This is Alex' description from the "Looking for clarifications around gfx/kcq/kiq"
thread, edited to fit as ReST.
Original text: https://www.spinics.net/lists/amd-gfx/msg71383.html
Originally-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yann Dirson <ydirson@free.fr>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This describes in broad lines the how an AMD GPU is organized, in
terms of hardware blocks.
This is Alex' description from the "gpu block diagram" thread, edited to
fit as ReST.
Original text: https://www.spinics.net/lists/amd-gfx/msg71543.html
Originally-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Yann Dirson <ydirson@free.fr>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This starts to make the formated index much more manageable to the reader.
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Yann Dirson <ydirson@free.fr>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
In the DC driver, we have multiple acronyms that are not obvious most of
the time; the same idea is valid for amdgpu. This commit introduces a DC
and amdgpu glossary in order to make it easier to navigate through our
driver.
Changes since V3:
- Yann: Add new acronyms to amdgpu glossary
- Daniel: Add link between dc and amdgpu glossary
Changes since V2:
- Add MMHUB
Changes since V1:
- Yann: Divide glossary based on driver context.
- Alex: Make terms more consistent and update CPLIB
- Add new acronyms to the glossary
Reviewed-by: Yann Dirson <ydirson@free.fr>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit describes how DCN works by providing high-level diagrams
with an explanation of each component. In particular, it details the
Global Sync signals.
Change since V2:
- Add a comment about MMHUBBUB.
Reviewed-by: Yann Dirson <ydirson@free.fr>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Introduce how to collect DTN log from debugfs.
Reviewed-by: Yann Dirson <ydirson@free.fr>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Display core provides a feature that makes it easy for users to debug
Pipe Split. This commit introduces how to use such a debug option.
Reviewed-by: Yann Dirson <ydirson@free.fr>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Display core provides a feature that makes it easy for users to debug
Multiple planes by enabling a visual notification at the bottom of each
plane. This commit introduces how to use such a feature.
Reviewed-by: Yann Dirson <ydirson@free.fr>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Display core documentation is not well organized, and it is hard to find
information due to the lack of sections. This commit reorganizes the
documentation layout, and it is preparation work for future changes.
Changes since V1:
- Christian: Group amdgpu documentation together.
- Daniel: Drop redundant amdgpu prefix.
- Jani: Create index pages.
- Yann: Mirror display folder in the documentation.
Reviewed-by: Yann Dirson <ydirson@free.fr>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
- 2 fixes due to DT node name changes on Arm, Ltd. boards
- Treewide rename of Ingenic CGU headers
- Update ST email addresses
- Remove Netlogic DT bindings
- Dropping few more cases of redundant 'maxItems' in schemas
- Convert toshiba,tc358767 bridge binding to schema
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Merge tag 'devicetree-fixes-for-5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Two fixes due to DT node name changes on Arm, Ltd. boards
- Treewide rename of Ingenic CGU headers
- Update ST email addresses
- Remove Netlogic DT bindings
- Dropping few more cases of redundant 'maxItems' in schemas
- Convert toshiba,tc358767 bridge binding to schema
* tag 'devicetree-fixes-for-5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: watchdog: sunxi: fix error in schema
bindings: media: venus: Drop redundant maxItems for power-domain-names
dt-bindings: Remove Netlogic bindings
clk: versatile: clk-icst: Ensure clock names are unique
of: Support using 'mask' in making device bus id
dt-bindings: treewide: Update @st.com email address to @foss.st.com
dt-bindings: media: Update maintainers for st,stm32-hwspinlock.yaml
dt-bindings: media: Update maintainers for st,stm32-cec.yaml
dt-bindings: mfd: timers: Update maintainers for st,stm32-timers
dt-bindings: timer: Update maintainers for st,stm32-timer
dt-bindings: i2c: imx: hardware do not restrict clock-frequency to only 100 and 400 kHz
dt-bindings: display: bridge: Convert toshiba,tc358767.txt to yaml
dt-bindings: Rename Ingenic CGU headers to ingenic,*.h
- Do not log spurious corrected MCEs on SKL too, due to an erratum
- Clarify the path of paravirt ops patches upstream
- Add an optimization to avoid writing out AMX components to sigframes
when former are in init state
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Merge tag 'x86_urgent_for_v5.16_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Add the model number of a new, Raptor Lake CPU, to intel-family.h
- Do not log spurious corrected MCEs on SKL too, due to an erratum
- Clarify the path of paravirt ops patches upstream
- Add an optimization to avoid writing out AMX components to sigframes
when former are in init state
* tag 'x86_urgent_for_v5.16_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Add Raptor Lake to Intel family
x86/mce: Add errata workaround for Skylake SKX37
MAINTAINERS: Add some information to PARAVIRT_OPS entry
x86/fpu: Optimize out sigframe xfeatures when in init state
a little more time to soak in linux-next.
- Use modern i2c probe in vc5
- Cleanup some includes
- Update links to datasheets
- Add UniPhier NX1 SoC clk support
- Fix DT bindings for SiFive FU740
- Revert the module platform driver support for Rockchip out
because it wasn't actually tested
- Fix the composite clk code again as the previous fix had a
one line bug that broke rate changes for clks that want to use
the same parent still
- Use the right table for a divider in ast2600 driver
- Get rid of gcc_aggre1_pnoc_ahb_clk in qcom clk driver again because
its critical but unused
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull more clk updates from Stephen Boyd:
"This is the second batch of clk driver updates that needed a little
more time to soak in linux-next.
