Max Filippov [Sat, 23 Apr 2022 10:52:23 +0000 (03:52 -0700)]
xtensa: don't leave invalid TLB entry in fast_store_prohibited
When fast_store_prohibited needs to go to the C-level exception handler
it leaves TLB entry that caused page fault in the TLB. If the faulting
task gets switched to a different CPU and completes page table update
there the TLB entry will get out of sync with the page table which may
cause a livelock on access to that page.
Invalidate faulting TLB entry on a slow path exit from the
fast_store_prohibited.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Tue, 26 Apr 2022 14:46:45 +0000 (07:46 -0700)]
xtensa: fix declaration of _SecondaryResetVector_text_*
Secondary reset vector is defined, compiled and used when
CONFIG_SECONDARY_RESET_VECTOR is enabled, not only on SMP.
Make declarations of _SecondaryResetVector_text_* symbols available
accordingly.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Tue, 26 Apr 2022 16:01:18 +0000 (09:01 -0700)]
irqchip: irq-xtensa-mx: fix initial IRQ affinity
When irq-xtensa-mx chip is used in non-SMP configuration its
irq_set_affinity callback is not called leaving IRQ affinity set empty.
As a result IRQ delivery does not work in that configuration.
Initialize IRQ affinity of the xtensa MX interrupt distributor to CPU 0
for all external IRQ lines.
Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Mon, 25 Apr 2022 17:59:04 +0000 (10:59 -0700)]
xtensa: enable ARCH_HAS_DEBUG_VM_PGTABLE
xtensa kernels successfully build and run with
CONFIG_DEBUG_VM_PGTABLE=y, enable arch support for it.
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Wed, 20 Apr 2022 13:07:20 +0000 (06:07 -0700)]
xtensa: add hibernation support
Define ARCH_HIBERNATION_POSSIBLE in Kconfig and implement hibernation
callbacks.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Fri, 15 Apr 2022 10:05:31 +0000 (03:05 -0700)]
xtensa: support coprocessors on SMP
Current coprocessor support on xtensa only works correctly on
uniprocessor configurations. Make it work on SMP too and keep it lazy.
Make coprocessor_owner array per-CPU and move it to struct exc_table for
easy access from the fast_coprocessor exception handler. Allow task to
have live coprocessors only on single CPU, record this CPU number in the
struct thread_info::cp_owner_cpu. Change struct thread_info::cpenable
meaning to be 'coprocessors live on cp_owner_cpu'.
Introduce C-level coprocessor exception handler that flushes and
releases live coprocessors of the task taking 'coprocessor disabled'
exception and call it from the fast_coprocessor handler when the task
has live coprocessors on other CPU.
Make coprocessor_flush_all and coprocessor_release_all work correctly
when called from any CPU by sending IPI to the cp_owner_cpu. Add
function coprocessor_flush_release_all to do flush followed by release
atomically. Add function local_coprocessors_flush_release_all to flush
and release all coprocessors on the local CPU and use it to flush
coprocessor contexts from the CPU that goes offline.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Mon, 18 Apr 2022 07:14:00 +0000 (00:14 -0700)]
xtensa: get rid of stack frame in coprocessor_flush
coprocessor_flush is an ordinary function, it can use all registers.
Don't reserve stack frame for it and use a7 to preserve a0 around the
context saving call.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Mon, 18 Apr 2022 19:44:49 +0000 (12:44 -0700)]
xtensa: merge SAVE_CP_REGS_TAB and LOAD_CP_REGS_TAB
Both tables share the same offset field but the different function
pointers. Merge them into single table with 3-element entries to reduce
code and data duplication.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Mon, 25 Nov 2019 20:59:13 +0000 (12:59 -0800)]
xtensa: add xtensa_xsr macro
xtensa_xsr does the XSR instruction for the specified special register.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Fri, 4 Jan 2019 02:26:16 +0000 (18:26 -0800)]
xtensa: handle coprocessor exceptions in kernel mode
In order to let drivers use xtensa coprocessors on behalf of the calling
process the kernel must handle coprocessor exceptions from the kernel
mode the same way as from the user mode.
This is not sufficient to allow using coprocessors transparently in IRQ
or softirq context. Should such users exist they must be aware of the
context and do the right thing, e.g. preserve the coprocessor state and
resore it after use.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Thu, 14 Apr 2022 05:50:54 +0000 (22:50 -0700)]
xtensa: use callx0 opcode in fast_coprocessor
Instead of emulating call0 in fast_coprocessor use that opcode directly.
Use 'ret' instead of 'jx a0'.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Fri, 15 Apr 2022 09:59:33 +0000 (02:59 -0700)]
xtensa: clean up excsave1 initialization
Use xtensa_set_sr instead of inline assembly.
Rename local variable exc_table in early_trap_init to avoid conflict
with per-CPU variable of the same name.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Fri, 15 Apr 2022 09:50:17 +0000 (02:50 -0700)]
xtensa: clean up declarations in coprocessor.h
Drop 'extern' from all function declarations. Add parameter names in
declarations.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Thu, 21 Apr 2022 09:35:23 +0000 (02:35 -0700)]
xtensa: clean up exception handler prototypes
Exception handlers are currently passed as void pointers because they
may have one or two parameters. Only two handlers uses the second
parameter and it is available in the struct pt_regs anyway. Make all
handlers have only one parameter, introduce xtensa_exception_handler
type for handlers and use it in trap_set_handler.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Fri, 15 Apr 2022 09:47:04 +0000 (02:47 -0700)]
xtensa: clean up function declarations in traps.c
Drop 'extern' from all function declarations and move those that need to
be visible from traps.c to traps.h. Add 'asmlinkage' to declarations of
fucntions defined in assembly. Add 'static' to declarations and
definitions only used locally. Add argument names in declarations.
Drop unused second argument from do_multihit and do_page_fault.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Sat, 5 Oct 2019 06:33:31 +0000 (23:33 -0700)]
xtensa: enable KCSAN
Prefix arch-specific barrier macros with '__' to make use of instrumented
generic macros.
Prefix arch-specific bitops with 'arch_' to make use of instrumented
generic functions.
Provide stubs for 64-bit atomics when building with KCSAN.
Disable KCSAN instrumentation in arch/xtensa/boot.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Marco Elver <elver@google.com>
Max Filippov [Thu, 14 Apr 2022 03:40:10 +0000 (20:40 -0700)]
xtensa: enable HAVE_VIRT_CPU_ACCOUNTING_GEN
There's no direct cputime_t manipulation in the xtensa arch code, so
generic virt CPU accounting may be enabled.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Thu, 14 Apr 2022 03:41:12 +0000 (20:41 -0700)]
xtensa: enable context tracking
Put user exit context tracking call on the common kernel entry/exit path
(function calls are impossible at earlier kernel entry stages because
PS.EXCM is not cleared yet). Put user entry context tracking call on the
user exit path. Syscalls go through this common code too, so nothing
specific needs to be done for them.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Sat, 16 Apr 2022 06:53:38 +0000 (23:53 -0700)]
xtensa: use abi_* register names in the kernel exit code
Using plain register names is prone to errors when code is changed and
new calls are added between the register load and use. Change plain
register names to abi_* names in the call-heavy part of the kernel exit
code to clearly indicate what's supposed to be preserved and what's not.
Re-align code while at it.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Mon, 4 Apr 2022 04:29:46 +0000 (21:29 -0700)]
xtensa: move trace_hardirqs_off call back to entry.S
Context tracking call must be done after hardirq tracking call,
otherwise lockdep_assert_irqs_disabled called from rcu_eqs_exit gives
a warning. To avoid context tracking logic duplication for IRQ/exception
entry paths move trace_hardirqs_off call back to common entry code.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Sun, 17 Apr 2022 09:41:13 +0000 (02:41 -0700)]
xtensa: drop dead code from entry.S
KERNEL_STACK_OVERFLOW_CHECK is incomplete and have never been enabled.
Remove it.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Tue, 10 Dec 2019 22:23:49 +0000 (14:23 -0800)]
xtensa: noMMU: allow handling protection faults
Many xtensa CPU cores without full MMU still have memory protection
features capable of raising exceptions for invalid instruction
fetches/data access. Allow handling such exceptions. This improves
behavior of processes that pass invalid memory pointers to syscalls in
noMMU configs: in case of exception the kernel instead of killing the
process is now able to return -EINVAL from a syscall.
Introduce CONFIG_PFAULT that controls whether protection fault code is
enabled and register handlers for common memory protection exceptions
when it is enabled.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Wed, 23 Mar 2022 21:11:14 +0000 (14:11 -0700)]
xtensa: extract vmalloc_fault code into a function
Move full MMU-specific code into a separate function to isolate it from
more generic do_page_fault code. No functional changes.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Tue, 10 Dec 2019 02:12:18 +0000 (18:12 -0800)]
xtensa: move asid_cache from fault.c to mmu.c
asid_cache is only useful with full MMU, but fault.c is also useful with
MPU. Move asid_cache definition to MMU-specific source file.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Fri, 8 Apr 2022 08:22:34 +0000 (01:22 -0700)]
xtensa: iss: extract and constify network callbacks
Instead of storing pointers to callback functions in the
struct iss_net_private::tp move them to struct struct iss_net_ops and
store a const pointer to it. Make static const tuntap_ops structure with
tuntap callbacks and initialize tp.net_ops with it in the tuntap_probe.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Fri, 8 Apr 2022 08:56:53 +0000 (01:56 -0700)]
xtensa: iss: clean up per-device locking in network driver
Per-device locking in the ISS network driver is used to protect poll
timer and stats updates. Stat collection is not protected.
Remove per-device locking everywhere except the stats updates. Replace
ndo_get_stats callback with ndo_get_stats64 and use proper locking there
as well.
As a side effect this fixes possible deadlock between iss_net_close
and iss_net_timer.
Reported by: Duoming Zhou <duoming@zju.edu.cn>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Fri, 8 Apr 2022 12:15:16 +0000 (05:15 -0700)]
xtensa: iss: replace iss_net_set_mac with eth_mac_addr
iss_net_set_mac is just a copy of eth_mac_addr with pointless locking.
Drop this function and replace it with eth_mac_addr.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Fri, 8 Apr 2022 06:56:35 +0000 (23:56 -0700)]
xtensa: iss: drop opened_list logic from the network driver
opened_list is used to poll all opened devices in the timer callback,
but there's individual timer that is associated with each device.
