Age | Commit message (Collapse) | Author | Files | Lines |
|
git://people.freedesktop.org/~thomash/linux into drm-fixes
A patch set from Christoph for vmwgfx dma mode detection breakage with the
new dma code restructuring in 5.0
A couple of fixes also CC'd stable
Finally an improved IOMMU detection that automatically enables dma mapping
also with other vIOMMUS than the intel one if present and enabled.
Currently trying to start a VM in that case would fail catastrophically.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thellstrom@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190206194735.4663-1-thellstrom@vmware.com
|
|
into drm-fixes
- Fix missing freesync properties on eDP
- Fix locking in pasid mgr
- Fix clang warning in kfd
- DC/powerplay fix
- Fix reported rev ids on raven
- Doorbell fix for vega20
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190205231301.3815-1-alexander.deucher@amd.com
|
|
[Why]
eDP was missing in the checks for supported VRR connectors.
[How]
Attach the properties for eDP connectors too.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=202449
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
Clang warns:
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_crat.c:866:5: warning:
'CONFIG_X86_64' is not defined, evaluates to 0 [-Wundef]
^
1 warning generated.
Fixes: d1c234e2cd10 ("drm/amdkfd: Allow building KFD on ARM64 (v2)")
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
amdgpu_vm_get_task_info is called from interrupt handler and sched timeout
workqueue, we should use irq version spin_lock to avoid deadlock.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
instead of relying on intel_iommu_enabled, use the fact that the
dma_map_ops::map_page != dma_direct_map_page.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
|
|
Previously we set only the dma mask and not the coherent mask. Fix that.
Also, for clarity, make sure both are initially set to 64 bits.
Cc: <stable@vger.kernel.org>
Fixes: 0d00c488f3de: ("drm/vmwgfx: Fix the driver for large dma addresses")
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
|
|
During modeset check it is possible to have all crtc_state's in atomic
state. Check for crtc enable status while checking for display unit
active status. Only error if enabling a crtc while display unit is not
active.
Cc: <stable@vger.kernel.org>
Fixes: 9da6e26c0aae: ("drm/vmwgfx: Fix a layout race condition")
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
|
|
if vmw_execbuf_fence_commands() fails, The handle value will be
uninitialized and a bogus fence handle might be copied to user-space.
Cc: <stable@vger.kernel.org>
Fixes: 2724b2d54cda: ("drm/vmwgfx: Use new validation interface for the modesetting code v2")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com> #v1
Reviewed-by: Sinclair Yeh <syeh@vmware.com> #v1
Reviewed-by: Deepak Rawat <drawat@vmware.com>
|
|
The function was unconditionally returning 0, and a caller would have to
rely on the returned fence pointer being NULL to detect errors. However,
the function vmw_execbuf_copy_fence_user() would expect a non-zero error
code in that case and would BUG otherwise.
So make sure we return a proper non-zero error code if the fence pointer
returned is NULL.
Cc: <stable@vger.kernel.org>
Fixes: ae2a104058e2: ("vmwgfx: Implement fence objects")
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
|
|
into drm-fixes
A few fixes for 5.0:
- Fix radeon crash on SI with VM passthrough
- Fencing fix for shared buffers
- Fix power hwmon reporting on APUs
- Powerplay fix for APUs
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190201043455.5988-1-alexander.deucher@amd.com
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fix from Thomas Gleixner:
"The dump info for the efi page table debugging lacks a terminator
which causes the kernel to crash when the debugfile is read"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/arm64: Fix debugfs crash by adding a terminator for ptdump marker
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
Pull RISC-V fixes from Palmer Dabbelt:
"This contains a handful of mostly-independent patches:
- make our port respect TIF_NEED_RESCHED, which fixes
CONFIG_PREEMPT=y kernels
- fix double-put of OF nodes
- fix a misspelling of target in our Kconfig
- generic PCIe is enabled in our defconfig
- fix our SBI early console to properly handle line
endings
- fix max_low_pfn being counted in PFNs
- a change to TASK_UNMAPPED_BASE to match what other
arches do
This has passed my standard 'boot Fedora' flow"
* tag 'riscv-for-linus-5.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux:
riscv: Adjust mmap base address at a third of task size
riscv: fixup max_low_pfn with PFN_DOWN.
