platform/kernel/linux-starfive.git
22 months agoRISC-V: KVM: Disable all hpmcounter access for VS/VU mode
Atish Patra [Tue, 7 Feb 2023 09:55:25 +0000 (01:55 -0800)]
RISC-V: KVM: Disable all hpmcounter access for VS/VU mode

Any guest must not get access to any hpmcounter including cycle/instret
without any checks. We achieve that by disabling all the bits except TM
bit in hcounteren.

However, instret and cycle access for guest user space can be enabled
upon explicit request (via ONE REG) or on first trap from VU mode
to maintain ABI requirement in the future. This patch doesn't support
that as ONE REG interface is not settled yet.

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoRISC-V: KVM: Make PMU functionality depend on Sscofpmf
Atish Patra [Tue, 7 Feb 2023 09:55:24 +0000 (01:55 -0800)]
RISC-V: KVM: Make PMU functionality depend on Sscofpmf

The privilege mode filtering feature must be available in the host so
that the host can inhibit the counters while the execution is in HS mode.
Otherwise, the guests may have access to critical guest information.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoRISC-V: KVM: Add SBI PMU extension support
Atish Patra [Tue, 7 Feb 2023 09:55:23 +0000 (01:55 -0800)]
RISC-V: KVM: Add SBI PMU extension support

SBI PMU extension allows KVM guests to configure/start/stop/query
about the PMU counters in virtualized enviornment as well.

In order to allow that, KVM implements the entire SBI PMU extension.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoRISC-V: KVM: Add skeleton support for perf
Atish Patra [Tue, 7 Feb 2023 09:55:22 +0000 (01:55 -0800)]
RISC-V: KVM: Add skeleton support for perf

This patch only adds barebone structure of perf implementation. Most
of the function returns zero at this point and will be implemented
fully in the future.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoRISC-V: KVM: Modify SBI extension handler to return SBI error code
Atish Patra [Sun, 5 Feb 2023 01:15:07 +0000 (17:15 -0800)]
RISC-V: KVM: Modify SBI extension handler to return SBI error code

Currently, the SBI extension handle is expected to return Linux error code.
The top SBI layer converts the Linux error code to SBI specific error code
that can be returned to guest invoking the SBI calls. This model works
as long as SBI error codes have 1-to-1 mappings between them.
However, that may not be true always. This patch attempts to disassociate
both these error codes by allowing the SBI extension implementation to
return SBI specific error codes as well.

The extension will continue to return the Linux error specific code which
will indicate any problem *with* the extension emulation while the
SBI specific error will indicate the problem *of* the emulation.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Suggested-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoRISC-V: KVM: Return correct code for hsm stop function
Atish Patra [Sun, 5 Feb 2023 01:15:06 +0000 (17:15 -0800)]
RISC-V: KVM: Return correct code for hsm stop function

According to the SBI specification, the stop function can only
return error code SBI_ERR_FAILED. However, currently it returns
-EINVAL which will be mapped SBI_ERR_INVALID_PARAM.

Return an linux error code that maps to SBI_ERR_FAILED i.e doesn't map
to any other SBI error code. While EACCES is not the best error code
to describe the situation, it is close enough and will be replaced
with SBI error codes directly anyways.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoRISC-V: KVM: Define a probe function for SBI extension data structures
Atish Patra [Sun, 5 Feb 2023 01:15:05 +0000 (17:15 -0800)]
RISC-V: KVM: Define a probe function for SBI extension data structures

Currently the probe function just checks if an SBI extension is
registered or not. However, the extension may not want to advertise
itself depending on some other condition.
An additional extension specific probe function will allow
extensions to decide if they want to be advertised to the caller or
not. Any extension that does not require additional dependency checks
can avoid implementing this function.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoRISC-V: Improve SBI PMU extension related definitions
Atish Patra [Sun, 5 Feb 2023 01:15:04 +0000 (17:15 -0800)]
RISC-V: Improve SBI PMU extension related definitions

This patch fixes/improve few minor things in SBI PMU extension
definition.

1. Align all the firmware event names.
2. Add macros for bit positions in cache event ID & ops.

The changes were small enough to combine them together instead
of creating 1 liner patches.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoperf: RISC-V: Improve privilege mode filtering for perf
Atish Patra [Sun, 5 Feb 2023 01:15:03 +0000 (17:15 -0800)]
perf: RISC-V: Improve privilege mode filtering for perf

Currently, the host driver doesn't have any method to identify if the
requested perf event is from kvm or bare metal. As KVM runs in HS
mode, there are no separate hypervisor privilege mode to distinguish
between the attributes for guest/host.

Improve the privilege mode filtering by using the event specific
config1 field.

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoperf: RISC-V: Define helper functions expose hpm counter width and count
Atish Patra [Sun, 5 Feb 2023 01:15:02 +0000 (17:15 -0800)]
perf: RISC-V: Define helper functions expose hpm counter width and count

KVM module needs to know how many hardware counters and the counter
width that the platform supports. Otherwise, it will not be able to show
optimal value of virtual counters to the guest. The virtual hardware
counters also need to have the same width as the logical hardware
counters for simplicity. However, there shouldn't be mapping between
virtual hardware counters and logical hardware counters. As we don't
support hetergeneous harts or counters with different width as of now,
the implementation relies on the counter width of the first available
programmable counter.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoRISC-V: KVM: Redirect illegal instruction traps to guest
Andy Chiu [Fri, 27 Jan 2023 05:58:55 +0000 (11:28 +0530)]
RISC-V: KVM: Redirect illegal instruction traps to guest

The M-mode redirects an unhandled illegal instruction trap back
to S-mode. However, KVM running in HS-mode terminates the VS-mode
software when it receives illegal instruction trap. Instead, KVM
should redirect the illegal instruction trap back to VS-mode, and
let VS-mode trap handler decide the next step. This futher allows
guest kernel to implement on-demand enabling of vector extension
for a guest user space process upon first-use.

Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoRISC-V: KVM: Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect()
Anup Patel [Sat, 28 Jan 2023 07:48:25 +0000 (13:18 +0530)]
RISC-V: KVM: Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect()

The kvm_riscv_vcpu_trap_redirect() should set guest privilege mode
to supervisor mode because guest traps/interrupts are always handled
in virtual supervisor mode.

Fixes: 9f7013265112 ("RISC-V: KVM: Handle MMIO exits for VCPU")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoKVM: RISC-V: Fix wrong usage of PGDIR_SIZE to check page sizes
Alexandre Ghiti [Mon, 23 Jan 2023 09:29:28 +0000 (10:29 +0100)]
KVM: RISC-V: Fix wrong usage of PGDIR_SIZE to check page sizes

At the moment, riscv only supports PMD and PUD hugepages. For sv39,
PGDIR_SIZE == PUD_SIZE but not for sv48 and sv57. So fix this by changing
PGDIR_SIZE into PUD_SIZE.

Fixes: 9d05c1fee837 ("RISC-V: KVM: Implement stage2 page table programming")
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
22 months agoLinux 6.2-rc7
Linus Torvalds [Sun, 5 Feb 2023 21:13:28 +0000 (13:13 -0800)]
Linux 6.2-rc7

22 months agoMerge tag 'usb-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Linus Torvalds [Sun, 5 Feb 2023 20:19:55 +0000 (12:19 -0800)]
Merge tag 'usb-6.2-rc7' of git://git./linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some small USB fixes that resolve some reported problems.
  These include:

   - gadget driver fixes

   - dwc3 driver fix

   - typec driver fix

   - MAINTAINERS file update.

  All of these have been in linux-next with no reported problems"

* tag 'usb-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: typec: ucsi: Don't attempt to resume the ports before they exist
  usb: gadget: udc: do not clear gadget driver.bus
  usb: gadget: f_uac2: Fix incorrect increment of bNumEndpoints
  usb: gadget: f_fs: Fix unbalanced spinlock in __ffs_ep0_queue_wait
  usb: dwc3: qcom: enable vbus override when in OTG dr-mode
  MAINTAINERS: Add myself as UVC Gadget Maintainer

22 months agoMerge tag 'tty-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Linus Torvalds [Sun, 5 Feb 2023 20:06:29 +0000 (12:06 -0800)]
Merge tag 'tty-6.2-rc7' of git://git./linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are some small serial and vt fixes. These include:

   - 8250 driver fixes relating to dma issues

   - stm32 serial driver fix for threaded irqs

   - vc_screen bugfix for reported problems.

  All have been in linux-next for a while with no reported problems"

* tag 'tty-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF
  serial: 8250_dma: Fix DMA Rx rearm race
  serial: 8250_dma: Fix DMA Rx completion race
  serial: stm32: Merge hard IRQ and threaded IRQ handling into single IRQ handler

22 months agoMerge tag 'char-misc-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
Linus Torvalds [Sun, 5 Feb 2023 19:52:23 +0000 (11:52 -0800)]
Merge tag 'char-misc-6.2-rc7' of git://git./linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are a number of small char/misc/whatever driver fixes. They
  include:

   - IIO driver fixes for some reported problems

   - nvmem driver fixes

   - fpga driver fixes

   - debugfs memory leak fix in the hv_balloon and irqdomain code
     (irqdomain change was acked by the maintainer)

  All have been in linux-next with no reported problems"

* tag 'char-misc-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (33 commits)
  kernel/irq/irqdomain.c: fix memory leak with using debugfs_lookup()
  HV: hv_balloon: fix memory leak with using debugfs_lookup()
  nvmem: qcom-spmi-sdam: fix module autoloading
  nvmem: core: fix return value
  nvmem: core: fix cell removal on error
  nvmem: core: fix device node refcounting
  nvmem: core: fix registration vs use race
  nvmem: core: fix cleanup after dev_set_name()
  nvmem: core: remove nvmem_config wp_gpio
  nvmem: core: initialise nvmem->id early
  nvmem: sunxi_sid: Always use 32-bit MMIO reads
  nvmem: brcm_nvram: Add check for kzalloc
  iio: imu: fxos8700: fix MAGN sensor scale and unit
  iio: imu: fxos8700: remove definition FXOS8700_CTRL_ODR_MIN
  iio: imu: fxos8700: fix failed initialization ODR mode assignment
  iio: imu: fxos8700: fix incorrect ODR mode readback
  iio: light: cm32181: Fix PM support on system with 2 I2C resources
  iio: hid: fix the retval in gyro_3d_capture_sample
  iio: hid: fix the retval in accel_3d_capture_sample
  iio: imu: st_lsm6dsx: fix build when CONFIG_IIO_TRIGGERED_BUFFER=m
  ...