Drop opened_list and only poll the device that is associated with the
timer in the timer callback.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Max Filippov [Sun, 10 Apr 2022 02:33:33 +0000 (19:33 -0700)]
xtensa: localize labels used in memmove
Internal labels in the memmove implementation don't need to be visible,
localize them by prefixing their names with '.L'.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Linus Torvalds [Sun, 1 May 2022 20:57:58 +0000 (13:57 -0700)]
Linux 5.18-rc5
Linus Torvalds [Sun, 1 May 2022 18:49:32 +0000 (11:49 -0700)]
Merge tag 'for-linus' of git://git./virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Take care of faults occuring between the PARange and IPA range by
injecting an exception
- Fix S2 faults taken from a host EL0 in protected mode
- Work around Oops caused by a PMU access from a 32bit guest when PMU
has been created. This is a temporary bodge until we fix it for
good.
x86:
- Fix potential races when walking host page table
- Fix shadow page table leak when KVM runs nested
- Work around bug in userspace when KVM synthesizes leaf 0x80000021
on older (pre-EPYC) or Intel processors
Generic (but affects only RISC-V):
- Fix bad user ABI for KVM_EXIT_SYSTEM_EVENT"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: work around QEMU issue with synthetic CPUID leaves
Revert "x86/mm: Introduce lookup_address_in_mm()"
KVM: x86/mmu: fix potential races when walking host page table
KVM: fix bad user ABI for KVM_EXIT_SYSTEM_EVENT
KVM: x86/mmu: Do not create SPTEs for GFNs that exceed host.MAXPHYADDR
KVM: arm64: Inject exception on out-of-IPA-range translation fault
KVM/arm64: Don't emulate a PMU for 32-bit guests if feature not set
KVM: arm64: Handle host stage-2 faults from 32-bit EL0
Linus Torvalds [Sun, 1 May 2022 17:03:36 +0000 (10:03 -0700)]
Merge tag 'x86_urgent_for_v5.18_rc5' of git://git./linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- A fix to disable PCI/MSI[-X] masking for XEN_HVM guests as that is
solely controlled by the hypervisor
- A build fix to make the function prototype (__warn()) as visible as
the definition itself
- A bunch of objtool annotation fixes which have accumulated over time
- An ORC unwinder fix to handle bad input gracefully
- Well, we thought the microcode gets loaded in time in order to
restore the microcode-emulated MSRs but we thought wrong. So there's
a fix for that to have the ordering done properly
- Add new Intel model numbers
- A spelling fix
* tag 'x86_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/pci/xen: Disable PCI/MSI[-X] masking for XEN_HVM guests
bug: Have __warn() prototype defined unconditionally
x86/Kconfig: fix the spelling of 'becoming' in X86_KERNEL_IBT config
objtool: Use offstr() to print address of missing ENDBR
objtool: Print data address for "!ENDBR" data warnings
x86/xen: Add ANNOTATE_NOENDBR to startup_xen()
x86/uaccess: Add ENDBR to __put_user_nocheck*()
x86/retpoline: Add ANNOTATE_NOENDBR for retpolines
x86/static_call: Add ANNOTATE_NOENDBR to static call trampoline
objtool: Enable unreachable warnings for CLANG LTO
x86,objtool: Explicitly mark idtentry_body()s tail REACHABLE
x86,objtool: Mark cpu_startup_entry() __noreturn
x86,xen,objtool: Add UNWIND hint
lib/strn*,objtool: Enforce user_access_begin() rules
MAINTAINERS: Add x86 unwinding entry
x86/unwind/orc: Recheck address range after stack info was updated
x86/cpu: Load microcode during restore_processor_state()
x86/cpu: Add new Alderlake and Raptorlake CPU model numbers
Linus Torvalds [Sun, 1 May 2022 16:34:54 +0000 (09:34 -0700)]
Merge tag 'objtool_urgent_for_v5.18_rc5' of git://git./linux/kernel/git/tip/tip
Pull objtool fixes from Borislav Petkov:
"A bunch of objtool fixes to improve unwinding, sibling call detection,
fallthrough detection and relocation handling of weak symbols when the
toolchain strips section symbols"
* tag 'objtool_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Fix code relocs vs weak symbols
objtool: Fix type of reloc::addend
objtool: Fix function fallthrough detection for vmlinux
objtool: Fix sibling call detection in alternatives
objtool: Don't set 'jump_dest' for sibling calls
x86/uaccess: Don't jump between functions
Linus Torvalds [Sun, 1 May 2022 16:30:47 +0000 (09:30 -0700)]
Merge tag 'irq_urgent_for_v5.18_rc5' of git://git./linux/kernel/git/tip/tip
Pull irq fix from Borislav Petkov:
- Fix locking when accessing device MSI descriptors
* tag 'irq_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
bus: fsl-mc-msi: Fix MSI descriptor mutex lock for msi_first_desc()
Linus Torvalds [Sat, 30 Apr 2022 17:24:21 +0000 (10:24 -0700)]
Merge tag 'driver-core-5.18-rc5' of git://git./linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are some small driver core and kernfs fixes for some reported
problems. They include:
- kernfs regression that is causing oopses in 5.17 and newer releases
- topology sysfs fixes for a few small reported problems.
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
kernfs: fix NULL dereferencing in kernfs_remove
topology: Fix up build warning in topology_is_visible()
arch_topology: Do not set llc_sibling if llc_id is invalid
topology: make core_mask include at least cluster_siblings
topology/sysfs: Hide PPIN on systems that do not support it.
Linus Torvalds [Sat, 30 Apr 2022 17:15:57 +0000 (10:15 -0700)]
Merge tag 'char-misc-5.18-rc5' of git://git./linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a small number of char/misc/other driver fixes for 5.18-rc5
Nothing major in here, this is mostly IIO driver fixes along with some
other small things:
- at25 driver fix for systems without a dma-able stack
- phy driver fixes for reported issues
- binder driver fixes for reported issues
All of these have been in linux-next without any reported problems"
* tag 'char-misc-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (31 commits)
eeprom: at25: Use DMA safe buffers
binder: Gracefully handle BINDER_TYPE_FDA objects with num_fds=0
binder: Address corner cases in deferred copy and fixup
phy: amlogic: fix error path in phy_g12a_usb3_pcie_probe()
iio: imu: inv_icm42600: Fix I2C init possible nack
iio: dac: ltc2688: fix voltage scale read
interconnect: qcom: sdx55: Drop IP0 interconnects
interconnect: qcom: sc7180: Drop IP0 interconnects
phy: ti: Add missing pm_runtime_disable() in serdes_am654_probe
phy: mapphone-mdm6600: Fix PM error handling in phy_mdm6600_probe
phy: ti: omap-usb2: Fix error handling in omap_usb2_enable_clocks
bus: mhi: host: pci_generic: Flush recovery worker during freeze
bus: mhi: host: pci_generic: Add missing poweroff() PM callback
phy: ti: tusb1210: Fix an error handling path in tusb1210_probe()
phy: samsung: exynos5250-sata: fix missing device put in probe error paths
phy: samsung: Fix missing of_node_put() in exynos_sata_phy_probe
phy: ti: Fix missing of_node_put in ti_pipe3_get_sysctrl()
phy: ti: tusb1210: Make tusb1210_chg_det_states static
iio:dac:ad3552r: Fix an IS_ERR() vs NULL check
iio: sx9324: Fix default precharge internal resistance register
...
Linus Torvalds [Sat, 30 Apr 2022 17:09:14 +0000 (10:09 -0700)]
Merge tag 'tty-5.18-rc5' of git://git./linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small serial driver fixes, and a larger number of GSM
line discipline fixes for 5.18-rc5.
These include:
- lots of tiny n_gsm fixes for issues to resolve a number of reported
problems. Seems that people are starting to actually use this code
again.
- 8250 driver fixes for some devices
- imx serial driver fix
- amba-pl011 driver fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (27 commits)
tty: n_gsm: fix sometimes uninitialized warning in gsm_dlci_modem_output()
serial: 8250: Correct the clock for EndRun PTP/1588 PCIe device
serial: 8250: Also set sticky MCR bits in console restoration
tty: n_gsm: fix software flow control handling
tty: n_gsm: fix invalid use of MSC in advanced option
tty: n_gsm: fix broken virtual tty handling
Revert "serial: sc16is7xx: Clear RS485 bits in the shutdown"
tty: n_gsm: fix missing update of modem controls after DLCI open
serial: 8250: Fix runtime PM for start_tx() for empty buffer
serial: imx: fix overrun interrupts in DMA mode
serial: amba-pl011: do not time out prematurely when draining tx fifo
tty: n_gsm: fix incorrect UA handling
tty: n_gsm: fix reset fifo race condition
tty: n_gsm: fix missing tty wakeup in convergence layer type 2
tty: n_gsm: fix wrong signal octets encoding in MSC
tty: n_gsm: fix wrong command frame length field encoding
tty: n_gsm: fix wrong command retry handling
tty: n_gsm: fix missing explicit ldisc flush
tty: n_gsm: fix wrong DLCI release order
tty: n_gsm: fix insufficient txframe size
...
Linus Torvalds [Sat, 30 Apr 2022 16:58:46 +0000 (09:58 -0700)]
Merge tag 'usb-5.18-rc5' of git://git./linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of small USB driver fixes for 5.18-rc5 for some
reported issues and new quirks. They include:
- dwc3 driver fixes
- xhci driver fixes
- typec driver fixes
- new usb-serial driver ids
- added new USB devices to existing quirk tables
- other tiny fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (31 commits)
usb: phy: generic: Get the vbus supply
usb: dwc3: gadget: Return proper request status
usb: dwc3: pci: add support for the Intel Meteor Lake-P
usb: dwc3: core: Only handle soft-reset in DCTL
usb: gadget: configfs: clear deactivation flag in configfs_composite_unbind()
usb: misc: eud: Fix an error handling path in eud_probe()
usb: core: Don't hold the device lock while sleeping in do_proc_control()
usb: dwc3: Try usb-role-switch first in dwc3_drd_init
usb: dwc3: core: Fix tx/rx threshold settings
usb: mtu3: fix USB 3.0 dual-role-switch from device to host
xhci: Enable runtime PM on second Alderlake controller
usb: dwc3: fix backwards compat with rockchip devices
dt-bindings: usb: samsung,exynos-usb2: add missing required reg
usb: misc: fix improper handling of refcount in uss720_probe()
USB: Fix ehci infinite suspend-resume loop issue in zhaoxin
usb: typec: tcpm: Fix undefined behavior due to shift overflowing the constant
usb: typec: rt1719: Fix build error without CONFIG_POWER_SUPPLY
usb: typec: ucsi: Fix role swapping
usb: typec: ucsi: Fix reuse of completion structure
usb: xhci: tegra:Fix PM usage reference leak of tegra_xusb_unpowergate_partitions
...
Linus Torvalds [Sat, 30 Apr 2022 16:47:59 +0000 (09:47 -0700)]
Merge tag 'scsi-fixes' of git://git./linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"One fix for an endless error loop with the target driver affecting
tapes"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: target: pscsi: Set SCF_TREAT_READ_AS_NORMAL flag only if there is valid data
Linus Torvalds [Fri, 29 Apr 2022 22:51:05 +0000 (15:51 -0700)]
Merge tag 'soc-fixes-5.18-3' of git://git./linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
- A fix for a regression caused by the previous set of bugfixes
changing tegra and at91 pinctrl properties.