- Use modern i2c probe in vc5
- Cleanup some includes
- Update links to datasheets
- Add UniPhier NX1 SoC clk support
- Fix DT bindings for SiFive FU740
- Revert the module platform driver support for Rockchip because it
wasn't actually tested
- Fix the composite clk code again as the previous fix had a one line
bug that broke rate changes for clks that want to use the same
parent still
- Use the right table for a divider in ast2600 driver
- Get rid of gcc_aggre1_pnoc_ahb_clk in qcom clk driver again because
its critical but unused"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: qcom: gcc-msm8996: Drop (again) gcc_aggre1_pnoc_ahb_clk
clk: imx8m: Do not set IMX_COMPOSITE_CORE for non-regular composites
clk/ast2600: Fix soc revision for AHB
clk: composite: Fix 'switching' to same clock
clk: rockchip: drop module parts from rk3399 and rk3568 drivers
Revert "clk: rockchip: use module_platform_driver_probe"
clk:mediatek: remove duplicate include in clk-mt8195-imp_iic_wrap.c
dt-bindings: clock: fu740-prci: add reset-cells
clk: uniphier: Add SoC-glue clock source selector support for Pro4
dt-bindings: clock: uniphier: Add clock binding for SoC-glue
clk: uniphier: Add NX1 clock support
dt-bindings: clock: uniphier: Add NX1 clock binding
clk: uniphier: Add audio system and video input clock control for PXs3
clk: si5351: Update datasheet references
clk: vc5: Use i2c .probe_new
clk/actions/owl-factor.c: remove superfluous headers
clk: ingenic: Fix bugs with divided dividers
In this cycle, we've applied relatively small number of patches which fix subtle
corner cases mainly, while introducing a new mount option to be able to fragment
the disk intentionally for performance tests.
Enhancement:
- add a mount option to fragmente on-disk layout to understand the performance
- support direct IO for multi-partitions
- add a fault injection of dquot_initialize
Bug fix:
- address some lockdep complaints
- fix a deadlock issue with quota
- fix a memory tuning condition
- fix compression condition to improve the ratio
- fix disabling compression on the non-empty compressed file
- invalidate cached pages before IPU/DIO writes
And, we've added some minor clean-ups as usual.
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Merge tag 'f2fs-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this cycle, we've applied relatively small number of patches which
fix subtle corner cases mainly, while introducing a new mount option
to be able to fragment the disk intentionally for performance tests.
Enhancements:
- add a mount option to fragmente on-disk layout to understand the
performance
- support direct IO for multi-partitions
- add a fault injection of dquot_initialize
Bug fixes:
- address some lockdep complaints
- fix a deadlock issue with quota
- fix a memory tuning condition
- fix compression condition to improve the ratio
- fix disabling compression on the non-empty compressed file
- invalidate cached pages before IPU/DIO writes
And, we've added some minor clean-ups as usual"
* tag 'f2fs-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
f2fs: fix UAF in f2fs_available_free_memory
f2fs: invalidate META_MAPPING before IPU/DIO write
f2fs: support fault injection for dquot_initialize()
f2fs: fix incorrect return value in f2fs_sanity_check_ckpt()
f2fs: compress: disallow disabling compress on non-empty compressed file
f2fs: compress: fix overwrite may reduce compress ratio unproperly
f2fs: multidevice: support direct IO
f2fs: introduce fragment allocation mode mount option
f2fs: replace snprintf in show functions with sysfs_emit
f2fs: include non-compressed blocks in compr_written_block
f2fs: fix wrong condition to trigger background checkpoint correctly
f2fs: fix to use WHINT_MODE
f2fs: fix up f2fs_lookup tracepoints
f2fs: set SBI_NEED_FSCK flag when inconsistent node block found
f2fs: introduce excess_dirty_threshold()
f2fs: avoid attaching SB_ACTIVE flag during mount
f2fs: quota: fix potential deadlock
f2fs: should use GFP_NOFS for directory inodes
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Merge tag 'selinux-pr-20211112' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux fixes from Paul Moore:
"Unfortunately I need to request a revert for two LSM/SELinux patches
that came in via the network tree. The two patches in question add a
new SCTP/LSM hook as well as an SELinux implementation of that LSM
hook. The short version of "why?" is in the commit description of the
revert patch, but I'll copy-n-paste the important bits below to save
some time for the curious:
... Unfortunately these two patches were merged without proper
review (the Reviewed-by and Tested-by tags from Richard Haines
were for previous revisions of these patches that were
significantly different) and there are outstanding objections from
the SELinux maintainers regarding these patches.
Work is currently ongoing to correct the problems identified in
the reverted patches, as well as others that have come up during
review, but it is unclear at this point in time when that work
will be ready for inclusion in the mainline kernel. In the
interest of not keeping objectionable code in the kernel for
multiple weeks, and potentially a kernel release, we are reverting
the two problematic patches.
As usual with these things there is plenty of context to go with this
and I'll try to do my best to provide that now. This effort started
with a report of SCTP client side peel-offs not working correctly with
SELinux, Ondrej Mosnacek put forth a patch which he believed properly
addressed the problem but upon review by the netdev folks Xin Long
described some additional issues and submitted an improved patchset
for review. The SELinux folks reviewed Xin Long's initial patchset and
suggested some changes which resulted in a second patchset (v2) from
Xin Long; this is the patchset that is currently in your tree.