22 months agoMerge tag 'fbdev-for-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller...
Linus Torvalds [Sun, 5 Feb 2023 19:43:00 +0000 (11:43 -0800)]
Merge tag 'fbdev-for-6.2-rc7' of git://git./linux/kernel/git/deller/linux-fbdev

Pull fbdev fixes from Helge Deller:

 - fix fbcon to prevent fonts bigger than 32x32 pixels to avoid
   overflows reported by syzbot

 - switch omapfb to use kstrtobool()

 - switch some fbdev drivers to use the backlight helpers

* tag 'fbdev-for-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  fbcon: Check font dimension limits
  fbdev: omapfb: Use kstrtobool() instead of strtobool()
  fbdev: fbmon: fix function name in kernel-doc
  fbdev: atmel_lcdfb: Rework backlight status updates
  fbdev: riva: Use backlight helper
  fbdev: omapfb: panel-dsi-cm: Use backlight helper
  fbdev: nvidia: Use backlight helper
  fbdev: mx3fb: Use backlight helper
  fbdev: radeon: Use backlight helper
  fbdev: atyfb: Use backlight helper
  fbdev: aty128fb: Use backlight helper

22 months agoMerge tag 'x86_urgent_for_v6.2_rc7' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 5 Feb 2023 19:28:42 +0000 (11:28 -0800)]
Merge tag 'x86_urgent_for_v6.2_rc7' of git://git./linux/kernel/git/tip/tip

Pull x86 fix from Borislav Petkov:

 - Prevent the compiler from reordering accesses to debug regs which
   could cause a #VC exception in SEV-ES guests at the wrong place in
   the NMI handling path

* tag 'x86_urgent_for_v6.2_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/debug: Fix stack recursion caused by wrongly ordered DR7 accesses

22 months agoMerge tag 'perf_urgent_for_v6.2_rc7' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 5 Feb 2023 19:03:56 +0000 (11:03 -0800)]
Merge tag 'perf_urgent_for_v6.2_rc7' of git://git./linux/kernel/git/tip/tip

Pull perf fix from Borislav Petkov:

 - Lock the proper critical section when dealing with perf event context

* tag 'perf_urgent_for_v6.2_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf: Fix perf_event_pmu_context serialization

22 months agoMerge tag 'powerpc-6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
Linus Torvalds [Sun, 5 Feb 2023 02:40:51 +0000 (18:40 -0800)]
Merge tag 'powerpc-6.2-4' of git://git./linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "It's a bit of a big batch for rc6, but just because I didn't send any
  fixes the last week or two while I was on vacation, next week should
  be quieter:

   - Fix a few objtool warnings since we recently enabled objtool.

   - Fix a deadlock with the hash MMU vs perf record.

   - Fix perf profiling of asynchronous interrupt handlers.

   - Revert the IMC PMU nest_init_lock to being a mutex.

   - Two commits fixing problems with the kexec_file FDT size
     estimation.

   - Two commits fixing problems with strict RWX vs kernels running at
     non-zero.

   - Reconnect tlb_flush() to hash__tlb_flush()

  Thanks to Kajol Jain, Nicholas Piggin, Sachin Sant Sathvika Vasireddy,
  and Sourabh Jain"

* tag 'powerpc-6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s: Reconnect tlb_flush() to hash__tlb_flush()
  powerpc/kexec_file: Count hot-pluggable memory in FDT estimate
  powerpc/64s/radix: Fix RWX mapping with relocated kernel
  powerpc/64s/radix: Fix crash with unaligned relocated kernel
  powerpc/kexec_file: Fix division by zero in extra size estimation
  powerpc/imc-pmu: Revert nest_init_lock to being a mutex
  powerpc/64: Fix perf profiling asynchronous interrupt handlers
  powerpc/64s: Fix local irq disable when PMIs are disabled
  powerpc/kvm: Fix unannotated intra-function call warning
  powerpc/85xx: Fix unannotated intra-function call warning

22 months agoMerge tag 'rtc-6.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni...
Linus Torvalds [Sat, 4 Feb 2023 21:46:37 +0000 (13:46 -0800)]
Merge tag 'rtc-6.2-fixes' of git://git./linux/kernel/git/abelloni/linux

Pull RTC fixes from Alexandre Belloni:
 "Here are a few fixes for 6.2. The EFI one is the most important as it
  allows some RTCs to actually work. The other two are warnings that are
  worth fixing.

   - efi: make WAKEUP services optional

   - sunplus: fix format string warning"

* tag 'rtc-6.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  rtc: sunplus: fix format string for printing resource
  dt-bindings: rtc: qcom-pm8xxx: allow 'wakeup-source' property
  rtc: efi: Enable SET/GET WAKEUP services as optional

22 months agoMerge tag 'kbuild-fixes-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sat, 4 Feb 2023 19:30:23 +0000 (11:30 -0800)]
Merge tag 'kbuild-fixes-v6.2-4' of git://git./linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix two bugs (for building and for signing) when MODULE_SIG_KEY
   contains a PKCS#11 URI

* tag 'kbuild-fixes-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: modinst: Fix build error when CONFIG_MODULE_SIG_KEY is a PKCS#11 URI
  certs: Fix build error when PKCS#11 URI contains semicolon

22 months agoMerge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Linus Torvalds [Sat, 4 Feb 2023 19:21:27 +0000 (11:21 -0800)]
Merge tag 'for-linus' of git://git./virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "ARM64:

   - Yet another fix for non-CPU accesses to the memory backing the
     VGICv3 subsystem

   - A set of fixes for the setlftest checking for the S1PTW behaviour
     after the fix that went in ealier in the cycle"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: selftests: aarch64: Test read-only PT memory regions
  KVM: selftests: aarch64: Fix check of dirty log PT write
  KVM: selftests: aarch64: Do not default to dirty PTE pages on all S1PTWs
  KVM: selftests: aarch64: Relax userfaultfd read vs. write checks
  KVM: arm64: Allow no running vcpu on saving vgic3 pending table
  KVM: arm64: Allow no running vcpu on restoring vgic3 LPI pending status
  KVM: arm64: Add helper vgic_write_guest_lock()

22 months agoMerge tag 'parisc-for-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/delle...
Linus Torvalds [Sat, 4 Feb 2023 19:15:00 +0000 (11:15 -0800)]
Merge tag 'parisc-for-6.2-rc7' of git://git./linux/kernel/git/deller/parisc-linux

Pull parisc architecture fixes from Helge Deller:

 - Fix PTRACE_GETREGS/PTRACE_SETREGS for 32-bit userspace on a 64-bit
   kernel

 - pdc_iodc_print() dropped chars for newline in strings

 - Drop constants in favour of PRIV_USER

 - use safer strscpy() function in pdc_stable driver

* tag 'parisc-for-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Wire up PTRACE_GETREGS/PTRACE_SETREGS for compat case
  parisc: Replace hardcoded value with PRIV_USER constant in ptrace.c
  parisc: Fix return code of pdc_iodc_print()
  parisc: pdc_stable: use strscpy() to instead of strncpy()

22 months agoMerge tag 'for-linus' of https://github.com/openrisc/linux
Linus Torvalds [Sat, 4 Feb 2023 18:14:50 +0000 (10:14 -0800)]
Merge tag 'for-linus' of https://github.com/openrisc/linux

Pull OpenRISC mailing list update from Stafford Horne:
 "The old mailing list for OpenRISC died due to some infrastructure
  issues and the people in charge decided not to keep it running. We
  have migrated this and the users over to kernel.org infrastructure.

  Sending this out now to avoid kernel developers getting lots of
  bounced mails for using the old list"

* tag 'for-linus' of https://github.com/openrisc/linux:
  MAINTAINERS: Update OpenRISC mailing list

22 months agoMerge tag 'kvmarm-fixes-6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmar...
Paolo Bonzini [Sat, 4 Feb 2023 13:57:43 +0000 (08:57 -0500)]
Merge tag 'kvmarm-fixes-6.2-3' of git://git./linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.2, take #3

- Yet another fix for non-CPU accesses to the memory backing
  the VGICv3 subsystem

- A set of fixes for the setlftest checking for the S1PTW
  behaviour after the fix that went in ealier in the cycle

22 months agofbcon: Check font dimension limits
Samuel Thibault [Sun, 29 Jan 2023 15:17:40 +0000 (16:17 +0100)]
fbcon: Check font dimension limits

blit_x and blit_y are u32, so fbcon currently cannot support fonts
larger than 32x32.

The 32x32 case also needs shifting an unsigned int, to properly set bit
31, otherwise we get "UBSAN: shift-out-of-bounds in fbcon_set_font",
as reported on:

http://lore.kernel.org/all/IA1PR07MB98308653E259A6F2CE94A4AFABCE9@IA1PR07MB9830.namprd07.prod.outlook.com
Kernel Branch: 6.2.0-rc5-next-20230124
Kernel config: https://drive.google.com/file/d/1F-LszDAizEEH0ZX0HcSR06v5q8FPl2Uv/view?usp=sharing
Reproducer: https://drive.google.com/file/d/1mP1jcLBY7vWCNM60OMf-ogw-urQRjNrm/view?usp=sharing

Reported-by: Sanan Hasanov <sanan.hasanov@Knights.ucf.edu>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Fixes: 2d2699d98492 ("fbcon: font setting should check limitation of driver")
Cc: stable@vger.kernel.org
Tested-by: Miko Larsson <mikoxyzzz@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Helge Deller <deller@gmx.de>
22 months agoMerge tag 'block-6.2-2023-02-03' of git://git.kernel.dk/linux
Linus Torvalds [Fri, 3 Feb 2023 19:35:42 +0000 (11:35 -0800)]
Merge tag 'block-6.2-2023-02-03' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:
 "A bit bigger than I'd like at this point, but mostly a bunch of little
  fixes. In detail:

   - NVMe pull request via Christoph:
       - Fix a missing queue put in nvmet_fc_ls_create_association
         (Amit Engel)
       - Clear queue pointers on tag_set initialization failure
         (Maurizio Lombardi)
       - Use workqueue dedicated to authentication (Shin'ichiro
         Kawasaki)

   - Fix for an overflow in ublk (Liu)

   - Fix for leaking a queue reference in block cgroups (Ming)

   - Fix for a use-after-free in BFQ (Yu)"

* tag 'block-6.2-2023-02-03' of git://git.kernel.dk/linux:
  blk-cgroup: don't update io stat for root cgroup
  nvme-auth: use workqueue dedicated to authentication
  nvme: clear the request_queue pointers on failure in nvme_alloc_io_tag_set
  nvme: clear the request_queue pointers on failure in nvme_alloc_admin_tag_set
  nvme-fc: fix a missing queue put in nvmet_fc_ls_create_association
  block: Fix the blk_mq_destroy_queue() documentation
  block: ublk: extending queue_size to fix overflow
  block, bfq: fix uaf for bfqq in bic_set_bfqq()

22 months agoMerge tag 'ceph-for-6.2-rc7' of https://github.com/ceph/ceph-client
Linus Torvalds [Fri, 3 Feb 2023 18:34:07 +0000 (10:34 -0800)]
Merge tag 'ceph-for-6.2-rc7' of https://github.com/ceph/ceph-client

Pull ceph fix from Ilya Dryomov:
 "A safeguard to prevent the kernel client from further damaging the
  filesystem after running into a case of an invalid snap trace.