More work is needed to figure out what this should actually be, but a
revert makes it work for the moment.
- Defconfig regression fixes for tegra after renamed symbols
- Build-time warning and static checker fixes for imx, op-tee, sunxi,
meson, at91, and omap
- More at91 DT fixes for audio, regulator and spi nodes
- A regression fix for Renesas Hyperflash memory probe
- A stability fix for amlogic boards, modifying the allowed cpufreq
states
- Multiple fixes for system suspend on omap2+
- DT fixes for various i.MX bugs
- A probe error fix for imx6ull-colibri MMC
- A MAINTAINERS file entry for samsung bug reports
* tag 'soc-fixes-5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (42 commits)
Revert "arm: dts: at91: Fix boolean properties with values"
bus: sunxi-rsb: Fix the return value of sunxi_rsb_device_create()
Revert "arm64: dts: tegra: Fix boolean properties with values"
arm64: dts: imx8mn-ddr4-evk: Describe the 32.768 kHz PMIC clock
ARM: dts: imx6ull-colibri: fix vqmmc regulator
MAINTAINERS: add Bug entry for Samsung and memory controller drivers
memory: renesas-rpc-if: Fix HF/OSPI data transfer in Manual Mode
ARM: dts: logicpd-som-lv: Fix wrong pinmuxing on OMAP35
ARM: dts: am3517-evm: Fix misc pinmuxing
ARM: dts: am33xx-l4: Add missing touchscreen clock properties
ARM: dts: Fix mmc order for omap3-gta04
ARM: dts: at91: fix pinctrl phandles
ARM: dts: at91: sama5d4_xplained: fix pinctrl phandle name
ARM: dts: at91: Describe regulators on at91sam9g20ek
ARM: dts: at91: Map MCLK for wm8731 on at91sam9g20ek
ARM: dts: at91: Fix boolean properties with values
ARM: dts: at91: use generic node name for dataflash
ARM: dts: at91: align SPI NOR node name with dtschema
ARM: dts: at91: sama7g5ek: Align the impedance of the QSPI0's HSIO and PCB lines
ARM: dts: at91: sama7g5ek: enable pull-up on flexcom3 console lines
...
Linus Torvalds [Fri, 29 Apr 2022 22:38:23 +0000 (15:38 -0700)]
Merge tag 'clk-fixes-for-linus' of git://git./linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A semi-large pile of clk driver fixes this time around.
Nothing is touching the core so these fixes are fairly well contained
to specific devices that use these clk drivers.
- Some Allwinner SoC fixes to gracefully handle errors and mark an
RTC clk as critical so that the RTC keeps ticking.
- Fix AXI bus clks and RTC clk design for Microchip PolarFire SoC
driver introduced this cycle. This has some devicetree bits acked
by riscv maintainers. We're fixing it now so that the prior
bindings aren't released in a major kernel version.
- Remove a reset on Microchip PolarFire SoCs that broke when enabling
CONFIG_PM.
- Set a min/max for the Qualcomm graphics clk. This got broken by the
clk rate range patches introduced this cycle"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: sunxi: sun9i-mmc: check return value after calling platform_get_resource()
clk: sunxi-ng: sun6i-rtc: Mark rtc-32k as critical
riscv: dts: microchip: reparent mpfs clocks
clk: microchip: mpfs: add RTCREF clock control
clk: microchip: mpfs: re-parent the configurable clocks
dt-bindings: rtc: add refclk to mpfs-rtc
dt-bindings: clk: mpfs: add defines for two new clocks
dt-bindings: clk: mpfs document msspll dri registers
riscv: dts: microchip: fix usage of fic clocks on mpfs
clk: microchip: mpfs: mark CLK_ATHENA as critical
clk: microchip: mpfs: fix parents for FIC clocks
clk: qcom: clk-rcg2: fix gfx3d frequency calculation
clk: microchip: mpfs: don't reset disabled peripherals
clk: sunxi-ng: fix not NULL terminated coccicheck error
Linus Torvalds [Fri, 29 Apr 2022 22:28:42 +0000 (15:28 -0700)]
Merge tag 'block-5.18-2022-04-29' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Revert of a patch that caused timestamp issues (Tejun)
- iocost warning fix (Tejun)
- bfq warning fix (Jan)
* tag 'block-5.18-2022-04-29' of git://git.kernel.dk/linux-block:
bfq: Fix warning in bfqq_request_over_limit()
Revert "block: inherit request start time from bio for BLK_CGROUP"
iocost: don't reset the inuse weight of under-weighted debtors
Linus Torvalds [Fri, 29 Apr 2022 21:51:57 +0000 (14:51 -0700)]
Merge tag 'io_uring-5.18-2022-04-29' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Pretty boring:
- three patches just adding reserved field checks (me, Eugene)
- Fixing a potential regression with IOPOLL caused by a block change
(Joseph)"
Boring is good.
* tag 'io_uring-5.18-2022-04-29' of git://git.kernel.dk/linux-block:
io_uring: check that data field is 0 in ringfd unregister
io_uring: fix uninitialized field in rw io_kiocb
io_uring: check reserved fields for recv/recvmsg
io_uring: check reserved fields for send/sendmsg
Linus Torvalds [Fri, 29 Apr 2022 21:47:17 +0000 (14:47 -0700)]
Merge tag 'random-5.18-rc5-for-linus' of git://git./linux/kernel/git/crng/random
Pull random number generator fixes from Jason Donenfeld:
- Eric noticed that the memmove() in crng_fast_key_erasure() was bogus,
so this has been changed to a memcpy() and the confusing situation
clarified with a detailed comment.
- [Half]SipHash documentation updates from Bagas and Eric, after Eric
pointed out that the use of HalfSipHash in random.c made a bit of the
text potentially misleading.
* tag 'random-5.18-rc5-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
Documentation: siphash: disambiguate HalfSipHash algorithm from hsiphash functions
Documentation: siphash: enclose HalfSipHash usage example in the literal block
Documentation: siphash: convert danger note to warning for HalfSipHash
random: document crng_fast_key_erasure() destination possibility
Linus Torvalds [Fri, 29 Apr 2022 21:37:35 +0000 (14:37 -0700)]
Merge tag 'ceph-for-5.18-rc5' of https://github.com/ceph/ceph-client
Pull ceph client fixes from Ilya Dryomov:
"A fix for a NULL dereference that turns out to be easily triggerable
by fsync (marked for stable) and a false positive WARN and snap_rwsem
locking fixups"
* tag 'ceph-for-5.18-rc5' of https://github.com/ceph/ceph-client:
ceph: fix possible NULL pointer dereference for req->r_session
ceph: remove incorrect session state check
ceph: get snap_rwsem read lock in handle_cap_export for ceph_add_cap
libceph: disambiguate cluster/pool full log message
Arnd Bergmann [Fri, 29 Apr 2022 21:09:49 +0000 (23:09 +0200)]
Revert "arm: dts: at91: Fix boolean properties with values"
This reverts commit
0dc23d1a8e17, which caused another regression
as the pinctrl code actually expects an integer value of 0 or 1
rather than a simple boolean property.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Paolo Bonzini [Fri, 29 Apr 2022 18:43:04 +0000 (14:43 -0400)]
KVM: x86: work around QEMU issue with synthetic CPUID leaves
Synthesizing AMD leaves up to 0x80000021 caused problems with QEMU,
which assumes the *host* CPUID[0x80000000].EAX is higher or equal
to what KVM_GET_SUPPORTED_CPUID reports.
This causes QEMU to issue bogus host CPUIDs when preparing the input
to KVM_SET_CPUID2. It can even get into an infinite loop, which is
only terminated by an abort():
cpuid_data is full, no space for cpuid(eax:0x8000001d,ecx:0x3e)
To work around this, only synthesize those leaves if 0x8000001d exists
on the host. The synthetic 0x80000021 leaf is mostly useful on Zen2,
which satisfies the condition.
Fixes:
f144c49e8c39 ("KVM: x86: synthesize CPUID leaf 0x80000021h if useful")
Reported-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Linus Torvalds [Fri, 29 Apr 2022 18:34:07 +0000 (11:34 -0700)]
Merge tag 'perf-tools-fixes-for-v5.18-2022-04-29' of git://git./linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix Intel PT (Processor Trace) timeless decoding with perf.data
directory.
- ARM SPE (Statistical Profiling Extensions) address fixes, for
synthesized events and for SPE events with physical addresses. Add a
simple 'perf test' entry to make sure this doesn't regress.
- Remove arch specific processing of kallsyms data to fixup symbol end
address, fixing excessive memory consumption in the annotation code.
* tag 'perf-tools-fixes-for-v5.18-2022-04-29' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf symbol: Remove arch__symbols__fixup_end()
perf symbol: Update symbols__fixup_end()
perf symbol: Pass is_kallsyms to symbols__fixup_end()
perf test: Add perf_event_attr test for Arm SPE
perf arm-spe: Fix SPE events with phys addresses
perf arm-spe: Fix addresses of synthesized SPE events
perf intel-pt: Fix timeless decoding with perf.data directory
Linus Torvalds [Fri, 29 Apr 2022 17:44:58 +0000 (10:44 -0700)]
Merge tag 'riscv-for-linus-5.18-rc5' of git://git./linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix to properly ensure a single CPU is running during patch_text().
- A defconfig update to include RPMSG_CTRL when RPMSG_CHAR was set,
necessary after a recent refactoring.
* tag 'riscv-for-linus-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: configs: Configs that had RPMSG_CHAR now get RPMSG_CTRL
riscv: patch_text: Fixup last cpu should be master
Linus Torvalds [Fri, 29 Apr 2022 17:36:47 +0000 (10:36 -0700)]
Merge tag 'arm64-fixes' of git://git./linux/kernel/git/arm64/linux
Pull arm64 fix from Will Deacon:
"Rename and reallocate the PT_ARM_MEMTAG_MTE ELF segment type.
This is a fix to the MTE ELF ABI for a bug that was added during the
most recent merge window as part of the coredump support.
