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767,364 commits
| Message | SHA1 | |
|---|---|---|
VFIO fixes for v4.18
- Make vfio-pci IGD extensions optional via Kconfig (Alex Williamson)
- Remove unused and soon to be removed map_atomic callback from mbochs
sample driver, add unmap callback to avoid dmabuf leaks (Gerd Hoffmann)
- Fix usage of get_user_pages_longterm() (Jason Gunthorpe)
- Fix sample mbochs driver vm_operations_struct.fault return type
(Souptick Joarder)
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Merge tag 'vfio-v4.18-rc4' of git://github.com/awilliam/linux-vfio
Pull VFIO fixes from Alex Williamson:
- Make vfio-pci IGD extensions optional via Kconfig (Alex Williamson)
- Remove unused and soon to be removed map_atomic callback from mbochs
sample driver, add unmap callback to avoid dmabuf leaks (Gerd
Hoffmann)
- Fix usage of get_user_pages_longterm() (Jason Gunthorpe)
- Fix sample mbochs driver vm_operations_struct.fault return type
(Souptick Joarder)
* tag 'vfio-v4.18-rc4' of git://github.com/awilliam/linux-vfio:
sample/vfio-mdev: Change return type to vm_fault_t
vfio: Use get_user_pages_longterm correctly
sample/mdev/mbochs: add mbochs_kunmap_dmabuf
sample/mdev/mbochs: remove mbochs_kmap_atomic_dmabuf
vfio/pci: Make IGD support a configurable option
|
1bb155702d | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"A few more changes for v4.18:
- wire up the two new system calls io_pgetevents and rseq
- fix a register corruption in the expolines code for machines
without EXRL
- drastically reduce the memory utilization of the dasd driver
- fix reference counting for KVM page table pages"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: wire up rseq system call
s390: wire up io_pgetevents system call
s390/mm: fix refcount usage for 4K pgste
s390/dasd: reduce the default queue depth and nr of hardware queues
s390: Correct register corruption in critical section cleanup
|
b4d0562137 | |
amdgpu, i915, exynos, udl, sii8620 and core fixes
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Merge tag 'drm-fixes-2018-07-06' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"This is the drm fixes for rc4.
It's a bit larger than I'd like but the exynos cleanups are pretty
mechanical, and I'd rather have them in sooner rather than later so we
can avoid too much conflicts around them. The non-mechanincal exynos
changes are mostly fixes for new feature recently introduced.
Apart from the exynos updates, we have:
i915:
- GVT and GGTT mapping fixes
amdgpu:
- fix HDMI2.0 4K@60 Hz regression
- Hotplug fixes for dual-GPU laptops to make power management better
- misc vega12 bios fixes, a race fix and some typos.
sii8620 bridge:
- small fixes around mode setting
core:
- use kvzalloc to allocate blob property memory"
* tag 'drm-fixes-2018-07-06' of git://anongit.freedesktop.org/drm/drm: (34 commits)
drm/amd/display: add a check for display depth validity
drm/amd/display: adding ycbcr420 pixel encoding for hdmi
drm/udl: fix display corruption of the last line
drm/bridge/sii8620: Fix link mode selection
drm/bridge/sii8620: Fix display of packed pixel modes
drm/bridge/sii8620: Send AVI infoframe in all MHL versions
drm/amdgpu: fix user fence write race condition
drm/i915: Try GGTT mmapping whole object as partial
drm/amdgpu/pm: fix display count in non-DC path
drm/amdgpu: fix swapped emit_ib_size in vce3
drm: Use kvzalloc for allocating blob property memory
drm/i915/gvt: changed DDI mode emulation type
drm/i915/gvt: fix a bug of partially write ggtt enties
drm/exynos: Replace drm_dev_unref with drm_dev_put
drm/exynos: Replace drm_gem_object_unreference_unlocked with put function
drm/exynos: Replace drm_framebuffer_{un/reference} with put,get functions
drm/exynos: ipp: use correct enum type
drm/exynos: decon5433: Fix WINCONx reset value
drm/exynos: decon5433: Fix per-plane global alpha for XRGB modes
drm/exynos: fimc: Use real buffer width for configuring the hardware
...