tty/serial: use uart_console_write in the RISC-V SBL early console
RISC-V: defconfig: Add CRYPTO_DEV_VIRTIO=y
RISC-V: defconfig: Enable Generic PCIE by default
RISC-V: defconfig: Move CONFIG_PCI{,E_XILINX}
RISC-V: Kconfig: fix spelling mistake "traget" -> "target"
RISC-V: asm/page.h: fix spelling mistake "CONFIG_64BITS" -> "CONFIG_64BIT"
RISC-V: fix bad use of of_node_put
RISC-V: Add _TIF_NEED_RESCHED check for kernel thread when CONFIG_PREEMPT=y
|
|
Pull block fixes from Jens Axboe:
"A few fixes that should go into this release. This contains:
- MD pull request from Song, fixing a recovery OOM issue (Alexei)
- Fix for a sync related stall (Jianchao)
- Dummy callback for timeouts (Tetsuo)
- IDE atapi sense ordering fix (me)"
* tag 'for-linus-20190202' of git://git.kernel.dk/linux-block:
ide: ensure atapi sense request aren't preempted
blk-mq: fix a hung issue when fsync
block: pass no-op callback to INIT_WORK().
md/raid5: fix 'out of memory' during raid cache recovery
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Five minor bug fixes.
The libfc one is a tiny memory leak, the zfcp one is an incorrect user
visible parameter and the rest are on error legs or obscure features"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: 53c700: pass correct "dev" to dma_alloc_attrs()
scsi: bnx2fc: Fix error handling in probe()
scsi: scsi_debug: fix write_same with virtual_gb problem
scsi: libfc: free skb when receiving invalid flogi resp
scsi: zfcp: fix sysfs block queue limit output for max_segment_size
|
|
When reading 'efi_page_tables' debugfs triggers an out-of-bounds access here:
arch/arm64/mm/dump.c: 282
if (addr >= st->marker[1].start_address) {
called from:
arch/arm64/mm/dump.c: 331
note_page(st, addr, 2, pud_val(pud));
because st->marker++ is is called after "UEFI runtime end" which is the
last element in addr_marker[]. Therefore, add a terminator like the one
for kernel_page_tables, so it can be skipped to print out non-existent
markers.
Here's the KASAN bug report:
# cat /sys/kernel/debug/efi_page_tables
---[ UEFI runtime start ]---
0x0000000020000000-0x0000000020010000 64K PTE RW NX SHD AF ...
0x0000000020200000-0x0000000021340000 17664K PTE RW NX SHD AF ...
...
0x0000000021920000-0x0000000021950000 192K PTE RW x SHD AF ...
0x0000000021950000-0x00000000219a0000 320K PTE RW NX SHD AF ...
---[ UEFI runtime end ]---
---[ (null) ]---
---[ (null) ]---
BUG: KASAN: global-out-of-bounds in note_page+0x1f0/0xac0
Read of size 8 at addr ffff2000123f2ac0 by task read_all/42464
Call trace:
dump_backtrace+0x0/0x298
show_stack+0x24/0x30
dump_stack+0xb0/0xdc
print_address_description+0x64/0x2b0
kasan_report+0x150/0x1a4
__asan_report_load8_noabort+0x30/0x3c
note_page+0x1f0/0xac0
walk_pgd+0xb4/0x244
ptdump_walk_pgd+0xec/0x140
ptdump_show+0x40/0x50
seq_read+0x3f8/0xad0
full_proxy_read+0x9c/0xc0
__vfs_read+0xfc/0x4c8
vfs_read+0xec/0x208
ksys_read+0xd0/0x15c
__arm64_sys_read+0x84/0x94
el0_svc_handler+0x258/0x304
el0_svc+0x8/0xc
The buggy address belongs to the variable:
__compound_literal.0+0x20/0x800
Memory state around the buggy address:
ffff2000123f2980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff2000123f2a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa
>ffff2000123f2a80: fa fa fa fa 00 00 00 00 fa fa fa fa 00 00 00 00
^
ffff2000123f2b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff2000123f2b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0
[ ardb: fix up whitespace ]
[ mingo: fix up some moar ]
Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Fixes: 9d80448ac92b ("efi/arm64: Add debugfs node to dump UEFI runtime page tables")
Link: http://lkml.kernel.org/r/20190202095017.13799-2-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
|
|
Pull xtensa fixes from Max Filippov:
- fix ccount_timer_shutdown for secondary CPUs
- fix secondary CPU initialization
- fix secondary CPU reset vector clash with double exception vector
- fix present CPUs when booting with 'maxcpus' parameter
- limit possible CPUs by configured NR_CPUS
- issue a warning if xtensa PIC is asked to retrigger anything other
than software IRQ
- fix masking/unmasking of the first two IRQs on xtensa MX PIC
- fix typo in Kconfig description for user space unaligned access
feature
- fix Kconfig warning for selecting BUILTIN_DTB