The issue is that the value assigned to the new PT_ARM_MEMTAG_MTE
segment type has already been allocated to PT_AARCH64_UNWIND by the
ELF ABI, so we've bumped the value and changed the name of the
identifier to be better aligned with the existing one"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
elf: Fix the arm64 MTE ELF segment name and value
Sean Christopherson [Fri, 29 Apr 2022 14:57:53 +0000 (07:57 -0700)]
Revert "x86/mm: Introduce lookup_address_in_mm()"
Drop lookup_address_in_mm() now that KVM is providing it's own variant
of lookup_address_in_pgd() that is safe for use with user addresses, e.g.
guards against page tables being torn down. A variant that provides a
non-init mm is inherently dangerous and flawed, as the only reason to use
an mm other than init_mm is to walk a userspace mapping, and
lookup_address_in_pgd() does not play nice with userspace mappings, e.g.
doesn't disable IRQs to block TLB shootdowns and doesn't use READ_ONCE()
to ensure an upper level entry isn't converted to a huge page between
checking the PAGE_SIZE bit and grabbing the address of the next level
down.
This reverts commit
13c72c060f1ba6f4eddd7b1c4f52a8aded43d6d9.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <YmwIi3bXr/1yhYV/@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Fri, 29 Apr 2022 10:38:56 +0000 (06:38 -0400)]
Merge branch 'kvm-fixes-for-5.18-rc5' into HEAD
Fixes for (relatively) old bugs, to be merged in both the -rc and next
development trees:
* Fix potential races when walking host page table
* Fix bad user ABI for KVM_EXIT_SYSTEM_EVENT
* Fix shadow page table leak when KVM runs nested
Mingwei Zhang [Fri, 29 Apr 2022 03:17:57 +0000 (03:17 +0000)]
KVM: x86/mmu: fix potential races when walking host page table
KVM uses lookup_address_in_mm() to detect the hugepage size that the host
uses to map a pfn. The function suffers from several issues:
- no usage of READ_ONCE(*). This allows multiple dereference of the same
page table entry. The TOCTOU problem because of that may cause KVM to
incorrectly treat a newly generated leaf entry as a nonleaf one, and
dereference the content by using its pfn value.
- the information returned does not match what KVM needs; for non-present
entries it returns the level at which the walk was terminated, as long
as the entry is not 'none'. KVM needs level information of only 'present'
entries, otherwise it may regard a non-present PXE entry as a present
large page mapping.
- the function is not safe for mappings that can be torn down, because it
does not disable IRQs and because it returns a PTE pointer which is never
safe to dereference after the function returns.
So implement the logic for walking host page tables directly in KVM, and
stop using lookup_address_in_mm().
Cc: Sean Christopherson <seanjc@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Mingwei Zhang <mizhang@google.com>
Message-Id: <
20220429031757.2042406-1-mizhang@google.com>
[Inline in host_pfn_mapping_level, ensure no semantic change for its
callers. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Fri, 22 Apr 2022 10:30:13 +0000 (12:30 +0200)]
KVM: fix bad user ABI for KVM_EXIT_SYSTEM_EVENT
When KVM_EXIT_SYSTEM_EVENT was introduced, it included a flags
member that at the time was unused. Unfortunately this extensibility
mechanism has several issues:
- x86 is not writing the member, so it would not be possible to use it
on x86 except for new events
- the member is not aligned to 64 bits, so the definition of the
uAPI struct is incorrect for 32- on 64-bit userspace. This is a
problem for RISC-V, which supports CONFIG_KVM_COMPAT, but fortunately
usage of flags was only introduced in 5.18.
Since padding has to be introduced, place a new field in there
that tells if the flags field is valid. To allow further extensibility,
in fact, change flags to an array of 16 values, and store how many
of the values are valid. The availability of the new ndata field
is tied to a system capability; all architectures are changed to
fill in the field.
To avoid breaking compilation of userspace that was using the flags
field, provide a userspace-only union to overlap flags with data[0].
The new field is placed at the same offset for both 32- and 64-bit
userspace.
Cc: Will Deacon <will@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Peter Gonda <pgonda@google.com>
Cc: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reported-by: kernel test robot <lkp@intel.com>
Message-Id: <
20220422103013.34832-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Sean Christopherson [Thu, 28 Apr 2022 23:34:16 +0000 (23:34 +0000)]
KVM: x86/mmu: Do not create SPTEs for GFNs that exceed host.MAXPHYADDR
Disallow memslots and MMIO SPTEs whose gpa range would exceed the host's
MAXPHYADDR, i.e. don't create SPTEs for gfns that exceed host.MAXPHYADDR.
The TDP MMU bounds its zapping based on host.MAXPHYADDR, and so if the
guest, possibly with help from userspace, manages to coerce KVM into
creating a SPTE for an "impossible" gfn, KVM will leak the associated
shadow pages (page tables):
WARNING: CPU: 10 PID: 1122 at arch/x86/kvm/mmu/tdp_mmu.c:57
kvm_mmu_uninit_tdp_mmu+0x4b/0x60 [kvm]
Modules linked in: kvm_intel kvm irqbypass
CPU: 10 PID: 1122 Comm: set_memory_regi Tainted: G W 5.18.0-rc1+ #293
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015
RIP: 0010:kvm_mmu_uninit_tdp_mmu+0x4b/0x60 [kvm]
Call Trace:
<TASK>
kvm_arch_destroy_vm+0x130/0x1b0 [kvm]
kvm_destroy_vm+0x162/0x2d0 [kvm]
kvm_vm_release+0x1d/0x30 [kvm]
__fput+0x82/0x240
task_work_run+0x5b/0x90
exit_to_user_mode_prepare+0xd2/0xe0
syscall_exit_to_user_mode+0x1d/0x40
entry_SYSCALL_64_after_hwframe+0x44/0xae
</TASK>
On bare metal, encountering an impossible gpa in the page fault path is
well and truly impossible, barring CPU bugs, as the CPU will signal #PF
during the gva=>gpa translation (or a similar failure when stuffing a
physical address into e.g. the VMCS/VMCB). But if KVM is running as a VM
itself, the MAXPHYADDR enumerated to KVM may not be the actual MAXPHYADDR
of the underlying hardware, in which case the hardware will not fault on
the illegal-from-KVM's-perspective gpa.
Alternatively, KVM could continue allowing the dodgy behavior and simply
zap the max possible range. But, for hosts with MAXPHYADDR < 52, that's
a (minor) waste of cycles, and more importantly, KVM can't reasonably
support impossible memslots when running on bare metal (or with an
accurate MAXPHYADDR as a VM). Note, limiting the overhead by checking if
KVM is running as a guest is not a safe option as the host isn't required
to announce itself to the guest in any way, e.g. doesn't need to set the
HYPERVISOR CPUID bit.
A second alternative to disallowing the memslot behavior would be to
disallow creating a VM with guest.MAXPHYADDR > host.MAXPHYADDR. That
restriction is undesirable as there are legitimate use cases for doing
so, e.g. using the highest host.MAXPHYADDR out of a pool of heterogeneous
systems so that VMs can be migrated between hosts with different
MAXPHYADDRs without running afoul of the allow_smaller_maxphyaddr mess.
Note that any guest.MAXPHYADDR is valid with shadow paging, and it is
even useful in order to test KVM with MAXPHYADDR=52 (i.e. without
any reserved physical address bits).
The now common kvm_mmu_max_gfn() is inclusive instead of exclusive.
The memslot and TDP MMU code want an exclusive value, but the name
implies the returned value is inclusive, and the MMIO path needs an
inclusive check.
Fixes:
faaf05b00aec ("kvm: x86/mmu: Support zapping SPTEs in the TDP MMU")
Fixes:
524a1e4e381f ("KVM: x86/mmu: Don't leak non-leaf SPTEs when zapping all SPTEs")
Cc: stable@vger.kernel.org
Cc: Maxim Levitsky <mlevitsk@redhat.com>
Cc: Ben Gardon <bgardon@google.com>
Cc: David Matlack <dmatlack@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <
20220428233416.2446833-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Fri, 29 Apr 2022 16:32:14 +0000 (12:32 -0400)]
Merge tag 'kvmarm-fixes-5.18-2' of git://git./linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.18, take #2
- Take care of faults occuring between the PARange and
IPA range by injecting an exception
- Fix S2 faults taken from a host EL0 in protected mode
- Work around Oops caused by a PMU access from a 32bit
guest when PMU has been created. This is a temporary
bodge until we fix it for good.
Arnd Bergmann [Fri, 29 Apr 2022 14:41:21 +0000 (16:41 +0200)]
Merge tag 'tegra-for-5.18-arm-defconfig-fixes' of git://git./linux/kernel/git/tegra/linux into arm/fixes
ARM: tegra: Default configuration fixes for v5.18
This contains two updates to the default configuration needed because of
a Kconfig symbol name change. This fixes a failure that was detected in
the NVIDIA automated test farm.
* tag 'tegra-for-5.18-arm-defconfig-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: config: multi v7: Enable NVIDIA Tegra video decoder driver
ARM: tegra_defconfig: Update CONFIG_TEGRA_VDE option
Link: https://lore.kernel.org/r/20220429080626.494150-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Eugene Syromiatnikov [Fri, 29 Apr 2022 14:22:18 +0000 (16:22 +0200)]
io_uring: check that data field is 0 in ringfd unregister
Only allow data field to be 0 in struct io_uring_rsrc_update user
arguments to allow for future possible usage.
Fixes:
e7a6c00dc77a ("io_uring: add support for registering ring file descriptors")
Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
Link: https://lore.kernel.org/r/20220429142218.GA28696@asgard.redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Arnd Bergmann [Fri, 29 Apr 2022 14:23:30 +0000 (16:23 +0200)]
Merge tag 'imx-fixes-5.18-2' of git://git./linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.18, 2nd round:
- Fix one sparse warning on imx-weim driver.
- Fix vqmmc regulator to get UHS-I mode work on imx6ull-colibri board.
- Add missing 32.768 kHz PMIC clock for imx8mn-ddr4-evk board to fix
bd718xx-clk probe error.
* tag 'imx-fixes-5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: imx8mn-ddr4-evk: Describe the 32.768 kHz PMIC clock
ARM: dts: imx6ull-colibri: fix vqmmc regulator
bus: imx-weim: make symbol 'weim_of_notifier' static
Link: https://lore.kernel.org/r/20220426013427.GB14615@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Arnd Bergmann [Fri, 29 Apr 2022 14:23:00 +0000 (16:23 +0200)]
Merge tag 'sunxi-fixes-for-5.18-1' of git://git./linux/kernel/git/sunxi/linux into arm/fixes
Fix return value in RSB bus driver
* tag 'sunxi-fixes-for-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
bus: sunxi-rsb: Fix the return value of sunxi_rsb_device_create()
Link: https://lore.kernel.org/r/Ymbkd+/dDmRJz66w@kista.localdomain
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Jan Kara [Thu, 7 Apr 2022 14:07:38 +0000 (16:07 +0200)]
bfq: Fix warning in bfqq_request_over_limit()
People are occasionally reporting a warning bfqq_request_over_limit()
triggering reporting that BFQ's idea of cgroup hierarchy (and its depth)
does not match what generic blkcg code thinks. This can actually happen
when bfqq gets moved between BFQ groups while bfqq_request_over_limit()
is running. Make sure the code is safe against BFQ queue being moved to
a different BFQ group.