|
c42c12a905 | |
While cleaning out my INBOX, I found a few patches that were lost
in the noise. These are minor bug fixes and clean ups. Those include: - Avoiding a string overflow - Code that didn't match the comment (but should) - A small code optimization (use of a conditional) - Quieting printf warnings - Nuking unused code - Fixing function graph interrupt annotation -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCWz7ARhQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qmMqAQDTS7uvFLRR603WXyOazX6Y7FeiYFWp MUUZjnbG9u0bawEAulW53AM0OL3EAAaZKtPi8VtsT+uktR1GIynXrp+yoww= =yQDv -----END PGP SIGNATURE----- Merge tag 'trace-v4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes and cleanups from Steven Rostedt: "While cleaning out my INBOX, I found a few patches that were lost in the noise. These are minor bug fixes and clean ups. Those include: - avoid a string overflow - code that didn't match the comment (but should) - a small code optimization (use of a conditional) - quiet printf warnings - nuke unused code - fix function graph interrupt annotation" * tag 'trace-v4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix missing return symbol in function_graph output ftrace: Nuke clear_ftrace_function tracing: Use __printf markup to silence compiler tracing: Optimize trace_buffer_iter() logic tracing: Make create_filter() code match the comments tracing: Avoid string overflow |
97f4e14229 | |
Fixups
- Fix several problems to IPPv2 merged to mainline recentely.
. An align problem of width size that IPP driver incorrectly
calculated the real buffer size.
. Horizontal and vertical flip problem.
. Per-plane global alpha for XRGB modes.
. Incorrect variant of the YUV modes.
- Fix plane overlapping problem.
. The stange order of overlapping planes on XRGB modes
by setting global alpha value to maximum value.
Cleanup
- Rename a enum type, drm_ipp_size_id, to one specific to Exynos,
drm_exynos_ipp_limit_type.
- Replace {un/reference} with {put,get} functions.
. it replaces several reference/unreference functions with Linux
kernel nameing standard.
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Merge tag 'exynos-drm-fixes-for-v4.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Fixups
- Fix several problems to IPPv2 merged to mainline recentely.
. An align problem of width size that IPP driver incorrectly
calculated the real buffer size.
. Horizontal and vertical flip problem.
. Per-plane global alpha for XRGB modes.
. Incorrect variant of the YUV modes.
- Fix plane overlapping problem.
. The stange order of overlapping planes on XRGB modes
by setting global alpha value to maximum value.
Cleanup
- Rename a enum type, drm_ipp_size_id, to one specific to Exynos,
drm_exynos_ipp_limit_type.
- Replace {un/reference} with {put,get} functions.
. it replaces several reference/unreference functions with Linux
kernel nameing standard.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1530512041-21392-1-git-send-email-inki.dae@samsung.com
|
c78d1f9d95 | |
Merge branch 'drm-fixes-4.18' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
- Fix an HDMI 2.0 4k@60 regression - Hotplug fixes for PX/HG laptops - Fixes for vbios changes in vega12 - Fix a race in the user fence code - Fix a couple of misc typos Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180705155206.2752-1-alexander.deucher@amd.com |
c8440a70bd | |
A couple of GVT fixes, and a GGTT mmapping fix.