* tag 'xtensa-20190201' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: SMP: limit number of possible CPUs by NR_CPUS
xtensa: rename BUILTIN_DTB to BUILTIN_DTB_SOURCE
xtensa: Fix typo use space=>user space
drivers/irqchip: xtensa-mx: fix mask and unmask
drivers/irqchip: xtensa: add warning to irq_retrigger
xtensa: SMP: mark each possible CPU as present
xtensa: smp_lx200_defconfig: fix vectors clash
xtensa: SMP: fix secondary CPU initialization
xtensa: SMP: fix ccount_timer_shutdown
|
|
Pull rdma fixes from Jason Gunthorpe:
"Still not much going on, the usual set of oops and driver fixes this
time:
- Fix two uapi breakage regressions in mlx5 drivers
- Various oops fixes in hfi1, mlx4, umem, uverbs, and ipoib
- A protocol bug fix for hfi1 preventing it from implementing the
verbs API properly, and a compatability fix for EXEC STACK user
programs
- Fix missed refcounting in the 'advise_mr' patches merged this
cycle.
- Fix wrong use of the uABI in the hns SRQ patches merged this cycle"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
IB/uverbs: Fix OOPs in uverbs_user_mmap_disassociate
IB/ipoib: Fix for use-after-free in ipoib_cm_tx_start
IB/uverbs: Fix ioctl query port to consider device disassociation
RDMA/mlx5: Fix flow creation on representors
IB/uverbs: Fix OOPs upon device disassociation
RDMA/umem: Add missing initialization of owning_mm
RDMA/hns: Update the kernel header file of hns
IB/mlx5: Fix how advise_mr() launches async work
RDMA/device: Expose ib_device_try_get(()
IB/hfi1: Add limit test for RC/UC send via loopback
IB/hfi1: Remove overly conservative VM_EXEC flag check
IB/{hfi1, qib}: Fix WC.byte_len calculation for UD_SEND_WITH_IMM
IB/mlx4: Fix using wrong function to destroy sqp AHs under SRIOV
RDMA/mlx5: Fix check for supported user flags when creating a QP
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a PM-runtime framework regression introduced by the recent
switch-over of device autosuspend to hrtimers and a mistake in the
"poll idle state" code introduced by a recent change in it.
Specifics:
- Since ktime_get() turns out to be problematic for device
autosuspend in the PM-runtime framework, make it use
ktime_get_mono_fast_ns() instead (Vincent Guittot).
- Fix an initial value of a local variable in the "poll idle state"
code that makes it behave not exactly as expected when all idle
states except for the "polling" one are disabled (Doug Smythies)"
* tag 'pm-5.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: poll_state: Fix default time limit
PM-runtime: Fix deadlock with ktime_get()
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI Kconfig fixes from Rafael Wysocki:
"Prevent invalid configurations from being created (e.g. by randconfig)
due to some ACPI-related Kconfig options' dependencies that are not
specified directly (Sinan Kaya)"
* tag 'acpi-5.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
platform/x86: Fix unmet dependency warning for SAMSUNG_Q10
platform/x86: Fix unmet dependency warning for ACPI_CMPC
mfd: Fix unmet dependency warning for MFD_TPS68470
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC host fixes from Ulf Hansson:
- mediatek: Fix incorrect register write for tunings
- bcm2835: Fixup leakage of DMA channel on probe errors
* tag 'mmc-v5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: mediatek: fix incorrect register setting of hs400_cmd_int_delay
mmc: bcm2835: Fix DMA channel leak on probe error
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c fixes from Boris Brezillon:
- Fix a deadlock in the designware driver
- Fix the error path in i3c_master_add_i3c_dev_locked()
* tag 'i3c/fixes-for-5.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: dw: fix deadlock
i3c: fix missing detach if failed to retrieve i3c dev
|
|
* acpi-misc:
platform/x86: Fix unmet dependency warning for SAMSUNG_Q10
platform/x86: Fix unmet dependency warning for ACPI_CMPC
|
|
* pm-cpuidle-fixes:
cpuidle: poll_state: Fix default time limit
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"Mostly driver fixes, but there's a core framework fix in here too:
- Revert the commits that introduce clk management for the SP clk on
MMP2 SoCs (used for OLPC). Turns out it wasn't a good idea and
there isn't any need to manage this clk, it just causes more
headaches.