Unfortunately this v2 patchset from Xin Long was merged before it had
spent even just 24 hours on the mailing lists during the early days of
the merge window, a time when many of us were busy doing verification
of the newly released v5.15 kernel as well final review and testing of
our v5.16 pull requests. Making matters worse, upon reviewing the v2
patchset there were both changes which were found objectionable by
SELinux standards as well as additional outstanding SCTP/SELinux
interaction problems. At this point we did two things: resumed working
on a better fix for the SCTP/SELinux issue(s) - thank you Ondrej - and
we asked the networking folks to revert the v2 patchset.
The revert request was obviously rejected, but at the time I believed
it was just going to be an issue for linux-next; I wasn't expecting
something this significant that was merged into the networking tree
during the merge window to make it into your tree in the same window,
yet as of last night that is exactly what happened. While we continue
to try and resolve the SCTP/SELinux problem I am asking once again to
revert the v2 patches and not ship the current
security_sctp_assoc_established() hook in a v5.16-rcX kernel. If I was
confident that we could solve these issues in a week, maybe two, I
would refrain from asking for the revert but our current estimate is
for a minimum of two weeks for the next patch revision. With the
likelihood of additional delays due to normal patch review follow-up
and/or holidays it seems to me that the safest course of action is to
revert the patch both to try and keep some objectionable code out of a
release kernel and limit the chances of any new breakages from such a
change. While the SCTP/SELinux code in v5.15 and earlier has problems,
they are known problems, and I'd like to try and avoid creating new
and different problems while we work to fix things properly.
One final thing to mention: Xin Long's v2 patchset consisted of four
patches, yet this revert is for only the last two. We see the first
two patches as good, reasonable, and not likely to cause an issue. In
an attempt to create a cleaner revert patch we suggest leaving the
first two patches in the tree as they are currently"
* tag 'selinux-pr-20211112' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
net,lsm,selinux: revert the security_sctp_assoc_established() hook
* Guest API and guest kernel support for SEV live migration
* SEV and SEV-ES intra-host migration
Bugfixes and cleanups for x86:
* Fix misuse of gfn-to-pfn cache when recording guest steal time / preempted status
* Fix selftests on APICv machines
* Fix sparse warnings
* Fix detection of KVM features in CPUID
* Cleanups for bogus writes to MSR_KVM_PV_EOI_EN
* Fixes and cleanups for MSR bitmap handling
* Cleanups for INVPCID
* Make x86 KVM_SOFT_MAX_VCPUS consistent with other architectures
Bugfixes for ARM:
* Fix finalization of host stage2 mappings
* Tighten the return value of kvm_vcpu_preferred_target()
* Make sure the extraction of ESR_ELx.EC is limited to architected bits
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more kvm updates from Paolo Bonzini:
"New x86 features:
- Guest API and guest kernel support for SEV live migration
- SEV and SEV-ES intra-host migration
Bugfixes and cleanups for x86:
- Fix misuse of gfn-to-pfn cache when recording guest steal time /
preempted status
- Fix selftests on APICv machines
- Fix sparse warnings
- Fix detection of KVM features in CPUID
- Cleanups for bogus writes to MSR_KVM_PV_EOI_EN
- Fixes and cleanups for MSR bitmap handling
- Cleanups for INVPCID
- Make x86 KVM_SOFT_MAX_VCPUS consistent with other architectures
Bugfixes for ARM:
- Fix finalization of host stage2 mappings
- Tighten the return value of kvm_vcpu_preferred_target()
- Make sure the extraction of ESR_ELx.EC is limited to architected
bits"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (34 commits)
KVM: SEV: unify cgroup cleanup code for svm_vm_migrate_from
KVM: x86: move guest_pv_has out of user_access section
KVM: x86: Drop arbitrary KVM_SOFT_MAX_VCPUS
KVM: Move INVPCID type check from vmx and svm to the common kvm_handle_invpcid()
KVM: VMX: Add a helper function to retrieve the GPR index for INVPCID, INVVPID, and INVEPT
KVM: nVMX: Clean up x2APIC MSR handling for L2
KVM: VMX: Macrofy the MSR bitmap getters and setters
KVM: nVMX: Handle dynamic MSR intercept toggling
KVM: nVMX: Query current VMCS when determining if MSR bitmaps are in use
KVM: x86: Don't update vcpu->arch.pv_eoi.msr_val when a bogus value was written to MSR_KVM_PV_EOI_EN
KVM: x86: Rename kvm_lapic_enable_pv_eoi()
KVM: x86: Make sure KVM_CPUID_FEATURES really are KVM_CPUID_FEATURES
KVM: x86: Add helper to consolidate core logic of SET_CPUID{2} flows
kvm: mmu: Use fast PF path for access tracking of huge pages when possible
KVM: x86/mmu: Properly dereference rcu-protected TDP MMU sptep iterator
KVM: x86: inhibit APICv when KVM_GUESTDBG_BLOCKIRQ active
kvm: x86: Convert return type of *is_valid_rdpmc_ecx() to bool
KVM: x86: Fix recording of guest steal time / preempted status
selftest: KVM: Add intra host migration tests
selftest: KVM: Add open sev dev helper
...
This set is mostly small fixes and cleanups, so more of a janitorial
update for this cycle.