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0581a5cb06 | |
Fixes for v4.18-rc4:
- A few small fixes for the sii8620 bridge. - Allocate blob property memory using kvzalloc instead of kmalloc. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEuXvWqAysSYEJGuVH/lWMcqZwE8MFAls+Gq4ACgkQ/lWMcqZw E8PrGxAAiDFICLETi/mmVNleRvmhYKiJIOIgyk6KlVg2EwGuYvJfU3WHmzdrV8rA 6WPPiVoPI4KKYARBqS1nQCDByWx0ZJ+AXrJLpkzfctCKJGnBQKRjsykwD1jmoeY9 EgXJbjLUbIpFzo4aeNUEuezXuFWQFuzRA+5EySiK5njE3wqowoRkX2m4yDRDayFH HgQzhIAl3iEQqx2lgmVo1Pn/yiPMev2kXFr6TIdGs8u2ompKSpFNTYdunjmfh45X m77lVx9OkynETnoIqo5sy+YGW+Hzc0II/Re+HBmqbSPc3TJOErzHJikMUd2NnLsi GAP5LnGuQAFiN7FqCiNxAyl+OtbDdw7MEWxCr2ec41vNOyLGbBN7Aqb7a68pAH8M MJcOnbinYpZns6FVsR8ZP5HW9jWvow4NWBKx2R7n2g2ysMed4N2EKEHznxPhvGVu f1b0PoBodZ/SdOuVsli4sHrn5iOxhYZF2S/ynhgsxjSeQ4gXpUMXgs9US5be7L0C DVxUIMYk5Nyhg2LCz/eHQnyT/hLj4VjvbYFsDgSWCJAO/u3QRuVPGDKLnDI6MOXH 3+8z/3zkviz0dTKilY6v5EfnpFmGXmGNIj/DlnmpHstfJ8rwm2haaeauQZ00Uj1R namWJIwjxbRG539UhGPXYGW3+UTyHpzBhlrk9GXTawQ2iPfh2EU= =bfQR -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2018-07-05' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes Fixes for v4.18-rc4: - A few small fixes for the sii8620 bridge. - Allocate blob property memory using kvzalloc instead of kmalloc. Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/4267636e-bb7c-8f69-eeff-12e045b3e7e1@linux.intel.com |
b7716735bb | |
Fix up non-directory creation in SGID directories
sgid directories have special semantics, making newly created files in the directory belong to the group of the directory, and newly created subdirectories will also become sgid. This is historically used for group-shared directories. But group directories writable by non-group members should not imply that such non-group members can magically join the group, so make sure to clear the sgid bit on non-directories for non-members (but remember that sgid without group execute means "mandatory locking", just to confuse things even more). Reported-by: Jann Horn <jannh@google.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
0fa3ecd878 | |
autofs: rename 'autofs' module back to 'autofs4'
It turns out that systemd has a bug: it wants to load the autofs module early because of some initialization ordering with udev, and it doesn't do that correctly. Everywhere else it does the proper "look up module name" that does the proper alias resolution, but in that early code, it just uses a hardcoded "autofs4" for the module name. The result of that is that as of commit |
d02d21ea00 | |
ACPI fixes for 4.18-rc4
- Revert part of a recent ACPICA regression fix that added leading
newlines to ACPICA error messages and made the kernel log look
broken (Rafael Wysocki).
- Fix an ACPI battery driver regression introduced during the 4.17
cycle due to incorrect error handling that made Thinkpad 13
laptops crash on boot (Jouke Witteveen).
- Fix up the recently added PPTT ACPI table support by covering
the case when a PPTT structure represents a processors group
correctly (Sudeep Holla).
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Merge tag 'acpi-4.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix a recent ACPICA regression, fix a battery driver regression
introduced during the 4.17 cycle and fix up the recently added support
for the PPTT ACPI table.
Specifics:
- Revert part of a recent ACPICA regression fix that added leading
newlines to ACPICA error messages and made the kernel log look
broken (Rafael Wysocki).
- Fix an ACPI battery driver regression introduced during the 4.17
cycle due to incorrect error handling that made Thinkpad 13 laptops
crash on boot (Jouke Witteveen).