- A performance regression that went unnoticed for many years where
we would traverse the entire clk tree looking for a clk by name
when we already have the pointer to said clk that we're looking for
- A parent linkage fix for the qcom SDM845 clk driver
- An i.MX clk driver rate miscalculation fix where order of
operations were messed up
- One error handling fix from the static checkers"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: qcom: gcc: Use active only source for CPUSS clocks
clk: ti: Fix error handling in ti_clk_parse_divider_data()
clk: imx: Fix fractional clock set rate computation
clk: Remove global clk traversal on fetch parent index
Revert "dt-bindings: marvell,mmp2: Add clock id for the SP clock"
Revert "clk: mmp2: add SP clock"
Revert "Input: olpc_apsp - enable the SP clock"
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"This fixes a bug in cavium/nitrox where the callback is invoked prior
to the DMA unmap"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: cavium/nitrox - Invoke callback after DMA unmap
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- Revert armada8k GPIO reset change that broke Macchiatobin booting
(Baruch Siach)
- Use actual size config reads on ARM cns3xxx (Koen Vandeputte)
- Fix ARM cns3xxx config write alignment issue (Koen Vandeputte)
- Fix imx6 PHY device link error checking (Leonard Crestez)
- Fix imx6 probe failure on chips without separate PCI power domain
(Leonard Crestez)
* tag 'pci-v5.0-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
Revert "PCI: armada8k: Add support for gpio controlled reset signal"
ARM: cns3xxx: Use actual size reads for PCIe
ARM: cns3xxx: Fix writing to wrong PCI config registers after alignment
PCI: imx: Fix checking pd_pcie_phy device link addition
PCI: imx: Fix probe failure without power domain
|
|
This patch fixes the incorrect external id that kernel reports to user mode
driver. Raven2's rev_id is starts from 0x8, so its external id (0x81) should
start from rev_id + 0x79 (0x81 - 0x8). And Raven's rev_id should be 0x21 while
rev_id == 1.
Reported-by: Crystal Jin <Crystal.Jin@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
Fixes doorbell reflection on Vega20.
Change-Id: I0495139d160a9032dff5977289b1eec11c16f781
Signed-off-by: Jay Cornwall <Jay.Cornwall@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
[Why]
The earlier change 'Fix 6x4K displays' led to fclk value
idling at higher DPM level.
[How]
Apply the fix only to respective multi-display configuration.
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
Revert commit 3d71746c42 ("PCI: armada8k: Add support for gpio controlled
reset signal").
That commit breaks boot on Macchiatobin board when a Mellanox NIC is
present in the PCIe slot.
It turns out that full reset cycle requires first comphy serdes
initialization. Reset signal toggle without comphy initialization makes
access to PCI configuration registers stall indefinitely. U-Boot toggles
the Macchiatobin PCIe reset line already at boot, after initializing the
comphy serdes.
So while commit 3d71746c42 ("PCI: armada8k: Add support for gpio controlled
reset signal") enables PCIe on platforms that U-Boot does not touch the
reset line (like Clearfog GT-8K), it breaks PCIe (and boot) on the
Macchiatobin board.
Revert commit 3d71746c42 ("PCI: armada8k: Add support for gpio controlled
reset signal") entirely to fix the Macchiatobin regression.
Reported-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
|
|
The check on the device_link_add() return value is wrong;
this leads to erroneous code execution, so fix it.
Fixes: 3f7cceeab895 ("PCI: imx: Add multi-pd support")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
|
|
On chips without a separate power domain for PCI (such as 6q/6qp) the
imx6_pcie_attach_pd() function incorrectly returns an error.