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Merge tag 'pwm/for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This set is mostly small fixes and cleanups, so more of a janitorial
update for this cycle"
* tag 'pwm/for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: vt8500: Rename pwm_busy_wait() to make it obviously driver-specific
dt-bindings: pwm: tpu: Add R-Car M3-W+ device tree bindings
dt-bindings: pwm: tpu: Add R-Car V3U device tree bindings
pwm: pwm-samsung: Trigger manual update when disabling PWM
pwm: visconti: Simplify using devm_pwmchip_add()
pwm: samsung: Describe driver in Kconfig
pwm: Make it explicit that pwm_apply_state() might sleep
pwm: Add might_sleep() annotations for !CONFIG_PWM API functions
pwm: atmel: Drop unused header
bridge:
- HPD improvments for lt9611uxc
- eDP aux-bus support for ps8640
- LVDS data-mapping selection support
ttm:
- remove huge page functionality (needs reworking)
- fix a race condition during BO eviction
panels:
- add some new panels
fbdev:
- fix double-free
- remove unused scrolling acceleration
- CONFIG_FB dep improvements
locking:
- improve contended locking logging
- naming collision fix
dma-buf:
- add dma_resv_for_each_fence iterator
- fix fence refcounting bug
- name locking fixesA
prime:
- fix object references during mmap
nouveau:
- various code style changes
- refcount fix
- device removal fixes
- protect client list with a mutex
- fix CE0 address calculation
i915:
- DP rates related fixes
- Revert disabling dual eDP that was causing state readout problems
- put the cdclk vtables in const data
- Fix DVO port type for older platforms
- Fix blankscreen by turning DP++ TMDS output buffers on encoder->shutdown
- CCS FBs related fixes
- Fix recursive lock in GuC submission
- Revert guc_id from i915_request tracepoint
- Build fix around dmabuf
amdgpu:
- GPU reset fix
- Aldebaran fix
- Yellow Carp fixes
- DCN2.1 DMCUB fix
- IOMMU regression fix for Picasso
- DSC display fixes
- BPC display calculation fixes
- Other misc display fixes
- Don't allow partial copy from user for DC debugfs
- SRIOV fixes
- GFX9 CSB pin count fix
- Various IP version check fixes
- DP 2.0 fixes
- Limit DCN1 MPO fix to DCN1
amdkfd:
- SVM fixes
- Fix gfx version for renoir
- Reset fixes
udl:
- timeout fix
imx:
- circular locking fix
virtio:
- NULL ptr deref fix
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Merge tag 'drm-next-2021-11-12' of git://anongit.freedesktop.org/drm/drm
Pull more drm updates from Dave Airlie:
"I missed a drm-misc-next pull for the main pull last week. It wasn't
that major and isn't the bulk of this at all. This has a bunch of
fixes all over, a lot for amdgpu and i915.
bridge:
- HPD improvments for lt9611uxc
- eDP aux-bus support for ps8640
- LVDS data-mapping selection support
ttm:
- remove huge page functionality (needs reworking)
- fix a race condition during BO eviction
panels:
- add some new panels
fbdev:
- fix double-free
- remove unused scrolling acceleration
- CONFIG_FB dep improvements
locking:
- improve contended locking logging
- naming collision fix
dma-buf:
- add dma_resv_for_each_fence iterator
- fix fence refcounting bug
- name locking fixesA
prime:
- fix object references during mmap
nouveau:
- various code style changes
- refcount fix
- device removal fixes
- protect client list with a mutex
- fix CE0 address calculation
i915:
- DP rates related fixes
- Revert disabling dual eDP that was causing state readout problems
- put the cdclk vtables in const data
- Fix DVO port type for older platforms
- Fix blankscreen by turning DP++ TMDS output buffers on encoder->shutdown
- CCS FBs related fixes
- Fix recursive lock in GuC submission
- Revert guc_id from i915_request tracepoint
- Build fix around dmabuf
amdgpu:
- GPU reset fix
- Aldebaran fix
- Yellow Carp fixes
- DCN2.1 DMCUB fix
- IOMMU regression fix for Picasso
- DSC display fixes
- BPC display calculation fixes
- Other misc display fixes
- Don't allow partial copy from user for DC debugfs
- SRIOV fixes
- GFX9 CSB pin count fix
- Various IP version check fixes
- DP 2.0 fixes
- Limit DCN1 MPO fix to DCN1
amdkfd:
- SVM fixes
- Fix gfx version for renoir
- Reset fixes
udl:
- timeout fix
imx:
- circular locking fix
virtio:
- NULL ptr deref fix"
* tag 'drm-next-2021-11-12' of git://anongit.freedesktop.org/drm/drm: (126 commits)
drm/ttm: Double check mem_type of BO while eviction
drm/amdgpu: add missed support for UVD IP_VERSION(3, 0, 64)
drm/amdgpu: drop jpeg IP initialization in SRIOV case
drm/amd/display: reject both non-zero src_x and src_y only for DCN1x
drm/amd/display: Add callbacks for DMUB HPD IRQ notifications
drm/amd/display: Don't lock connection_mutex for DMUB HPD
drm/amd/display: Add comment where CONFIG_DRM_AMD_DC_DCN macro ends
drm/amdkfd: Fix retry fault drain race conditions
drm/amdkfd: lower the VAs base offset to 8KB
drm/amd/display: fix exit from amdgpu_dm_atomic_check() abruptly
drm/amd/amdgpu: fix the kfd pre_reset sequence in sriov
drm/amdgpu: fix uvd crash on Polaris12 during driver unloading
drm/i915/adlp/fb: Prevent the mapping of redundant trailing padding NULL pages
drm/i915/fb: Fix rounding error in subsampled plane size calculation
drm/i915/hdmi: Turn DP++ TMDS output buffers back on in encoder->shutdown()
drm/locking: fix __stack_depot_* name conflict
drm/virtio: Fix NULL dereference error in virtio_gpu_poll
drm/amdgpu: fix SI handling in amdgpu_device_asic_has_dc_support()
drm/amdgpu: Fix dangling kfd_bo pointer for shared BOs
drm/amd/amdkfd: Don't sent command to HWS on kfd reset
...
