Linus Torvalds [Tue, 4 Jul 2023 18:22:50 +0000 (11:22 -0700)]
Merge tag 'pm-6.5-rc1-2' of git://git./linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These add support for new hardware (ap807 and AM62A7), fix several
issues in cpufreq drivers and in the operating performance points
(OPP) framework, fix up intel_idle after recent changes and add
documentation.
Specifics:
- Add missing __init annotation to one function in the intel_idle
drvier (Rafael Wysocki)
- Make intel_pstate use a correct scaling factor when mapping HWP
performance levels to frequency values on hybrid-capable systems
with disabled E-cores (Srinivas Pandruvada)
- Fix Kconfig dependencies of the cpufreq-dt-platform driver (Viresh
Kumar)
- Add support to build cpufreq-dt-platdev as a module (Zhipeng Wang)
- Don't allocate Sparc's cpufreq_driver dynamically (Viresh Kumar)
- Add support for TI's AM62A7 platform (Vibhore Vardhan)
- Add support for Armada's ap807 platform (Russell King (Oracle))
- Add support for StarFive JH7110 SoC (Mason Huo)
- Fix voltage selection for Mediatek Socs (Daniel Golle)
- Fix error handling in Tegra's cpufreq driver (Christophe JAILLET)
- Document Qualcomm's IPQ8074 in DT bindings (Robert Marko)
- Don't warn for disabling a non-existing frequency for imx6q cpufreq
driver (Christoph Niedermaier)
- Use dev_err_probe() in Qualcomm's cpufreq driver (Andrew Halaney)
- Simplify performance state related logic in the OPP core (Viresh
Kumar)
- Fix use-after-free and improve locking around lazy_opp_tables
(Viresh Kumar, Stephan Gerhold)
- Minor cleanups - using dev_err_probe() and rate-limiting debug
messages (Andrew Halaney, Adrián Larumbe)"
* tag 'pm-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
cpufreq: intel_pstate: Fix scaling for hybrid-capable systems with disabled E-cores
cpufreq: Make CONFIG_CPUFREQ_DT_PLATDEV depend on OF
intel_idle: Add __init annotation to matchup_vm_state_with_baremetal()
OPP: Properly propagate error along when failing to get icc_path
OPP: Use dev_err_probe() when failing to get icc_path
cpufreq: qcom-cpufreq-hw: Use dev_err_probe() when failing to get icc paths
cpufreq: mediatek: correct voltages for MT7622 and MT7623
cpufreq: armada-8k: add ap807 support
OPP: Simplify the over-designed pstate <-> level dance
OPP: pstate is only valid for genpd OPP tables
OPP: don't drop performance constraint on OPP table removal
OPP: Protect `lazy_opp_tables` list with `opp_table_lock`
OPP: Staticize `lazy_opp_tables` in of.c
cpufreq: dt-platdev: Support building as module
opp: Fix use-after-free in lazy_opp_tables after probe deferral
dt-bindings: cpufreq: qcom-cpufreq-nvmem: document IPQ8074
cpufreq: dt-platdev: Blacklist ti,am62a7 SoC
cpufreq: ti-cpufreq: Add support for AM62A7
OPP: rate-limit debug messages when no change in OPP is required
cpufreq: imx6q: don't warn for disabling a non-existing frequency
...
Linus Torvalds [Tue, 4 Jul 2023 18:07:45 +0000 (11:07 -0700)]
Merge tag 'clk-for-linus' of git://git./linux/kernel/git/clk/linux
Pull more clk updates from Stephen Boyd:
"Another set of clk driver updates and fixes for the merge window. The
driver updates needed more time to bake in linux-next.
Updates:
- Support for more clk controllers in Qualcomm SoCs such as SM8350,
SM8450, SDX75, SC8280XP, and IPQ9574
- Runtime PM enablement of some more Qualcomm clk controllers
- Various fixes to Qualcomm clk driver data to use correct clk_ops
and to check halt bits properly
- AT91 updates to modernize with clk_parent_data structures
Fixes:
- Remove 'syscon' from dt binding fix for ti,j721e-system-controller
- Fix determine rate in the Tegra driver that got wrecked by the
refactorting of muxes this merge window"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (69 commits)
clk: tegra: Avoid calling an uninitialized function
dt-bindings: mfd: ti,j721e-system-controller: Remove syscon from example
clk: at91: sama7g5: s/ep_chg_chg_id/ep_chg_id
clk: at91: sama7g5: switch to parent_hw and parent_data
clk: at91: sckc: switch to parent_data/parent_hw
clk: at91: clk-sam9x60-pll: add support for parent_hw
clk: at91: clk-utmi: add support for parent_hw
clk: at91: clk-system: add support for parent_hw
clk: at91: clk-programmable: add support for parent_hw
clk: at91: clk-peripheral: add support for parent_hw
clk: at91: clk-master: add support for parent_hw
clk: at91: clk-generated: add support for parent_hw
clk: at91: clk-main: add support for parent_data/parent_hw
clk: qcom: gcc-sc8280xp: Add runtime PM
clk: qcom: gpucc-sc8280xp: Add runtime PM
clk: qcom: mmcc-msm8974: fix MDSS_GDSC power flags
clk: qcom: gpucc-sm6375: Enable runtime pm
dt-bindings: clock: sm6375-gpucc: Add VDD_GX
clk: qcom: gcc-sm6115: Add missing PLL config properties
clk: qcom: clk-alpha-pll: Add a way to update some bits of test_ctl(_hi)
...
Linus Torvalds [Tue, 4 Jul 2023 18:02:34 +0000 (11:02 -0700)]
Merge tag 'firewire-6.5-rc1' of git://git./linux/kernel/git/ieee1394/linux1394
Pull firewire updates from Takashi Sakamoto:
"This consist of three parts; UAPI update, OHCI driver update, and
several bug fixes.
Firstly, the 1394 OHCI specification defines method to retrieve
hardware time stamps for asynchronous communication, which was
previously unavailable in user space. This adds new events to the
UAPI, allowing applications to retrieve the time when asynchronous
packet are received and sent. The new events are tested in the
bleeding edge of libhinawa and look to work well. The new version of
libhinawa will be released after current merge window is closed:
https://git.kernel.org/pub/scm/libs/ieee1394/libhinawa.git/
Secondly, the FireWire stack includes a PCM device driver for 1394
OHCI hardware, This change modernizes the driver by managed resource
(devres) framework.
Lastly, bug fixes for firewire-net and firewire-core"
* tag 'firewire-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: (25 commits)
firewire: net: fix use after free in fwnet_finish_incoming_packet()
firewire: core: obsolete usage of GFP_ATOMIC at building node tree
firewire: ohci: release buffer for AR req/resp contexts when managed resource is released
firewire: ohci: use devres for content of configuration ROM
firewire: ohci: use devres for IT, IR, AT/receive, and AT/request contexts
firewire: ohci: use devres for list of isochronous contexts
firewire: ohci: use devres for requested IRQ
firewire: ohci: use devres for misc DMA buffer
firewire: ohci: use devres for MMIO region mapping
firewire: ohci: use devres for PCI-related resources
firewire: ohci: use devres for memory object of ohci structure
firewire: fix warnings to generate UAPI documentation
firewire: fix build failure due to missing module license
firewire: cdev: implement new event relevant to phy packet with time stamp
firewire: cdev: add new event to notify phy packet with time stamp
firewire: cdev: code refactoring to dispatch event for phy packet
firewire: cdev: implement new event to notify response subaction with time stamp
firewire: cdev: add new event to notify response subaction with time stamp
firewire: cdev: code refactoring to operate event of response
firewire: core: implement variations to send request and wait for response with time stamp
...
Linus Torvalds [Tue, 4 Jul 2023 13:37:32 +0000 (06:37 -0700)]
module: fix init_module_from_file() error handling
Vegard Nossum pointed out two different problems with the error handling
in init_module_from_file():
(a) the idempotent loading code didn't clean up properly in some error
cases, leaving the on-stack 'struct idempotent' element still in
the hash table
(b) failure to read the module file would nonsensically update the
'invalid_kread_bytes' stat counter with the error value
The first error is quite nasty, in that it can then cause subsequent
idempotent loads of that same file to access stale stack contents of the
previous failure. The case may not happen in any normal situation
(explaining all the "Tested-by's on the original change), and requires
admin privileges, but syzkaller triggers random bad behavior as a
result:
BUG: soft lockup in sys_finit_module
BUG: unable to handle kernel paging request in init_module_from_file
general protection fault in init_module_from_file
INFO: task hung in init_module_from_file
KASAN: out-of-bounds Read in init_module_from_file
KASAN: slab-out-of-bounds Read in init_module_from_file
...
The second error is fairly benign and just leads to nonsensical stats
(and has been around since the debug stats were added).
Vegard also provided a patch for the idempotent loading issue, but I'd
rather re-organize the code and make it more legible using another level
of helper functions than add the usual "goto out" error handling.
Link: https://lore.kernel.org/lkml/20230704100852.23452-1-vegard.nossum@oracle.com/
Fixes:
9b9879fc0327 ("modules: catch concurrent module loads, treat them as idempotent")
Reported-by: Vegard Nossum <vegard.nossum@oracle.com>
Reported-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Reported-by: syzbot+9c2bdc9d24e4a7abe741@syzkaller.appspotmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Rafael J. Wysocki [Tue, 4 Jul 2023 16:26:44 +0000 (18:26 +0200)]
Merge branches 'pm-cpufreq' and 'pm-cpuidle'
Merge CPU power management updates for 6.5-rc1:
- Add missing __init annotation to one function in the intel_idle
drvier (Rafael Wysocki).
- Make intel_pstate use a correct scaling factor when mapping HWP
performance levels to frequency values on hybrid-capable systems
with disabled E-cores (Srinivas Pandruvada).
- Fix Kconfig dependencies of the cpufreq-dt-platform driver (Viresh
Kumar).
- Add support to build cpufreq-dt-platdev as a module (Zhipeng Wang).
- Don't allocate Sparc's cpufreq_driver dynamically (Viresh Kumar).
- Add support for TI's AM62A7 platform (Vibhore Vardhan).
- Add support for Armada's ap807 platform (Russell King (Oracle)).
- Add support for StarFive JH7110 SoC (Mason Huo).
- Fix voltage selection for Mediatek Socs (Daniel Golle).
- Fix error handling in Tegra's cpufreq driver (Christophe JAILLET).
- Document Qualcomm's IPQ8074 in DT bindings (Robert Marko).
- Don't warn for disabling a non-existing frequency for imx6q cpufreq
driver (Christoph Niedermaier).
- Use dev_err_probe() in Qualcomm's cpufreq driver (Andrew Halaney).
* pm-cpufreq:
cpufreq: intel_pstate: Fix scaling for hybrid-capable systems with disabled E-cores
cpufreq: Make CONFIG_CPUFREQ_DT_PLATDEV depend on OF
cpufreq: qcom-cpufreq-hw: Use dev_err_probe() when failing to get icc paths
cpufreq: mediatek: correct voltages for MT7622 and MT7623
cpufreq: armada-8k: add ap807 support
cpufreq: dt-platdev: Support building as module
dt-bindings: cpufreq: qcom-cpufreq-nvmem: document IPQ8074
cpufreq: dt-platdev: Blacklist ti,am62a7 SoC
cpufreq: ti-cpufreq: Add support for AM62A7
cpufreq: imx6q: don't warn for disabling a non-existing frequency
cpufreq: sparc: Don't allocate cpufreq_driver dynamically
cpufreq: tegra194: Fix an error handling path in tegra194_cpufreq_probe()
cpufreq: dt-platdev: Add JH7110 SOC to the allowlist
* pm-cpuidle:
intel_idle: Add __init annotation to matchup_vm_state_with_baremetal()
Thierry Reding [Fri, 30 Jun 2023 13:07:48 +0000 (15:07 +0200)]
clk: tegra: Avoid calling an uninitialized function
Commit
493ffb046cf5 ("clk: tegra: super: Switch to determine_rate")
replaced clk_super_round_rate() by clk_super_determine_rate(), but
didn't update one callsite that was explicitly calling the old
tegra_clk_super_ops.round_rate() function, which was now NULL. This
resulted in a crash on Tegra30 systems during early boot.
Switch this callsite over to the clk_super_determine_rate() equivalent
to avoid the crash.
Fixes:
493ffb046cf5 ("clk: tegra: super: Switch to determine_rate")
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20230630130748.840729-1-thierry.reding@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Linus Torvalds [Tue, 4 Jul 2023 02:29:48 +0000 (19:29 -0700)]
mm: don't do validate_mm() unnecessarily and without mmap locking
This is an addition to commit
ae80b4041984 ("mm: validate the mm before
dropping the mmap lock"), because it turns out there were two problems,
but lockdep just stopped complaining after finding the first one.
The do_vmi_align_munmap() function now drops the mmap lock after doing
the validate_mm() call, but it turns out that one of the callers then
immediately calls validate_mm() again.
That's both a bit silly, and now (again) happens without the mmap lock
held.
So just remove that validate_mm() call from the caller, but make sure to
not lose any coverage by doing that mm sanity checking in the error path
of do_vmi_align_munmap() too.