Fix by returning 0 if dev_pm_domain_attach_by_name() does not find
anything.
Fixes: 3f7cceeab895 ("PCI: imx: Add multi-pd support")
Reported-by: Lukas F.Hartmann <lukas@mntmn.com>
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
|
|
There's an issue with how sense requests are handled in IDE. If ide-cd
encounters an error, it queues a sense request. With how IDE request
handling is done, this is the next request we need to handle. But it's
impossible to guarantee this, as another request could come in between
the sense being queued, and ->queue_rq() being run and handling it. If
that request ALSO fails, then we attempt to doubly queue the single
sense request we have.
Since we only support one active request at the time, defer request
processing when a sense request is queued.
Fixes: 600335205b8d "ide: convert to blk-mq"
Reported-by: He Zhe <zhe.he@windriver.com>
Tested-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
|
The default time is declared in units of microsecnds,
but is used as nanoseconds, resulting in significant
accounting errors for idle state 0 time when all idle
states deeper than 0 are disabled.
Under these unusual conditions, we don't really care
about the poll time limit anyhow.
Fixes: 800fb34a99ce ("cpuidle: poll_state: Disregard disable idle states")
Signed-off-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
|
A deadlock has been seen when swicthing clocksources which use
PM-runtime. The call path is:
change_clocksource
...
write_seqcount_begin
...
timekeeping_update
...
sh_cmt_clocksource_enable
...
rpm_resume
pm_runtime_mark_last_busy
ktime_get
do
read_seqcount_begin
while read_seqcount_retry
....
write_seqcount_end
Although we should be safe because we haven't yet changed the
clocksource at that time, we can't do that because of seqcount
protection.
Use ktime_get_mono_fast_ns() instead which is lock safe for such
cases.
With ktime_get_mono_fast_ns, the timestamp is not guaranteed to be
monotonic across an update and as a result can goes backward.
According to update_fast_timekeeper() description: "In the worst
case, this can result is a slightly wrong timestamp (a few
nanoseconds)". For PM-runtime autosuspend, this means only that
the suspend decision may be slightly suboptimal.
Fixes: 8234f6734c5d ("PM-runtime: Switch autosuspend over to using hrtimers")
Reported-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
|
|
amdgpu only uses shared-fences internally, but dmabuf importers rely on
implicit write hazard tracking via the reservation_object.fence_excl.
For example, the importer use the write hazard for timing a page flip to
only occur after the exporter has finished flushing its write into the
surface. As such, on exporting a dmabuf, we must either flush all
outstanding fences (for we do not know which are writes and should have
been exclusive) or alternatively create a new exclusive fence that is
the composite of all the existing shared fences, and so will only be
signaled when all earlier fences are signaled (ensuring that we can not
be signaled before the completion of any earlier write).
v2: reservation_object is already locked by amdgpu_bo_reserve()
v3: Replace looping with get_fences_rcu and special case the promotion
of a single shared fence directly to an exclusive fence, bypassing the
fence array.
v4: Drop the fence array ref after assigning to reservation_object
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107341
Testcase: igt/amd_prime/amd-to-i915
References: 8e94a46c1770 ("drm/amdgpu: Attach exclusive fence to prime exported bo's. (v5)")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Reviewed-by: "Christian König" <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"A few more fixes this time:
- Two patches to fix the error path of the map_sg implementation of
the AMD IOMMU driver.
- Also a missing IOTLB flush is fixed in the AMD IOMMU driver.
- Memory leak fix for the Intel IOMMU driver.
- Fix a regression in the Mediatek IOMMU driver which caused device
initialization to fail (seen as broken HDMI output)"
* tag 'iommu-fixes-v5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Fix IOMMU page flush when detach device from a domain
iommu/mediatek: Use correct fwspec in mtk_iommu_add_device()
iommu/vt-d: Fix memory leak in intel_iommu_put_resv_regions()
iommu/amd: Unmap all mapped pages in error path of map_sg
iommu/amd: Call free_iova_fast with pfn in map_sg
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Here is a bunch of GPIO fixes for the v5.0 series. I was helped out by
Bartosz in collecting these fixes, for which I am very grateful, the
biggest achievement in GPIO right now is work distribution.