Pull input updates from Dmitry Torokhov:
"Just one new driver (Cypress StreetFighter touchkey), and no input
core changes this time.
Plus various fixes and enhancements to existing drivers"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (54 commits)
Input: iforce - fix control-message timeout
Input: wacom_i2c - use macros for the bit masks
Input: ili210x - reduce sample period to 15ms
Input: ili210x - improve polled sample spacing
Input: ili210x - special case ili251x sample read out
Input: elantench - fix misreporting trackpoint coordinates
Input: synaptics-rmi4 - Fix device hierarchy
Input: i8042 - Add quirk for Fujitsu Lifebook T725
Input: cap11xx - add support for cap1206
Input: remove unused header <linux/input/cy8ctmg110_pdata.h>
Input: ili210x - add ili251x firmware update support
Input: ili210x - export ili251x version details via sysfs
Input: ili210x - use resolution from ili251x firmware
Input: pm8941-pwrkey - respect reboot_mode for warm reset
reboot: export symbol 'reboot_mode'
Input: max77693-haptic - drop unneeded MODULE_ALIAS
Input: cpcap-pwrbutton - do not set input parent explicitly
Input: max8925_onkey - don't mark comment as kernel-doc
Input: ads7846 - do not attempt IRQ workaround when deferring probe
Input: ads7846 - use input_set_capability()
...
Subsystem:
- Add new ioctl to get and set extra RTC parameters, this includes backup
switch mode
- Expose available features to userspace, in particular, when alarmas have a
resolution of one minute instead of a second.
- Let the core handle those alarms with a minute resolution
New driver:
- MSTAR MSC313 RTC
Drivers:
- Add SPI ID table where necessary
- Add BSM support for rv3028, rv3032 and pcf8523
- s3c: set RTC range
- rx8025: set range, implement .set_offset and .read_offset
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Merge tag 'rtc-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"This includes new ioctls to get and set parameters and in particular
the backup switch mode that is needed for some RTCs to actually enable
the backup voltage (and have a useful RTC).
The same interface can also be used to get the actual features
supported by the RTC so userspace has a better way than trying and
failing.
Summary:
Subsystem:
- Add new ioctl to get and set extra RTC parameters, this includes
backup switch mode
- Expose available features to userspace, in particular, when alarmas
have a resolution of one minute instead of a second.
- Let the core handle those alarms with a minute resolution
New driver:
- MSTAR MSC313 RTC
Drivers:
- Add SPI ID table where necessary
- Add BSM support for rv3028, rv3032 and pcf8523
- s3c: set RTC range
- rx8025: set range, implement .set_offset and .read_offset"
* tag 'rtc-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (50 commits)
rtc: rx8025: use .set_offset/.read_offset
rtc: rx8025: use rtc_add_group
rtc: rx8025: clear RTC_FEATURE_ALARM when alarm are not supported
rtc: rx8025: set range
rtc: rx8025: let the core handle the alarm resolution
rtc: rx8025: switch to devm_rtc_allocate_device
rtc: ab8500: let the core handle the alarm resolution
rtc: ab-eoz9: support UIE when available
rtc: ab-eoz9: use RTC_FEATURE_UPDATE_INTERRUPT
rtc: rv3032: let the core handle the alarm resolution
rtc: s35390a: let the core handle the alarm resolution
rtc: handle alarms with a minute resolution
rtc: pcf85063: silence cppcheck warning
rtc: rv8803: fix writing back ctrl in flag register
rtc: s3c: Add time range
rtc: s3c: Extract read/write IO into separate functions
rtc: s3c: Remove usage of devm_rtc_device_register()
rtc: tps80031: Remove driver
rtc: sun6i: Allow probing without an early clock provider
rtc: pcf8523: add BSM support
...
This patch reverts two prior patches, e7310c9402
("security: implement sctp_assoc_established hook in selinux") and
7c2ef0240e ("security: add sctp_assoc_established hook"), which
create the security_sctp_assoc_established() LSM hook and provide a
SELinux implementation. Unfortunately these two patches were merged
without proper review (the Reviewed-by and Tested-by tags from
Richard Haines were for previous revisions of these patches that
were significantly different) and there are outstanding objections
from the SELinux maintainers regarding these patches.
Work is currently ongoing to correct the problems identified in the
reverted patches, as well as others that have come up during review,
but it is unclear at this point in time when that work will be ready
for inclusion in the mainline kernel. In the interest of not keeping
objectionable code in the kernel for multiple weeks, and potentially
a kernel release, we are reverting the two problematic patches.
Signed-off-by: Paul Moore <paul@paul-moore.com>
"maxItems" is not needed with an "items" list
Fixes:
$ DT_SCHEMA_FILES=Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml make dtbs_check
Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml: properties:clocks: {'required': ['maxItems']} is not allowed for {'minItems': 1, 'maxItems': 2, 'items': [{'description': 'High-frequency oscillator input, divided internally'}, {'description': 'Low-frequency oscillator input, only found on some variants'}]}
hint: "maxItems" is not needed with an "items" list
from schema $id: http://devicetree.org/meta-schemas/items.yaml#
...