- Fix up the recently added PPTT ACPI table support by covering the
case when a PPTT structure represents a processors group correctly
(Sudeep Holla)"
* tag 'acpi-4.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / battery: Safe unregistering of hooks
ACPI / PPTT: use ACPI ID whenever ACPI_PPTT_ACPI_PROCESSOR_ID_VALID is set
ACPICA: Drop leading newlines from error messages
|
06c8563989 | |
Power management fixes for 4.18-rc4
- Resume parallel PCI (non-PCIe) bridges on suspend-to-RAM (ACP S3)
to avoid confusing the platform firmware which started to happen
after a core power management regression fix that went in during
the 4.17 cycle (Rafael Wysocki).
- Fix up the recently added support for devices in multiple power
domains by avoiding to power up the entire domain unnecessarily
when attaching a device to it (Ulf Hansson).
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Merge tag 'pm-4.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a PCI power management regression introduced during the 4.17
cycle and fix up the recently added support for devices in multiple
power domains.
Specifics:
- Resume parallel PCI (non-PCIe) bridges on suspend-to-RAM (ACP S3)
to avoid confusing the platform firmware which started to happen
after a core power management regression fix that went in during
the 4.17 cycle (Rafael Wysocki).
- Fix up the recently added support for devices in multiple power
domains by avoiding to power up the entire domain unnecessarily
when attaching a device to it (Ulf Hansson)"
* tag 'pm-4.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / Domains: Don't power on at attach for the multi PM domain case
PCI / ACPI / PM: Resume bridges w/o drivers on suspend-to-RAM
|
90dc8b65d2 | |
RISC-V Fixus for 4.18-rc4
This patch set contains a handful of fixes for the RISC-V port:
* A fix to R_RISCV_ADD32/R_RISCV_SUB32 relocations that allows modules
that use these to load correctly.
* The removal of of_platform_populate(), which is obselete.
* The removal of irq-riscv-intc.h, which is obselete.
* A fix to PTRACE_SETREGSET.
* Fixes that allow the RV32I kernel to build (at least for Zong, I've
got another patch on the mailing list that's necessary on my setup
:)).
I've just given these a defconfig build test.
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Merge tag 'riscv-for-linus-4.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
Pull RISC-V fixes from Palmer Dabbelt:
"This contains a handful of fixes for the RISC-V port:
- A fix to R_RISCV_ADD32/R_RISCV_SUB32 relocations that allows
modules that use these to load correctly.
- The removal of of_platform_populate(), which is obselete.
- The removal of irq-riscv-intc.h, which is obselete.
- A fix to PTRACE_SETREGSET.
- Fixes that allow the RV32I kernel to build (at least for Zong, I've
got another patch on the mailing list that's necessary on my setup :)).
I've just given these a defconfig build test"
* tag 'riscv-for-linus-4.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux:
RISC-V: Fix PTRACE_SETREGSET bug.
RISC-V: Don't include irq-riscv-intc.h
riscv: remove unnecessary of_platform_populate call
RISC-V: fix R_RISCV_ADD32/R_RISCV_SUB32 relocations
RISC-V: Change variable type for 32-bit compatible
RISC-V: Add definiion of extract symbol's index and type for 32-bit
RISC-V: Select GENERIC_UCMPDI2 on RV32I
RISC-V: Add conditional macro for zone of DMA32
|
b19b928209 | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu fix from Greg Ungerer: "A single fix for breakage introduced in this merge window" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: fix "bad page state" oops on ColdFire boot |
760885f282 | |
drm/amd/display: add a check for display depth validity
[why] HDMI 2.0 fails to validate 4K@60 timing with 10 bpc [how] Adding a helper function that would verify if the display depth assigned would pass a bandwidth validation. Drop the display depth by one level till calculated pixel clk is lower than maximum TMDS clk. Bugzilla: https://bugs.freedesktop.org/106959 Tested-by: Mike Lothian <mike@fireburn.co.uk> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
413ff0b942 | |
drm/amd/display: adding ycbcr420 pixel encoding for hdmi
[why] HDMI EDID's VSDB contains spectial timings for specifically YCbCr 4:2:0 colour space. In those cases we need to verify if the mode provided is one of the special ones has to use YCbCr 4:2:0 pixel encoding for display info. [how] Verify if the mode is using specific ycbcr420 colour space with the help of DRM helper function and assign the mode to use ycbcr420 pixel encoding. Tested-by: Mike Lothian <mike@fireburn.co.uk> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
a6311be8f0 | |
Merge branches 'acpi-tables' and 'acpica'