  The root cause of this metadata corruption is still being investigated
  but it appears to be stemming from the MDS. As such, this is the best
  we can do for now"

* tag 'ceph-for-6.2-rc7' of https://github.com/ceph/ceph-client:
  ceph: blocklist the kclient when receiving corrupted snap trace
  ceph: move mount state enum to super.h

22 months agoMerge tag 'efi-fixes-for-v6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 3 Feb 2023 18:25:41 +0000 (10:25 -0800)]
Merge tag 'efi-fixes-for-v6.2-3' of git://git./linux/kernel/git/efi/efi

Pull EFI fixes from Ard Biesheuvel:

 - handle potential mremap() failure gracefully

 - don't reject EFI memory attributes table version 2

* tag 'efi-fixes-for-v6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi: fix potential NULL deref in efi_mem_reserve_persistent
  efi: Accept version 2 of memory attributes table

22 months agoMerge tag 'riscv-for-linus-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 3 Feb 2023 18:18:39 +0000 (10:18 -0800)]
Merge tag 'riscv-for-linus-6.2-rc7' of git://git./linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - A build fix to avoid static branches in cpu_relax(), which greatly
   inflates the jump tables and breaks at least
   CONFIG_CC_OPTIMIZE_FOR_SIZE=y.

 - A fix for a kernel panic when probing impossible instruction
   positions.

 - A fix to disable unwind tables, which are enabled by default for
   GCC-13 and result in unhandled relocations in modules.

* tag 'riscv-for-linus-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: disable generation of unwind tables
  riscv: kprobe: Fixup kernel panic when probing an illegal position
  riscv: Fix build with CONFIG_CC_OPTIMIZE_FOR_SIZE=y

22 months agoMerge tag 'drm-fixes-2023-02-03' of git://anongit.freedesktop.org/drm/drm
Linus Torvalds [Fri, 3 Feb 2023 18:09:55 +0000 (10:09 -0800)]
Merge tag 'drm-fixes-2023-02-03' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "A few more fixes this week, a bit more spread out though.

  We have a bunch of nouveau regression and stabilisation fixes, along
  with usual amdgpu, and i915. Otherwise just some minor misc ones:

  dma-fence:
   - fix signaling bit for private fences

  panel:
   - boe-tv101wum-nl6 disable fix

  nouveau:
   - gm20b acr regression fix
   - tu102 scrub status fix
   - tu102 wait for firmware fix

  i915:
   - Fixes for potential use-after-free and double-free
   - GuC locking and refcount fixes
   - Display's reference clock value fix

  amdgpu:
   - GC11 fixes
   - DCN 3.1.4 fixes
   - NBIO 4.3 fix
   - DCN 3.2 fixes
   - Properly handle additional cases where DCN is not supported
   - SMU13 fixes

  vc4:
   - fix CEC adapter names

  ssd130x:
   - fix display init regression"

* tag 'drm-fixes-2023-02-03' of git://anongit.freedesktop.org/drm/drm: (23 commits)
  drm/amd/display: Properly handle additional cases where DCN is not supported
  drm/amdgpu: Enable vclk dclk node for gc11.0.3
  drm/amd: Fix initialization for nbio 4.3.0
  drm/amdgpu: enable HDP SD for gfx 11.0.3
  drm/amd/pm: drop unneeded dpm features disablement for SMU 13.0.4/11
  drm/amd/display: Reset DMUB mailbox SW state after HW reset
  drm/amd/display: Unassign does_plane_fit_in_mall function from dcn3.2
  drm/amd/display: Adjust downscaling limits for dcn314
  drm/amd/display: Add missing brackets in calculation
  drm/amdgpu: update wave data type to 3 for gfx11
  drm/panel: boe-tv101wum-nl6: Ensure DSI writes succeed during disable
  drm/nouveau/acr/gm20b: regression fixes
  drm/nouveau/fb/tu102-: fix register used to determine scrub status
  drm/nouveau/devinit/tu102-: wait for GFW_BOOT_PROGRESS == COMPLETED
  drm/i915/adlp: Fix typo for reference clock
  drm/i915: Fix potential bit_17 double-free
  drm/i915: Fix up locking around dumping requests lists
  drm/i915: Fix request ref counting during error capture & debugfs dump
  drm/i915/guc: Fix locking when searching for a hung request
  drm/i915: Avoid potential vm use-after-free
  ...

22 months agoMerge tag 'mm-hotfixes-stable-2023-02-02-19-24-2' of git://git.kernel.org/pub/scm...
Linus Torvalds [Fri, 3 Feb 2023 18:01:57 +0000 (10:01 -0800)]
Merge tag 'mm-hotfixes-stable-2023-02-02-19-24-2' of git://git./linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "25 hotfixes, mainly for MM.  13 are cc:stable"

* tag 'mm-hotfixes-stable-2023-02-02-19-24-2' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (26 commits)
  mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()
  Kconfig.debug: fix the help description in SCHED_DEBUG
  mm/swapfile: add cond_resched() in get_swap_pages()
  mm: use stack_depot_early_init for kmemleak
  Squashfs: fix handling and sanity checking of xattr_ids count
  sh: define RUNTIME_DISCARD_EXIT
  highmem: round down the address passed to kunmap_flush_on_unmap()
  migrate: hugetlb: check for hugetlb shared PMD in node migration
  mm: hugetlb: proc: check for hugetlb shared PMD in /proc/PID/smaps
  mm/MADV_COLLAPSE: catch !none !huge !bad pmd lookups
  Revert "mm: kmemleak: alloc gray object for reserved region with direct map"
  freevxfs: Kconfig: fix spelling
  maple_tree: should get pivots boundary by type
  .mailmap: update e-mail address for Eugen Hristev
  mm, mremap: fix mremap() expanding for vma's with vm_ops->close()
  squashfs: harden sanity check in squashfs_read_xattr_id_table
  ia64: fix build error due to switch case label appearing next to declaration
  mm: multi-gen LRU: fix crash during cgroup migration
  Revert "mm: add nodes= arg to memory.reclaim"
  zsmalloc: fix a race with deferred_handles storing
  ...

22 months agoefi: fix potential NULL deref in efi_mem_reserve_persistent
Anton Gusev [Fri, 3 Feb 2023 13:22:13 +0000 (16:22 +0300)]
efi: fix potential NULL deref in efi_mem_reserve_persistent

When iterating on a linked list, a result of memremap is dereferenced
without checking it for NULL.

This patch adds a check that falls back on allocating a new page in
case memremap doesn't succeed.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 18df7577adae ("efi/memreserve: deal with memreserve entries in unmapped memory")
Signed-off-by: Anton Gusev <aagusev@ispras.ru>
[ardb: return -ENOMEM instead of breaking out of the loop]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
22 months agokernel/irq/irqdomain.c: fix memory leak with using debugfs_lookup()
Greg Kroah-Hartman [Thu, 2 Feb 2023 15:15:54 +0000 (16:15 +0100)]
kernel/irq/irqdomain.c: fix memory leak with using debugfs_lookup()

When calling debugfs_lookup() the result must have dput() called on it,
otherwise the memory will leak over time.  To make things simpler, just
call debugfs_lookup_and_remove() instead which handles all of the logic
at once.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable <stable@kernel.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230202151554.2310273-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
22 months agoHV: hv_balloon: fix memory leak with using debugfs_lookup()
Greg Kroah-Hartman [Thu, 2 Feb 2023 14:09:18 +0000 (15:09 +0100)]
HV: hv_balloon: fix memory leak with using debugfs_lookup()

When calling debugfs_lookup() the result must have dput() called on it,
otherwise the memory will leak over time.  To make things simpler, just
call debugfs_lookup_and_remove() instead which handles all of the logic
at once.

Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Wei Liu <wei.liu@kernel.org>
Cc: Dexuan Cui <decui@microsoft.com>
Fixes: d180e0a1be6c ("Drivers: hv: Create debugfs file with hyper-v balloon usage information")
Cc: stable <stable@kernel.org>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20230202140918.2289522-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
22 months agoMerge tag 'amd-drm-fixes-6.2-2023-02-01' of https://gitlab.freedesktop.org/agd5f...
Dave Airlie [Fri, 3 Feb 2023 03:28:05 +0000 (13:28 +1000)]
Merge tag 'amd-drm-fixes-6.2-2023-02-01' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.2-2023-02-01:

amdgpu:
- GC11 fixes
- DCN 3.1.4 fixes
- NBIO 4.3 fix
- DCN 3.2 fixes
- Properly handle additional cases where DCN is not supported
- SMU13 fixes

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230202042309.24144-1-alexander.deucher@amd.com
22 months agoMerge tag 'drm-intel-fixes-2023-02-02' of git://anongit.freedesktop.org/drm/drm-intel...
Dave Airlie [Fri, 3 Feb 2023 02:28:28 +0000 (12:28 +1000)]
Merge tag 'drm-intel-fixes-2023-02-02' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

- Fixes for potential use-after-free and double-free (Rob)
- GuC locking and refcount fixes (John)
- Display's reference clock value fix (Chaitanya)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Y9u5pHjOYcxzS5Z7@intel.com
22 months agoMerge tag 'drm-misc-fixes-2023-02-02' of git://anongit.freedesktop.org/drm/drm-misc...
Dave Airlie [Fri, 3 Feb 2023 01:57:23 +0000 (11:57 +1000)]
Merge tag 'drm-misc-fixes-2023-02-02' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

A fix for a non-unique CEC adapter name registration in vc4, a
regression breaking the display in ssd130x, a signaling bit issue in
dma-fence, a couple of fixes in nouveau for Turing and Ampere, and a
disable fix for the boe-tv101wum-nl6 panel.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20230202085724.pz22m7bmei3wyuzp@houat
22 months agoMerge tag 'ata-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal...
Linus Torvalds [Fri, 3 Feb 2023 00:44:07 +0000 (16:44 -0800)]
Merge tag 'ata-6.2-rc7' of git://git./linux/kernel/git/dlemoal/libata

Pull libata fix from Damien Le Moal:
 "Fix device probe issues with some combination of adapters & devices
  that do not report a current link speed, leading to device probe
  failures if a link speed was not previously reported and saved (me)"

* tag 'ata-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
  ata: libata: Fix sata_down_spd_limit() when no link speed is reported

22 months agoMerge tag 'net-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Linus Torvalds [Thu, 2 Feb 2023 22:03:31 +0000 (14:03 -0800)]
Merge tag 'net-6.2-rc7' of git://git./linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf, can and netfilter.