Fixes:
76f1df88bbc2 ("bfq: Limit number of requests consumed by each cgroup")
CC: stable@vger.kernel.org
Link: https://lore.kernel.org/all/CAJCQCtTw_2C7ZSz7as5Gvq=OmnDiio=HRkQekqWpKot84sQhFA@mail.gmail.com/
Reported-by: Chris Murphy <lists@colorremedies.com>
Reported-by: "yukuai (C)" <yukuai3@huawei.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220407140738.9723-1-jack@suse.cz
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Thomas Gleixner [Thu, 28 Apr 2022 13:50:54 +0000 (15:50 +0200)]
x86/pci/xen: Disable PCI/MSI[-X] masking for XEN_HVM guests
When a XEN_HVM guest uses the XEN PIRQ/Eventchannel mechanism, then
PCI/MSI[-X] masking is solely controlled by the hypervisor, but contrary to
XEN_PV guests this does not disable PCI/MSI[-X] masking in the PCI/MSI
layer.
This can lead to a situation where the PCI/MSI layer masks an MSI[-X]
interrupt and the hypervisor grants the write despite the fact that it
already requested the interrupt. As a consequence interrupt delivery on the
affected device is not happening ever.
Set pci_msi_ignore_mask to prevent that like it's done for XEN_PV guests
already.
Fixes:
809f9267bbab ("xen: map MSIs into pirqs")
Reported-by: Jeremi Piotrowski <jpiotrowski@linux.microsoft.com>
Reported-by: Dusty Mabe <dustymabe@redhat.com>
Reported-by: Salvatore Bonaccorso <carnil@debian.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Noah Meyerhans <noahm@debian.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/87tuaduxj5.ffs@tglx
Linus Torvalds [Fri, 29 Apr 2022 01:00:34 +0000 (18:00 -0700)]
Merge tag 'drm-fixes-2022-04-29' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Another relatively quiet week, amdgpu leads the way, some i915 display
fixes, and a single sunxi fix.
amdgpu:
- Runtime pm fix
- DCN memory leak fix in error path
- SI DPM deadlock fix
- S0ix fix
amdkfd:
- GWS fix
- GWS support for CRIU
i915:
- Fix #5284: Backlight control regression on XMG Core 15 e21
- Fix black display plane on Acer One AO532h
- Two smaller display fixes
sunxi:
- Single fix removing applying PHYS_OFFSET twice"
* tag 'drm-fixes-2022-04-29' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: keep mmhub clock gating being enabled during s2idle suspend
drm/amd/pm: fix the deadlock issue observed on SI
drm/amd/display: Fix memory leak in dcn21_clock_source_create
drm/amdgpu: don't runtime suspend if there are displays attached (v3)
drm/amdkfd: CRIU add support for GWS queues
drm/amdkfd: Fix GWS queue count
drm/sun4i: Remove obsolete references to PHYS_OFFSET
drm/i915/fbc: Consult hw.crtc instead of uapi.crtc
drm/i915: Fix SEL_FETCH_PLANE_*(PIPE_B+) register addresses
drm/i915: Check EDID for HDR static metadata when choosing blc
drm/i915: Fix DISP_POS_Y and DISP_HEIGHT defines
Dave Airlie [Fri, 29 Apr 2022 00:27:04 +0000 (10:27 +1000)]
Merge tag 'amd-drm-fixes-5.18-2022-04-27' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.18-2022-04-27:
amdgpu:
- Runtime pm fix
- DCN memory leak fix in error path
- SI DPM deadlock fix
- S0ix fix
amdkfd:
- GWS fix
- GWS support for CRIU
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220428023232.5794-1-alexander.deucher@amd.com
Dave Airlie [Fri, 29 Apr 2022 00:17:46 +0000 (10:17 +1000)]
Merge tag 'drm-intel-fixes-2022-04-28' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix #5284: Backlight control regression on XMG Core 15 e21
- Fix black display plane on Acer One AO532h
- Two smaller display fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Ymotel5VfZUrJahf@jlahtine-mobl.ger.corp.intel.com
Dave Airlie [Fri, 29 Apr 2022 00:02:04 +0000 (10:02 +1000)]
Merge tag 'drm-misc-fixes-2022-04-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v5.18-rc5:
- Single fix removing applying PHYS_OFFSET twice in sunxi.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f692bb62-5620-1868-91b7-dffb8d6f9175@linux.intel.com
Linus Torvalds [Thu, 28 Apr 2022 19:34:50 +0000 (12:34 -0700)]
Merge tag 'net-5.18-rc5' of git://git./linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth, bpf and netfilter.
Current release - new code bugs:
- bridge: switchdev: check br_vlan_group() return value
- use this_cpu_inc() to increment net->core_stats, fix preempt-rt
Previous releases - regressions:
- eth: stmmac: fix write to sgmii_adapter_base
Previous releases - always broken:
- netfilter: nf_conntrack_tcp: re-init for syn packets only,
resolving issues with TCP fastopen
- tcp: md5: fix incorrect tcp_header_len for incoming connections
- tcp: fix F-RTO may not work correctly when receiving DSACK
- tcp: ensure use of most recently sent skb when filling rate samples
- tcp: fix potential xmit stalls caused by TCP_NOTSENT_LOWAT
- virtio_net: fix wrong buf address calculation when using xdp
- xsk: fix forwarding when combining copy mode with busy poll
- xsk: fix possible crash when multiple sockets are created
- bpf: lwt: fix crash when using bpf_skb_set_tunnel_key() from
bpf_xmit lwt hook
- sctp: null-check asoc strreset_chunk in sctp_generate_reconf_event
- wireguard: device: check for metadata_dst with skb_valid_dst()
- netfilter: update ip6_route_me_harder to consider L3 domain
- gre: make o_seqno start from 0 in native mode
- gre: switch o_seqno to atomic to prevent races in collect_md mode
Misc:
- add Eric Dumazet to networking maintainers
- dt: dsa: realtek: remove realtek,rtl8367s string
- netfilter: flowtable: Remove the empty file"
* tag 'net-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits)
tcp: fix F-RTO may not work correctly when receiving DSACK
Revert "ibmvnic: Add ethtool private flag for driver-defined queue limits"
net: enetc: allow tc-etf offload even with NETIF_F_CSUM_MASK
ixgbe: ensure IPsec VF<->PF compatibility
MAINTAINERS: Update BNXT entry with firmware files
netfilter: nft_socket: only do sk lookups when indev is available
net: fec: add missing of_node_put() in fec_enet_init_stop_mode()
bnx2x: fix napi API usage sequence
tls: Skip tls_append_frag on zero copy size
Add Eric Dumazet to networking maintainers
netfilter: conntrack: fix udp offload timeout sysctl
netfilter: nf_conntrack_tcp: re-init for syn packets only
net: dsa: lantiq_gswip: Don't set GSWIP_MII_CFG_RMII_CLK
net: Use this_cpu_inc() to increment net->core_stats
Bluetooth: hci_sync: Cleanup hci_conn if it cannot be aborted
Bluetooth: hci_event: Fix creating hci_conn object on error status
Bluetooth: hci_event: Fix checking for invalid handle on error status
ice: fix use-after-free when deinitializing mailbox snapshot
ice: wait 5 s for EMP reset after firmware flash
ice: Protect vf_state check by cfg_lock in ice_vc_process_vf_msg()
...
Joseph Ravichandran [Thu, 28 Apr 2022 16:57:52 +0000 (12:57 -0400)]
io_uring: fix uninitialized field in rw io_kiocb
io_rw_init_file does not initialize kiocb->private, so when iocb_bio_iopoll
reads kiocb->private it can contain uninitialized data.
Fixes:
3e08773c3841 ("block: switch polling to be bio based")
Signed-off-by: Joseph Ravichandran <jravi@mit.edu>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Linus Torvalds [Thu, 28 Apr 2022 18:57:00 +0000 (11:57 -0700)]
Merge tag 'thermal-5.18-rc5' of git://git./linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These take back recent chages that started to confuse users and fix up
an attr.show callback prototype in a driver.
Specifics:
- Stop warning about deprecation of the userspace thermal governor
and cooling device status interface, because there are cases in
which user space has to drive thermal management with the help of
them (Daniel Lezcano)
- Fix attr.show callback prototype in the int340x thermal driver
(Kees Cook)"
* tag 'thermal-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal/governor: Remove deprecated information
Revert "thermal/core: Deprecate changing cooling device state from userspace"
thermal: int340x: Fix attr.show callback prototype
Linus Torvalds [Thu, 28 Apr 2022 18:50:21 +0000 (11:50 -0700)]
Merge tag 'pm-5.18-rc5' of git://git./linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix up recent intel_idle driver changes and fix some ARM cpufreq
driver issues.
Specifics:
- Fix issues with the Qualcomm's cpufreq driver (Dmitry Baryshkov,
Vladimir Zapolskiy).
- Fix memory leak with the Sun501 driver (Xiaobing Luo).
- Make intel_idle enable C1E promotion on all CPUs when C1E is
preferred to C1 (Artem Bityutskiy).
- Make C6 optimization on Sapphire Rapids added recently work as
expected if both C1E and C1 are "preferred" (Artem Bityutskiy)"
* tag 'pm-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
intel_idle: Fix SPR C6 optimization
intel_idle: Fix the 'preferred_cstates' module parameter
cpufreq: qcom-cpufreq-hw: Clear dcvs interrupts
cpufreq: fix memory leak in sun50i_cpufreq_nvmem_probe
cpufreq: qcom-cpufreq-hw: Fix throttle frequency value on EPSS platforms
cpufreq: qcom-hw: provide online/offline operations
cpufreq: qcom-hw: fix the opp entries refcounting
cpufreq: qcom-hw: fix the race between LMH worker and cpuhp
cpufreq: qcom-hw: drop affinity hint before freeing the IRQ
Linus Torvalds [Thu, 28 Apr 2022 18:37:20 +0000 (11:37 -0700)]
Merge tag 'acpi-5.18-rc5' of git://git./linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael WysockiL
"These fix up the ACPI processor driver after a change made during the
5.16 cycle that inadvertently broke falling back to shallower C-states
when C3 cannot be used.