Merge ACPICA regression fix and a fix for the recently added PPTT support. * acpi-tables: ACPI / PPTT: use ACPI ID whenever ACPI_PPTT_ACPI_PROCESSOR_ID_VALID is set * acpica: ACPICA: Drop leading newlines from error messages |
df958569db | |
Merge branch 'pm-pci'
Merge a PCI power management regression fix. * pm-pci: PCI / ACPI / PM: Resume bridges w/o drivers on suspend-to-RAM |
88b96088e9 | |
drm/udl: fix display corruption of the last line
The displaylink hardware has such a peculiarity that it doesn't render a command until next command is received. This produces occasional corruption, such as when setting 22x11 font on the console, only the first line of the cursor will be blinking if the cursor is located at some specific columns. When we end up with a repeating pixel, the driver has a bug that it leaves one uninitialized byte after the command (and this byte is enough to flush the command and render it - thus it fixes the screen corruption), however whe we end up with a non-repeating pixel, there is no byte appended and this results in temporary screen corruption. This patch fixes the screen corruption by always appending a byte 0xAF at the end of URB. It also removes the uninitialized byte. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com> |
99ec9e7751 | |
RISC-V: Fix the rv32i kernel build
These patches for building 32-bit RISC-V kernel. - Fix the compile errors and warnings on RV32I. - Fix some incompatible problem on RV32I. - Add format.h for compatible of print format. The fixed width integer types format for Elf_Addr will move to generic header by another patch. For now, there are some warning about unexpected argument of type on RV32I. Change in v1: - Fix some error in v1 - Remove implementation of fixed width integer types format for Elf_Addr. |
9a6a51154f |
|
RISC-V: Fix PTRACE_SETREGSET bug.
In riscv_gpr_set, pass regs instead of ®s to user_regset_copyin to fix gdb segfault. Signed-off-by: Jim Wilson <jimw@sifive.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> |
1db9b80980 |
|
RISC-V: Don't include irq-riscv-intc.h
This file has never existed in the upstream kernel, but it's guarded by an #ifdef that's also never existed in the upstream kernel. As a part of our interrupt controller refactoring this header is no longer necessary, but this reference managed to sneak in anyway. Signed-off-by: Palmer Dabbelt <palmer@sifive.com> |
8606544890 |
|
riscv: remove unnecessary of_platform_populate call
The DT core will call of_platform_default_populate, so it is not necessary for arch specific code to call it unless there are custom match entries, auxdata or parent device. Neither of those apply here, so remove the call. Cc: Palmer Dabbelt <palmer@sifive.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: linux-riscv@lists.infradead.org Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> |
f67f10b8a6 |
|
RISC-V: fix R_RISCV_ADD32/R_RISCV_SUB32 relocations
The R_RISCV_ADD32/R_RISCV_SUB32 relocations should add/subtract the address of the symbol (without overflow check), not its contents. Signed-off-by: Andreas Schwab <schwab@suse.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> |
781c8fe2da |
|
RISC-V: Change variable type for 32-bit compatible
Signed-off-by: Zong Li <zong@andestech.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> |
7df8500217 |
|
RISC-V: Add definiion of extract symbol's index and type for 32-bit
Use generic marco to get the index and type of symbol. Signed-off-by: Zong Li <zong@andestech.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> |
c480d8911f |
|
RISC-V: Select GENERIC_UCMPDI2 on RV32I
On 32-bit, it need to use __ucmpdi2, otherwise, it can't find the __ucmpdi2 symbol. Signed-off-by: Zong Li <zong@andestech.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> |
8f79125d28 |
|
RISC-V: Add conditional macro for zone of DMA32
The DMA32 is for 64-bit usage. Signed-off-by: Zong Li <zong@andestech.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> |
d5fad48cfb |
|
sample/vfio-mdev: Change return type to vm_fault_t
convert mbochs_region_vm_fault and mbochs_dmabuf_vm_fault to return vm_fault_t type. Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
d7ef4899d7 | |
drm/bridge/sii8620: Fix link mode selection
Current link mode values do not allow to enable packed pixel modes. Select packed pixel clock mode, if needed, every time the link mode register gets updated. Signed-off-by: Maciej Purski <m.purski@samsung.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/1530204243-6370-4-git-send-email-m.purski@samsung.com |
44f9a4b0dc | |
drm/bridge/sii8620: Fix display of packed pixel modes
Current implementation does not guarantee packed pixel modes working
with every dongle. There are some dongles, which require selecting
the output mode explicitly.