Signed-off-by: David Heidelberg <david@ixit.cz>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211029142443.68779-1-david@ixit.cz
make dt_binding_check:
Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml: ignoring, error in schema: properties: power-domain-names
warning: no schema found in file: Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml
Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml: properties:power-domain-names: {'required': ['maxItems']} is not allowed for {'minItems': 2, 'maxItems': 3, 'items': [{'const': 'venus'}, {'const': 'vcodec0'}, {'const': 'cx'}]}
hint: "maxItems" is not needed with an "items" list
from schema $id: http://devicetree.org/meta-schemas/items.yaml#
Fixes: e48b839b66 ("media: dt-bindings: media: venus: Add sc7280 dt schema")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/d94924e1bd00f396f2106f04d4a2bb839cf5f071.1636453406.git.geert+renesas@glider.be
Support for Netlogic was removed in commit 95b8a5e011 ("MIPS: Remove
NETLOGIC support"). Remove the now unused bindings.
The GPIO binding also includes "brcm,vulcan-gpio", but it appears to be
unused as well as Broadcom Vulkan became Cavium ThunderX2 which is ACPI
based.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: George Cherian <gcherian@marvell.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: linux-gpio@vger.kernel.org
Cc: linux-i2c@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20211109161707.2209170-1-robh@kernel.org
Not all @st.com email address are concerned, only people who have
a specific @foss.st.com email will see their entry updated.
For some people, who left the company, remove their email.
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Cc: Fabien Dessenne <fabien.dessenne@foss.st.com>
Cc: Christophe Roullier <christophe.roullier@foss.st.com>
Cc: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Cc: Lionel Debieve <lionel.debieve@foss.st.com>
Cc: Amelie Delaunay <amelie.delaunay@foss.st.com>
Cc: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com>
Cc: Ludovic Barre <ludovic.barre@foss.st.com>
Cc: Christophe Kerello <christophe.kerello@foss.st.com>
Cc: pascal Paillet <p.paillet@foss.st.com>
Cc: Erwan Le Ray <erwan.leray@foss.st.com>
Cc: Philippe CORNU <philippe.cornu@foss.st.com>
Cc: Yannick Fertre <yannick.fertre@foss.st.com>
Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Cc: Olivier Moysan <olivier.moysan@foss.st.com>
Cc: Hugues Fruchet <hugues.fruchet@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20211110150144.18272-6-patrice.chotard@foss.st.com
Signed-off-by: Rob Herring <robh@kernel.org>
clock-frequency is only restricted by the upper limit of 400 kHz.
Found with:
$ DT_SCHEMA_FILES=Documentation/devicetree/bindings/i2c/i2c-imx.yaml make dtbs_check
...
arch/arm64/boot/dts/freescale/imx8mq-librem5-r2.dt.yaml: i2c@30a20000: clock-frequency:0:0: 387000 is not one of [100000, 400000]
From schema: linux/Documentation/devicetree/bindings/i2c/i2c-imx.yaml
...
Fixes: 4bdc443472 ("dt-bindings: i2c: Convert imx i2c to json-schema")
Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20211029141134.66170-1-david@ixit.cz
Signed-off-by: Rob Herring <robh@kernel.org>
Tidy up a bit the tree, by prefixing all include/dt-bindings/clock/ files
related to Ingenic SoCs with 'ingenic,'.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211016133322.40771-1-paul@crapouillou.net
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BackMerge tag 'v5.15' into drm-next
I got a drm-fixes which had some 5.15 stuff in it, so to avoid
the mess just backmerge here.
Linux 5.15
Signed-off-by: Dave Airlie <airlied@redhat.com>
Merge more updates from Andrew Morton:
"The post-linux-next material.
7 patches.
Subsystems affected by this patch series (all mm): debug,
slab-generic, migration, memcg, and kasan"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
kasan: add kasan mode messages when kasan init
mm: unexport {,un}lock_page_memcg
mm: unexport folio_memcg_{,un}lock
mm/migrate.c: remove MIGRATE_PFN_LOCKED
mm: migrate: simplify the file-backed pages validation when migrating its mapping
mm: allow only SLUB on PREEMPT_RT
mm/page_owner.c: modify the type of argument "order" in some functions
and netfilter.
Current release - regressions:
- bpf: do not reject when the stack read size is different
from the tracked scalar size
- net: fix premature exit from NAPI state polling in napi_disable()
- riscv, bpf: fix RV32 broken build, and silence RV64 warning
Current release - new code bugs:
- net: fix possible NULL deref in sock_reserve_memory
- amt: fix error return code in amt_init(); fix stopping the workqueue
- ax88796c: use the correct ioctl callback
Previous releases - always broken:
- bpf: stop caching subprog index in the bpf_pseudo_func insn
- security: fixups for the security hooks in sctp
- nfc: add necessary privilege flags in netlink layer, limit operations
to admin only
- vsock: prevent unnecessary refcnt inc for non-blocking connect
- net/smc: fix sk_refcnt underflow on link down and fallback
- nfnetlink_queue: fix OOB when mac header was cleared
- can: j1939: ignore invalid messages per standard
- bpf, sockmap:
- fix race in ingress receive verdict with redirect to self
- fix incorrect sk_skb data_end access when src_reg = dst_reg
- strparser, and tls are reusing qdisc_skb_cb and colliding
- ethtool: fix ethtool msg len calculation for pause stats
- vlan: fix a UAF in vlan_dev_real_dev() when ref-holder tries
to access an unregistering real_dev
- udp6: make encap_rcv() bump the v6 not v4 stats
- drv: prestera: add explicit padding to fix m68k build
- drv: felix: fix broken VLAN-tagged PTP under VLAN-aware bridge
- drv: mvpp2: fix wrong SerDes reconfiguration order
Misc & small latecomers:
- ipvs: auto-load ipvs on genl access
- mctp: sanity check the struct sockaddr_mctp padding fields
- libfs: support RENAME_EXCHANGE in simple_rename()
- avoid double accounting for pure zerocopy skbs
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, can and netfilter.