There is one serious core fix (timestamping) and a bunch of driver
fixes:
- Fix timestamps on nested IRQs
- Handle IRQs properly in multiple instances of PCF857x
- Use the right data register and IRQ type setting in the Spreadtrum
GPIO driver
- Let the value argument work properly when setting direction in the
Altera GPIO driver
- Mask interrupts properly in the vf610 driver"
* tag 'gpio-v5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: vf610: Mask all GPIO interrupts
gpio: altera-a10sr: Set proper output level for direction_output
gpio: sprd: Fix incorrect irq type setting for the async EIC
gpio: sprd: Fix the incorrect data register
gpiolib: fix line event timestamps for nested irqs
gpio: pcf857x: Fix interrupts on multiple instances
|
|
Pull networking fixes from David Miller:
1) Need to save away the IV across tls async operations, from Dave
Watson.
2) Upon successful packet processing, we should liberate the SKB with
dev_consume_skb{_irq}(). From Yang Wei.
3) Only apply RX hang workaround on effected macb chips, from Harini
Katakam.
4) Dummy netdev need a proper namespace assigned to them, from Josh
Elsasser.
5) Some paths of nft_compat run lockless now, and thus we need to use a
proper refcnt_t. From Florian Westphal.
6) Avoid deadlock in mlx5 by doing IRQ locking, from Moni Shoua.
7) netrom does not refcount sockets properly wrt. timers, fix that by
using the sock timer API. From Cong Wang.
8) Fix locking of inexact inserts of xfrm policies, from Florian
Westphal.
9) Missing xfrm hash generation bump, also from Florian.
10) Missing of_node_put() in hns driver, from Yonglong Liu.
11) Fix DN_IFREQ_SIZE, from Johannes Berg.
12) ip6mr notifier is invoked during traversal of wrong table, from Nir
Dotan.
13) TX promisc settings not performed correctly in qed, from Manish
Chopra.
14) Fix OOB access in vhost, from Jason Wang.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (52 commits)
MAINTAINERS: Add entry for XDP (eXpress Data Path)
net: set default network namespace in init_dummy_netdev()
net: b44: replace dev_kfree_skb_xxx by dev_consume_skb_xxx for drop profiles
net: caif: call dev_consume_skb_any when skb xmit done
net: 8139cp: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: macb: Apply RXUBR workaround only to versions with errata
net: ti: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: apple: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: amd8111e: replace dev_kfree_skb_irq by dev_consume_skb_irq
net: alteon: replace dev_kfree_skb_irq by dev_consume_skb_irq
net: tls: Fix deadlock in free_resources tx
net: tls: Save iv in tls_rec for async crypto requests
vhost: fix OOB in get_rx_bufs()
qed: Fix stack out of bounds bug
qed: Fix system crash in ll2 xmit
qed: Fix VF probe failure while FLR
qed: Fix LACP pdu drops for VFs
qed: Fix bug in tx promiscuous mode settings
net: i825xx: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
netfilter: ipt_CLUSTERIP: fix warning unused variable cn
...