  Current release - regressions:

   - phy: fix null-deref in phy_attach_direct

   - mac802154: fix possible double free upon parsing error

  Previous releases - regressions:

   - bpf: preserve reg parent/live fields when copying range info,
     prevent mis-verification of programs as safe

   - ip6: fix GRE tunnels not generating IPv6 link local addresses

   - phy: dp83822: fix null-deref on DP83825/DP83826 devices

   - sctp: do not check hb_timer.expires when resetting hb_timer

   - eth: mtk_sock: fix SGMII configuration after phylink conversion

  Previous releases - always broken:

   - eth: xdp: execute xdp_do_flush() before napi_complete_done()

   - skb: do not mix page pool and page referenced frags in GRO

   - bpf:
      - fix a possible task gone issue with bpf_send_signal[_thread]()
      - fix an off-by-one bug in bpf_mem_cache_idx() to select the right
        cache
      - add missing btf_put to register_btf_id_dtor_kfuncs
      - sockmap: fon't let sock_map_{close,destroy,unhash} call itself

   - gso: fix null-deref in skb_segment_list()

   - mctp: purge receive queues on sk destruction

   - fix UaF caused by accept on already connected socket in exotic
     socket families

   - tls: don't treat list head as an entry in tls_is_tx_ready()

   - netfilter: br_netfilter: disable sabotage_in hook after first
     suppression

   - wwan: t7xx: fix runtime PM implementation

  Misc:

   - MAINTAINERS: spring cleanup of networking maintainers"

* tag 'net-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits)
  mtk_sgmii: enable PCS polling to allow SFP work
  net: mediatek: sgmii: fix duplex configuration
  net: mediatek: sgmii: ensure the SGMII PHY is powered down on configuration
  MAINTAINERS: update SCTP maintainers
  MAINTAINERS: ipv6: retire Hideaki Yoshifuji
  mailmap: add John Crispin's entry
  MAINTAINERS: bonding: move Veaceslav Falico to CREDITS
  net: openvswitch: fix flow memory leak in ovs_flow_cmd_new
  net: ethernet: mtk_eth_soc: disable hardware DSA untagging for second MAC
  virtio-net: Keep stop() to follow mirror sequence of open()
  selftests: net: udpgso_bench_tx: Cater for pending datagrams zerocopy benchmarking
  selftests: net: udpgso_bench: Fix racing bug between the rx/tx programs
  selftests: net: udpgso_bench_rx/tx: Stop when wrong CLI args are provided
  selftests: net: udpgso_bench_rx: Fix 'used uninitialized' compiler warning
  can: mcp251xfd: mcp251xfd_ring_set_ringparam(): assign missing tx_obj_num_coalesce_irq
  can: isotp: split tx timer into transmission and timeout
  can: isotp: handle wait_event_interruptible() return values
  can: raw: fix CAN FD frame transmissions over CAN XL devices
  can: j1939: fix errant WARN_ON_ONCE in j1939_session_deactivate
  hv_netvsc: Fix missed pagebuf entries in netvsc_dma_map/unmap()
  ...

22 months agoMerge tag 'linux-kselftest-kunit-fixes-6.2-rc7' of git://git.kernel.org/pub/scm/linux...
Linus Torvalds [Thu, 2 Feb 2023 21:08:18 +0000 (13:08 -0800)]
Merge tag 'linux-kselftest-kunit-fixes-6.2-rc7' of git://git./linux/kernel/git/shuah/linux-kselftest

Pull KUnit fixes from Shuah Khan:
 "Three fixes to bugs that cause kernel crash, link error during build,
  and a third to fix kunit_test_init_section_suites() extra indirection
  issue"

* tag 'linux-kselftest-kunit-fixes-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kunit: fix kunit_test_init_section_suites(...)
  kunit: fix bug in KUNIT_EXPECT_MEMEQ
  kunit: Export kunit_running()

22 months agoMerge tag 'soc-fixes-6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Linus Torvalds [Thu, 2 Feb 2023 21:02:45 +0000 (13:02 -0800)]
Merge tag 'soc-fixes-6.2-3' of git://git./linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "The majority of bugfixes is once more for the NXP i.MX platform,
  addressing issue with i.MX8M (UART, watchdog and ethernet) as well as
  imx8dxl power button and the USB modem on an imx7 board.

  The reason that i.MX always shows up here is obviously not that they
  are more buggy than the others, but they have the most boards and are
  good about getting fixes in quickly.

  The other DT fixes are for the Nuvoton wpcm450 flash controller and
  the i2c mux on an ASpeed board.

  Lastly, there are updates to the MAINTAINERS entries for Mediatek,
  AMD/Seattle and NXP SoCs, as well as a lone code fix for error
  handling in the allwinner 'rsb' bus driver"

* tag 'soc-fixes-6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: dts: wpcm450: Add nuvoton,shm = <&shm> to FIU node
  MAINTAINERS: Update entry for MediaTek SoC support
  MAINTAINERS: amd: drop inactive Brijesh Singh
  ARM: dts: imx7d-smegw01: Fix USB host over-current polarity
  arm64: dts: imx8mm-verdin: Do not power down eth-phy
  MAINTAINERS: match freescale ARM64 DT directory in i.MX entry
  arm64: dts: imx8mm: Fix pad control for UART1_DTE_RX
  ARM: dts: aspeed: Fix pca9849 compatible
  arm64: dts: freescale: imx8dxl: fix sc_pwrkey's property name linux,keycode
  arm64: dts: imx8m-venice: Remove incorrect 'uart-has-rtscts'
  arm64: dts: imx8mm: Reinstate GPIO watchdog always-running property on eDM SBC
  bus: sunxi-rsb: Fix error handling in sunxi_rsb_init()

22 months agoMerge tag 's390-6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Linus Torvalds [Thu, 2 Feb 2023 20:52:47 +0000 (12:52 -0800)]
Merge tag 's390-6.2-4' of git://git./linux/kernel/git/s390/linux

Pull s390 fixes from Heiko Carstens:

 - With CONFIG_VMAP_STACK enabled it is not possible to load the s390
   specific diag288_wdt watchdog module. The reason is that a pointer to
   a string is passed to an inline assembly; this string however is
   located on the stack, while the instruction within the inline
   assembly expects a physicial address. Fix this by copying the string
   to a kmalloc'ed buffer.

 - The diag288_wdt watchdog module does not indicate that it accesses
   memory from an inline assembly, which it does. Add "memory" to the
   clobber list to prevent the compiler from optimizing code incorrectly
   away.

 - Pass size of the uncompressed kernel image to __decompress() call.
   Otherwise the kernel image decompressor may corrupt/overwrite an
   initrd. This was reported to happen on s390 after commit 2aa14b1ab2c4
   ("zstd: import usptream v1.5.2").

* tag 's390-6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/decompressor: specify __decompress() buf len to avoid overflow
  watchdog: diag288_wdt: fix __diag288() inline assembly
  watchdog: diag288_wdt: do not use stack buffers for hardware data

22 months agoMerge tag 'platform-drivers-x86-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Thu, 2 Feb 2023 20:47:08 +0000 (12:47 -0800)]
Merge tag 'platform-drivers-x86-v6.2-4' of git://git./linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:
 "A set of AMD PMF fixes + a few other small fixes"

* tag 'platform-drivers-x86-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: touchscreen_dmi: Add Chuwi Vi8 (CWI501) DMI match
  platform/x86: thinkpad_acpi: Fix thinklight LED brightness returning 255
  platform/x86/amd: pmc: add CONFIG_SERIO dependency
  platform/x86/amd/pmf: Ensure mutexes are initialized before use
  platform/x86/amd/pmf: Fix to update SPS thermals when power supply change
  platform/x86/amd/pmf: Fix to update SPS default pprof thermals
  platform/x86/amd/pmf: update to auto-mode limits only after AMT event
  platform/x86/amd/pmf: Add helper routine to check pprof is balanced
  platform/x86/amd/pmf: Add helper routine to update SPS thermals

22 months agoMerge branch 'fixes-for-mtk_eth_soc'
Jakub Kicinski [Thu, 2 Feb 2023 19:55:55 +0000 (11:55 -0800)]
Merge branch 'fixes-for-mtk_eth_soc'

Bjørn Mork says:

====================
Fix mtk_eth_soc sgmii configuration.

This has been tested on a MT7986 with a Maxlinear GPY211C phy
permanently attached to the second SoC mac.
====================

Link: https://lore.kernel.org/r/20230201182331.943411-1-bjorn@mork.no
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agomtk_sgmii: enable PCS polling to allow SFP work
Alexander Couzens [Wed, 1 Feb 2023 18:23:31 +0000 (19:23 +0100)]
mtk_sgmii: enable PCS polling to allow SFP work

Currently there is no IRQ handling (even the SGMII supports it).
Enable polling to support SFP ports.

Fixes: 14a44ab0330d ("net: mtk_eth_soc: partially convert to phylink_pcs")
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
[ bmork: changed "1" => "true" ]
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agonet: mediatek: sgmii: fix duplex configuration
Bjørn Mork [Wed, 1 Feb 2023 18:23:30 +0000 (19:23 +0100)]
net: mediatek: sgmii: fix duplex configuration

The logic of the duplex bit is inverted.  Setting it means half
duplex, not full duplex.

Fix and rename macro to avoid confusion.

Fixes: 7e538372694b ("net: ethernet: mediatek: Re-add support SGMII")
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agonet: mediatek: sgmii: ensure the SGMII PHY is powered down on configuration
Alexander Couzens [Wed, 1 Feb 2023 18:23:29 +0000 (19:23 +0100)]
net: mediatek: sgmii: ensure the SGMII PHY is powered down on configuration

The code expect the PHY to be in power down which is only true after reset.
Allow changes of the SGMII parameters more than once.

Only power down when reconfiguring to avoid bouncing the link when there's
no reason to - based on code from Russell King.

There are cases when the SGMII_PHYA_PWD register contains 0x9 which
prevents SGMII from working. The SGMII still shows link but no traffic
can flow. Writing 0x0 to the PHYA_PWD register fix the issue. 0x0 was
taken from a good working state of the SGMII interface.