Reported-and-tested-by: kernel test robot <oliver.sang@intel.com>
Link: https://lore.kernel.org/lkml/ZKN6CdkKyxBShPHi@xsang-OptiPlex-9020/
Fixes:
408579cd627a ("mm: Update do_vmi_align_munmap() return semantics")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
SeongJae Park [Tue, 4 Jul 2023 01:00:03 +0000 (01:00 +0000)]
arch/arm64/mm/fault: Fix undeclared variable error in do_page_fault()
Commit
ae870a68b5d1 ("arm64/mm: Convert to using
lock_mm_and_find_vma()") made do_page_fault() to use 'vma' even if
CONFIG_PER_VMA_LOCK is not defined, but the declaration is still in the
ifdef.
As a result, building kernel without the config fails with undeclared
variable error as below:
arch/arm64/mm/fault.c: In function 'do_page_fault':
arch/arm64/mm/fault.c:624:2: error: 'vma' undeclared (first use in this function); did you mean 'vmap'?
624 | vma = lock_mm_and_find_vma(mm, addr, regs);
| ^~~
| vmap
Fix it by moving the declaration out of the ifdef.
Fixes:
ae870a68b5d1 ("arm64/mm: Convert to using lock_mm_and_find_vma()")
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Tue, 4 Jul 2023 01:48:38 +0000 (18:48 -0700)]
Merge tag 'block-6.5-2023-07-03' of git://git.kernel.dk/linux
Pull more block updates from Jens Axboe:
"Mostly items that came in a bit late for the initial pull request,
wanted to make sure they had the appropriate amount of linux-next soak
before going upstream.
Outside of stragglers, just generic fixes for either merge window
items, or longer standing bugs"
* tag 'block-6.5-2023-07-03' of git://git.kernel.dk/linux: (25 commits)
md/raid0: add discard support for the 'original' layout
nvme: disable controller on reset state failure
nvme: sync timeout work on failed reset
nvme: ensure unquiesce on teardown
cdrom/gdrom: Fix build error
nvme: improved uring polling
block: add request polling helper
nvme-mpath: fix I/O failure with EAGAIN when failing over I/O
nvme: host: fix command name spelling
blk-sysfs: add a new attr_group for blk_mq
blk-iocost: move wbt_enable/disable_default() out of spinlock
blk-wbt: cleanup rwb_enabled() and wbt_disabled()
blk-wbt: remove dead code to handle wbt enable/disable with io inflight
blk-wbt: don't create wbt sysfs entry if CONFIG_BLK_WBT is disabled
blk-mq: fix two misuses on RQF_USE_SCHED
blk-throttle: Fix io statistics for cgroup v1
bcache: Fix bcache device claiming
bcache: Alloc holder object before async registration
raid10: avoid spin_lock from fastpath from raid10_unplug()
md: fix 'delete_mutex' deadlock
...
Linus Torvalds [Tue, 4 Jul 2023 01:43:10 +0000 (18:43 -0700)]
Merge tag 'io_uring-6.5-2023-07-03' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"The fix for the msghdr->msg_inq assigned value being wrong, using -1
instead of -1U for the signed type.
Also a fix for ensuring when we're trying to run task_work on an
exiting task, that we wait for it. This is not really a correctness
thing as the work is being canceled, but it does help with ensuring
file descriptors are closed when the task has exited."
* tag 'io_uring-6.5-2023-07-03' of git://git.kernel.dk/linux:
io_uring: flush offloaded and delayed task_work on exit
io_uring: remove io_fallback_tw() forward declaration
io_uring/net: use proper value for msg_inq
Linus Torvalds [Tue, 4 Jul 2023 00:31:36 +0000 (17:31 -0700)]
Merge tag 'hsi-for-6.5' of git://git./linux/kernel/git/sre/linux-hsi
Pull HSI updates from Sebastian Reichel:
- fix build warning with W=1
- drop error handling for debugfs
* tag 'hsi-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
HSI: omap_ssi_port: Drop error checking for debugfs_create_dir
HSI: fix ssi_waketest() declaration
Linus Torvalds [Tue, 4 Jul 2023 00:23:16 +0000 (17:23 -0700)]
Merge tag 'for-v6.5' of git://git./linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- Add new Qualcomm PMI8998/PM660 SMB2 charger
- bq256xx: support systems without thermistors
- cros_pchg: fix peripheral device status after system resume
- axp20x_usb_power: add support for AXP192
- qcom-pon: add support for pm8941
- at91-reset: prepare to expose reset reason to sysfs
- switch all I2C drivers back to use .probe instead of .probe_new
- convert some more DT bindings to YAML
- misc cleanups
* tag 'for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (28 commits)
MAINTAINERS: add documentation file for Microchip SAMA5D2 shutdown controller
dt-bindings: power: reset: atmel,sama5d2-shdwc: convert to yaml
dt-bindings: power: reset: atmel,at91sam9260-shdwc: convert to yaml
power: reset: at91-reset: change the power on reason prototype
power: reset: qcom-pon: add support for pm8941-pon
dt-bindings: power: reset: qcom-pon: define pm8941-pon
power: supply: add Qualcomm PMI8998 SMB2 Charger driver
dt-bindings: power: supply: qcom,pmi8998-charger: add bindings for smb2 driver
power: supply: rt9467: Make charger-enable control as logic level
power: supply: Switch i2c drivers back to use .probe()
power: reset: add HAS_IOPORT dependencies
dt-bindings: power: supply: axp20x: Add AXP192 compatible
power: supply: axp20x_usb_power: Add support for AXP192
power: supply: axp20x_usb_power: Remove variant IDs from VBUS polling check
power: supply: axp20x_usb_power: Use regmap field for VBUS disabling
power: supply: axp20x_usb_power: Use regmap fields for USB BC feature
power: supply: axp20x_usb_power: Use regmap fields for VBUS monitor feature
power: supply: axp20x_usb_power: Simplify USB current limit handling
power: supply: hwmon: constify pointers to hwmon_channel_info
power: supply: twl4030_madc_battery: Refactor twl4030_madc_bat_ext_changed()
...
Linus Torvalds [Tue, 4 Jul 2023 00:03:05 +0000 (17:03 -0700)]
Merge tag 'rproc-v6.5' of git://git./linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"The bulk of these patches relates to the moving to a void-returning
remove callback.
The i.MX HiFi remoteproc driver gets its pm_ops helpers updated to
resolve build warnings about 'defined but not used' variables in
certain configurations.
The ST STM32 remoteproc driver is extended to allow using a SCMI reset
controller to hold boot, and has an error message corrected.
The Qualcomm Q6V5 PAS driver gains a missing 'static' qualifier on
adsp_segment_dump()"
* tag 'rproc-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (23 commits)
remoteproc: qcom_q6v5_pas: staticize adsp_segment_dump()
remoteproc: stm32: Fix error code in stm32_rproc_parse_dt()
remoteproc: stm32: Allow hold boot management by the SCMI reset controller
dt-bindings: remoteproc: st,stm32-rproc: Rework reset declarations
remoteproc: imx_dsp_rproc: use modern pm_ops
remoteproc: wkup_m3: Convert to platform remove callback returning void
remoteproc: stm32: Convert to platform remove callback returning void
remoteproc: st: Convert to platform remove callback returning void
remoteproc: virtio: Convert to platform remove callback returning void
remoteproc: rcar: Convert to platform remove callback returning void
remoteproc: qcom_wcnss: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_wcss: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_pas: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_mss: Convert to platform remove callback returning void
remoteproc: qcom_q6v5_adsp: Convert to platform remove callback returning void
remoteproc: pru: Convert to platform remove callback returning void
remoteproc: omap: Convert to platform remove callback returning void
remoteproc: mtk_scp: Convert to platform remove callback returning void
remoteproc: meson_mx_ao_arc: Convert to platform remove callback returning void
remoteproc: keystone: Convert to platform remove callback returning void
...
Linus Torvalds [Mon, 3 Jul 2023 23:59:51 +0000 (16:59 -0700)]
Merge tag 'hwlock-v6.5' of git://git./linux/kernel/git/remoteproc/linux
Pull hwspinlock update from Bjorn Andersson:
"This drops the last of_match_ptr() from the hwspinlock drivers,
solving the resulting 'defined but not used' warning/error"
* tag 'hwlock-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
hwspinlock: omap: drop of_match_ptr for ID table
Arnd Bergmann [Mon, 3 Jul 2023 11:30:06 +0000 (13:30 +0200)]
rdma: fix INFINIBAND_USER_ACCESS dependency
After a change to the bnxt_re driver, it fails to link when
CONFIG_INFINIBAND_USER_ACCESS is disabled:
aarch64-linux-ld: drivers/infiniband/hw/bnxt_re/ib_verbs.o: in function `bnxt_re_handler_BNXT_RE_METHOD_ALLOC_PAGE':
ib_verbs.c:(.text+0xd64): undefined reference to `ib_uverbs_get_ucontext_file'
aarch64-linux-ld: drivers/infiniband/hw/bnxt_re/ib_verbs.o:(.rodata+0x168): undefined reference to `uverbs_idr_class'
aarch64-linux-ld: drivers/infiniband/hw/bnxt_re/ib_verbs.o:(.rodata+0x1a8): undefined reference to `uverbs_destroy_def_handler'
The problem is that the 'bnxt_re_uapi_defs' structure is built
unconditionally and references a couple of functions that are never
really called in this configuration but instead require other functions
that are left out.
Adding an #ifdef around the new code, or a Kconfig dependency would
address this problem, but adding the compile-time check inside of the
UAPI_DEF_CHAIN_OBJ_TREE_NAMED() macro seems best because that also
addresses the problem in other drivers that may run into the same
dependency.
Fixes:
360da60d6c6ed ("RDMA/bnxt_re: Enable low latency push")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Mon, 3 Jul 2023 22:38:26 +0000 (15:38 -0700)]
Merge tag 'for_linus' of git://git./linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
- resume support in vdpa/solidrun
- structure size optimizations in virtio_pci
- new pds_vdpa driver
- immediate initialization mechanism for vdpa/ifcvf
- interrupt bypass for vdpa/mlx5
- multiple worker support for vhost
- viirtio net in Intel F2000X-PL support for vdpa/ifcvf
- fixes, cleanups all over the place
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (48 commits)
vhost: Make parameter name match of vhost_get_vq_desc()
vduse: fix NULL pointer dereference
vhost: Allow worker switching while work is queueing
vhost_scsi: add support for worker ioctls
vhost: allow userspace to create workers
vhost: replace single worker pointer with xarray
vhost: add helper to parse userspace vring state/file
vhost: remove vhost_work_queue
vhost_scsi: flush IO vqs then send TMF rsp
vhost_scsi: convert to vhost_vq_work_queue
vhost_scsi: make SCSI cmd completion per vq
vhost_sock: convert to vhost_vq_work_queue
vhost: convert poll work to be vq based
vhost: take worker or vq for flushing
vhost: take worker or vq instead of dev for queueing
vhost, vhost_net: add helper to check if vq has work
vhost: add vhost_worker pointer to vhost_virtqueue
vhost: dynamically allocate vhost_worker
vhost: create worker at end of vhost_dev_set_owner
virtio_bt: call scheduler when we free unused buffs
...
Linus Torvalds [Mon, 3 Jul 2023 22:32:22 +0000 (15:32 -0700)]
Merge tag 'for-linus' of git://git./virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"ARM64:
- Eager page splitting optimization for dirty logging, optionally
allowing for a VM to avoid the cost of hugepage splitting in the
stage-2 fault path.
- Arm FF-A proxy for pKVM, allowing a pKVM host to safely interact
with services that live in the Secure world. pKVM intervenes on
FF-A calls to guarantee the host doesn't misuse memory donated to
the hyp or a pKVM guest.
- Support for running the split hypervisor with VHE enabled, known as
'hVHE' mode. This is extremely useful for testing the split
hypervisor on VHE-only systems, and paves the way for new use cases
that depend on having two TTBRs available at EL2.
- Generalized framework for configurable ID registers from userspace.
KVM/arm64 currently prevents arbitrary CPU feature set
configuration from userspace, but the intent is to relax this
limitation and allow userspace to select a feature set consistent
with the CPU.
- Enable the use of Branch Target Identification (FEAT_BTI) in the
hypervisor.
- Use a separate set of pointer authentication keys for the
hypervisor when running in protected mode, as the host is untrusted
at runtime.
- Ensure timer IRQs are consistently released in the init failure
paths.
- Avoid trapping CTR_EL0 on systems with Enhanced Virtualization
Traps (FEAT_EVT), as it is a register commonly read from userspace.
- Erratum workaround for the upcoming AmpereOne part, which has
broken hardware A/D state management.