Write proper values to registers in packed_pixel mode, based on how it
is done in vendor's code. Select output color space: RGB
(no packed pixel) or YCBCR422 (packed pixel).
This reverts commit
|
fdddc65ab3 | |
drm/bridge/sii8620: Send AVI infoframe in all MHL versions
Currently AVI infoframe is sent only in MHL3. However, some MHL2 dongles need AVI infoframe to work correctly in either packed pixel mode or non-packed pixel mode. Send AVI infoframe in set_infoframes() in every case. Create an infoframe using drm_hdmi_infoframe_from_display_mode() instead of manually filling each infoframe structure's field. Signed-off-by: Maciej Purski <m.purski@samsung.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/1530204243-6370-2-git-send-email-m.purski@samsung.com |
f0139752f7 | |
ACPI / battery: Safe unregistering of hooks
A hooking API was implemented for 4.17 in |
673b427166 | |
drm/amdgpu: fix user fence write race condition
The buffer object backing the user fence is reserved using the non-user fence, i.e., as soon as the non-user fence is signaled, the user fence buffer object can be moved or even destroyed. Therefore, emit the user fence first. Both fences have the same cache invalidation behavior, so this should have no user-visible effect. Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org |
c660f40b71 | |
s390: wire up rseq system call
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
9d6d99e3ac | |
s390: wire up io_pgetevents system call
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
8bf935501a | |
mm: teach dump_page() to correctly output poisoned struct pages
If struct page is poisoned, and uninitialized access is detected via
PF_POISONED_CHECK(page) dump_page() is called to output the page. But,
the dump_page() itself accesses struct page to determine how to print
it, and therefore gets into a recursive loop.
For example:
dump_page()
__dump_page()
PageSlab(page)
PF_POISONED_CHECK(page)
VM_BUG_ON_PGFLAGS(PagePoisoned(page), page)
dump_page() recursion loop.
Link: http://lkml.kernel.org/r/20180702180536.2552-1-pasha.tatashin@oracle.com
Fixes:
|
fc36def997 | |
ARM: disable KCOV for trusted foundations code
The ARM trusted foundations code is currently broken in linux-next when
CONFIG_KCOV_INSTRUMENT_ALL is set:
/tmp/ccHdQsCI.s: Assembler messages:
/tmp/ccHdQsCI.s:37: Error: .err encountered
/tmp/ccHdQsCI.s:38: Error: .err encountered
/tmp/ccHdQsCI.s:39: Error: .err encountered
scripts/Makefile.build:311: recipe for target 'arch/arm/firmware/trusted_foundations.o' failed
I could not find a function attribute that lets me disable
-fsanitize-coverage=trace-pc for just one function, so this turns it off
for the entire file instead.