Fixes: 42c03844e93d ("net-next: mediatek: add support for MediaTek MT7622 SoC")
Suggested-by: Russell King (Oracle) <linux@armlinux.org.uk>
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
[ bmork: rebased and squashed into one patch ]
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agoMerge tag 'linux-can-fixes-for-6.2-20230202' of git://git.kernel.org/pub/scm/linux...
Jakub Kicinski [Thu, 2 Feb 2023 19:51:24 +0000 (11:51 -0800)]
Merge tag 'linux-can-fixes-for-6.2-20230202' of git://git./linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
can 2023-02-02

The first patch is by Ziyang Xuan and removes a errant WARN_ON_ONCE()
in the CAN J1939 protocol.

The next 3 patches are by Oliver Hartkopp. The first 2 target the CAN
ISO-TP protocol and fix the state machine with respect to signals and
a regression found by the syzbot.

The last patch is by me an missing assignment during the ethtool ring
configuration callback.

* tag 'linux-can-fixes-for-6.2-20230202' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
  can: mcp251xfd: mcp251xfd_ring_set_ringparam(): assign missing tx_obj_num_coalesce_irq
  can: isotp: split tx timer into transmission and timeout
  can: isotp: handle wait_event_interruptible() return values
  can: raw: fix CAN FD frame transmissions over CAN XL devices
  can: j1939: fix errant WARN_ON_ONCE in j1939_session_deactivate
====================

Link: https://lore.kernel.org/r/20230202094135.2293939-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agoMerge branch 'maintainers-spring-refresh-of-networking-maintainers'
Jakub Kicinski [Thu, 2 Feb 2023 19:35:35 +0000 (11:35 -0800)]
Merge branch 'maintainers-spring-refresh-of-networking-maintainers'

Jakub Kicinski says:

====================
MAINTAINERS: spring refresh of networking maintainers

Use Jon Corbet's script for generating statistics about maintainer
coverage to identify inactive maintainers of relatively active code.
Move them to CREDITS.
====================

Link: https://lore.kernel.org/r/20230201182014.2362044-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agoMAINTAINERS: update SCTP maintainers
Jakub Kicinski [Wed, 1 Feb 2023 18:20:14 +0000 (10:20 -0800)]
MAINTAINERS: update SCTP maintainers

Vlad has stepped away from SCTP related duties.
Move him to CREDITS and add Xin Long.

Subsystem SCTP PROTOCOL
  Changes 237 / 629 (37%)
  Last activity: 2022-12-12
  Vlad Yasevich <vyasevich@gmail.com>:
  Neil Horman <nhorman@tuxdriver.com>:
    Author 20a785aa52c8 2020-05-19 00:00:00 4
    Tags 20a785aa52c8 2020-05-19 00:00:00 84
  Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>:
    Author 557fb5862c92 2021-07-28 00:00:00 41
    Tags da05cecc4939 2022-12-12 00:00:00 197
  Top reviewers:
    [15]: lucien.xin@gmail.com
  INACTIVE MAINTAINER Vlad Yasevich <vyasevich@gmail.com>

Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agoMAINTAINERS: ipv6: retire Hideaki Yoshifuji
Jakub Kicinski [Wed, 1 Feb 2023 18:20:13 +0000 (10:20 -0800)]
MAINTAINERS: ipv6: retire Hideaki Yoshifuji

We very rarely hear from Hideaki Yoshifuji and the IPv4/IPv6
entry covers a lot of code. Asking people to CC someone who
rarely responds feels wrong.

Note that Hideaki Yoshifuji already has an entry in CREDITS
for IPv6 so not adding another one.

Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agomailmap: add John Crispin's entry
Jakub Kicinski [Wed, 1 Feb 2023 18:20:12 +0000 (10:20 -0800)]
mailmap: add John Crispin's entry

John has not been CCed on some of the fixes which perhaps resulted
in the lack of review tags:

Subsystem MEDIATEK ETHERNET DRIVER
  Changes 50 / 295 (16%)
  Last activity: 2023-01-17
  Felix Fietkau <nbd@nbd.name>:
    Author 8bd8dcc5e47f 2022-11-18 00:00:00 33
    Tags 8bd8dcc5e47f 2022-11-18 00:00:00 38
  John Crispin <john@phrozen.org>:
  Sean Wang <sean.wang@mediatek.com>:
    Author 880c2d4b2fdf 2019-06-03 00:00:00 7
    Tags a5d75538295b 2020-04-07 00:00:00 10
  Mark Lee <Mark-MC.Lee@mediatek.com>:
    Author 8d66a8183d0c 2019-11-14 00:00:00 4
    Tags 8d66a8183d0c 2019-11-14 00:00:00 4
  Lorenzo Bianconi <lorenzo@kernel.org>:
    Author 08a764a7c51b 2023-01-17 00:00:00 68
    Tags 08a764a7c51b 2023-01-17 00:00:00 74
  Top reviewers:
    [12]: leonro@nvidia.com
    [6]: f.fainelli@gmail.com
    [6]: andrew@lunn.ch
  INACTIVE MAINTAINER John Crispin <john@phrozen.org>

map his old address to the up to date one.

Acked-by: John Crispin <john@phrozen.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agoMAINTAINERS: bonding: move Veaceslav Falico to CREDITS
Jakub Kicinski [Wed, 1 Feb 2023 18:20:11 +0000 (10:20 -0800)]
MAINTAINERS: bonding: move Veaceslav Falico to CREDITS

Veaceslav has stepped away from netdev:

Subsystem BONDING DRIVER
  Changes 96 / 319 (30%)
  Last activity: 2022-12-01
  Jay Vosburgh <j.vosburgh@gmail.com>:
    Author 4f5d33f4f798 2022-08-11 00:00:00 3
    Tags e5214f363dab 2022-12-01 00:00:00 48
  Veaceslav Falico <vfalico@gmail.com>:
  Andy Gospodarek <andy@greyhouse.net>:
    Tags 47f706262f1d 2019-02-24 00:00:00 4
  Top reviewers:
    [42]: jay.vosburgh@canonical.com
    [18]: jiri@nvidia.com
    [10]: jtoppins@redhat.com
  INACTIVE MAINTAINER Veaceslav Falico <vfalico@gmail.com>

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agonet: openvswitch: fix flow memory leak in ovs_flow_cmd_new
Fedor Pchelkin [Wed, 1 Feb 2023 21:02:18 +0000 (00:02 +0300)]
net: openvswitch: fix flow memory leak in ovs_flow_cmd_new

Syzkaller reports a memory leak of new_flow in ovs_flow_cmd_new() as it is
not freed when an allocation of a key fails.

BUG: memory leak
unreferenced object 0xffff888116668000 (size 632):
  comm "syz-executor231", pid 1090, jiffies 4294844701 (age 18.871s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000defa3494>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000defa3494>] ovs_flow_alloc+0x19/0x180 net/openvswitch/flow_table.c:77
    [<00000000c67d8873>] ovs_flow_cmd_new+0x1de/0xd40 net/openvswitch/datapath.c:957
    [<0000000010a539a8>] genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739
    [<00000000dff3302d>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
    [<00000000dff3302d>] genl_rcv_msg+0x328/0x590 net/netlink/genetlink.c:800
    [<000000000286dd87>] netlink_rcv_skb+0x153/0x430 net/netlink/af_netlink.c:2515
    [<0000000061fed410>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
    [<000000009dc0f111>] netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
    [<000000009dc0f111>] netlink_unicast+0x545/0x7f0 net/netlink/af_netlink.c:1339
    [<000000004a5ee816>] netlink_sendmsg+0x8e7/0xde0 net/netlink/af_netlink.c:1934
    [<00000000482b476f>] sock_sendmsg_nosec net/socket.c:651 [inline]
    [<00000000482b476f>] sock_sendmsg+0x152/0x190 net/socket.c:671
    [<00000000698574ba>] ____sys_sendmsg+0x70a/0x870 net/socket.c:2356
    [<00000000d28d9e11>] ___sys_sendmsg+0xf3/0x170 net/socket.c:2410
    [<0000000083ba9120>] __sys_sendmsg+0xe5/0x1b0 net/socket.c:2439
    [<00000000c00628f8>] do_syscall_64+0x30/0x40 arch/x86/entry/common.c:46
    [<000000004abfdcf4>] entry_SYSCALL_64_after_hwframe+0x61/0xc6

To fix this the patch rearranges the goto labels to reflect the order of
object allocations and adds appropriate goto statements on the error
paths.

Found by Linux Verification Center (linuxtesting.org) with Syzkaller.

Fixes: 68bb10101e6b ("openvswitch: Fix flow lookup to use unmasked key")
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230201210218.361970-1-pchelkin@ispras.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agonet: ethernet: mtk_eth_soc: disable hardware DSA untagging for second MAC
Arınç ÜNAL [Sat, 28 Jan 2023 09:42:32 +0000 (12:42 +0300)]
net: ethernet: mtk_eth_soc: disable hardware DSA untagging for second MAC

According to my tests on MT7621AT and MT7623NI SoCs, hardware DSA untagging
won't work on the second MAC. Therefore, disable this feature when the
second MAC of the MT7621 and MT7623 SoCs is being used.

Fixes: 2d7605a72906 ("net: ethernet: mtk_eth_soc: enable hardware DSA untagging")
Link: https://lore.kernel.org/netdev/6249fc14-b38a-c770-36b4-5af6d41c21d3@arinc9.com/
Tested-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20230128094232.2451947-1-arinc.unal@arinc9.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agovirtio-net: Keep stop() to follow mirror sequence of open()
Parav Pandit [Thu, 2 Feb 2023 16:35:16 +0000 (18:35 +0200)]
virtio-net: Keep stop() to follow mirror sequence of open()

Cited commit in fixes tag frees rxq xdp info while RQ NAPI is
still enabled and packet processing may be ongoing.

Follow the mirror sequence of open() in the stop() callback.
This ensures that when rxq info is unregistered, no rx
packet processing is ongoing.

Fixes: 754b8a21a96d ("virtio_net: setup xdp_rxq_info")
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Parav Pandit <parav@nvidia.com>
Link: https://lore.kernel.org/r/20230202163516.12559-1-parav@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agoMerge tag 'nvme-6.2-2023-02-02' of git://git.infradead.org/nvme into block-6.2
Jens Axboe [Thu, 2 Feb 2023 18:02:12 +0000 (11:02 -0700)]
Merge tag 'nvme-6.2-2023-02-02' of git://git.infradead.org/nvme into block-6.2

Pul NVMe fixes from Christoph:

"nvme fixes for Linux 6.2

 - fix a missing queue put in nvmet_fc_ls_create_association (Amit Engel)
 - clear queue pointers on tag_set initialization failure
   (Maurizio Lombardi)
 - use workqueue dedicated to authentication (Shin'ichiro Kawasaki)"

* tag 'nvme-6.2-2023-02-02' of git://git.infradead.org/nvme:
  nvme-auth: use workqueue dedicated to authentication
  nvme: clear the request_queue pointers on failure in nvme_alloc_io_tag_set
  nvme: clear the request_queue pointers on failure in nvme_alloc_admin_tag_set
  nvme-fc: fix a missing queue put in nvmet_fc_ls_create_association

22 months agoefi: Accept version 2 of memory attributes table
Ard Biesheuvel [Thu, 2 Feb 2023 17:30:06 +0000 (18:30 +0100)]
efi: Accept version 2 of memory attributes table

UEFI v2.10 introduces version 2 of the memory attributes table, which
turns the reserved field into a flags field, but is compatible with
version 1 in all other respects. So let's not complain about version 2
if we encounter it.