RISC-V:
- Redirect AMO load/store misaligned traps to KVM guest
- Trap-n-emulate AIA in-kernel irqchip for KVM guest
- Svnapot support for KVM Guest
s390:
- New uvdevice secret API
- CMM selftest and fixes
- fix racy access to target CPU for diag 9c
x86:
- Fix missing/incorrect #GP checks on ENCLS
- Use standard mmu_notifier hooks for handling APIC access page
- Drop now unnecessary TR/TSS load after VM-Exit on AMD
- Print more descriptive information about the status of SEV and
SEV-ES during module load
- Add a test for splitting and reconstituting hugepages during and
after dirty logging
- Add support for CPU pinning in demand paging test
- Add support for AMD PerfMonV2, with a variety of cleanups and minor
fixes included along the way
- Add a "nx_huge_pages=never" option to effectively avoid creating NX
hugepage recovery threads (because nx_huge_pages=off can be toggled
at runtime)
- Move handling of PAT out of MTRR code and dedup SVM+VMX code
- Fix output of PIC poll command emulation when there's an interrupt
- Add a maintainer's handbook to document KVM x86 processes,
preferred coding style, testing expectations, etc.
- Misc cleanups, fixes and comments
Generic:
- Miscellaneous bugfixes and cleanups
Selftests:
- Generate dependency files so that partial rebuilds work as
expected"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (153 commits)
Documentation/process: Add a maintainer handbook for KVM x86
Documentation/process: Add a label for the tip tree handbook's coding style
KVM: arm64: Fix misuse of KVM_ARM_VCPU_POWER_OFF bit index
RISC-V: KVM: Remove unneeded semicolon
RISC-V: KVM: Allow Svnapot extension for Guest/VM
riscv: kvm: define vcpu_sbi_ext_pmu in header
RISC-V: KVM: Expose IMSIC registers as attributes of AIA irqchip
RISC-V: KVM: Add in-kernel virtualization of AIA IMSIC
RISC-V: KVM: Expose APLIC registers as attributes of AIA irqchip
RISC-V: KVM: Add in-kernel emulation of AIA APLIC
RISC-V: KVM: Implement device interface for AIA irqchip
RISC-V: KVM: Skeletal in-kernel AIA irqchip support
RISC-V: KVM: Set kvm_riscv_aia_nr_hgei to zero
RISC-V: KVM: Add APLIC related defines
RISC-V: KVM: Add IMSIC related defines
RISC-V: KVM: Implement guest external interrupt line management
KVM: x86: Remove PRIx* definitions as they are solely for user space
s390/uv: Update query for secret-UVCs
s390/uv: replace scnprintf with sysfs_emit
s390/uvdevice: Add 'Lock Secret Store' UVC
...
Linus Torvalds [Mon, 3 Jul 2023 22:19:56 +0000 (15:19 -0700)]
Merge tag 'kgdb-6.5-rc1' of git://git./linux/kernel/git/danielt/linux
Pull kgdb updates from Daniel Thompson:
"Fairly small changes this cycle:
- An additional static inline function when kgdb is not enabled to
reduce boilerplate in arch files
- kdb will now handle input with linefeeds more like carriage return.
This will make little difference for interactive use but can make
it script to use expect-like interaction with kdb
- A couple of warning fixes"
* tag 'kgdb-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kdb: move kdb_send_sig() declaration to a better header file
kdb: Handle LF in the command parser
kdb: include kdb_private.h for function prototypes
kgdb: Provide a stub kgdb_nmicallback() if !CONFIG_KGDB
Linus Torvalds [Mon, 3 Jul 2023 20:23:10 +0000 (13:23 -0700)]
Merge tag 'usb-6.5-rc1' of git://git./linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt driver updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver updates for 6.5-rc1.
Included in here are:
- Lots of USB4/Thunderbolt additions and updates for new hardware
types and fixes as people are starting to get access to the
hardware in the wild
- new gadget controller driver, cdns2, added
- new typec drivers added
- xhci driver updates
- typec driver updates
- usbip driver fixes
- usb-serial driver updates and fixes
- lots of smaller USB driver updates
All of these have been in linux-next for a while with no reported
problems"
* tag 'usb-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (265 commits)
usb: host: xhci-plat: Set XHCI_STATE_REMOVING before resuming XHCI HC
usb: host: xhci: Do not re-initialize the XHCI HC if being removed
usb: typec: nb7vpq904m: fix CONFIG_DRM dependency
usbip: usbip_host: Replace strlcpy with strscpy
usb: dwc3: gadget: Propagate core init errors to UDC during pullup
USB: serial: option: add LARA-R6 01B PIDs
usb: ulpi: Make container_of() no-op in to_ulpi_dev()
usb: gadget: legacy: fix error return code in gfs_bind
usb: typec: fsa4480: add support for Audio Accessory Mode
usb: typec: fsa4480: rework mux & switch setup to handle more states
usb: typec: ucsi: call typec_set_mode on non-altmode partner change
USB: gadget: f_hid: make hidg_class a static const structure
USB: gadget: f_printer: make usb_gadget_class a static const structure
USB: mon: make mon_bin_class a static const structure
USB: gadget: udc: core: make udc_class a static const structure
USB: roles: make role_class a static const structure
dt-bindings: usb: dwc3: Add interrupt-names property support for wakeup interrupt
dt-bindings: usb: Add StarFive JH7110 USB controller
dt-bindings: usb: dwc3: Add IPQ9574 compatible
usb: cdns2: Fix spelling mistake in a trace message "Wakupe" -> "Wakeup"
...
Linus Torvalds [Mon, 3 Jul 2023 20:14:58 +0000 (13:14 -0700)]
Merge tag 'tty-6.5-rc1' of git://git./linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big set of tty/serial driver updates for 6.5-rc1.
Included in here are:
- tty_audit code cleanups from Jiri
- more 8250 cleanups from Ilpo
- samsung_tty driver bugfixes
- 8250 lock port updates
- usual fsl_lpuart driver updates and fixes
- other small serial driver fixes and updates, full details in the
shortlog
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (58 commits)
tty_audit: make data of tty_audit_log() const
tty_audit: make tty pointers in exposed functions const
tty_audit: make icanon a bool
tty_audit: invert the condition in tty_audit_log()
tty_audit: use kzalloc() in tty_audit_buf_alloc()
tty_audit: use TASK_COMM_LEN for task comm
Revert "8250: add support for ASIX devices with a FIFO bug"
serial: atmel: don't enable IRQs prematurely
tty: serial: Add Nuvoton ma35d1 serial driver support
tty: serial: fsl_lpuart: add earlycon for imx8ulp platform
tty: serial: imx: fix rs485 rx after tx
selftests: tty: add selftest for tty timestamp updates
tty: tty_io: update timestamps on all device nodes
tty: fix hang on tty device with no_room set
serial: core: fix -EPROBE_DEFER handling in init
serial: 8250_omap: Use force_suspend and resume for system suspend
tty: serial: samsung_tty: Use abs() to simplify some code
tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() when iterating clk
tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error
serial: 8250: Apply FSL workarounds also without SERIAL_8250_CONSOLE
...
Linus Torvalds [Mon, 3 Jul 2023 20:07:13 +0000 (13:07 -0700)]
Merge tag 'staging-6.5-rc1' of git://git./linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is a set of staging driver updates for 6.5-rc1. It's a small
update this merge window, nothing major at all, overall just under
1000 lines of code removed, not a huge churn.
Nothing major to highlight here either, just lots of small coding
style fixes.
All of these have been in linux-next for a while with no reported
problems"
* tag 'staging-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (62 commits)
staging: rtl8192e: Remove whitespace and blank lines
staging: rtl8192e: remove 5G related code
staging: rtl8192e: remove comparison to true
staging: rtl8192e: remove return statement from void function
staging: rtl8192e: convert else if sequence to switch
staging: rtl8192e: clean up brace coding style issues
staging: rtl8723bs: Fix blank line issues
staging: rtl8723bs: Fix block comment issue
staging: rtl8723bs: Fix indentation issues
staging: vchiq_arm: Remove extra struct vchiq_instance declaration
staging: rtl8192e: Rename variable InitialGainHandler
staging: rtl8192e: Rename variable LeisurePSLeave
staging: rtl8192e: Rename variable SetBWModeHandler
staging: rtl8192e: Rename variable SetWirelessMode
staging: rtl8192e: Rename RTLLIB_LINKED_SCANNING
staging: rtl8192e: Rename RTLLIB_LINKED to MAC80211_LINKED
staging: rtl8192e: Rename RTLLIB_NOLINK to MAC80211_NOLINK
staging: rtl8192e: Rename state to link_state
staging: rtl8192e: Rename rtllib_state to rtl_link_state
staging: rtl8192e: Remove unused enum led_ctl_mode
...
Linus Torvalds [Mon, 3 Jul 2023 19:56:23 +0000 (12:56 -0700)]
Merge tag 'driver-core-6.5-rc1' of git://git./linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here are a small set of changes for 6.5-rc1 for some driver core
changes. Included in here are:
- device property cleanups to make it easier to write "agnostic"
drivers when regards to the firmware layer underneath them (DT vs.
ACPI)
- debugfs documentation updates
- devres additions
- sysfs documentation and changes to handle empty directory creation
logic better
- tiny kernfs optimizations
- other tiny changes
All of these have been in linux-next for a while with no reported
problems"
* tag 'driver-core-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
sysfs: Skip empty folders creation
sysfs: Improve readability by following the kernel coding style
drivers: fwnode: fix fwnode_irq_get[_byname]()
ata: ahci_platform: Make code agnostic to OF/ACPI
device property: Implement device_is_compatible()
ACPI: Move ACPI_DEVICE_CLASS() to mod_devicetable.h
base/node: Use 'property' to identify an access parameter
driver core: device.h: add some missing kerneldocs
kernfs: fix missing kernfs_idr_lock to remove an ID from the IDR
isa: Remove unnecessary checks
MAINTAINERS: add entry for auxiliary bus
debugfs: Correct the 'debugfs_create_str' docs
serial: qcom_geni: Comment use of devm_krealloc rather than devm_krealloc_array
iio: adc: Use devm_krealloc_array
hwmon: pmbus: Use devm_krealloc_array
Linus Torvalds [Mon, 3 Jul 2023 19:46:47 +0000 (12:46 -0700)]
Merge tag 'char-misc-6.5-rc1' of git://git./linux/kernel/git/gregkh/char-misc
Pull Char/Misc updates from Greg KH:
"Here is the big set of char/misc and other driver subsystem updates
for 6.5-rc1.
Lots of different, tiny, stuff in here, from a range of smaller driver
subsystems, including pulls from some substems directly:
- IIO driver updates and additions
- W1 driver updates and fixes (and a new maintainer!)
- FPGA driver updates and fixes
- Counter driver updates
- Extcon driver updates
- Interconnect driver updates
- Coresight driver updates
- mfd tree tag merge needed for other updates on top of that, lots of
small driver updates as patches, including:
- static const updates for class structures
- nvmem driver updates
- pcmcia driver fix
- lots of other small driver updates and fixes
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (243 commits)
bsr: fix build problem with bsr_class static cleanup
comedi: make all 'class' structures const
char: xillybus: make xillybus_class a static const structure
xilinx_hwicap: make icap_class a static const structure
virtio_console: make port class a static const structure
ppdev: make ppdev_class a static const structure
char: misc: make misc_class a static const structure
/dev/mem: make mem_class a static const structure
char: lp: make lp_class a static const structure
dsp56k: make dsp56k_class a static const structure
bsr: make bsr_class a static const structure
oradax: make 'cl' a static const structure
hwtracing: hisi_ptt: Fix potential sleep in atomic context
hwtracing: hisi_ptt: Advertise PERF_PMU_CAP_NO_EXCLUDE for PTT PMU
hwtracing: hisi_ptt: Export available filters through sysfs
hwtracing: hisi_ptt: Add support for dynamically updating the filter list
hwtracing: hisi_ptt: Factor out filter allocation and release operation
samples: pfsm: add CC_CAN_LINK dependency
misc: fastrpc: check return value of devm_kasprintf()
coresight: dummy: Update type of mode parameter in dummy_{sink,source}_enable()
...