Specifics:
- Make the ACPI processor driver avoid falling back to C3 type of
C-states when C3 cannot be requested (Ville Syrjälä)
- Revert a quirk that is not necessary any more after fixing the
underlying issue properly (Ville Syrjälä)"
* tag 'acpi-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI: processor: idle: fix lockup regression on 32-bit ThinkPad T40"
ACPI: processor: idle: Avoid falling back to C3 type C-states
Linus Torvalds [Thu, 28 Apr 2022 18:13:00 +0000 (11:13 -0700)]
Merge tag 'platform-drivers-x86-v5.18-3' of git://git./linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Highlights:
- asus-wmi bug-fixes
- intel-sdsu bug-fixes
- build (warning) fixes
- couple of hw-id additions"
* tag 'platform-drivers-x86-v5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/intel: pmc/core: change pmc_lpm_modes to static
platform/x86/intel/sdsi: Fix bug in multi packet reads
platform/x86/intel/sdsi: Poll on ready bit for writes
platform/x86/intel/sdsi: Handle leaky bucket
platform/x86: intel-uncore-freq: Prevent driver loading in guests
platform/x86: gigabyte-wmi: added support for B660 GAMING X DDR4 motherboard
platform/x86: dell-laptop: Add quirk entry for Latitude 7520
platform/x86: asus-wmi: Fix driver not binding when fan curve control probe fails
platform/x86: asus-wmi: Potential buffer overflow in asus_wmi_evaluate_method_buf()
tools/power/x86/intel-speed-select: fix build failure when using -Wl,--as-needed
Linus Torvalds [Thu, 28 Apr 2022 18:07:49 +0000 (11:07 -0700)]
Merge tag 'regulator-fix-v5.18-rc4' of git://git./linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"A minor fix for the DT binding documentation of the rt5190a driver"
* tag 'regulator-fix-v5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: dt-bindings: Revise the rt5190a buck/ldo description
Pengcheng Yang [Tue, 26 Apr 2022 10:03:39 +0000 (18:03 +0800)]
tcp: fix F-RTO may not work correctly when receiving DSACK
Currently DSACK is regarded as a dupack, which may cause
F-RTO to incorrectly enter "loss was real" when receiving
DSACK.
Packetdrill to demonstrate:
// Enable F-RTO and TLP
0 `sysctl -q net.ipv4.tcp_frto=2`
0 `sysctl -q net.ipv4.tcp_early_retrans=3`
0 `sysctl -q net.ipv4.tcp_congestion_control=cubic`
// Establish a connection
+0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
+0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
+0 bind(3, ..., ...) = 0
+0 listen(3, 1) = 0
// RTT 10ms, RTO 210ms
+.1 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
+0 > S. 0:0(0) ack 1 <...>
+.01 < . 1:1(0) ack 1 win 257
+0 accept(3, ..., ...) = 4
// Send 2 data segments
+0 write(4, ..., 2000) = 2000
+0 > P. 1:2001(2000) ack 1
// TLP
+.022 > P. 1001:2001(1000) ack 1
// Continue to send 8 data segments
+0 write(4, ..., 10000) = 10000
+0 > P. 2001:10001(8000) ack 1
// RTO
+.188 > . 1:1001(1000) ack 1
// The original data is acked and new data is sent(F-RTO step 2.b)
+0 < . 1:1(0) ack 2001 win 257
+0 > P. 10001:12001(2000) ack 1
// D-SACK caused by TLP is regarded as a dupack, this results in
// the incorrect judgment of "loss was real"(F-RTO step 3.a)
+.022 < . 1:1(0) ack 2001 win 257 <sack 1001:2001,nop,nop>
// Never-retransmitted data(3001:4001) are acked and
// expect to switch to open state(F-RTO step 3.b)
+0 < . 1:1(0) ack 4001 win 257
+0 %{ assert tcpi_ca_state == 0, tcpi_ca_state }%
Fixes:
e33099f96d99 ("tcp: implement RFC5682 F-RTO")
Signed-off-by: Pengcheng Yang <yangpc@wangsu.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Tested-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/1650967419-2150-1-git-send-email-yangpc@wangsu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Jakub Kicinski [Thu, 28 Apr 2022 16:55:59 +0000 (09:55 -0700)]
Merge git://git./linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
1) Fix incorrect TCP connection tracking window reset for non-syn
packets, from Florian Westphal.
2) Incorrect dependency on CONFIG_NFT_FLOW_OFFLOAD, from Volodymyr Mytnyk.
3) Fix nft_socket from the output path, from Florian Westphal.
* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nft_socket: only do sk lookups when indev is available
netfilter: conntrack: fix udp offload timeout sysctl
netfilter: nf_conntrack_tcp: re-init for syn packets only
====================
Link: https://lore.kernel.org/r/20220428142109.38726-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linus Torvalds [Thu, 28 Apr 2022 16:50:29 +0000 (09:50 -0700)]
Merge tag 'gfs2-v5.18-rc4-fix2' of git://git./linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fix from Andreas Gruenbacher:
- No short reads or writes upon glock contention
* tag 'gfs2-v5.18-rc4-fix2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: No short reads or writes upon glock contention
Dany Madden [Wed, 27 Apr 2022 23:51:46 +0000 (18:51 -0500)]
Revert "ibmvnic: Add ethtool private flag for driver-defined queue limits"
This reverts commit
723ad916134784b317b72f3f6cf0f7ba774e5dae
When client requests channel or ring size larger than what the server
can support the server will cap the request to the supported max. So,
the client would not be able to successfully request resources that
exceed the server limit.
Fixes:
723ad9161347 ("ibmvnic: Add ethtool private flag for driver-defined queue limits")
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Link: https://lore.kernel.org/r/20220427235146.23189-1-drt@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Vladimir Oltean [Wed, 27 Apr 2022 20:30:17 +0000 (23:30 +0300)]
net: enetc: allow tc-etf offload even with NETIF_F_CSUM_MASK
The Time-Specified Departure feature is indeed mutually exclusive with
TX IP checksumming in ENETC, but TX checksumming in itself is broken and
was removed from this driver in commit
82728b91f124 ("enetc: Remove Tx
checksumming offload code").
The blamed commit declared NETIF_F_HW_CSUM in dev->features to comply
with software TSO's expectations, and still did the checksumming in
software by calling skb_checksum_help(). So there isn't any restriction
for the Time-Specified Departure feature.
However, enetc_setup_tc_txtime() doesn't understand that, and blindly
looks for NETIF_F_CSUM_MASK.
Instead of checking for things which can literally never happen in the
current code base, just remove the check and let the driver offload
tc-etf qdiscs.
Fixes:
acede3c5dad5 ("net: enetc: declare NETIF_F_HW_CSUM and do it in software")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20220427203017.1291634-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Leon Romanovsky [Wed, 27 Apr 2022 17:31:52 +0000 (10:31 -0700)]
ixgbe: ensure IPsec VF<->PF compatibility
The VF driver can forward any IPsec flags and such makes the function
is not extendable and prone to backward/forward incompatibility.
If new software runs on VF, it won't know that PF configured something
completely different as it "knows" only XFRM_OFFLOAD_INBOUND flag.
Fixes:
eda0333ac293 ("ixgbe: add VF IPsec management")
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Shannon Nelson <snelson@pensando.io>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://lore.kernel.org/r/20220427173152.443102-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linus Torvalds [Thu, 28 Apr 2022 16:37:56 +0000 (09:37 -0700)]
Merge tag 'xfs-5.18-fixes-1' of git://git./fs/xfs/xfs-linux
Pull xfs fixes from Dave Chinner:
- define buffer bit flags as unsigned to fix gcc-5 + c11 warnings
- remove redundant XFS fields from MAINTAINERS
- fix inode buffer locking order regression
* tag 'xfs-5.18-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: reorder iunlink remove operation in xfs_ifree
MAINTAINERS: update IOMAP FILESYSTEM LIBRARY and XFS FILESYSTEM
xfs: convert buffer flags to unsigned.
Florian Fainelli [Wed, 27 Apr 2022 16:36:06 +0000 (09:36 -0700)]
MAINTAINERS: Update BNXT entry with firmware files
There appears to be a maintainer gap for BNXT TEE firmware files which
causes some patches to be missed. Update the entry for the BNXT Ethernet
controller with its companion firmware files.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20220427163606.126154-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Rafael J. Wysocki [Thu, 28 Apr 2022 14:51:24 +0000 (16:51 +0200)]
Merge branch 'thermal-int340x'
Merge a fix for the attr.show callback prototype in the int340x thermal
driver (Kees Cook).
* thermal-int340x:
thermal: int340x: Fix attr.show callback prototype
Greg Kroah-Hartman [Thu, 28 Apr 2022 14:35:55 +0000 (16:35 +0200)]
Merge tag 'iio-fixes-for-5.18a' of https://git./linux/kernel/git/jic23/iio
Pull set of IIO fixes for 5.18 from Jonathan Cameron:
"1st set of IIO fixes for the 5.18 cycle
ad3552r:
- Fix a bug with error codes being stored in unsigned local variable.
- Fix IS_ERR when value is either NULL or not rather than ERR_PTR
ad5446
- Fix shifting of read_raw value.
ad5592r
- Fix missing return value being set for a fwnode property read.
ad7280a
- Wrong variable being used to set thresholds.
admv8818
- Kconfig dependency fix.
ak8975
- Missing regulator disable in error path.
bmi160
- Disable regulators in an error path.
dac5571
- Fix chip id detection for devices with OF bindings.
inv_icm42600
- Handle a case of a missing I2C NACK during initially configuration.
ltc2688
- Fix voltage scaling where integer part was written twice and
decimal part not at all.
scd4x
- Handle error before using value.
sx9310
- Device property parsing against indio_dev->dev.of_node which
hasn't been set yet.
sx9324
- Fix hardware gain related maths.
- Wrong defaults for precharge internal resistance register."
* tag 'iio-fixes-for-5.18a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: imu: inv_icm42600: Fix I2C init possible nack
iio: dac: ltc2688: fix voltage scale read
iio:dac:ad3552r: Fix an IS_ERR() vs NULL check
iio: sx9324: Fix default precharge internal resistance register
iio: dac: ad5446: Fix read_raw not returning set value
iio: magnetometer: ak8975: Fix the error handling in ak8975_power_on()
iio:proximity:sx9324: Fix hardware gain read/write
iio:proximity:sx_common: Fix device property parsing on DT systems
iio: adc: ad7280a: Fix wrong variable used when setting thresholds.
iio:filter:admv8818: select REGMAP_SPI for ADMV8818
iio: dac: ad5592r: Fix the missing return value.
iio: dac: dac5571: Fix chip id detection for OF devices
iio:imu:bmi160: disable regulator in error path
iio: scd4x: check return of scd4x_write_and_fetch
iio: dac: ad3552r: fix signedness bug in ad3552r_reset()
Florian Westphal [Thu, 28 Apr 2022 07:39:21 +0000 (09:39 +0200)]
netfilter: nft_socket: only do sk lookups when indev is available
Check if the incoming interface is available and NFT_BREAK
in case neither skb->sk nor input device are set.
Because nf_sk_lookup_slow*() assume packet headers are in the
'in' direction, use in postrouting is not going to yield a meaningful
result. Same is true for the forward chain, so restrict the use
to prerouting, input and output.