Cc: <stable@vger.kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
22 months agoceph: blocklist the kclient when receiving corrupted snap trace
Xiubo Li [Wed, 1 Feb 2023 01:36:45 +0000 (09:36 +0800)]
ceph: blocklist the kclient when receiving corrupted snap trace

When received corrupted snap trace we don't know what exactly has
happened in MDS side. And we shouldn't continue IOs and metadatas
access to MDS, which may corrupt or get incorrect contents.

This patch will just block all the further IO/MDS requests
immediately and then evict the kclient itself.

The reason why we still need to evict the kclient just after
blocking all the further IOs is that the MDS could revoke the caps
faster.

Link: https://tracker.ceph.com/issues/57686
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
22 months agoceph: move mount state enum to super.h
Xiubo Li [Wed, 1 Feb 2023 01:36:44 +0000 (09:36 +0800)]
ceph: move mount state enum to super.h

These flags are only used in ceph filesystem in fs/ceph, so just
move it to the place it should be.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
22 months agoselftests: net: udpgso_bench_tx: Cater for pending datagrams zerocopy benchmarking
Andrei Gherzan [Wed, 1 Feb 2023 00:16:16 +0000 (00:16 +0000)]
selftests: net: udpgso_bench_tx: Cater for pending datagrams zerocopy benchmarking

The test tool can check that the zerocopy number of completions value is
valid taking into consideration the number of datagram send calls. This can
catch the system into a state where the datagrams are still in the system
(for example in a qdisk, waiting for the network interface to return a
completion notification, etc).

This change adds a retry logic of computing the number of completions up to
a configurable (via CLI) timeout (default: 2 seconds).

Fixes: 79ebc3c26010 ("net/udpgso_bench_tx: options to exercise TX CMSG")
Signed-off-by: Andrei Gherzan <andrei.gherzan@canonical.com>
Cc: Willem de Bruijn <willemb@google.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20230201001612.515730-4-andrei.gherzan@canonical.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
22 months agoselftests: net: udpgso_bench: Fix racing bug between the rx/tx programs
Andrei Gherzan [Wed, 1 Feb 2023 00:16:14 +0000 (00:16 +0000)]
selftests: net: udpgso_bench: Fix racing bug between the rx/tx programs

"udpgro_bench.sh" invokes udpgso_bench_rx/udpgso_bench_tx programs
subsequently and while doing so, there is a chance that the rx one is not
ready to accept socket connections. This racing bug could fail the test
with at least one of the following:

./udpgso_bench_tx: connect: Connection refused
./udpgso_bench_tx: sendmsg: Connection refused
./udpgso_bench_tx: write: Connection refused

This change addresses this by making udpgro_bench.sh wait for the rx
program to be ready before firing off the tx one - up to a 10s timeout.

Fixes: 3a687bef148d ("selftests: udp gso benchmark")
Signed-off-by: Andrei Gherzan <andrei.gherzan@canonical.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Willem de Bruijn <willemb@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20230201001612.515730-3-andrei.gherzan@canonical.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
22 months agoselftests: net: udpgso_bench_rx/tx: Stop when wrong CLI args are provided
Andrei Gherzan [Wed, 1 Feb 2023 00:16:12 +0000 (00:16 +0000)]
selftests: net: udpgso_bench_rx/tx: Stop when wrong CLI args are provided

Leaving unrecognized arguments buried in the output, can easily hide a
CLI/script typo. Avoid this by exiting when wrong arguments are provided to
the udpgso_bench test programs.

Fixes: 3a687bef148d ("selftests: udp gso benchmark")
Signed-off-by: Andrei Gherzan <andrei.gherzan@canonical.com>
Cc: Willem de Bruijn <willemb@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20230201001612.515730-2-andrei.gherzan@canonical.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
22 months agoselftests: net: udpgso_bench_rx: Fix 'used uninitialized' compiler warning
Andrei Gherzan [Wed, 1 Feb 2023 00:16:10 +0000 (00:16 +0000)]
selftests: net: udpgso_bench_rx: Fix 'used uninitialized' compiler warning

This change fixes the following compiler warning:

/usr/include/x86_64-linux-gnu/bits/error.h:40:5: warning: ‘gso_size’ may
be used uninitialized [-Wmaybe-uninitialized]
   40 |     __error_noreturn (__status, __errnum, __format,
   __va_arg_pack ());
         |
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 udpgso_bench_rx.c: In function ‘main’:
 udpgso_bench_rx.c:253:23: note: ‘gso_size’ was declared here
   253 |         int ret, len, gso_size, budget = 256;

Fixes: 3327a9c46352 ("selftests: add functionals test for UDP GRO")
Signed-off-by: Andrei Gherzan <andrei.gherzan@canonical.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20230201001612.515730-1-andrei.gherzan@canonical.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
22 months agoata: libata: Fix sata_down_spd_limit() when no link speed is reported
Damien Le Moal [Mon, 30 Jan 2023 03:27:41 +0000 (12:27 +0900)]
ata: libata: Fix sata_down_spd_limit() when no link speed is reported

Commit 2dc0b46b5ea3 ("libata: sata_down_spd_limit should return if
driver has not recorded sstatus speed") changed the behavior of
sata_down_spd_limit() to return doing nothing if a drive does not report
a current link speed, to avoid reducing the link speed to the lowest 1.5
Gbps speed.

However, the change assumed that a speed was recorded before probing
(e.g. before a suspend/resume) and set in link->sata_spd. This causes
problems with adapters/drives combination failing to establish a link
speed during probe autonegotiation. One example reported of this problem
is an mvebu adapter with a 3Gbps port-multiplier box: autonegotiation
fails, leaving no recorded link speed and no reported current link
speed. Probe retries also fail as no action is taken by sata_set_spd()
after each retry.

Fix this by returning early in sata_down_spd_limit() only if we do have
a recorded link speed, that is, if link->sata_spd is not 0. With this
fix, a failed probe not leading to a recorded link speed is retried at
the lower 1.5 Gbps speed, with the link speed potentially increased
later on the second revalidate of the device if the device reports
that it supports higher link speeds.

Reported-by: Marius Dinu <marius@psihoexpert.ro>
Fixes: 2dc0b46b5ea3 ("libata: sata_down_spd_limit should return if driver has not recorded sstatus speed")
Reviewed-by: Niklas Cassel <niklas.cassel@wdc.com>
Tested-by: Marius Dinu <marius@psihoexpert.ro>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
22 months agoplatform/x86: touchscreen_dmi: Add Chuwi Vi8 (CWI501) DMI match
Hans de Goede [Thu, 2 Feb 2023 10:34:13 +0000 (11:34 +0100)]
platform/x86: touchscreen_dmi: Add Chuwi Vi8 (CWI501) DMI match

Add a DMI match for the CWI501 version of the Chuwi Vi8 tablet,
pointing to the same chuwi_vi8_data as the existing CWI506 version
DMI match.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230202103413.331459-1-hdegoede@redhat.com
22 months agousb: typec: ucsi: Don't attempt to resume the ports before they exist
Heikki Krogerus [Tue, 31 Jan 2023 14:15:18 +0000 (16:15 +0200)]
usb: typec: ucsi: Don't attempt to resume the ports before they exist

This will fix null pointer dereference that was caused by
the driver attempting to resume ports that were not yet
registered.

Fixes: e0dced9c7d47 ("usb: typec: ucsi: Resume in separate work")
Cc: <stable@vger.kernel.org>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216697
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20230131141518.78215-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
22 months agocan: mcp251xfd: mcp251xfd_ring_set_ringparam(): assign missing tx_obj_num_coalesce_irq
Marc Kleine-Budde [Mon, 23 Jan 2023 08:03:42 +0000 (09:03 +0100)]
can: mcp251xfd: mcp251xfd_ring_set_ringparam(): assign missing tx_obj_num_coalesce_irq

If the a new ring layout is set, the max coalesced frames for RX and
TX are re-calculated, too. Add the missing assignment of the newly
calculated TX max coalesced frames.

Fixes: 656fc12ddaf8 ("can: mcp251xfd: add TX IRQ coalescing ethtool support")
Link: https://lore.kernel.org/all/20230130154334.1578518-1-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
22 months agocan: isotp: split tx timer into transmission and timeout
Oliver Hartkopp [Wed, 4 Jan 2023 14:57:01 +0000 (15:57 +0100)]
can: isotp: split tx timer into transmission and timeout

The timer for the transmission of isotp PDUs formerly had two functions:
1. send two consecutive frames with a given time gap
2. monitor the timeouts for flow control frames and the echo frames

This led to larger txstate checks and potentially to a problem discovered
by syzbot which enabled the panic_on_warn feature while testing.

The former 'txtimer' function is split into 'txfrtimer' and 'txtimer'
to handle the two above functionalities with separate timer callbacks.

The two simplified timers now run in one-shot mode and make the state
transitions (especially with isotp_rcv_echo) better understandable.

Fixes: 866337865f37 ("can: isotp: fix tx state handling for echo tx processing")
Reported-by: syzbot+5aed6c3aaba661f5b917@syzkaller.appspotmail.com
Cc: stable@vger.kernel.org # >= v6.0
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/all/20230104145701.2422-1-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
22 months agocan: isotp: handle wait_event_interruptible() return values
Oliver Hartkopp [Thu, 12 Jan 2023 19:23:47 +0000 (20:23 +0100)]
can: isotp: handle wait_event_interruptible() return values

When wait_event_interruptible() has been interrupted by a signal the
tx.state value might not be ISOTP_IDLE. Force the state machines
into idle state to inhibit the timer handlers to continue working.

Fixes: 866337865f37 ("can: isotp: fix tx state handling for echo tx processing")
Cc: stable@vger.kernel.org
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/all/20230112192347.1944-1-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
22 months agocan: raw: fix CAN FD frame transmissions over CAN XL devices
Oliver Hartkopp [Tue, 31 Jan 2023 10:56:13 +0000 (11:56 +0100)]
can: raw: fix CAN FD frame transmissions over CAN XL devices

A CAN XL device is always capable to process CAN FD frames. The former
check when sending CAN FD frames relied on the existence of a CAN FD
device and did not check for a CAN XL device that would be correct
too.