Linus Torvalds [Mon, 3 Jul 2023 18:31:01 +0000 (11:31 -0700)]
Merge tag 'backlight-next-6.5' of git://git./linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"New Functionality:
- Add lots of Device Tree bindings / support
- Turn off LED strings when display is blank
- Switch I2C drivers from .probe_new() to .probe()
- Remove superfluous NULL checks
- Only obtain PWM information once and do it in .probe()
Fix-ups:
- Ensure locks are obtained and held when required"
* tag 'backlight-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: led_bl: Take led_access lock when required
video: backlight: lp855x: Get PWM for PWM mode during probe
dt-bindings: backlight: lp855x: Convert to YAML and modernize
dt-bindings: backlight: pwm: Make power-supply not required
backlight: pwm_bl: Remove unneeded checks for valid GPIOs
backlight: Switch i2c drivers back to use .probe()
backlight: lm3630a: Turn off both led strings when display is blank
dt-bindings: leds: backlight: ktz8866: Add reg property and update example
Linus Torvalds [Mon, 3 Jul 2023 18:26:05 +0000 (11:26 -0700)]
Merge tag 'leds-next-6.5' of git://git./linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
"New Drivers:
- Add support for Intel Cherry Trail Whiskey Cove PMIC LEDs
- Add support for Awinic AW20036/AW20054/AW20072 LEDs
New Device Support:
- Add support for PMI632 LPG to QCom LPG
- Add support for PMI8998 to QCom Flash
- Add support for MT6331, WLEDs and MT6332 to Mediatek MT6323 PMIC
New Functionality:
- Implement the LP55xx Charge Pump
- Add support for suspend / resume to Intel Cherry Trail Whiskey Cove PMIC
- Add support for breathing mode to Intel Cherry Trail Whiskey Cove PMIC
- Enable per-pin resolution Pinctrl in LEDs GPIO
Fix-ups:
- Allow thread to sleep by switching from spinlock to mutex
- Add lots of Device Tree bindings / support
- Adapt relationships / dependencies driven by Kconfig
- Switch I2C drivers from .probe_new() to .probe()
- Remove superfluous / duplicate code
- Replace strlcpy() with strscpy() for efficiency and overflow prevention
- Staticify various functions
- Trivial: Fixing coding style
- Simplify / reduce code
Bug Fixes:
- Prevent NETDEV_LED_MODE_LINKUP from being cleared on rename
- Repair race between led_set_brightness(LED_{OFF,FULL})
- Fix Oops relating to sleeping in critical sections
- Clear LED_INIT_DEFAULT_TRIGGER flag when clearing the current trigger
- Do not leak resources in error handling paths
- Fix unsigned comparison which can never be negative
- Provide missing NULL terminating entries in tables
- Fix misnaming issues"
* tag 'leds-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (53 commits)
leds: leds-mt6323: Adjust return/parameter types in wled get/set callbacks
leds: sgm3140: Add richtek,rt5033-led compatible
dt-bindings: leds: sgm3140: Document richtek,rt5033 compatible
dt-bindings: backlight: kinetic,ktz8866: Add missing type for "current-num-sinks"
dt-bindings: leds: Drop unneeded quotes
leds: Fix config reference for AW200xx driver
leds: leds-mt6323: Add support for WLEDs and MT6332
leds: leds-mt6323: Add support for MT6331 leds
leds: leds-mt6323: Open code and drop MT6323_CAL_HW_DUTY macro
leds: leds-mt6323: Drop MT6323_ prefix from macros and defines
leds: leds-mt6323: Specify registers and specs in platform data
dt-bindings: leds: leds-mt6323: Document mt6332 compatible
dt-bindings: leds: leds-mt6323: Document mt6331 compatible
leds: simatic-ipc-leds-gpio: Introduce more Kconfig switches
leds: simatic-ipc-leds-gpio: Split up into multiple drivers
leds: simatic-ipc-leds-gpio: Move two extra gpio pins into another table
leds: simatic-ipc-leds-gpio: Add terminating entries to gpio tables
leds: flash: leds-qcom-flash: Fix an unsigned comparison which can never be negative
leds: cht-wcove: Remove unneeded semicolon
leds: cht-wcove: Fix an unsigned comparison which can never be negative
...
Linus Torvalds [Mon, 3 Jul 2023 17:55:04 +0000 (10:55 -0700)]
Merge tag 'mfd-next-6.5' of git://git./linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add support for TI TPS6594/TPS6593/LP8764 PMICs
- Add support for Samsung RT5033 Battery Charger
- Add support for Analog Devices MAX77540 and MAX77541 PMICs
New Device Support:
- Add support for SPI to Rockchip RK808 (and friends)
- Add support for AXP192 PMIC to X-Powers AXP20X
- Add support for AXP313a PMIC to X-Powers AXP20X
- Add support for RK806 to Rockchip RK8XX
Removed Device Support:
- Removed MFD support for Richtek RT5033 Battery
Fix-ups:
- Remove superfluous code
- Switch I2C drivers from .probe_new() to .probe()
- Convert over to managed resources (devm_*(), etc)
- Use dev_err_probe() for returning errors from .probe()
- Add lots of Device Tree bindings / support
- Improve cache efficiency by switching to Maple
- Use own exported namespaces (NS)
- Include missing and remove superfluous headers
- Start using / convert to the new shutdown sys-off API
- Trivial: variable / define renaming
- Make use of of_property_read_reg() when requesting DT 'reg's
Bug Fixes:
- Fix chip revision readout due to incorrect data masking
- Amend incorrect register and mask values used for charger state
- Hide unused functionality at compile time
- Fix resource leaks following error handling routines
- Return correct error values and fix error handling in general
- Repair incorrect device names - used for device matching
- Remedy broken module auto-loading"
* tag 'mfd-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (51 commits)
dt-bindings: mfd: max77541: Add ADI MAX77541/MAX77540
iio: adc: max77541: Add ADI MAX77541 ADC Support
regulator: max77541: Add ADI MAX77541/MAX77540 Regulator Support
dt-bindings: regulator: max77541: Add ADI MAX77541/MAX77540 Regulator
mfd: Switch two more drivers back to use struct i2c_driver::probe
dt-bindings: mfd: samsung,s5m8767: Simplify excluding properties
mfd: stmpe: Only disable the regulators if they are enabled
mfd: max77541: Add ADI MAX77541/MAX77540 PMIC Support
dt-bindings: mfd: gateworks-gsc: Remove unnecessary fan-controller nodes
mfd: core: Use of_property_read_reg() to parse "reg"
mfd: stmfx: Nullify stmfx->vdd in case of error
mfd: stmfx: Fix error path in stmfx_chip_init
mfd: intel-lpss: Add missing check for platform_get_resource
mfd: stpmic1: Add PMIC poweroff via sys-off handler
mfd: stpmic1: Fixup main control register and bits naming
dt-bindings: mfd: qcom,tcsr: Add the compatible for IPQ8074
mfd: tps65219: Add support for soft shutdown via sys-off API
mfd: pm8008: Drop bogus i2c module alias
mfd: pm8008: Fix module autoloading
mfd: tps65219: Add GPIO cell instance
...
Linus Torvalds [Mon, 3 Jul 2023 17:47:21 +0000 (10:47 -0700)]
Merge tag 'mailbox-v6.5' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
- tegra: support for Tegra264
- broadcom: convert bcm2835 bindings from txt to yaml bcm2835
- qcom: support for IPQ5018
- ti: always zero TX data fields
* tag 'mailbox-v6.5' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: ti-msgmgr: Fill non-message tx data fields with 0x0
mailbox: tegra: add support for Tegra264
dt-bindings: mailbox: tegra: Document Tegra264 HSP
dt-bindings: mailbox: convert bcm2835-mbox bindings to YAML
dt-bindings: mailbox: qcom: Add IPQ5018 APCS compatible
Linus Torvalds [Mon, 3 Jul 2023 17:43:10 +0000 (10:43 -0700)]
Merge tag 'rtc-6.5' of git://git./linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"The isl1208 dirver was reworked tobe able to work as part of an MFD.
All the Loongson chips are now supported through a new driver, the old
one is removed.
Summary:
Subsystem:
- Switch i2c drivers back to use .probe()
- Constify pointers to hwmon_channel_info
New driver:
- Loongson on chip RTC, replacing the Loongson 1 only driver
Drivers:
- isl1208: cleanup and support for RAA215300
- st-lpc: cleanups
- stm32: fix wakeup"
* tag 'rtc-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (21 commits)
rtc: Add rtc driver for the Loongson family chips
rtc: Remove the Loongson-1 RTC driver
dt-bindings: rtc: Split loongson,ls2x-rtc into SoC-based compatibles
rtc: rv3028: make rv3028 probeable from userspace
rtc: isl1208: Add support for the built-in RTC on the PMIC RAA215300
rtc: isl1208: Add isl1208_set_xtoscb()
rtc: isl1208: Drop enum isl1208_id and split isl1208_configs[]
rtc: isl1208: Make similar I2C and DT-based matching table
rtc: isl1208: Drop name variable
dt-bindings: rtc: isil,isl1208: Document clock and clock-names properties
dt-bindings: rtc: isl1208: Convert to json-schema
rtc: st-lpc: Simplify clk handling in st_rtc_probe()
rtc: st-lpc: Release some resources in st_rtc_probe() in case of error
rtc: stm32: remove dedicated wakeup management
dt-bindings: rtc: restrict node name suffixes
rtc: add HAS_IOPORT dependencies
rtc: Switch i2c drivers back to use .probe()
rtc: rv3032: constify pointers to hwmon_channel_info
rtc: isl12022: constify pointers to hwmon_channel_info
rtc: ds3232: constify pointers to hwmon_channel_info
...
Linus Torvalds [Mon, 3 Jul 2023 17:33:23 +0000 (10:33 -0700)]
Merge tag 'i3c/for-6.5' of git://git./linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
- svc: fix suspend/resume on some platforms, fix locking issues
* tag 'i3c/for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: svc: add NACK check after start byte sent
i3c: master: svc: fix cpu schedule in spin lock
i3c: master: svc: fix i3c suspend/resume issue
Linus Torvalds [Mon, 3 Jul 2023 17:08:50 +0000 (10:08 -0700)]
mm: validate the mm before dropping the mmap lock
Commit
408579cd627a ("mm: Update do_vmi_align_munmap() return
semantics") made the return value and locking semantics of
do_vmi_align_munmap() more straightforward, but in the process it ended
up unlocking the mmap lock just a tad too early: the debug code doing
the mmap layout validation still needs to run with the lock held, or
things might change under it while it's trying to validate things.
So just move the unlocking to after the validate_mm() call.
Reported-by: kernel test robot <oliver.sang@intel.com>
Link: https://lore.kernel.org/lkml/ZKIsoMOT71uwCIZX@xsang-OptiPlex-9020/
Fixes:
408579cd627a ("mm: Update do_vmi_align_munmap() return semantics")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Mon, 3 Jul 2023 06:20:17 +0000 (23:20 -0700)]
execve: always mark stack as growing down during early stack setup
While our user stacks can grow either down (all common architectures) or
up (parisc and the ia64 register stack), the initial stack setup when we
copy the argument and environment strings to the new stack at execve()
time is always done by extending the stack downwards.
But it turns out that in commit
8d7071af8907 ("mm: always expand the
stack with the mmap write lock held"), as part of making the stack
growing code more robust, 'expand_downwards()' was now made to actually
check the vma flags:
if (!(vma->vm_flags & VM_GROWSDOWN))
return -EFAULT;
and that meant that this execve-time stack expansion started failing on
parisc, because on that architecture, the stack flags do not contain the
VM_GROWSDOWN bit.
At the same time the new check in expand_downwards() is clearly correct,
and simplified the callers, so let's not remove it.
The solution is instead to just codify the fact that yes, during
execve(), the stack grows down. This not only matches reality, it ends
up being particularly simple: we already have special execve-time flags
for the stack (VM_STACK_INCOMPLETE_SETUP) and use those flags to avoid
page migration during this setup time (see vma_is_temporary_stack() and
invalid_migration_vma()).
So just add VM_GROWSDOWN to that set of temporary flags, and now our
stack flags automatically match reality, and the parisc stack expansion
works again.
Note that the VM_STACK_INCOMPLETE_SETUP bits will be cleared when the
stack is finalized, so we only add the extra VM_GROWSDOWN bit on
CONFIG_STACK_GROWSUP architectures (ie parisc) rather than adding it in
general.
Link: https://lore.kernel.org/all/612eaa53-6904-6e16-67fc-394f4faa0e16@bell.net/
Link: https://lore.kernel.org/all/5fd98a09-4792-1433-752d-029ae3545168@gmx.de/
Fixes:
8d7071af8907 ("mm: always expand the stack with the mmap write lock held")
Reported-by: John David Anglin <dave.anglin@bell.net>
Reported-and-tested-by: Helge Deller <deller@gmx.de>
Reported-and-tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Xianting Tian [Wed, 21 Jun 2023 09:38:35 +0000 (17:38 +0800)]
vhost: Make parameter name match of vhost_get_vq_desc()
The parameter name in the function declaration and definition
should be the same.
drivers/vhost/vhost.h,
int vhost_get_vq_desc(..., unsigned int iov_count,...);
drivers/vhost/vhost.c,
int vhost_get_vq_desc(..., unsigned int iov_size,...)
Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
Message-Id: <
20230621093835.36878-1-xianting.tian@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Maxime Coquelin [Thu, 22 Jun 2023 20:48:51 +0000 (22:48 +0200)]
vduse: fix NULL pointer dereference
vduse_vdpa_set_vq_affinity callback can be called
with NULL value as cpu_mask when deleting the vduse
device.
This patch resets virtqueue's IRQ affinity mask value
to set all CPUs instead of dereferencing NULL cpu_mask.