Current release - regressions:
- bpf: do not reject when the stack read size is different from the
tracked scalar size
- net: fix premature exit from NAPI state polling in napi_disable()
- riscv, bpf: fix RV32 broken build, and silence RV64 warning
Current release - new code bugs:
- net: fix possible NULL deref in sock_reserve_memory
- amt: fix error return code in amt_init(); fix stopping the
workqueue
- ax88796c: use the correct ioctl callback
Previous releases - always broken:
- bpf: stop caching subprog index in the bpf_pseudo_func insn
- security: fixups for the security hooks in sctp
- nfc: add necessary privilege flags in netlink layer, limit
operations to admin only
- vsock: prevent unnecessary refcnt inc for non-blocking connect
- net/smc: fix sk_refcnt underflow on link down and fallback
- nfnetlink_queue: fix OOB when mac header was cleared
- can: j1939: ignore invalid messages per standard
- bpf, sockmap:
- fix race in ingress receive verdict with redirect to self
- fix incorrect sk_skb data_end access when src_reg = dst_reg
- strparser, and tls are reusing qdisc_skb_cb and colliding
- ethtool: fix ethtool msg len calculation for pause stats
- vlan: fix a UAF in vlan_dev_real_dev() when ref-holder tries to
access an unregistering real_dev
- udp6: make encap_rcv() bump the v6 not v4 stats
- drv: prestera: add explicit padding to fix m68k build
- drv: felix: fix broken VLAN-tagged PTP under VLAN-aware bridge
- drv: mvpp2: fix wrong SerDes reconfiguration order
Misc & small latecomers:
- ipvs: auto-load ipvs on genl access
- mctp: sanity check the struct sockaddr_mctp padding fields
- libfs: support RENAME_EXCHANGE in simple_rename()
- avoid double accounting for pure zerocopy skbs"
* tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (123 commits)
selftests/net: udpgso_bench_rx: fix port argument
net: wwan: iosm: fix compilation warning
cxgb4: fix eeprom len when diagnostics not implemented
net: fix premature exit from NAPI state polling in napi_disable()
net/smc: fix sk_refcnt underflow on linkdown and fallback
net/mlx5: Lag, fix a potential Oops with mlx5_lag_create_definer()
gve: fix unmatched u64_stats_update_end()
net: ethernet: lantiq_etop: Fix compilation error
selftests: forwarding: Fix packet matching in mirroring selftests
vsock: prevent unnecessary refcnt inc for nonblocking connect
net: marvell: mvpp2: Fix wrong SerDes reconfiguration order
net: ethernet: ti: cpsw_ale: Fix access to un-initialized memory
net: stmmac: allow a tc-taprio base-time of zero
selftests: net: test_vxlan_under_vrf: fix HV connectivity test
net: hns3: allow configure ETS bandwidth of all TCs
net: hns3: remove check VF uc mac exist when set by PF
net: hns3: fix some mac statistics is always 0 in device version V2
net: hns3: fix kernel crash when unload VF while it is being reset
net: hns3: sync rx ring head in echo common pull
net: hns3: fix pfc packet number incorrect after querying pfc parameters
...
MIGRATE_PFN_LOCKED is used to indicate to migrate_vma_prepare() that a
source page was already locked during migrate_vma_collect(). If it
wasn't then the a second attempt is made to lock the page. However if
the first attempt failed it's unlikely a second attempt will succeed,
and the retry adds complexity. So clean this up by removing the retry
and MIGRATE_PFN_LOCKED flag.
Destination pages are also meant to have the MIGRATE_PFN_LOCKED flag
set, but nothing actually checks that.
Link: https://lkml.kernel.org/r/20211025041608.289017-1-apopple@nvidia.com
Signed-off-by: Alistair Popple <apopple@nvidia.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add support for AMD SEV and SEV-ES intra-host migration support. Intra
host migration provides a low-cost mechanism for userspace VMM upgrades.
In the common case for intra host migration, we can rely on the normal
ioctls for passing data from one VMM to the next. SEV, SEV-ES, and other
confidential compute environments make most of this information opaque, and
render KVM ioctls such as "KVM_GET_REGS" irrelevant. As a result, we need
the ability to pass this opaque metadata from one VMM to the next. The
easiest way to do this is to leave this data in the kernel, and transfer
ownership of the metadata from one KVM VM (or vCPU) to the next. In-kernel
hand off makes it possible to move any data that would be
unsafe/impossible for the kernel to hand directly to userspace, and
cannot be reproduced using data that can be handed to userspace.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
For SEV to work with intra host migration, contents of the SEV info struct
such as the ASID (used to index the encryption key in the AMD SP) and
the list of memory regions need to be transferred to the target VM.
This change adds a commands for a target VMM to get a source SEV VM's sev
info.