With this patch the CAN FD feature is enabled automatically when CAN
XL is switched on - and CAN FD cannot be switch off while CAN XL is
enabled.

This precondition also leads to a clean up and reduction of checks in
the hot path in raw_rcv() and raw_sendmsg(). Some conditions are
reordered to handle simple checks first.

changes since v1: https://lore.kernel.org/all/20230131091012.50553-1-socketcan@hartkopp.net
- fixed typo: devive -> device
changes since v2: https://lore.kernel.org/all/20230131091824.51026-1-socketcan@hartkopp.net/
- reorder checks in if statements to handle simple checks first

Fixes: 626332696d75 ("can: raw: add CAN XL support")
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/all/20230131105613.55228-1-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
22 months agocan: j1939: fix errant WARN_ON_ONCE in j1939_session_deactivate
Ziyang Xuan [Mon, 6 Sep 2021 09:42:00 +0000 (17:42 +0800)]
can: j1939: fix errant WARN_ON_ONCE in j1939_session_deactivate

The conclusion "j1939_session_deactivate() should be called with a
session ref-count of at least 2" is incorrect. In some concurrent
scenarios, j1939_session_deactivate can be called with the session
ref-count less than 2. But there is not any problem because it
will check the session active state before session putting in
j1939_session_deactivate_locked().

Here is the concurrent scenario of the problem reported by syzbot
and my reproduction log.

        cpu0                            cpu1
                                j1939_xtp_rx_eoma
j1939_xtp_rx_abort_one
                                j1939_session_get_by_addr [kref == 2]
j1939_session_get_by_addr [kref == 3]
j1939_session_deactivate [kref == 2]
j1939_session_put [kref == 1]
j1939_session_completed
j1939_session_deactivate
WARN_ON_ONCE(kref < 2)

=====================================================
WARNING: CPU: 1 PID: 21 at net/can/j1939/transport.c:1088 j1939_session_deactivate+0x5f/0x70
CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 5.14.0-rc7+ #32
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1 04/01/2014
RIP: 0010:j1939_session_deactivate+0x5f/0x70
Call Trace:
 j1939_session_deactivate_activate_next+0x11/0x28
 j1939_xtp_rx_eoma+0x12a/0x180
 j1939_tp_recv+0x4a2/0x510
 j1939_can_recv+0x226/0x380
 can_rcv_filter+0xf8/0x220
 can_receive+0x102/0x220
 ? process_backlog+0xf0/0x2c0
 can_rcv+0x53/0xf0
 __netif_receive_skb_one_core+0x67/0x90
 ? process_backlog+0x97/0x2c0
 __netif_receive_skb+0x22/0x80

Fixes: 0c71437dd50d ("can: j1939: j1939_session_deactivate(): clarify lifetime of session object")
Reported-by: syzbot+9981a614060dcee6eeca@syzkaller.appspotmail.com
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/all/20210906094200.95868-1-william.xuanziyang@huawei.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
22 months agousb: gadget: udc: do not clear gadget driver.bus
Aaro Koskinen [Wed, 1 Feb 2023 22:01:25 +0000 (00:01 +0200)]
usb: gadget: udc: do not clear gadget driver.bus

Before the commit fc274c1e9973 ("USB: gadget: Add a new bus for gadgets")
gadget driver.bus was unused. For whatever reason, many UDC drivers set
this field explicitly to NULL in udc_start(). With the newly added gadget
bus, doing this will crash the driver during the attach.

The problem was first reported, fixed and tested with OMAP UDC and g_ether.
Other drivers are changed based on code analysis only.

Fixes: fc274c1e9973 ("USB: gadget: Add a new bus for gadgets")
Cc: stable <stable@kernel.org>
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20230201220125.GD2415@darkstar.musicnaut.iki.fi
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
22 months agohv_netvsc: Fix missed pagebuf entries in netvsc_dma_map/unmap()
Michael Kelley [Tue, 31 Jan 2023 03:33:06 +0000 (19:33 -0800)]
hv_netvsc: Fix missed pagebuf entries in netvsc_dma_map/unmap()

netvsc_dma_map() and netvsc_dma_unmap() currently check the cp_partial
flag and adjust the page_count so that pagebuf entries for the RNDIS
portion of the message are skipped when it has already been copied into
a send buffer. But this adjustment has already been made by code in
netvsc_send(). The duplicate adjustment causes some pagebuf entries to
not be mapped. In a normal VM, this doesn't break anything because the
mapping doesn’t change the PFN. But in a Confidential VM,
dma_map_single() does bounce buffering and provides a different PFN.
Failing to do the mapping causes the wrong PFN to be passed to Hyper-V,
and various errors ensue.

Fix this by removing the duplicate adjustment in netvsc_dma_map() and
netvsc_dma_unmap().

Fixes: 846da38de0e8 ("net: netvsc: Add Isolation VM support for netvsc driver")
Cc: stable@vger.kernel.org
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Link: https://lore.kernel.org/r/1675135986-254490-1-git-send-email-mikelley@microsoft.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
22 months agoocteontx2-af: Fix devlink unregister
Ratheesh Kannoth [Tue, 31 Jan 2023 06:16:59 +0000 (11:46 +0530)]
octeontx2-af: Fix devlink unregister

Exact match feature is only available in CN10K-B.
Unregister exact match devlink entry only for
this silicon variant.

Fixes: 87e4ea29b030 ("octeontx2-af: Debugsfs support for exact match.")
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20230131061659.1025137-1-rkannoth@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agoigc: return an error if the mac type is unknown in igc_ptp_systim_to_hwtstamp()
Tom Rix [Tue, 31 Jan 2023 21:54:37 +0000 (13:54 -0800)]
igc: return an error if the mac type is unknown in igc_ptp_systim_to_hwtstamp()

clang static analysis reports
drivers/net/ethernet/intel/igc/igc_ptp.c:673:3: warning: The left operand of
  '+' is a garbage value [core.UndefinedBinaryOperatorResult]
   ktime_add_ns(shhwtstamps.hwtstamp, adjust);
   ^            ~~~~~~~~~~~~~~~~~~~~

igc_ptp_systim_to_hwtstamp() silently returns without setting the hwtstamp
if the mac type is unknown.  This should be treated as an error.

Fixes: 81b055205e8b ("igc: Add support for RX timestamping")
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://lore.kernel.org/r/20230131215437.1528994-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agoriscv: disable generation of unwind tables
Andreas Schwab [Wed, 1 Feb 2023 09:29:45 +0000 (10:29 +0100)]
riscv: disable generation of unwind tables

GCC 13 will enable -fasynchronous-unwind-tables by default on riscv.  In
the kernel, we don't have any use for unwind tables yet, so disable them.
More importantly, the .eh_frame section brings relocations
(R_RISC_32_PCREL, R_RISCV_SET{6,8,16}, R_RISCV_SUB{6,8,16}) into modules
that we are not prepared to handle.

Signed-off-by: Andreas Schwab <schwab@suse.de>
Link: https://lore.kernel.org/r/mvmzg9xybqu.fsf@suse.de
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
22 months agoriscv: kprobe: Fixup kernel panic when probing an illegal position
Guo Ren [Wed, 1 Feb 2023 04:06:04 +0000 (23:06 -0500)]
riscv: kprobe: Fixup kernel panic when probing an illegal position

The kernel would panic when probed for an illegal position. eg:

(CONFIG_RISCV_ISA_C=n)

echo 'p:hello kernel_clone+0x16 a0=%a0' >> kprobe_events
echo 1 > events/kprobes/hello/enable
cat trace

Kernel panic - not syncing: stack-protector: Kernel stack
is corrupted in: __do_sys_newfstatat+0xb8/0xb8
CPU: 0 PID: 111 Comm: sh Not tainted
6.2.0-rc1-00027-g2d398fe49a4d #490
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff80007268>] dump_backtrace+0x38/0x48
[<ffffffff80c5e83c>] show_stack+0x50/0x68
[<ffffffff80c6da28>] dump_stack_lvl+0x60/0x84
[<ffffffff80c6da6c>] dump_stack+0x20/0x30
[<ffffffff80c5ecf4>] panic+0x160/0x374
[<ffffffff80c6db94>] generic_handle_arch_irq+0x0/0xa8
[<ffffffff802deeb0>] sys_newstat+0x0/0x30
[<ffffffff800158c0>] sys_clone+0x20/0x30
[<ffffffff800039e8>] ret_from_syscall+0x0/0x4
---[ end Kernel panic - not syncing: stack-protector:
Kernel stack is corrupted in: __do_sys_newfstatat+0xb8/0xb8 ]---

That is because the kprobe's ebreak instruction broke the kernel's
original code. The user should guarantee the correction of the probe
position, but it couldn't make the kernel panic.

This patch adds arch_check_kprobe in arch_prepare_kprobe to prevent an
illegal position (Such as the middle of an instruction).

Fixes: c22b0bcb1dd0 ("riscv: Add kprobes supported")
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Björn Töpel <bjorn@kernel.org>
Link: https://lore.kernel.org/r/20230201040604.3390509-1-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
22 months agonfp: flower: avoid taking mutex in atomic context
Yanguo Li [Tue, 31 Jan 2023 08:03:13 +0000 (09:03 +0100)]
nfp: flower: avoid taking mutex in atomic context

A mutex may sleep, which is not permitted in atomic context.
Avoid a case where this may arise by moving the to
nfp_flower_lag_get_info_from_netdev() in nfp_tun_write_neigh() spinlock.

Fixes: abc210952af7 ("nfp: flower: tunnel neigh support bond offload")
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Yanguo Li <yanguo.li@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230131080313.2076060-1-simon.horman@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agoMerge branch 'ip-ip6_gre-fix-gre-tunnels-not-generating-ipv6-link-local-addresses'
Jakub Kicinski [Thu, 2 Feb 2023 03:52:35 +0000 (19:52 -0800)]
Merge branch 'ip-ip6_gre-fix-gre-tunnels-not-generating-ipv6-link-local-addresses'

Thomas Winter says:

====================
ip/ip6_gre: Fix GRE tunnels not generating IPv6 link local addresses

For our point-to-point GRE tunnels, they have IN6_ADDR_GEN_MODE_NONE
when they are created then we set IN6_ADDR_GEN_MODE_EUI64 when they
come up to generate the IPv6 link local address for the interface.
Recently we found that they were no longer generating IPv6 addresses.

Also, non-point-to-point tunnels were not generating any IPv6 link
local address and instead generating an IPv6 compat address,
breaking IPv6 communication on the tunnel.