[ 4760.952149] BUG: kernel NULL pointer dereference, address:
0000000000000000
[ 4760.959110] #PF: supervisor read access in kernel mode
[ 4760.964247] #PF: error_code(0x0000) - not-present page
[ 4760.969385] PGD 0 P4D 0
[ 4760.971927] Oops: 0000 [#1] PREEMPT SMP PTI
[ 4760.976112] CPU: 13 PID: 2346 Comm: vdpa Not tainted 6.4.0-rc6+ #4
[ 4760.982291] Hardware name: Dell Inc. PowerEdge R640/0W23H8, BIOS 2.8.1 06/26/2020
[ 4760.989769] RIP: 0010:memcpy_orig+0xc5/0x130
[ 4760.994049] Code: 16 f8 4c 89 07 4c 89 4f 08 4c 89 54 17 f0 4c 89 5c 17 f8 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 fa 08 72 1b <4c> 8b 06 4c 8b 4c 16 f8 4c 89 07 4c 89 4c 17 f8 c3 cc cc cc cc 66
[ 4761.012793] RSP: 0018:
ffffb1d565abb830 EFLAGS:
00010246
[ 4761.018020] RAX:
ffff9f4bf6b27898 RBX:
ffff9f4be23969c0 RCX:
ffff9f4bcadf6400
[ 4761.025152] RDX:
0000000000000008 RSI:
0000000000000000 RDI:
ffff9f4bf6b27898
[ 4761.032286] RBP:
0000000000000000 R08:
0000000000000008 R09:
0000000000000000
[ 4761.039416] R10:
0000000000000000 R11:
0000000000000600 R12:
0000000000000000
[ 4761.046549] R13:
0000000000000000 R14:
0000000000000080 R15:
ffffb1d565abbb10
[ 4761.053680] FS:
00007f64c2ec2740(0000) GS:
ffff9f635f980000(0000) knlGS:
0000000000000000
[ 4761.061765] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
[ 4761.067513] CR2:
0000000000000000 CR3:
0000001875270006 CR4:
00000000007706e0
[ 4761.074645] DR0:
0000000000000000 DR1:
0000000000000000 DR2:
0000000000000000
[ 4761.081775] DR3:
0000000000000000 DR6:
00000000fffe0ff0 DR7:
0000000000000400
[ 4761.088909] PKRU:
55555554
[ 4761.091620] Call Trace:
[ 4761.094074] <TASK>
[ 4761.096180] ? __die+0x1f/0x70
[ 4761.099238] ? page_fault_oops+0x171/0x4f0
[ 4761.103340] ? exc_page_fault+0x7b/0x180
[ 4761.107265] ? asm_exc_page_fault+0x22/0x30
[ 4761.111460] ? memcpy_orig+0xc5/0x130
[ 4761.115126] vduse_vdpa_set_vq_affinity+0x3e/0x50 [vduse]
[ 4761.120533] virtnet_clean_affinity.part.0+0x3d/0x90 [virtio_net]
[ 4761.126635] remove_vq_common+0x1a4/0x250 [virtio_net]
[ 4761.131781] virtnet_remove+0x5d/0x70 [virtio_net]
[ 4761.136580] virtio_dev_remove+0x3a/0x90
[ 4761.140509] device_release_driver_internal+0x19b/0x200
[ 4761.145742] bus_remove_device+0xc2/0x130
[ 4761.149755] device_del+0x158/0x3e0
[ 4761.153245] ? kernfs_find_ns+0x35/0xc0
[ 4761.157086] device_unregister+0x13/0x60
[ 4761.161010] unregister_virtio_device+0x11/0x20
[ 4761.165543] device_release_driver_internal+0x19b/0x200
[ 4761.170770] bus_remove_device+0xc2/0x130
[ 4761.174782] device_del+0x158/0x3e0
[ 4761.178276] ? __pfx_vdpa_name_match+0x10/0x10 [vdpa]
[ 4761.183336] device_unregister+0x13/0x60
[ 4761.187260] vdpa_nl_cmd_dev_del_set_doit+0x63/0xe0 [vdpa]
Fixes:
28f6288eb63d ("vduse: Support set_vq_affinity callback")
Cc: xieyongji@bytedance.com
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Message-Id: <
20230622204851.318125-1-maxime.coquelin@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Xie Yongji <xieyongji@bytedance.com>
Mike Christie [Mon, 26 Jun 2023 23:23:07 +0000 (18:23 -0500)]
vhost: Allow worker switching while work is queueing
This patch drops the requirement that we can only switch workers if work
has not been queued by using RCU for the vq based queueing paths and a
mutex for the device wide flush.
We can also use this to support SIGKILL properly in the future where we
should exit almost immediately after getting that signal. With this
patch, when get_signal returns true, we can set the vq->worker to NULL
and do a synchronize_rcu to prevent new work from being queued to the
vhost_task that has been killed.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-18-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:23:06 +0000 (18:23 -0500)]
vhost_scsi: add support for worker ioctls
This has vhost-scsi support the worker ioctls by calling the
vhost_worker_ioctl helper.
With a single worker, the single thread becomes a bottlneck when trying
to use 3 or more virtqueues like:
fio --filename=/dev/sdb --direct=1 --rw=randrw --bs=4k \
--ioengine=libaio --iodepth=128 --numjobs=3
With the patches and doing a worker per vq, we can scale to at least
16 vCPUs/vqs (that's my system limit) with the same command fio command
above with numjobs=16:
fio --filename=/dev/sdb --direct=1 --rw=randrw --bs=4k \
--ioengine=libaio --iodepth=64 --numjobs=16
which gives around 2002K IOPs.
Note that for testing I dropped depth to 64 above because the vhost/virt
layer supports only 1024 total commands per device. And the only tuning I
did was set LIO's emulate_pr to 0 to avoid LIO's PR lock in the main IO
path which becomes an issue at around 12 jobs/virtqueues.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-17-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:23:05 +0000 (18:23 -0500)]
vhost: allow userspace to create workers
For vhost-scsi with 3 vqs or more and a workload that tries to use
them in parallel like:
fio --filename=/dev/sdb --direct=1 --rw=randrw --bs=4k \
--ioengine=libaio --iodepth=128 --numjobs=3
the single vhost worker thread will become a bottlneck and we are stuck
at around 500K IOPs no matter how many jobs, virtqueues, and CPUs are
used.
To better utilize virtqueues and available CPUs, this patch allows
userspace to create workers and bind them to vqs. You can have N workers
per dev and also share N workers with M vqs on that dev.
This patch adds the interface related code and the next patch will hook
vhost-scsi into it. The patches do not try to hook net and vsock into
the interface because:
1. multiple workers don't seem to help vsock. The problem is that with
only 2 virtqueues we never fully use the existing worker when doing
bidirectional tests. This seems to match vhost-scsi where we don't see
the worker as a bottleneck until 3 virtqueues are used.
2. net already has a way to use multiple workers.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-16-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:23:04 +0000 (18:23 -0500)]
vhost: replace single worker pointer with xarray
The next patch allows userspace to create multiple workers per device,
so this patch replaces the vhost_worker pointer with an xarray so we
can store mupltiple workers and look them up.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-15-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:23:03 +0000 (18:23 -0500)]
vhost: add helper to parse userspace vring state/file
The next patches add new vhost worker ioctls which will need to get a
vhost_virtqueue from a userspace struct which specifies the vq's index.
This moves the vhost_vring_ioctl code to do this to a helper so it can
be shared.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-14-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:23:02 +0000 (18:23 -0500)]
vhost: remove vhost_work_queue
vhost_work_queue is no longer used. Each driver is using the poll or vq
based queueing, so remove vhost_work_queue.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-13-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:23:01 +0000 (18:23 -0500)]
vhost_scsi: flush IO vqs then send TMF rsp
With one worker we will always send the scsi cmd responses then send the
TMF rsp, because LIO will always complete the scsi cmds first then call
into us to send the TMF response.
With multiple workers, the IO vq workers could be running while the
TMF/ctl vq worker is running so this has us do a flush before completing
the TMF to make sure cmds are completed when it's work is later queued
and run.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-12-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:23:00 +0000 (18:23 -0500)]
vhost_scsi: convert to vhost_vq_work_queue
Convert from vhost_work_queue to vhost_vq_work_queue so we can
remove vhost_work_queue.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-11-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:22:59 +0000 (18:22 -0500)]
vhost_scsi: make SCSI cmd completion per vq
This patch separates the scsi cmd completion code paths so we can complete
cmds based on their vq instead of having all cmds complete on the same
worker/CPU. This will be useful with the next patches that allow us to
create mulitple worker threads and bind them to different vqs, and we can
have completions running on different threads/CPUs.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <
20230626232307.97930-10-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:22:58 +0000 (18:22 -0500)]
vhost_sock: convert to vhost_vq_work_queue
Convert from vhost_work_queue to vhost_vq_work_queue, so we can drop
vhost_work_queue.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-9-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:22:57 +0000 (18:22 -0500)]
vhost: convert poll work to be vq based
This has the drivers pass in their poll to vq mapping and then converts
the core poll code to use the vq based helpers. In the next patches we
will allow vqs to be handled by different workers, so to allow drivers
to execute operations like queue, stop, flush, etc on specific polls/vqs
we need to know the mappings.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-8-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:22:56 +0000 (18:22 -0500)]
vhost: take worker or vq for flushing
This patch has the core work flush function take a worker. When we
support multiple workers we can then flush each worker during device
removal, stoppage, etc. It also adds a helper to flush specific
virtqueues, so vhost-scsi can flush IO vqs from it's ctl vq.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-7-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:22:55 +0000 (18:22 -0500)]
vhost: take worker or vq instead of dev for queueing
This patch has the core work queueing function take a worker for when we
support multiple workers. It also adds a helper that takes a vq during
queueing so modules can control which vq/worker to queue work on.
This temp leaves vhost_work_queue. It will be removed when the drivers
are converted in the next patches.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-6-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:22:54 +0000 (18:22 -0500)]
vhost, vhost_net: add helper to check if vq has work
In the next patches each vq might have different workers so one could
have work but others do not. For net, we only want to check specific vqs,
so this adds a helper to check if a vq has work pending and converts
vhost-net to use it.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <
20230626232307.97930-5-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:22:53 +0000 (18:22 -0500)]
vhost: add vhost_worker pointer to vhost_virtqueue
This patchset allows userspace to map vqs to different workers. This
patch adds a worker pointer to the vq so in later patches in this set
we can queue/flush specific vqs and their workers.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-4-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:22:52 +0000 (18:22 -0500)]
vhost: dynamically allocate vhost_worker
This patchset allows us to allocate multiple workers, so this has us
move from the vhost_worker that's embedded in the vhost_dev to
dynamically allocating it.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-3-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Mike Christie [Mon, 26 Jun 2023 23:22:51 +0000 (18:22 -0500)]
vhost: create worker at end of vhost_dev_set_owner
vsock can start queueing work after VHOST_VSOCK_SET_GUEST_CID, so
after we have called vhost_worker_create it can be calling
vhost_work_queue and trying to access the vhost worker/task. If
vhost_dev_alloc_iovecs fails, then vhost_worker_free could free
the worker/task from under vsock.
This moves vhost_worker_create to the end of vhost_dev_set_owner
where we know we can no longer fail in that path. If it fails
after the VHOST_SET_OWNER and userspace closes the device, then
the normal vsock release handling will do the right thing.
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Message-Id: <
20230626232307.97930-2-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Xianting Tian [Fri, 9 Jun 2023 13:18:17 +0000 (21:18 +0800)]
virtio_bt: call scheduler when we free unused buffs
For virtio-net we were getting CPU stall warnings, and fixed it by
calling the scheduler: see
f8bb51043945 ("virtio_net: suppress cpu stall
when free_unused_bufs").
This driver is similar so theoretically the same logic applies.
Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
Message-Id: <
20230609131817.712867-4-xianting.tian@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Xianting Tian [Fri, 9 Jun 2023 13:18:16 +0000 (21:18 +0800)]
virtio-console: call scheduler when we free unused buffs
For virtio-net we were getting CPU stall warnings, and fixed it by
calling the scheduler: see
f8bb51043945 ("virtio_net: suppress cpu stall
when free_unused_bufs").
This driver is similar so theoretically the same logic applies.
Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
Message-Id: <
20230609131817.712867-3-xianting.tian@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Xianting Tian [Fri, 9 Jun 2023 13:18:15 +0000 (21:18 +0800)]
virtio-crypto: call scheduler when we free unused buffs
For virtio-net we were getting CPU stall warnings, and fixed it by
calling the scheduler: see
f8bb51043945 ("virtio_net: suppress cpu stall
when free_unused_bufs").
This driver is similar so theoretically the same logic applies.
Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
Message-Id: <
20230609131817.712867-2-xianting.tian@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Zhu Lingshan [Mon, 12 Jun 2023 15:14:20 +0000 (23:14 +0800)]
vDPA/ifcvf: implement new accessors for vq_state
This commit implements a better layout of the
live migration bar, therefore the accessors for virtqueue
state have been refactored.
This commit also add a comment to the probing-ids list,
indicating this driver drives F2000X-PL virtio-net
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Message-Id: <
20230612151420.1019504-4-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Zhu Lingshan [Mon, 12 Jun 2023 15:14:19 +0000 (23:14 +0800)]
vDPA/ifcvf: detect and report max allowed vq size
Rather than a hardcode, this commit detects
and reports the max value of allowed size
of the virtqueues
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Message-Id: <
20230612151420.1019504-3-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Zhu Lingshan [Mon, 12 Jun 2023 15:14:18 +0000 (23:14 +0800)]
vDPA/ifcvf: dynamic allocate vq data stores
This commit dynamically allocates the data
stores for the virtqueues based on
virtio_pci_common_cfg.num_queues.
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Message-Id: <
20230612151420.1019504-2-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Daniel Thompson [Fri, 30 Jun 2023 20:12:06 +0000 (21:12 +0100)]
kdb: move kdb_send_sig() declaration to a better header file
kdb_send_sig() is defined in the signal code and called from kdb,
but the declaration is part of the kdb internal code.