Use in output work if a socket is already attached to the skb.
Fixes:
554ced0a6e29 ("netfilter: nf_tables: add support for native socket matching")
Reported-and-tested-by: Topi Miettinen <toiwoton@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Rafael J. Wysocki [Thu, 28 Apr 2022 14:09:50 +0000 (16:09 +0200)]
Merge branch 'pm-cpuidle'
Merge cpuidle fixes for 5.18-rc5:
- Make intel_idle enable C1E promotion on all CPUs when C1E is
preferred to C1 (Artem Bityutskiy).
- Make C6 optimization on Sapphire Rapids added recently work as
expected if both C1E and C1 are "preferred" (Artem Bityutskiy).
* pm-cpuidle:
intel_idle: Fix SPR C6 optimization
intel_idle: Fix the 'preferred_cstates' module parameter
Namhyung Kim [Sat, 16 Apr 2022 00:40:48 +0000 (17:40 -0700)]
perf symbol: Remove arch__symbols__fixup_end()
Now the generic code can handle kallsyms fixup properly so no need to
keep the arch-functions anymore.
Fixes:
3cf6a32f3f2a4594 ("perf symbols: Fix symbol size calculation condition")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-s390@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20220416004048.1514900-4-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Namhyung Kim [Sat, 16 Apr 2022 00:40:47 +0000 (17:40 -0700)]
perf symbol: Update symbols__fixup_end()
Now arch-specific functions all do the same thing. When it fixes the
symbol address it needs to check the boundary between the kernel image
and modules. For the last symbol in the previous region, it cannot
know the exact size as it's discarded already. Thus it just uses a
small page size (4096) and rounds it up like the last symbol.
Fixes:
3cf6a32f3f2a4594 ("perf symbols: Fix symbol size calculation condition")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-s390@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20220416004048.1514900-3-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Namhyung Kim [Sat, 16 Apr 2022 00:40:46 +0000 (17:40 -0700)]
perf symbol: Pass is_kallsyms to symbols__fixup_end()
The symbol fixup is necessary for symbols in kallsyms since they don't
have size info. So we use the next symbol's address to calculate the
size. Now it's also used for user binaries because sometimes they miss
size for hand-written asm functions.
There's a arch-specific function to handle kallsyms differently but
currently it cannot distinguish kallsyms from others. Pass this
information explicitly to handle it properly. Note that those arch
functions will be moved to the generic function so I didn't added it to
the arch-functions.
Fixes:
3cf6a32f3f2a4594 ("perf symbols: Fix symbol size calculation condition")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-s390@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20220416004048.1514900-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Timothy Hayes [Thu, 21 Apr 2022 16:52:05 +0000 (17:52 +0100)]
perf test: Add perf_event_attr test for Arm SPE
Adds a perf_event_attr test for Arm SPE in which the presence of
physical addresses are checked when SPE unit is run with pa_enable=1.
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Timothy Hayes <timothy.hayes@arm.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: John Garry <john.garry@huawei.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: netdev@vger.kernel.org
Link: https://lore.kernel.org/r/20220421165205.117662-4-timothy.hayes@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Timothy Hayes [Thu, 21 Apr 2022 16:52:04 +0000 (17:52 +0100)]
perf arm-spe: Fix SPE events with phys addresses
This patch corrects a bug whereby SPE collection is invoked with
pa_enable=1 but synthesized events fail to show physical addresses.
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Timothy Hayes <timothy.hayes@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: John Garry <john.garry@huawei.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: netdev@vger.kernel.org
Link: https://lore.kernel.org/r/20220421165205.117662-3-timothy.hayes@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Timothy Hayes [Thu, 21 Apr 2022 16:52:03 +0000 (17:52 +0100)]
perf arm-spe: Fix addresses of synthesized SPE events
This patch corrects a bug whereby synthesized events from SPE
samples are missing virtual addresses.
Fixes:
54f7815efef7fad9 ("perf arm-spe: Fill address info for samples")
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Timothy Hayes <timothy.hayes@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: bpf@vger.kernel.org
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: John Garry <john.garry@huawei.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: netdev@vger.kernel.org
Cc: Song Liu <songliubraving@fb.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220421165205.117662-2-timothy.hayes@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Adrian Hunter [Thu, 28 Apr 2022 09:31:09 +0000 (12:31 +0300)]
perf intel-pt: Fix timeless decoding with perf.data directory
Intel PT does not capture data in separate directories, so do not
use separate directory processing because it doesn't work for
timeless decoding. It also looks like it doesn't support one_mmap
handling.
Example:
Before:
# perf record --kcore -a -e intel_pt/tsc=0/k sleep 0.1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 1.799 MB perf.data ]
# perf script --itrace=bep | head
#
After:
# perf script --itrace=bep | head
perf 21073 [000] psb: psb offs: 0
ffffffffaa68faf4 native_write_msr+0x4 ([kernel.kallsyms])
perf 21073 [000] cbr: cbr: 45 freq: 4505 MHz (161%)
ffffffffaa68faf4 native_write_msr+0x4 ([kernel.kallsyms])
perf 21073 [000] 1 branches:k: 0 [unknown] ([unknown]) =>
ffffffffaa68faf6 native_write_msr+0x6 ([kernel.kallsyms])
perf 21073 [000] 1 branches:k:
ffffffffaa68faf8 native_write_msr+0x8 ([kernel.kallsyms]) =>
ffffffffaa61aab0 pt_config_start+0x60 ([kernel.kallsyms])
perf 21073 [000] 1 branches:k:
ffffffffaa61aabd pt_config_start+0x6d ([kernel.kallsyms]) =>
ffffffffaa61b8ad pt_event_start+0x27d ([kernel.kallsyms])
perf 21073 [000] 1 branches:k:
ffffffffaa61b8bb pt_event_start+0x28b ([kernel.kallsyms]) =>
ffffffffaa61ba60 pt_event_add+0x40 ([kernel.kallsyms])
perf 21073 [000] 1 branches:k:
ffffffffaa61ba76 pt_event_add+0x56 ([kernel.kallsyms]) =>
ffffffffaa880e86 event_sched_in+0xc6 ([kernel.kallsyms])
perf 21073 [000] 1 branches:k:
ffffffffaa880e9b event_sched_in+0xdb ([kernel.kallsyms]) =>
ffffffffaa880ea5 event_sched_in+0xe5 ([kernel.kallsyms])
perf 21073 [000] 1 branches:k:
ffffffffaa880eba event_sched_in+0xfa ([kernel.kallsyms]) =>
ffffffffaa880f96 event_sched_in+0x1d6 ([kernel.kallsyms])
perf 21073 [000] 1 branches:k:
ffffffffaa880fc8 event_sched_in+0x208 ([kernel.kallsyms]) =>
ffffffffaa880ec0 event_sched_in+0x100 ([kernel.kallsyms])
Fixes:
bb6be405c4a2a5 ("perf session: Load data directory files for analysis")
Cc: stable@vger.kernel.org
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20220428093109.274641-1-adrian.hunter@intel.com
Cc: Ian Rogers <irogers@google.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: linux-kernel@vger.kernel.org
Andreas Gruenbacher [Thu, 28 Apr 2022 12:51:33 +0000 (14:51 +0200)]
gfs2: No short reads or writes upon glock contention
Commit
00bfe02f4796 ("gfs2: Fix mmap + page fault deadlocks for buffered
I/O") changed gfs2_file_read_iter() and gfs2_file_buffered_write() to
allow dropping the inode glock while faulting in user buffers. When the
lock was dropped, a short result was returned to indicate that the
operation was interrupted.
As pointed out by Linus (see the link below), this behavior is broken
and the operations should always re-acquire the inode glock and resume
the operation instead.
Link: https://lore.kernel.org/lkml/CAHk-=whaz-g_nOOoo8RRiWNjnv2R+h6_xk2F1J4TuSRxk1MtLw@mail.gmail.com/
Fixes:
00bfe02f4796 ("gfs2: Fix mmap + page fault deadlocks for buffered I/O")
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Catalin Marinas [Mon, 25 Apr 2022 15:18:33 +0000 (16:18 +0100)]
elf: Fix the arm64 MTE ELF segment name and value
Unfortunately, the name/value choice for the MTE ELF segment type
(PT_ARM_MEMTAG_MTE) was pretty poor: LOPROC+1 is already in use by
PT_AARCH64_UNWIND, as defined in the AArch64 ELF ABI
(https://github.com/ARM-software/abi-aa/blob/main/aaelf64/aaelf64.rst).
Update the ELF segment type value to LOPROC+2 and also change the define
to PT_AARCH64_MEMTAG_MTE to match the AArch64 ELF ABI namespace. The
AArch64 ELF ABI document is updating accordingly (segment type not
previously mentioned in the document).
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Fixes:
761b9b366cec ("elf: Introduce the ARM MTE ELF segment type")
Cc: Will Deacon <will@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Luis Machado <luis.machado@arm.com>
Cc: Richard Earnshaw <Richard.Earnshaw@arm.com>
Link: https://lore.kernel.org/r/20220425151833.2603830-1-catalin.marinas@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Paolo Abeni [Thu, 28 Apr 2022 08:18:51 +0000 (10:18 +0200)]
Merge tag 'for-net-2022-04-27' of git://git./linux/kernel/git/bluetooth/bluetooth
Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- Fix regression causing some HCI events to be discarded when they
shouldn't.
* tag 'for-net-2022-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
Bluetooth: hci_sync: Cleanup hci_conn if it cannot be aborted
Bluetooth: hci_event: Fix creating hci_conn object on error status
Bluetooth: hci_event: Fix checking for invalid handle on error status
====================
Link: https://lore.kernel.org/r/20220427234031.1257281-1-luiz.dentz@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
David Jeffery [Wed, 27 Apr 2022 18:32:50 +0000 (14:32 -0400)]
scsi: target: pscsi: Set SCF_TREAT_READ_AS_NORMAL flag only if there is valid data
With tape devices, the SCF_TREAT_READ_AS_NORMAL flag is used by the target
subsystem to mark commands which have both data to return as well as sense
data. But with pscsi, SCF_TREAT_READ_AS_NORMAL can be set even if there is
no data to return. The SCF_TREAT_READ_AS_NORMAL flag causes the target core
to call iscsit data-in callbacks even if there is no data, which iscsit
does not support. This results in iscsit going into an error state
requiring recovery and being unable to complete the command to the
initiator.
This issue can be resolved by fixing pscsi to only set
SCF_TREAT_READ_AS_NORMAL if there is valid data to return alongside the
sense data.