|
|
The vma->vm_mm can become impossible to get before rdma_umap_close() is
called, in this case we must not try to get an mm that is already
undergoing process exit. In this case there is no need to wait for
anything as the VMA will be destroyed by another thread soon and is
already effectively 'unreachable' by userspace.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
PGD 800000012bc50067 P4D 800000012bc50067 PUD 129db5067 PMD 0
Oops: 0000 [#1] SMP PTI
CPU: 1 PID: 2050 Comm: bash Tainted: G W OE 4.20.0-rc6+ #3
Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
RIP: 0010:__rb_erase_color+0xb9/0x280
Code: 84 17 01 00 00 48 3b 68 10 0f 84 15 01 00 00 48 89
58 08 48 89 de 48 89 ef 4c 89 e3 e8 90 84 22 00 e9 60 ff ff ff 48 8b 5d
10 <f6> 03 01 0f 84 9c 00 00 00 48 8b 43 10 48 85 c0 74 09 f6 00 01 0f
RSP: 0018:ffffbecfc090bab8 EFLAGS: 00010246
RAX: ffff97616346cf30 RBX: 0000000000000000 RCX: 0000000000000101
RDX: 0000000000000000 RSI: ffff97623b6ca828 RDI: ffff97621ef10828
RBP: ffff97621ef10828 R08: ffff97621ef10828 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff97623b6ca838
R13: ffffffffbb3fef50 R14: ffff97623b6ca828 R15: 0000000000000000
FS: 00007f7a5c31d740(0000) GS:ffff97623bb00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011255a000 CR4: 00000000000006e0
Call Trace:
unlink_file_vma+0x3b/0x50
free_pgtables+0xa1/0x110
exit_mmap+0xca/0x1a0
? mlx5_ib_dealloc_pd+0x28/0x30 [mlx5_ib]
mmput+0x54/0x140
uverbs_user_mmap_disassociate+0xcc/0x160 [ib_uverbs]
uverbs_destroy_ufile_hw+0xf7/0x120 [ib_uverbs]
ib_uverbs_remove_one+0xea/0x240 [ib_uverbs]
ib_unregister_device+0xfb/0x200 [ib_core]
mlx5_ib_remove+0x51/0xe0 [mlx5_ib]
mlx5_remove_device+0xc1/0xd0 [mlx5_core]
mlx5_unregister_device+0x3d/0xb0 [mlx5_core]
remove_one+0x2a/0x90 [mlx5_core]
pci_device_remove+0x3b/0xc0
device_release_driver_internal+0x16d/0x240
unbind_store+0xb2/0x100
kernfs_fop_write+0x102/0x180
__vfs_write+0x36/0x1a0
? __alloc_fd+0xa9/0x170
? set_close_on_exec+0x49/0x70
vfs_write+0xad/0x1a0
ksys_write+0x52/0xc0
do_syscall_64+0x5b/0x180
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Cc: <stable@vger.kernel.org> # 4.19
Fixes: 5f9794dc94f5 ("RDMA/ucontext: Add a core API for mmaping driver IO memory")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
|
|
The skb should be freed by dev_consume_skb_any() in b44_start_xmit()
when bounce_skb is used. The skb is be replaced by bounce_skb, so the
original skb should be consumed(not drop).
dev_consume_skb_irq() should be called in b44_tx() when skb xmit
done. It makes drop profiles(dropwatch, perf) more friendly.
Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The skb shouled be consumed when xmit done, it makes drop profiles
(dropwatch, perf) more friendly.
dev_kfree_skb_irq()/kfree_skb() shouled be replaced by
dev_consume_skb_any(), it makes code cleaner.
Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
dev_consume_skb_irq() should be called in cp_tx() when skb xmit
done. It makes drop profiles(dropwatch, perf) more friendly.
Signed-off-by: Yang Wei <yang.wei9@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The interrupt handler contains a workaround for RX hang applicable
to Zynq and AT91RM9200 only. Subsequent versions do not need this
workaround. This workaround unnecessarily resets RX whenever RX used
bit read is observed, which can be often under heavy traffic. There
is no other action performed on RX UBR interrupt. Hence introduce a
CAPS mask; enable this interrupt and workaround only on affected
versions.
Signed-off-by: Harini Katakam <harini.katakam@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Add missing break statement in order to prevent the code from falling
through to the default case.
The resoning for this is that pclk_vol_table is an automatic variable.
So, it makes no sense to update it just before falling through to the
default case and return -EINVAL.
This bug was found thanks to the ongoing efforts to enabling
-Wimplicit-fallthrough.
Fixes: cd70f3d6e3fa ("drm/amd/powerplay: PP/DAL interface changes for dynamic clock switch")
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
Check if the device is root rather before attempting to see what
speeds the pcie port supports. Fixes a crash with pci passthrough
in a VM.
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=109366
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
Add missing power_average to visible check for power
attributes for APUs. Was missed before.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
Just use a simple if/else chain to select the DMA mode.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
|
|
Since Linux 4.21 we merged the swiotlb ops into the DMA direct ops,
so they would always have a the sync_single methods. But late in
the cicle we also removed the direct ops entirely, so we'd see NULL
DMA ops. Switch vmw_dma_select_mode to only detect swiotlb presence
using swiotlb_nr_tbl() instead.
Fixes: 55897af630 ("dma-direct: merge swiotlb_dma_ops into the dma_direct code")
Fixes: 356da6d0cd ("dma-mapping: bypass indirect calls for dma-direct")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
|