Move the declaration to the shared header to avoid the warning:
kernel/signal.c:4789:6: error: no previous prototype for 'kdb_send_sig' [-Werror=missing-prototypes]
Reported-by: Arnd Bergmann <arnd@arndb.de>
Closes: https://lore.kernel.org/lkml/
20230517125423.930967-1-arnd@kernel.org/
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20230630201206.2396930-1-daniel.thompson@linaro.org
Linus Torvalds [Sun, 2 Jul 2023 18:14:54 +0000 (11:14 -0700)]
Merge tag 'iomap-6.5-merge-1' of git://git./fs/xfs/xfs-linux
Pull iomap updates from Darrick Wong:
- Fix a type signature mismatch
- Drop Christoph as maintainer
* tag 'iomap-6.5-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: drop me [hch] from MAINTAINERS for iomap
fs: iomap: Change the type of blocksize from 'int' to 'unsigned int' in iomap_file_buffered_write_punch_delalloc
Linus Torvalds [Sun, 2 Jul 2023 18:10:22 +0000 (11:10 -0700)]
Merge tag 'v6.5/vfs.fixes' of git://git./linux/kernel/git/vfs/vfs
Pull vfs fix from Christian Brauner:
"A fix for the backing file work from this cycle.
When init_file() failed it would call file_free_rcu() on the file
allocated by the caller of init_file(). It naively assumed that the
correct cleanup operation would be called depending on whether it is a
regular file or a backing file. However, that presupposes that the
FMODE_BACKING flag would already be set which it won't be as that is
done in the caller of init_file().
Fix that bug by moving the cleanup of the allocated file into the
caller where it belongs in the first place. There's no good reason for
init_file() to consume resources it didn't allocate. This is a
mainline only fix and was reported by syzbot. The fix was validated by
syzbot against the provided reproducer"
* tag 'v6.5/vfs.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs: move cleanup from init_file() into its callers
Linus Torvalds [Sun, 2 Jul 2023 17:22:38 +0000 (10:22 -0700)]
Merge tag 'i2c-for-6.5-rc1' of git://git./linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- I2C has now a co-maintainer taking care of the host drivers. Welcome
Andi Shyti and have fun!
- platform remove callback converted to return void in drivers
- simplify drivers by using devm_clk_get_enabled()
- introduce i2c_get_match_data() to avoid more boilerplate code
(especially since the core stopped delivering an i2c_device_id)
- and the usual bunch of driver updates
* tag 'i2c-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
i2c: uniphier: Use devm_clk_get_enabled()
i2c: uniphier-f: Use devm_clk_get_enabled()
i2c: owl: Use devm_clk_get_enabled()
i2c: lpc2k: Use devm_clk_get_enabled()
i2c: hix5hd2: Use devm_clk_get_enabled()
i2c: sun6i-p2wi: Use devm_clk_get_enabled()
i2c: pasemi-platform: Use devm_clk_get_enabled()
i2c: mt7621: Use devm_clk_get_enabled()
i2c: xiic: Use devm_clk_get_enabled()
i2c: davinci: Use platform table macro over module_alias
i2c: ocores: use devm_ managed clks
i2c: nomadik: Use dev_err_probe() whenever possible
i2c: nomadik: Use devm_clk_get_enabled()
i2c: nomadik: Remove unnecessary goto label
usb: typec: ucsi: Mark dGPUs as DEVICE scope
i2c: wmt: Use devm_platform_get_and_ioremap_resource()
i2c: versatile: Use devm_platform_get_and_ioremap_resource()
i2c: hix5hd2: Add I2C_M_STOP flag support for i2c-hix5hd2 driver.
i2c: mpc: Use of_property_read_reg() to parse "reg"
i2c: imx-lpi2c: Don't open-code DIV_ROUND_UP
...
Linus Torvalds [Sun, 2 Jul 2023 17:02:35 +0000 (10:02 -0700)]
Merge tag 'parisc-for-6.5-rc1' of git://git./linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
- Add missing cacheflush() syscall
- Fix STI console on 64-bit-only machines
- Move kernel debug options to Kconfig.debug
- Lots of warning fixes in arch/parisc/ and drivers/parisc/ when
compiled with W=1
- Enable some more graphics drivers in refreshed defconfigs
* tag 'parisc-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (29 commits)
parisc: Refresh defconfigs
parisc: irq: Add irq-related function declarations
parisc: Move init function declarations into header file
parisc: dino: Make dino_init() returning void
parisc: lba_pci: Mark two variables __maybe_unused
parisc: unaligned: Include header file to avoid missing prototype warnings
parisc: signal: Mark do_notify_resume() and sys_rt_sigreturn() asmlinkage
parisc: unwind: Mark start and stop variables __maybe_unused
parisc: init: Drop unused variable end_paddr
parisc: traps: Mark functions static
parisc: processor: Fix kdoc for init_cpu_profiler()
parisc: sys_parisc: parisc_personality() is called from asm code
parisc: ccio-dma: Fix kdoc and compiler warnings
parisc: pdc_stable: Fix kdoc and compiler warnings
parisc: pci-dma: Make pcxl_alloc_range() static
parisc: Mark image_size __maybe_unused in perf_write()
parisc: module: Mark symindex __maybe_unused
parisc: pdc_chassis: Fix kdoc warnings
parisc: firmware: Fix kdoc warnings
parisc: drivers: Fix kdoc warnings
...
Amir Goldstein [Sat, 1 Jul 2023 17:11:34 +0000 (20:11 +0300)]
fs: move cleanup from init_file() into its callers
The use of file_free_rcu() in init_file() to free the struct that was
allocated by the caller was hacky and we got what we deserved.
Let init_file() and its callers take care of cleaning up each after
their own allocated resources on error.
Fixes:
62d53c4a1dfe ("fs: use backing_file container for internal files with "fake" f_path") # mainline only
Reported-and-tested-by: syzbot+ada42aab05cf51b00e98@syzkaller.appspotmail.com
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Message-Id: <
20230701171134.239409-1-amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Linus Torvalds [Sun, 2 Jul 2023 04:12:32 +0000 (21:12 -0700)]
Merge tag 'csky-for-linus-6.5' of https://github.com/c-sky/csky-linux
Pull arch/csky update from Guo Ren:
- Correct thread.trap_no restore of uprobe
* tag 'csky-for-linus-6.5' of https://github.com/c-sky/csky-linux:
csky: uprobes: Restore thread.trap_no
Linus Torvalds [Sat, 1 Jul 2023 21:38:25 +0000 (14:38 -0700)]
Merge tag 'nfs-for-6.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Stable fixes and other bugfixes:
- nfs: don't report STATX_BTIME in ->getattr
- Revert 'NFSv4: Retry LOCK on OLD_STATEID during delegation return'
since it breaks NFSv4 state recovery.
- NFSv4.1: freeze the session table upon receiving NFS4ERR_BADSESSION
- Fix the NFSv4.2 xattr cache shrinker_id
- Force a ctime update after a NFSv4.2 SETXATTR call
Features and cleanups:
- NFS and RPC over TLS client code from Chuck Lever
- Support for use of abstract unix socket addresses with the rpcbind
daemon
- Sysfs API to allow shutdown of the kernel RPC client and prevent
umount() hangs if the server is known to be permanently down
- XDR cleanups from Anna"
* tag 'nfs-for-6.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (33 commits)
Revert "NFSv4: Retry LOCK on OLD_STATEID during delegation return"
NFS: Don't cleanup sysfs superblock entry if uninitialized
nfs: don't report STATX_BTIME in ->getattr
NFSv4.1: freeze the session table upon receiving NFS4ERR_BADSESSION
NFSv4.2: fix wrong shrinker_id
NFSv4: Clean up some shutdown loops
NFS: Cancel all existing RPC tasks when shutdown
NFS: add sysfs shutdown knob
NFS: add a sysfs link to the acl rpc_client
NFS: add a sysfs link to the lockd rpc_client
NFS: Add sysfs links to sunrpc clients for nfs_clients
NFS: add superblock sysfs entries
NFS: Make all of /sys/fs/nfs network-namespace unique
NFS: Open-code the nfs_kset kset_create_and_add()
NFS: rename nfs_client_kobj to nfs_net_kobj
NFS: rename nfs_client_kset to nfs_kset
NFS: Add an "xprtsec=" NFS mount option
NFS: Have struct nfs_client carry a TLS policy field
SUNRPC: Add a TCP-with-TLS RPC transport class
SUNRPC: Capture CMSG metadata on client-side receive
...
Linus Torvalds [Sat, 1 Jul 2023 18:40:01 +0000 (11:40 -0700)]
Merge tag 'x86-urgent-2023-07-01' of git://git./linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner:
"A single regression fix for x86:
Moving the invocation of arch_cpu_finalize_init() earlier in the boot
process caused a boot regression on IBT enabled system.
The root cause is not the move of arch_cpu_finalize_init() itself. The
system fails to boot because the subsequent efi_enter_virtual_mode()
code has a non-IBT safe EFI call inside. This was not noticed before
because IBT was enabled after the EFI initialization.
Switching the EFI call to use the IBT safe wrapper cures the problem"
* tag 'x86-urgent-2023-07-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/efi: Make efi_set_virtual_address_map IBT safe
Linus Torvalds [Sat, 1 Jul 2023 16:24:31 +0000 (09:24 -0700)]
Merge tag 'kbuild-v6.5' of git://git./linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Remove the deprecated rule to build *.dtbo from *.dts
- Refactor section mismatch detection in modpost
- Fix bogus ARM section mismatch detections
- Fix error of 'make gtags' with O= option
- Add Clang's target triple to KBUILD_CPPFLAGS to fix a build error
with the latest LLVM version
- Rebuild the built-in initrd when KBUILD_BUILD_TIMESTAMP is changed
- Ignore more compiler-generated symbols for kallsyms
- Fix 'make local*config' to handle the ${CONFIG_FOO} form in Makefiles
- Enable more kernel-doc warnings with W=2
- Refactor <linux/export.h> by generating KSYMTAB data by modpost
- Deprecate <asm/export.h> and <asm-generic/export.h>
- Remove the EXPORT_DATA_SYMBOL macro
- Move the check for static EXPORT_SYMBOL back to modpost, which makes
the build faster
- Re-implement CONFIG_TRIM_UNUSED_KSYMS with one-pass algorithm
- Warn missing MODULE_DESCRIPTION when building modules with W=1
- Make 'make clean' robust against too long argument error
- Exclude more objects from GCOV to fix CFI failures with GCOV
- Allow 'make modules_install' to install modules.builtin and
modules.builtin.modinfo even when CONFIG_MODULES is disabled
- Include modules.builtin and modules.builtin.modinfo in the
linux-image Debian package even when CONFIG_MODULES is disabled
- Revive "Entering directory" logging for the latest Make version
* tag 'kbuild-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (72 commits)
modpost: define more R_ARM_* for old distributions
kbuild: revive "Entering directory" for Make >= 4.4.1
kbuild: set correct abs_srctree and abs_objtree for package builds
scripts/mksysmap: Ignore prefixed KCFI symbols
kbuild: deb-pkg: remove the CONFIG_MODULES check in buildeb
kbuild: builddeb: always make modules_install, to install modules.builtin*
modpost: continue even with unknown relocation type
modpost: factor out Elf_Sym pointer calculation to section_rel()
modpost: factor out inst location calculation to section_rel()
kbuild: Disable GCOV for *.mod.o
kbuild: Fix CFI failures with GCOV
kbuild: make clean rule robust against too long argument error
script: modpost: emit a warning when the description is missing
kbuild: make modules_install copy modules.builtin(.modinfo)
linux/export.h: rename 'sec' argument to 'license'
modpost: show offset from symbol for section mismatch warnings
modpost: merge two similar section mismatch warnings
kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion
modpost: use null string instead of NULL pointer for default namespace
modpost: squash sym_update_namespace() into sym_add_exported()
...
Linus Torvalds [Sat, 1 Jul 2023 16:18:25 +0000 (09:18 -0700)]
Merge tag 'arm64-fixes' of git://git./linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Fix memory corruption (overwriting the kmalloc redzone) when saving
the SVE state while in SVE streaming mode"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: sme: Use STR P to clear FFR context field in streaming SVE mode
Linus Torvalds [Sat, 1 Jul 2023 15:58:41 +0000 (08:58 -0700)]
Merge tag 'cxl-for-6.5' of git://git./linux/kernel/git/cxl/cxl
Pull CXL updates from Dan Williams:
"The highlights in terms of new functionality are support for the
standard CXL Performance Monitor definition that appeared in CXL 3.0,
support for device sanitization (wiping all data from a device),
secure-erase (re-keying encryption of user data), and support for
firmware update. The firmware update support is notable as it reuses
the simple sysfs_upload interface to just cat(1) a blob to a sysfs
file and pipe that to the device.
Additionally there are a substantial number of cleanups and
reorganizations to get ready for RCH error handling (RCH == Restricted
CXL Host == current shipping hardware generation / pre CXL-2.0
topologies) and type-2 (accelerator / vendor specific) devices.