Link: https://lore.kernel.org/r/20220427183250.291881-1-djeffery@redhat.com
Fixes:
bd81372065fa ("scsi: target: transport should handle st FM/EOM/ILI reads")
Reported-by: Scott Hamilton <scott.hamilton@atos.net>
Tested-by: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: David Jeffery <djeffery@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Yang Yingliang [Tue, 26 Apr 2022 12:52:31 +0000 (20:52 +0800)]
net: fec: add missing of_node_put() in fec_enet_init_stop_mode()
Put device node in error path in fec_enet_init_stop_mode().
Fixes:
8a448bf832af ("net: ethernet: fec: move GPR register offset and bit into DT")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220426125231.375688-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Manish Chopra [Tue, 26 Apr 2022 15:39:13 +0000 (08:39 -0700)]
bnx2x: fix napi API usage sequence
While handling PCI errors (AER flow) driver tries to
disable NAPI [napi_disable()] after NAPI is deleted
[__netif_napi_del()] which causes unexpected system
hang/crash.
System message log shows the following:
=======================================
[ 3222.537510] EEH: Detected PCI bus error on PHB#384-PE#800000 [ 3222.537511] EEH: This PCI device has failed 2 times in the last hour and will be permanently disabled after 5 failures.
[ 3222.537512] EEH: Notify device drivers to shutdown [ 3222.537513] EEH: Beginning: 'error_detected(IO frozen)'
[ 3222.537514] EEH: PE#800000 (PCI 0384:80:00.0): Invoking
bnx2x->error_detected(IO frozen)
[ 3222.537516] bnx2x: [bnx2x_io_error_detected:14236(eth14)]IO error detected [ 3222.537650] EEH: PE#800000 (PCI 0384:80:00.0): bnx2x driver reports:
'need reset'
[ 3222.537651] EEH: PE#800000 (PCI 0384:80:00.1): Invoking
bnx2x->error_detected(IO frozen)
[ 3222.537651] bnx2x: [bnx2x_io_error_detected:14236(eth13)]IO error detected [ 3222.537729] EEH: PE#800000 (PCI 0384:80:00.1): bnx2x driver reports:
'need reset'
[ 3222.537729] EEH: Finished:'error_detected(IO frozen)' with aggregate recovery state:'need reset'
[ 3222.537890] EEH: Collect temporary log [ 3222.583481] EEH: of node=0384:80:00.0 [ 3222.583519] EEH: PCI device/vendor:
168e14e4 [ 3222.583557] EEH: PCI cmd/status register:
00100140 [ 3222.583557] EEH: PCI-E capabilities and status follow:
[ 3222.583744] EEH: PCI-E 00:
00020010 012c8da2 00095d5e 00455c82 [ 3222.583892] EEH: PCI-E 10:
10820000 00000000 00000000 00000000 [ 3222.583893] EEH: PCI-E 20:
00000000 [ 3222.583893] EEH: PCI-E AER capability register set follows:
[ 3222.584079] EEH: PCI-E AER 00:
13c10001 00000000 00000000 00062030 [ 3222.584230] EEH: PCI-E AER 10:
00002000 000031c0 000001e0 00000000 [ 3222.584378] EEH: PCI-E AER 20:
00000000 00000000 00000000 00000000 [ 3222.584416] EEH: PCI-E AER 30:
00000000 00000000 [ 3222.584416] EEH: of node=0384:80:00.1 [ 3222.584454] EEH: PCI device/vendor:
168e14e4 [ 3222.584491] EEH: PCI cmd/status register:
00100140 [ 3222.584492] EEH: PCI-E capabilities and status follow:
[ 3222.584677] EEH: PCI-E 00:
00020010 012c8da2 00095d5e 00455c82 [ 3222.584825] EEH: PCI-E 10:
10820000 00000000 00000000 00000000 [ 3222.584826] EEH: PCI-E 20:
00000000 [ 3222.584826] EEH: PCI-E AER capability register set follows:
[ 3222.585011] EEH: PCI-E AER 00:
13c10001 00000000 00000000 00062030 [ 3222.585160] EEH: PCI-E AER 10:
00002000 000031c0 000001e0 00000000 [ 3222.585309] EEH: PCI-E AER 20:
00000000 00000000 00000000 00000000 [ 3222.585347] EEH: PCI-E AER 30:
00000000 00000000 [ 3222.586872] RTAS: event: 5, Type: Platform Error (224), Severity: 2 [ 3222.586873] EEH: Reset without hotplug activity [ 3224.762767] EEH: Beginning: 'slot_reset'
[ 3224.762770] EEH: PE#800000 (PCI 0384:80:00.0): Invoking
bnx2x->slot_reset()
[ 3224.762771] bnx2x: [bnx2x_io_slot_reset:14271(eth14)]IO slot reset initializing...
[ 3224.762887] bnx2x 0384:80:00.0: enabling device (0140 -> 0142) [ 3224.768157] bnx2x: [bnx2x_io_slot_reset:14287(eth14)]IO slot reset
--> driver unload
Uninterruptible tasks
=====================
crash> ps | grep UN
213 2 11
c000000004c89e00 UN 0.0 0 0 [eehd]
215 2 0
c000000004c80000 UN 0.0 0 0
[kworker/0:2]
2196 1 28
c000000004504f00 UN 0.1 15936 11136 wickedd
4287 1 9
c00000020d076800 UN 0.0 4032 3008 agetty
4289 1 20
c00000020d056680 UN 0.0 7232 3840 agetty
32423 2 26
c00000020038c580 UN 0.0 0 0
[kworker/26:3]
32871 4241 27
c0000002609ddd00 UN 0.1 18624 11648 sshd
32920 10130 16
c00000027284a100 UN 0.1 48512 12608 sendmail
33092 32987 0
c000000205218b00 UN 0.1 48512 12608 sendmail
33154 4567 16
c000000260e51780 UN 0.1 48832 12864 pickup
33209 4241 36
c000000270cb6500 UN 0.1 18624 11712 sshd
33473 33283 0
c000000205211480 UN 0.1 48512 12672 sendmail
33531 4241 37
c00000023c902780 UN 0.1 18624 11648 sshd
EEH handler hung while bnx2x sleeping and holding RTNL lock
===========================================================
crash> bt 213
PID: 213 TASK:
c000000004c89e00 CPU: 11 COMMAND: "eehd"
#0 [
c000000004d477e0] __schedule at
c000000000c70808
#1 [
c000000004d478b0] schedule at
c000000000c70ee0
#2 [
c000000004d478e0] schedule_timeout at
c000000000c76dec
#3 [
c000000004d479c0] msleep at
c0000000002120cc
#4 [
c000000004d479f0] napi_disable at
c000000000a06448
^^^^^^^^^^^^^^^^
#5 [
c000000004d47a30] bnx2x_netif_stop at
c0080000018dba94 [bnx2x]
#6 [
c000000004d47a60] bnx2x_io_slot_reset at
c0080000018a551c [bnx2x]
#7 [
c000000004d47b20] eeh_report_reset at
c00000000004c9bc
#8 [
c000000004d47b90] eeh_pe_report at
c00000000004d1a8
#9 [
c000000004d47c40] eeh_handle_normal_event at
c00000000004da64
And the sleeping source code
============================
crash> dis -ls
c000000000a06448
FILE: ../net/core/dev.c
LINE: 6702
6697 {
6698 might_sleep();
6699 set_bit(NAPI_STATE_DISABLE, &n->state);
6700
6701 while (test_and_set_bit(NAPI_STATE_SCHED, &n->state))
* 6702 msleep(1);
6703 while (test_and_set_bit(NAPI_STATE_NPSVC, &n->state))
6704 msleep(1);
6705
6706 hrtimer_cancel(&n->timer);
6707
6708 clear_bit(NAPI_STATE_DISABLE, &n->state);
6709 }
EEH calls into bnx2x twice based on the system log above, first through
bnx2x_io_error_detected() and then bnx2x_io_slot_reset(), and executes
the following call chains:
bnx2x_io_error_detected()
+-> bnx2x_eeh_nic_unload()
+-> bnx2x_del_all_napi()
+-> __netif_napi_del()
bnx2x_io_slot_reset()
+-> bnx2x_netif_stop()
+-> bnx2x_napi_disable()
+->napi_disable()
Fix this by correcting the sequence of NAPI APIs usage,
that is delete the NAPI after disabling it.
Fixes:
7fa6f34081f1 ("bnx2x: AER revised")
Reported-by: David Christensen <drc@linux.vnet.ibm.com>
Tested-by: David Christensen <drc@linux.vnet.ibm.com>
Signed-off-by: Manish Chopra <manishc@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Link: https://lore.kernel.org/r/20220426153913.6966-1-manishc@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Maxim Mikityanskiy [Tue, 26 Apr 2022 15:49:49 +0000 (18:49 +0300)]
tls: Skip tls_append_frag on zero copy size
Calling tls_append_frag when max_open_record_len == record->len might
add an empty fragment to the TLS record if the call happens to be on the
page boundary. Normally tls_append_frag coalesces the zero-sized
fragment to the previous one, but not if it's on page boundary.
If a resync happens then, the mlx5 driver posts dump WQEs in
tx_post_resync_dump, and the empty fragment may become a data segment
with byte_count == 0, which will confuse the NIC and lead to a CQE
error.
This commit fixes the described issue by skipping tls_append_frag on
zero size to avoid adding empty fragments. The fix is not in the driver,
because an empty fragment is hardly the desired behavior.
Fixes:
e8f69799810c ("net/tls: Add generic NIC offload infrastructure")
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20220426154949.159055-1-maximmi@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Jakub Kicinski [Wed, 27 Apr 2022 22:18:39 +0000 (15:18 -0700)]
Merge https://git./linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2022-04-27
We've added 5 non-merge commits during the last 20 day(s) which contain
a total of 6 files changed, 34 insertions(+), 12 deletions(-).
The main changes are:
1) Fix xsk sockets when rx and tx are separately bound to the same umem, also
fix xsk copy mode combined with busy poll, from Maciej Fijalkowski.
2) Fix BPF tunnel/collect_md helpers with bpf_xmit lwt hook usage which triggered
a crash due to invalid metadata_dst access, from Eyal Birger.
3) Fix release of page pool in XDP live packet mode, from Toke Høiland-Jørgensen.
4) Fix potential NULL pointer dereference in kretprobes, from Adam Zabrocki.
(Masami & Steven preferred this small fix to be routed via bpf tree given it's
follow-up fix to Masami's rethook work that went via bpf earlier, too.)
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
xsk: Fix possible crash when multiple sockets are created
kprobes: Fix KRETPROBES when CONFIG_KRETPROBE_ON_RETHOOK is set
bpf, lwt: Fix crash when using bpf_skb_set_tunnel_key() from bpf_xmit lwt hook
bpf: Fix release of page_pool in BPF_PROG_RUN in test runner
xsk: Fix l2fwd for copy mode + busy poll combo
====================
Link: https://lore.kernel.org/r/20220427212748.9576-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
projects / platform / kernel / linux-starfive.git / log