Link: http://lkml.kernel.org/r/20180529103636.1535457-1-arnd@arndb.de
Fixes:
|
5e4e290d37 | |
kasan: fix shadow_size calculation error in kasan_module_alloc
There is a special case that the size is "(N << KASAN_SHADOW_SCALE_SHIFT)
Pages plus X", the value of X is [1, KASAN_SHADOW_SCALE_SIZE-1]. The
operation "size >> KASAN_SHADOW_SCALE_SHIFT" will drop X, and the
roundup operation can not retrieve the missed one page. For example:
size=0x28006, PAGE_SIZE=0x1000, KASAN_SHADOW_SCALE_SHIFT=3, we will get
shadow_size=0x5000, but actually we need 6 pages.
shadow_size = round_up(size >> KASAN_SHADOW_SCALE_SHIFT, PAGE_SIZE);
This can lead to a kernel crash when kasan is enabled and the value of
mod->core_layout.size or mod->init_layout.size is like above. Because
the shadow memory of X has not been allocated and mapped.
move_module:
ptr = module_alloc(mod->core_layout.size);
...
memset(ptr, 0, mod->core_layout.size); //crashed
Unable to handle kernel paging request at virtual address ffff0fffff97b000
......
Call trace:
__asan_storeN+0x174/0x1a8
memset+0x24/0x48
layout_and_allocate+0xcd8/0x1800
load_module+0x190/0x23e8
SyS_finit_module+0x148/0x180
Link: http://lkml.kernel.org/r/1529659626-12660-1-git-send-email-thunder.leizhen@huawei.com
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Reviewed-by: Dmitriy Vyukov <dvyukov@google.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Hanjun Guo <guohanjun@huawei.com>
Cc: Libin <huawei.libin@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
1e8e18f694 | |
mm: hugetlb: yield when prepping struct pages
When booting with very large numbers of gigantic (i.e. 1G) pages, the operations in the loop of gather_bootmem_prealloc, and specifically prep_compound_gigantic_page, takes a very long time, and can cause a softlockup if enough pages are requested at boot. For example booting with 3844 1G pages requires prepping (set_compound_head, init the count) over 1 billion 4K tail pages, which takes considerable time. Add a cond_resched() to the outer loop in gather_bootmem_prealloc() to prevent this lockup. Tested: Booted with softlockup_panic=1 hugepagesz=1G hugepages=3844 and no softlockup is reported, and the hugepages are reported as successfully setup. Link: http://lkml.kernel.org/r/20180627214447.260804-1-cannonmatthews@google.com Signed-off-by: Cannon Matthews <cannonmatthews@google.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Andres Lagar-Cavilla <andreslc@google.com> Cc: Peter Feiner <pfeiner@google.com> Cc: Greg Thelen <gthelen@google.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
520495fe96 | |
userfaultfd: hugetlbfs: fix userfaultfd_huge_must_wait() pte access
Use huge_ptep_get() to translate huge ptes to normal ptes so we can
check them with the huge_pte_* functions. Otherwise some architectures
will check the wrong values and will not wait for userspace to bring in
the memory.
Link: http://lkml.kernel.org/r/20180626132421.78084-1-frankja@linux.ibm.com
Fixes:
|
1e2c043628 | |
tracing: Fix missing return symbol in function_graph output
The function_graph tracer does not show the interrupt return marker for the
leaf entry. On leaf entries, we see an unbalanced interrupt marker (the
interrupt was entered, but nevern left).