For vendor specific devices they implement a subset of what the
generic type-3 (generic memory expander) driver expects. As a result
the rework decouples optional infrastructure from the core driver
context.
For RCH topologies, where the specification working group did not want
to confuse pre-CXL-aware operating systems, many of the standard
registers are hidden which makes support standard bus features like
AER (PCIe Advanced Error Reporting) difficult. The rework arranges for
the driver to help the PCI-AER core. Bjorn is on board with this
direction but a late regression disocvery means the completion of this
functionality needs to cook a bit longer, so it is code
reorganizations only for now.
Summary:
- Add infrastructure for supporting background commands along with
support for device sanitization and firmware update
- Introduce a CXL performance monitoring unit driver based on the
common definition in the specification.
- Land some preparatory cleanup and refactoring for the anticipated
arrival of CXL type-2 (accelerator devices) and CXL RCH (CXL-v1.1
topology) error handling.
- Rework CPU cache management with respect to region configuration
(device hotplug or other dynamic changes to memory interleaving)
- Fix region reconfiguration vs CXL decoder ordering rules"
* tag 'cxl-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (51 commits)
cxl: Fix one kernel-doc comment
cxl/pci: Use correct flag for sanitize polling
docs: perf: Minimal introduction the the CXL PMU device and driver
perf: CXL Performance Monitoring Unit driver
tools/testing/cxl: add firmware update emulation to CXL memdevs
tools/testing/cxl: Use named effects for the Command Effect Log
tools/testing/cxl: Fix command effects for inject/clear poison
cxl: add a firmware update mechanism using the sysfs firmware loader
cxl/test: Add Secure Erase opcode support
cxl/mem: Support Secure Erase
cxl/test: Add Sanitize opcode support
cxl/mem: Wire up Sanitization support
cxl/mbox: Add sanitization handling machinery
cxl/mem: Introduce security state sysfs file
cxl/mbox: Allow for IRQ_NONE case in the isr
Revert "cxl/port: Enable the HDM decoder capability for switch ports"
cxl/memdev: Formalize endpoint port linkage
cxl/pci: Unconditionally unmask 256B Flit errors
cxl/region: Manage decoder target_type at decoder-attach time
cxl/hdm: Default CXL_DEVTYPE_DEVMEM decoders to CXL_DECODER_DEVMEM
...
Linus Torvalds [Sat, 1 Jul 2023 15:48:02 +0000 (08:48 -0700)]
Merge tag 'libnvdimm-for-6.5' of git://git./linux/kernel/git/nvdimm/nvdimm
Pull nvdimm and DAX updates from Vishal Verma:
"This is mostly small cleanups and fixes, with the biggest change being
the change to the DAX fault handler allowing it to return
VM_FAULT_HWPOISON.
Summary:
- DAX fixes and cleanups including a use after free, extra
references, and device unregistration, and a redundant variable.
- Allow the DAX fault handler to return VM_FAULT_HWPOISON
- A few libnvdimm cleanups such as making some functions and
variables static where sufficient.
- Add a few missing prototypes for wrapped functions in
tools/testing/nvdimm"
* tag 'libnvdimm-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dax: enable dax fault handler to report VM_FAULT_HWPOISON
nvdimm: make security_show static
nvdimm: make nd_class variable static
dax/kmem: Pass valid argument to memory_group_register_static
fsdax: remove redundant variable 'error'
dax: Cleanup extra dax_region references
dax: Introduce alloc_dev_dax_id()
dax: Use device_unregister() in unregister_dax_mapping()
dax: Fix dax_mapping_release() use after free
tools/testing/nvdimm: Drop empty platform remove function
libnvdimm: mark 'security_show' static again
testing: nvdimm: add missing prototypes for wrapped functions
dax: fix missing-prototype warnings
Linus Torvalds [Sat, 1 Jul 2023 15:40:56 +0000 (08:40 -0700)]
Merge tag 'sysctl-fixes-v2-v6.4-rc1' of git://git./linux/kernel/git/mcgrof/linux
Pull another sysctl fix from Luis Chamberlain:
"Just one minor nit I forgot to merge"
* tag 'sysctl-fixes-v2-v6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
sysctl: set variable sysctl_mount_point storage-class-specifier to static
Linus Torvalds [Sat, 1 Jul 2023 15:31:07 +0000 (08:31 -0700)]
Merge tag 'flex-array-transformations-6.5-rc1' of git://git./linux/kernel/git/gustavoars/linux
Pull flexible-array update from Gustavo Silva:
"Transform a zero-length array into a C99 flexible-array member.
This addresses a build failure with Clang by fixing multiple
'-Warray-bounds' warnings in drivers/staging/ks7010/ks_wlan_net.c"
* tag 'flex-array-transformations-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
uapi: wireless: Replace zero-length array with flexible-array member
Christian Brauner [Sat, 1 Jul 2023 06:44:44 +0000 (08:44 +0200)]
pid: use struct_size_t() helper
Before commit
d67790ddf021 ("overflow: Add struct_size_t() helper") only
struct_size() existed, which expects a valid pointer instance containing
the flexible array.
However, when we determine the default struct pid allocation size for
the associated kmem cache of a pid namespace we need to take the nesting
depth of the pid namespace into account without an variable instance
necessarily being available.
In commit
b69f0aeb0689 ("pid: Replace struct pid 1-element array with
flex-array") we used to handle this the old fashioned way and cast NULL
to a struct pid pointer type. However, we do apparently have a dedicated
struct_size_t() helper for exactly this case. So switch to that.
Suggested-by: Kees Cook <keescook@chromium.org>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Liam R. Howlett [Fri, 30 Jun 2023 02:28:16 +0000 (22:28 -0400)]
mm: Update do_vmi_align_munmap() return semantics
Since do_vmi_align_munmap() will always honor the downgrade request on
the success, the callers no longer have to deal with confusing return
codes. Since all callers that request downgrade actually want the lock
to be dropped, change the downgrade to an unlock request.
Note that the lock still needs to be held in read mode during the page
table clean up to avoid races with a map request.
Update do_vmi_align_munmap() to return 0 for success. Clean up the
callers and comments to always expect the unlock to be honored on the
success path. The error path will always leave the lock untouched.
As part of the cleanup, the wrapper function do_vmi_munmap() and callers
to the wrapper are also updated.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/linux-mm/20230629191414.1215929-1-willy@infradead.org/
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Matthew Wilcox (Oracle) [Thu, 29 Jun 2023 19:14:14 +0000 (20:14 +0100)]
mm: Always downgrade mmap_lock if requested
Now that stack growth must always hold the mmap_lock for write, we can
always downgrade the mmap_lock to read and safely unmap pages from the
page table, even if we're next to a stack.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Max Filippov [Sat, 1 Jul 2023 10:31:55 +0000 (03:31 -0700)]
xtensa: fix lock_mm_and_find_vma in case VMA not found
MMU version of lock_mm_and_find_vma releases the mm lock before
returning when VMA is not found. Do the same in noMMU version.
This fixes hang on an attempt to handle protection fault.
Fixes:
d85a143b69ab ("xtensa: fix NOMMU build with lock_mm_and_find_vma() conversion")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Paolo Bonzini [Sat, 1 Jul 2023 11:20:04 +0000 (07:20 -0400)]
Merge tag 'kvm-x86-vmx-6.5' of https://github.com/kvm-x86/linux into HEAD
KVM VMX changes for 6.5:
- Fix missing/incorrect #GP checks on ENCLS
- Use standard mmu_notifier hooks for handling APIC access page
- Misc cleanups
Paolo Bonzini [Sat, 1 Jul 2023 11:19:42 +0000 (07:19 -0400)]
Merge tag 'kvm-x86-svm-6.5' of https://github.com/kvm-x86/linux into HEAD
KVM SVM changes for 6.5:
- Drop manual TR/TSS load after VM-Exit now that KVM uses VMLOAD for host state
- Fix a not-yet-problematic missing call to trace_kvm_exit() for VM-Exits that
are handled in the fastpath
- Print more descriptive information about the status of SEV and SEV-ES during
module load
- Assert that misc_cg_set_capacity() doesn't fail to avoid should-be-impossible
memory leaks
Paolo Bonzini [Sat, 1 Jul 2023 11:19:09 +0000 (07:19 -0400)]
Merge tag 'kvm-x86-selftests-6.5' of https://github.com/kvm-x86/linux into HEAD
KVM selftests changes for 6.5:
- Add a test for splitting and reconstituting hugepages during and after
dirty logging
- Add support for CPU pinning in demand paging test
- Generate dependency files so that partial rebuilds work as expected
- Misc cleanups and fixes
Paolo Bonzini [Sat, 1 Jul 2023 11:18:51 +0000 (07:18 -0400)]
Merge tag 'kvm-x86-pmu-6.5' of https://github.com/kvm-x86/linux into HEAD
KVM x86/pmu changes for 6.5:
- Add support for AMD PerfMonV2, with a variety of cleanups and minor fixes
included along the way
Paolo Bonzini [Sat, 1 Jul 2023 11:18:30 +0000 (07:18 -0400)]
Merge tag 'kvm-x86-mmu-6.5' of https://github.com/kvm-x86/linux into HEAD
KVM x86/mmu changes for 6.5:
- Add back a comment about the subtle side effect of try_cmpxchg64() in
tdp_mmu_set_spte_atomic()
- Add an assertion in __kvm_mmu_invalidate_addr() to verify that the target
KVM MMU is the current MMU
- Add a "never" option to effectively avoid creating NX hugepage recovery
threads
Paolo Bonzini [Sat, 1 Jul 2023 11:08:59 +0000 (07:08 -0400)]
Merge tag 'kvm-x86-misc-6.5' of https://github.com/kvm-x86/linux into HEAD
KVM x86 changes for 6.5:
* Move handling of PAT out of MTRR code and dedup SVM+VMX code
* Fix output of PIC poll command emulation when there's an interrupt
* Add a maintainer's handbook to document KVM x86 processes, preferred coding
style, testing expectations, etc.
* Misc cleanups
Paolo Bonzini [Sat, 1 Jul 2023 11:07:55 +0000 (07:07 -0400)]
Merge tag 'kvm-x86-generic-6.5' of https://github.com/kvm-x86/linux into HEAD
Common KVM changes for 6.5:
- Fix unprotected vcpu->pid dereference via debugfs
- Fix KVM_BUG() and KVM_BUG_ON() macros with 64-bit conditionals
- Refactor failure path in kvm_io_bus_unregister_dev() to simplify the code
- Misc cleanups
Paolo Bonzini [Sat, 1 Jul 2023 11:04:29 +0000 (07:04 -0400)]
Merge tag 'kvmarm-6.5' of git://git./linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 updates for 6.5
- Eager page splitting optimization for dirty logging, optionally
allowing for a VM to avoid the cost of block splitting in the stage-2
fault path.
- Arm FF-A proxy for pKVM, allowing a pKVM host to safely interact with
services that live in the Secure world. pKVM intervenes on FF-A calls
to guarantee the host doesn't misuse memory donated to the hyp or a
pKVM guest.
- Support for running the split hypervisor with VHE enabled, known as
'hVHE' mode. This is extremely useful for testing the split
hypervisor on VHE-only systems, and paves the way for new use cases
that depend on having two TTBRs available at EL2.
- Generalized framework for configurable ID registers from userspace.
KVM/arm64 currently prevents arbitrary CPU feature set configuration
from userspace, but the intent is to relax this limitation and allow
userspace to select a feature set consistent with the CPU.
- Enable the use of Branch Target Identification (FEAT_BTI) in the
hypervisor.
- Use a separate set of pointer authentication keys for the hypervisor
when running in protected mode, as the host is untrusted at runtime.
- Ensure timer IRQs are consistently released in the init failure
paths.
- Avoid trapping CTR_EL0 on systems with Enhanced Virtualization Traps
(FEAT_EVT), as it is a register commonly read from userspace.
- Erratum workaround for the upcoming AmpereOne part, which has broken
hardware A/D state management.
As a consequence of the hVHE series reworking the arm64 software
features framework, the for-next/module-alloc branch from the arm64 tree
comes along for the ride.