These failures were caused by commit e5dd729460ca and this patch set
aims to resolve these issues.
====================

Link: https://lore.kernel.org/r/20230131034646.237671-1-Thomas.Winter@alliedtelesis.co.nz
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agoip/ip6_gre: Fix non-point-to-point tunnel not generating IPv6 link local address
Thomas Winter [Tue, 31 Jan 2023 03:46:46 +0000 (16:46 +1300)]
ip/ip6_gre: Fix non-point-to-point tunnel not generating IPv6 link local address

We recently found that our non-point-to-point tunnels were not
generating any IPv6 link local address and instead generating an
IPv6 compat address, breaking IPv6 communication on the tunnel.

Previously, addrconf_gre_config always would call addrconf_addr_gen
and generate a EUI64 link local address for the tunnel.
Then commit e5dd729460ca changed the code path so that add_v4_addrs
is called but this only generates a compat IPv6 address for
non-point-to-point tunnels.

I assume the compat address is specifically for SIT tunnels so
have kept that only for SIT - GRE tunnels now always generate link
local addresses.

Fixes: e5dd729460ca ("ip/ip6_gre: use the same logic as SIT interfaces when computing v6LL address")
Signed-off-by: Thomas Winter <Thomas.Winter@alliedtelesis.co.nz>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agoip/ip6_gre: Fix changing addr gen mode not generating IPv6 link local address
Thomas Winter [Tue, 31 Jan 2023 03:46:45 +0000 (16:46 +1300)]
ip/ip6_gre: Fix changing addr gen mode not generating IPv6 link local address

For our point-to-point GRE tunnels, they have IN6_ADDR_GEN_MODE_NONE
when they are created then we set IN6_ADDR_GEN_MODE_EUI64 when they
come up to generate the IPv6 link local address for the interface.
Recently we found that they were no longer generating IPv6 addresses.
This issue would also have affected SIT tunnels.

Commit e5dd729460ca changed the code path so that GRE tunnels
generate an IPv6 address based on the tunnel source address.
It also changed the code path so GRE tunnels don't call addrconf_addr_gen
in addrconf_dev_config which is called by addrconf_sysctl_addr_gen_mode
when the IN6_ADDR_GEN_MODE is changed.

This patch aims to fix this issue by moving the code in addrconf_notify
which calls the addr gen for GRE and SIT into a separate function
and calling it in the places that expect the IPv6 address to be
generated.

The previous addrconf_dev_config is renamed to addrconf_eth_config
since it only expected eth type interfaces and follows the
addrconf_gre/sit_config format.

A part of this changes means that the loopback address will be
attempted to be configured when changing addr_gen_mode for lo.
This should not be a problem because the address should exist anyway
and if does already exist then no error is produced.

Fixes: e5dd729460ca ("ip/ip6_gre: use the same logic as SIT interfaces when computing v6LL address")
Signed-off-by: Thomas Winter <Thomas.Winter@alliedtelesis.co.nz>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
22 months agodrm/amd/display: Properly handle additional cases where DCN is not supported
Alex Deucher [Wed, 25 Jan 2023 19:35:16 +0000 (14:35 -0500)]
drm/amd/display: Properly handle additional cases where DCN is not supported

There could be boards with DCN listed in IP discovery, but no
display hardware actually wired up.  In this case the vbios
display table will not be populated.  Detect this case and
skip loading DM when we detect it.

v2: Mark DCN as harvested as well so other display checks
elsewhere in the driver are handled properly.

Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amdgpu: Enable vclk dclk node for gc11.0.3
Yiqing Yao [Tue, 31 Jan 2023 08:02:47 +0000 (16:02 +0800)]
drm/amdgpu: Enable vclk dclk node for gc11.0.3

These sysfs nodes are tested supported, so enable them.

Signed-off-by: Yiqing Yao <yiqing.yao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd: Fix initialization for nbio 4.3.0
Mario Limonciello [Mon, 30 Jan 2023 16:16:06 +0000 (10:16 -0600)]
drm/amd: Fix initialization for nbio 4.3.0

A mistake has been made on some boards with NBIO 4.3.0 where some
NBIO registers aren't properly set by the hardware.

Ensure that they're set during initialization.

Cc: Natikar Basavaraj <Basavaraj.Natikar@amd.com>
Tested-by: Satyanarayana ReddyTVN <Satyanarayana.ReddyTVN@amd.com>
Tested-by: Rutvij Gajjar <Rutvij.Gajjar@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.1.x
22 months agodrm/amdgpu: enable HDP SD for gfx 11.0.3
Evan Quan [Sat, 28 Jan 2023 06:24:34 +0000 (14:24 +0800)]
drm/amdgpu: enable HDP SD for gfx 11.0.3

Enable HDP clock gating control for gfx 11.0.3.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/pm: drop unneeded dpm features disablement for SMU 13.0.4/11
Tim Huang [Sat, 21 Jan 2023 02:35:04 +0000 (10:35 +0800)]
drm/amd/pm: drop unneeded dpm features disablement for SMU 13.0.4/11

PMFW will handle the features disablement properly for gpu reset case,
driver involvement may cause some unexpected issues.

Cc: stable@vger.kernel.org # 6.1
Signed-off-by: Tim Huang <tim.huang@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Reset DMUB mailbox SW state after HW reset
Nicholas Kazlauskas [Fri, 20 Jan 2023 16:14:30 +0000 (11:14 -0500)]
drm/amd/display: Reset DMUB mailbox SW state after HW reset

[Why]
Otherwise we can be out of sync with what's in the hardware, leading
to us rerunning every command that's presently in the ringbuffer.

[How]
Reset software state for the mailboxes in hw_reset callback.
This is already done as part of the mailbox init in hw_init, but we
do need to remember to reset the last cached wptr value as well here.

Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Unassign does_plane_fit_in_mall function from dcn3.2
George Shen [Thu, 19 Jan 2023 22:09:54 +0000 (17:09 -0500)]
drm/amd/display: Unassign does_plane_fit_in_mall function from dcn3.2

[Why]
The hwss function does_plane_fit_in_mall not applicable to dcn3.2 asics.
Using it with dcn3.2 can result in undefined behaviour.

[How]
Assign the function pointer to NULL.

Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Adjust downscaling limits for dcn314
Daniel Miess [Tue, 17 Jan 2023 20:45:30 +0000 (15:45 -0500)]
drm/amd/display: Adjust downscaling limits for dcn314

[Why]
Lower max_downscale_ratio and ARGB888 downscale factor
to prevent cases where underflow may occur on dcn314

[How]
Set max_downscale_ratio to 400 and ARGB downscale factor
to 250 for dcn314

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Daniel Miess <Daniel.Miess@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amd/display: Add missing brackets in calculation
Daniel Miess [Tue, 17 Jan 2023 20:34:35 +0000 (15:34 -0500)]
drm/amd/display: Add missing brackets in calculation

[Why]
Brackets missing in the calculation for MIN_DST_Y_NEXT_START

[How]
Add missing brackets for this calculation

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Daniel Miess <Daniel.Miess@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
22 months agodrm/amdgpu: update wave data type to 3 for gfx11
Graham Sider [Mon, 16 Jan 2023 15:43:11 +0000 (10:43 -0500)]
drm/amdgpu: update wave data type to 3 for gfx11

SQ_WAVE_INST_DW0 isn't present on gfx11 compared to gfx10, so update
wave data type to signify a difference.

Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Mukul Joshi <Mukul.Joshi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.1.x
22 months agoblk-cgroup: don't update io stat for root cgroup
Ming Lei [Thu, 2 Feb 2023 02:18:04 +0000 (10:18 +0800)]
blk-cgroup: don't update io stat for root cgroup

We source root cgroup stats from the system-wide stats, see blkcg_print_stat
and blkcg_rstat_flush, so don't update io state for root cgroup.

Fixes blkg leak issue introduced in commit 3b8cc6298724 ("blk-cgroup: Optimize blkcg_rstat_flush()")
which starts to grab blkg's reference when adding iostat_cpu into percpu
blkcg list, but this state won't be consumed by blkcg_rstat_flush() where
the blkg reference is dropped.

Tested-by: Bart van Assche <bvanassche@acm.org>
Reported-by: Bart van Assche <bvanassche@acm.org>
Fixes: 3b8cc6298724 ("blk-cgroup: Optimize blkcg_rstat_flush()")
Cc: Tejun Heo <tj@kernel.org>
Cc: Waiman Long <longman@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230202021804.278582-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
22 months agopowerpc/64s: Reconnect tlb_flush() to hash__tlb_flush()
Michael Ellerman [Tue, 31 Jan 2023 11:14:07 +0000 (22:14 +1100)]
powerpc/64s: Reconnect tlb_flush() to hash__tlb_flush()

Commit baf1ed24b27d ("powerpc/mm: Remove empty hash__ functions")
removed some empty hash MMU flushing routines, but got a bit overeager
and also removed the call to hash__tlb_flush() from tlb_flush().

In regular use this doesn't lead to any noticable breakage, which is a
little concerning. Presumably there are flushes happening via other
paths such as arch_leave_lazy_mmu_mode(), and/or a bit of luck.

Fix it by reinstating the call to hash__tlb_flush().

Fixes: baf1ed24b27d ("powerpc/mm: Remove empty hash__ functions")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20230131111407.806770-1-mpe@ellerman.id.au
22 months agoparisc: Wire up PTRACE_GETREGS/PTRACE_SETREGS for compat case
Helge Deller [Wed, 1 Feb 2023 15:41:54 +0000 (16:41 +0100)]
parisc: Wire up PTRACE_GETREGS/PTRACE_SETREGS for compat case

Wire up the missing ptrace requests PTRACE_GETREGS, PTRACE_SETREGS,
PTRACE_GETFPREGS and PTRACE_SETFPREGS when running 32-bit applications
on 64-bit kernels.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # 4.7+
22 months agoparisc: Replace hardcoded value with PRIV_USER constant in ptrace.c
Helge Deller [Wed, 1 Feb 2023 10:04:06 +0000 (11:04 +0100)]
parisc: Replace hardcoded value with PRIV_USER constant in ptrace.c

Prefer usage of the PRIV_USER constant over the hard-coded value to set
the lowest 2 bits for the userspace privilege.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # 5.16+
22 months agoMerge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Linus Torvalds [Wed, 1 Feb 2023 18:31:53 +0000 (10:31 -0800)]
Merge tag 'for_linus' of git://git./linux/kernel/git/mst/vhost

Pull virtio fixes from Michael Tsirkin:
 "Just small bugfixes all over the place"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  vdpa: ifcvf: Do proper cleanup if IFCVF init fails
  vhost-scsi: unbreak any layout for response
  tools/virtio: fix the vringh test for virtio ring changes
  vhost/net: Clear the pending messages when the backend is removed