Before:
1) | SyS_write() {
1) | __fdget_pos() {
1) 0.061 us | __fget_light();
1) 0.289 us | }
1) | vfs_write() {
1) 0.049 us | rw_verify_area();
1) + 15.424 us | __vfs_write();
1) ==========> |
1) 6.003 us | smp_apic_timer_interrupt();
1) 0.055 us | __fsnotify_parent();
1) 0.073 us | fsnotify();
1) + 23.665 us | }
1) + 24.501 us | }
After:
0) | SyS_write() {
0) | __fdget_pos() {
0) 0.052 us | __fget_light();
0) 0.328 us | }
0) | vfs_write() {
0) 0.057 us | rw_verify_area();
0) | __vfs_write() {
0) ==========> |
0) 8.548 us | smp_apic_timer_interrupt();
0) <========== |
0) + 36.507 us | } /* __vfs_write */
0) 0.049 us | __fsnotify_parent();
0) 0.066 us | fsnotify();
0) + 50.064 us | }
0) + 50.952 us | }
Link: http://lkml.kernel.org/r/1517413729-20411-1-git-send-email-changbin.du@intel.com
Cc: stable@vger.kernel.org
Fixes:
|
1fe4293f4b | |
ftrace: Nuke clear_ftrace_function
clear_ftrace_function is not used outside of ftrace.c and is not help to use a function, so nuke it per Steve's suggestion. Link: http://lkml.kernel.org/r/1517537689-34947-1-git-send-email-xieyisheng1@huawei.com Suggested-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> |
5ccba64a56 | |
tracing: Use __printf markup to silence compiler
Silence warnings (triggered at W=1) by adding relevant __printf attributes. CC kernel/trace/trace.o kernel/trace/trace.c: In function ‘__trace_array_vprintk’: kernel/trace/trace.c:2979:2: warning: function might be possible candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] len = vscnprintf(tbuffer, TRACE_BUF_SIZE, fmt, args); ^~~ AR kernel/trace/built-in.o Link: http://lkml.kernel.org/r/20180308205843.27447-1-malat@debian.org Signed-off-by: Mathieu Malaterre <malat@debian.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> |
26b68dd2f4 | |
tracing: Optimize trace_buffer_iter() logic
Simplify and optimize the logic in trace_buffer_iter() to use a conditional operation instead of an if conditional. Link: http://lkml.kernel.org/r/20180408113631.3947-1-cugyly@163.com Signed-off-by: yuan linyu <Linyu.Yuan@alcatel-sbell.com.cn> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> |
f26808ba72 | |
tracing: Make create_filter() code match the comments
The comment in create_filter() states that the passed in filter pointer (filterp) will either be NULL or contain an error message stating why the filter failed. But it also expects the filter pointer to point to NULL when passed in. If it is not, the function create_filter_start() will warn and return an error message without updating the filter pointer. This is not what the comment states. As we always expect the pointer to point to NULL, if it is not, trigger a WARN_ON(), set it to NULL, and then continue the path as the rest will work as the comment states. Also update the comment to state it must point to NULL. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> |
f90658725b | |
tracing: Avoid string overflow
'err' is used as a NUL-terminated string, but using strncpy() with the length
equal to the buffer size may result in lack of the termination:
kernel/trace/trace_events_hist.c: In function 'hist_err_event':
kernel/trace/trace_events_hist.c:396:3: error: 'strncpy' specified bound 256 equals destination size [-Werror=stringop-truncation]
strncpy(err, var, MAX_FILTER_STR_VAL);
This changes it to use the safer strscpy() instead.
Link: http://lkml.kernel.org/r/20180328140920.2842153-1-arnd@arndb.de
Cc: stable@vger.kernel.org
Fixes:
|
cf4d418e65 | |
net/smc: fix up merge error with poll changes
My networking merge (commit |
410da1e12f | |
PM / Domains: Don't power on at attach for the multi PM domain case
There are no legacy behavior in drivers to consider while attaching a
device to genpd - for the multiple PM domain case.
For that reason, let's instead require the driver to runtime resume the
device, via calling pm_runtime_get_sync() for example, when it needs to
power on the corresponding PM domain.
This allows us to improve the situation during attach. Instead of always
power on the PM domain, which may be unnecessary, let's leave it in its
current state. Additionally, to avoid the PM domain to stay powered on,
let's schedule a power off work.
Fixes:
|
895b66129a | |
Merge tag 'gvt-fixes-2018-07-03' of https://github.com/intel/gvt-linux into drm-intel-fixes
gvt-fixes-2018-07-03 - replace virtual transcoder mode as DVI to fix guest warning (Xiaolin) - fix partial GGTT entry write (Yan) Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180703061139.GQ1267@zhen-hp.sh.intel.com |
3030deda09 |