Paolo Bonzini [Sat, 1 Jul 2023 11:02:41 +0000 (07:02 -0400)]
Merge tag 'kvm-riscv-6.5-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv changes for 6.5
- Redirect AMO load/store misaligned traps to KVM guest
- Trap-n-emulate AIA in-kernel irqchip for KVM guest
- Svnapot support for KVM Guest
Paolo Bonzini [Sat, 1 Jul 2023 11:00:11 +0000 (07:00 -0400)]
Merge tag 'kvm-s390-next-6.5-1' of https://git./linux/kernel/git/kvms390/linux into HEAD
* New uvdevice secret API
* New CMM selftest
* cmm fix
* diag 9c racy access of target cpu fix
Linus Torvalds [Sat, 1 Jul 2023 05:00:28 +0000 (22:00 -0700)]
Merge tag '6.5-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client updates from Steve French:
- Deferred close fix
- Debugging improvements: display missing mount option, dump rc on
invalidate inode failures, print client_guid in DebugData, log
session id when matching session not found in reconnect, new dynamic
tracepoint for session not found
- Mount fixes including: potential null dereference, and possible
memory leak and path name parsing when double slashes
- Fix potential use after free in compounding
- Two crediting (flow control) fixes: fix for crediting leak (stress
scenario with excess lease credits) and better locking around
updating credits
- Three cleanups from issues pointed out by the kernel test robot
- Session state check improvements (including for potential use after
free)
- DFS fixes: Fix for getattr on link when DFS disabled, fix for DFS
mounts to same share with different prefix paths, DFS mount error
checking improvement
* tag '6.5-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6:
cifs: new dynamic tracepoint to track ses not found errors
cifs: log session id when a matching ses is not found
smb: client: improve DFS mount check
smb: client: fix shared DFS root mounts with different prefixes
smb: client: fix parsing of source mount option
smb: client: fix broken file attrs with nodfs mounts
cifs: print client_guid in DebugData
cifs: fix session state check in smb2_find_smb_ses
cifs: fix session state check in reconnect to avoid use-after-free issue
cifs: do all necessary checks for credits within or before locking
cifs: prevent use-after-free by freeing the cfile later
smb: client: fix warning in generic_ip_connect()
smb: client: fix warning in CIFSFindNext()
smb: client: fix warning in CIFSFindFirst()
smb3: do not reserve too many oplock credits
cifs: print more detail when invalidate_inode_mapping fails
smb: client: fix warning in cifs_smb3_do_mount()
smb: client: fix warning in cifs_match_super()
cifs: print nosharesock value while dumping mount options
SMB3: Do not send lease break acknowledgment if all file handles have been closed
Linus Torvalds [Sat, 1 Jul 2023 04:53:33 +0000 (21:53 -0700)]
Merge tag '6.5-rc-ksmbd-server-fixes-part1' of git://git.samba.org/ksmbd
Pull ksmbd server updates from Steve French:
- two fixes for compounding bugs (make sure no out of bound reads with
less common combinations of commands in the compound)
- eight minor cleanup patches (e.g. simplifying return values, replace
one element array, use of kzalloc where simpler)
- fix for clang warning on possible overflow in filename conversion
* tag '6.5-rc-ksmbd-server-fixes-part1' of git://git.samba.org/ksmbd:
ksmbd: avoid field overflow warning
ksmbd: Replace one-element array with flexible-array member
ksmbd: Use struct_size() helper in ksmbd_negotiate_smb_dialect()
ksmbd: add missing compound request handing in some commands
ksmbd: fix out of bounds read in smb2_sess_setup
ksmbd: Replace the ternary conditional operator with min()
ksmbd: use kvzalloc instead of kvmalloc
ksmbd: Change the return value of ksmbd_vfs_query_maximal_access to void
ksmbd: return a literal instead of 'err' in ksmbd_vfs_kern_path_locked()
ksmbd: use kzalloc() instead of __GFP_ZERO
ksmbd: remove unused ksmbd_tree_conn_share function
Linus Torvalds [Sat, 1 Jul 2023 04:48:44 +0000 (21:48 -0700)]
Merge tag 'nfsd-6.5-1' of git://git./linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix ordering of attributes in NFSv4 GETATTR replies
* tag 'nfsd-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
nfsd: Fix creation time serialization order
Linus Torvalds [Sat, 1 Jul 2023 04:40:44 +0000 (21:40 -0700)]
Merge tag 'livepatching-for-6.5' of git://git./linux/kernel/git/livepatching/livepatching
Pull livepatching update from Petr Mladek:
- Make a variable static to fix a sparse warning
* tag 'livepatching-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
livepatch: Make 'klp_stack_entries' static
Linus Torvalds [Sat, 1 Jul 2023 04:35:52 +0000 (21:35 -0700)]
Merge tag 'efi-next-for-v6.5' of git://git./linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
"Although some more stuff is brewing, the EFI changes that are ready
for mainline are few this cycle:
- improve the PCI DMA paranoia logic in the EFI stub
- some constification changes
- add statfs support to efivarfs
- allow user space to enumerate updatable firmware resources without
CAP_SYS_ADMIN"
* tag 'efi-next-for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/libstub: Disable PCI DMA before grabbing the EFI memory map
efi/esrt: Allow ESRT access without CAP_SYS_ADMIN
efivarfs: expose used and total size
efi: make kobj_type structure constant
efi: x86: make kobj_type structure constant
Linus Torvalds [Sat, 1 Jul 2023 04:27:13 +0000 (21:27 -0700)]
Merge tag 'v6.5-p1' of git://git./linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Add linear akcipher/sig API
- Add tfm cloning (hmac, cmac)
- Add statesize to crypto_ahash
Algorithms:
- Allow only odd e and restrict value in FIPS mode for RSA
- Replace LFSR with SHA3-256 in jitter
- Add interface for gathering of raw entropy in jitter
Drivers:
- Fix race on data_avail and actual data in hwrng/virtio
- Add hash and HMAC support in starfive
- Add RSA algo support in starfive
- Add support for PCI device 0x156E in ccp"
* tag 'v6.5-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (85 commits)
crypto: akcipher - Do not copy dst if it is NULL
crypto: sig - Fix verify call
crypto: akcipher - Set request tfm on sync path
crypto: sm2 - Provide sm2_compute_z_digest when sm2 is disabled
hwrng: imx-rngc - switch to DEFINE_SIMPLE_DEV_PM_OPS
hwrng: st - keep clock enabled while hwrng is registered
hwrng: st - support compile-testing
hwrng: imx-rngc - fix the timeout for init and self check
KEYS: asymmetric: Use new crypto interface without scatterlists
KEYS: asymmetric: Move sm2 code into x509_public_key
KEYS: Add forward declaration in asymmetric-parser.h
crypto: sig - Add interface for sign/verify
crypto: akcipher - Add sync interface without SG lists
crypto: cipher - On clone do crypto_mod_get()
crypto: api - Add __crypto_alloc_tfmgfp
crypto: api - Remove crypto_init_ops()
crypto: rsa - allow only odd e and restrict value in FIPS mode
crypto: geniv - Split geniv out of AEAD Kconfig option
crypto: algboss - Add missing dependency on RNG2
crypto: starfive - Add RSA algo support
...
Linus Torvalds [Sat, 1 Jul 2023 01:24:49 +0000 (18:24 -0700)]
xtensa: fix NOMMU build with lock_mm_and_find_vma() conversion
It turns out that xtensa has a really odd configuration situation: you
can do a no-MMU config, but still have the page fault code enabled.
Which doesn't sound all that sensible, but it turns out that xtensa can
have protection faults even without the MMU, and we have this:
config PFAULT
bool "Handle protection faults" if EXPERT && !MMU
default y
help
Handle protection faults. MMU configurations must enable it.
noMMU configurations may disable it if used memory map never
generates protection faults or faults are always fatal.
If unsure, say Y.
which completely violated my expectations of the page fault handling.
End result: Guenter reports that the xtensa no-MMU builds all fail with
arch/xtensa/mm/fault.c: In function ‘do_page_fault’:
arch/xtensa/mm/fault.c:133:8: error: implicit declaration of function ‘lock_mm_and_find_vma’
because I never exposed the new lock_mm_and_find_vma() function for the
no-MMU case.
Doing so is simple enough, and fixes the problem.
Reported-and-tested-by: Guenter Roeck <linux@roeck-us.net>
Fixes:
a050ba1e7422 ("mm/fault: convert remaining simple cases to lock_mm_and_find_vma()")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Jens Axboe [Sat, 1 Jul 2023 02:11:24 +0000 (20:11 -0600)]
Merge tag 'md-fixes-
20230630' of https://git./linux/kernel/git/song/md into block-6.5
Pull MD fix from Song:
"This patch fixes data corruption caused by discard on raid0 array with
original layout."
* tag 'md-fixes-
20230630' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
md/raid0: add discard support for the 'original' layout
Tom Rix [Fri, 30 Jun 2023 23:19:47 +0000 (16:19 -0700)]
sysctl: set variable sysctl_mount_point storage-class-specifier to static
smatch reports
fs/proc/proc_sysctl.c:32:18: warning: symbol
'sysctl_mount_point' was not declared. Should it be static?
This variable is only used in its defining file, so it should be static.
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Jason Baron [Fri, 23 Jun 2023 18:05:23 +0000 (14:05 -0400)]
md/raid0: add discard support for the 'original' layout
We've found that using raid0 with the 'original' layout and discard
enabled with different disk sizes (such that at least two zones are
created) can result in data corruption. This is due to the fact that
the discard handling in 'raid0_handle_discard()' assumes the 'alternate'
layout. We've seen this corruption using ext4 but other filesystems are
likely susceptible as well.
More specifically, while multiple zones are necessary to create the
corruption, the corruption may not occur with multiple zones if they
layout in such a way the layout matches what the 'alternate' layout
would have produced. Thus, not all raid0 devices with the 'original'
layout, different size disks and discard enabled will encounter this
corruption.
The 3.14 kernel inadvertently changed the raid0 disk layout for different
size disks. Thus, running a pre-3.14 kernel and post-3.14 kernel on the
same raid0 array could corrupt data. This lead to the creation of the
'original' layout (to match the pre-3.14 layout) and the 'alternate' layout
(to match the post 3.14 layout) in the 5.4 kernel time frame and an option
to tell the kernel which layout to use (since it couldn't be autodetected).
However, when the 'original' layout was added back to 5.4 discard support
for the 'original' layout was not added leading this issue.
I've been able to reliably reproduce the corruption with the following
test case:
1. create raid0 array with different size disks using original layout
2. mkfs
3. mount -o discard
4. create lots of files
5. remove 1/2 the files
6. fstrim -a (or just the mount point for the raid0 array)
7. umount
8. fsck -fn /dev/md0 (spews all sorts of corruptions)
Let's fix this by adding proper discard support to the 'original' layout.
The fix 'maps' the 'original' layout disks to the order in which they are
read/written such that we can compare the disks in the same way that the
current 'alternate' layout does. A 'disk_shift' field is added to
'struct strip_zone'. This could be computed on the fly in
raid0_handle_discard() but by adding this field, we save some computation
in the discard path.
Note we could also potentially fix this by re-ordering the disks in the
zones that follow the first one, and then always read/writing them using
the 'alternate' layout. However, that is seen as a more substantial change,
and we are attempting the least invasive fix at this time to remedy the
corruption.
I've verified the change using the reproducer mentioned above. Typically,
the corruption is seen after less than 3 iterations, while the patch has
run 500+ iterations.
Cc: NeilBrown <neilb@suse.de>
Cc: Song Liu <song@kernel.org>
Fixes:
c84a1372df92 ("md/raid0: avoid RAID0 data corruption due to layout confusion.")
Cc: stable@vger.kernel.org
Signed-off-by: Jason Baron <jbaron@akamai.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230623180523.1901230-1-jbaron@akamai.com
Nishanth Menon [Wed, 21 Jun 2023 01:00:22 +0000 (20:00 -0500)]
mailbox: ti-msgmgr: Fill non-message tx data fields with 0x0
Sec proxy/message manager data buffer is 60 bytes with the last of the
registers indicating transmission completion. This however poses a bit
of a challenge.
The backing memory for sec_proxy / message manager is regular memory,
and all sec proxy does is to trigger a burst of all 60 bytes of data
over to the target thread backing ring accelerator. It doesn't do a
memory scrub when it moves data out in the burst. When we transmit
multiple messages, remnants of previous message is also transmitted
which results in some random data being set in TISCI fields of
messages that have been expanded forward.
The entire concept of backward compatibility hinges on the fact that
the unused message fields remain 0x0 allowing for 0x0 value to be
specially considered when backward compatibility of message extension
is done.
So, instead of just writing the completion register, we continue
to fill the message buffer up with 0x0 (note: for partial message
involving completion, we already do this).
This allows us to scale and introduce ABI changes back also work with
other boot stages that may have left data in the internal memory.
While at this, be consistent and explicit with the data_reg pointer
increment.
Fixes:
aace66b170ce ("mailbox: Introduce TI message manager driver")
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Stefan Kristiansson [Mon, 29 May 2023 13:50:45 +0000 (16:50 +0300)]
mailbox: tegra: add support for Tegra264
Tegra264 has a slightly different doorbell register layout than
previous chips.
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stefan Kristiansson <stefank@nvidia.com>
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Peter De Schrijver [Mon, 29 May 2023 13:50:43 +0000 (16:50 +0300)]
dt-bindings: mailbox: tegra: Document Tegra264 HSP
Add the compatible string for the HSP block found on the Tegra264 SoC.
The HSP block in Tegra264 is not register compatible with the one in
Tegra194 or Tegra234 hence there is no fallback compatibility string.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Stefan Wahren [Sat, 17 Jun 2023 13:36:19 +0000 (15:36 +0200)]
dt-bindings: mailbox: convert bcm2835-mbox bindings to YAML
Convert the DT binding document for bcm2835-mbox from .txt to YAML.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Manikanta Mylavarapu [Sun, 21 May 2023 22:28:41 +0000 (03:58 +0530)]
dt-bindings: mailbox: qcom: Add IPQ5018 APCS compatible
Add compatible for the Qualcomm IPQ5018 APCS block.
Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>