Signed-off-by: Peter Gonda <pgonda@google.com>
Suggested-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Marc Orr <marcorr@google.com>
Cc: Marc Orr <marcorr@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Wanpeng Li <wanpengli@tencent.com>
Cc: Jim Mattson <jmattson@google.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Message-Id: <20211021174303.385706-3-pgonda@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
support for a filehandle format deprecated 20 years ago, and further
xdr-related cleanup from Chuck.
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Merge tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"A slow cycle for nfsd: mainly cleanup, including Neil's patch dropping
support for a filehandle format deprecated 20 years ago, and further
xdr-related cleanup from Chuck"
* tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux: (26 commits)
nfsd4: remove obselete comment
nfsd: document server-to-server-copy parameters
NFSD:fix boolreturn.cocci warning
nfsd: update create verifier comment
SUNRPC: Change return value type of .pc_encode
SUNRPC: Replace the "__be32 *p" parameter to .pc_encode
NFSD: Save location of NFSv4 COMPOUND status
SUNRPC: Change return value type of .pc_decode
SUNRPC: Replace the "__be32 *p" parameter to .pc_decode
SUNRPC: De-duplicate .pc_release() call sites
SUNRPC: Simplify the SVC dispatch code path
SUNRPC: Capture value of xdr_buf::page_base
SUNRPC: Add trace event when alloc_pages_bulk() makes no progress
svcrdma: Split svcrmda_wc_{read,write} tracepoints
svcrdma: Split the svcrdma_wc_send() tracepoint
svcrdma: Split the svcrdma_wc_receive() tracepoint
NFSD: Have legacy NFSD WRITE decoders use xdr_stream_subsegment()
SUNRPC: xdr_stream_subsegment() must handle non-zero page_bases
NFSD: Initialize pointer ni with NULL and not plain integer 0
NFSD: simplify struct nfsfh
...
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Merge tag 'kernel.sys.v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull prctl updates from Christian Brauner:
"This contains the missing prctl uapi pieces for PR_SCHED_CORE.
In order to activate core scheduling the caller is expected to specify
the scope of the new core scheduling domain.
For example, passing 2 in the 4th argument of
prctl(PR_SCHED_CORE, PR_SCHED_CORE_CREATE, <pid>, 2, 0);
would indicate that the new core scheduling domain encompasses all
tasks in the process group of <pid>. Specifying 0 would only create a
core scheduling domain for the thread identified by <pid> and 2 would
encompass the whole thread-group of <pid>.
Note, the values 0, 1, and 2 correspond to PIDTYPE_PID, PIDTYPE_TGID,
and PIDTYPE_PGID. A first version tried to expose those values
directly to which I objected because:
- PIDTYPE_* is an enum that is kernel internal which we should not
expose to userspace directly.
- PIDTYPE_* indicates what a given struct pid is used for it doesn't
express a scope.
But what the 4th argument of PR_SCHED_CORE prctl() expresses is the
scope of the operation, i.e. the scope of the core scheduling domain
at creation time. So Eugene's patch now simply introduces three new
defines PR_SCHED_CORE_SCOPE_THREAD, PR_SCHED_CORE_SCOPE_THREAD_GROUP,
and PR_SCHED_CORE_SCOPE_PROCESS_GROUP. They simply express what
happens.
This has been on the mailing list for quite a while with all relevant
scheduler folks Cced. I announced multiple times that I'd pick this up
if I don't see or her anyone else doing it. None of this touches
proper scheduler code but only concerns uapi so I think this is fine.
With core scheduling being quite common now for vm managers (e.g.
moving individual vcpu threads into their own core scheduling domain)
and container managers (e.g. moving the init process into its own core
scheduling domain and letting all created children inherit it) having
to rely on raw numbers passed as the 4th argument in prctl() is a bit
annoying and everyone is starting to come up with their own defines"
* tag 'kernel.sys.v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
uapi/linux/prctl: provide macro definitions for the PR_SCHED_CORE type argument
- Fix 2 intel_pstate driver regressions related to the HWP interrupt
handling added recently (Srinivas Pandruvada).
- Fix intel_pstate driver regression introduced during the 5.11
cycle and causing HWP desired performance to be mishandled in
some cases when switching driver modes and during system
suspend and shutdown (Rafael Wysocki).
- Fix system-wide device suspend and resume locking to avoid
deadlocks when device objects are deleted during a system-wide
PM transition (Rafael Wysocki).
- Modify system-wide suspend of devices to prevent cpuidle drivers
based on runtime PM from misbehaving during the "no IRQ" phase of
it (Ulf Hansson).
- Fix return value of _opp_add_static_v2() helper (YueHaibing).
- Fix required-opp handle count (Pavankumar Kondeti).
- Add resource managed OPP helpers, update dev_pm_opp_attach_genpd(),
update their devfreq users, and make minor DT binding change (Dmitry
Osipenko).
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Merge tag 'pm-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These fix three intel_pstate driver regressions, fix locking in the
core code suspending and resuming devices during system PM
transitions, fix the handling of cpuidle drivers based on runtime PM
during system-wide suspend, fix two issues in the operating
performance points (OPP) framework and resource-managed helpers to it.
Specifics:
- Fix two intel_pstate driver regressions related to the HWP
interrupt handling added recently (Srinivas Pandruvada).
- Fix intel_pstate driver regression introduced during the 5.11 cycle
and causing HWP desired performance to be mishandled in some cases
when switching driver modes and during system suspend and shutdown
(Rafael Wysocki).
- Fix system-wide device suspend and resume locking to avoid
deadlocks when device objects are deleted during a system-wide PM
transition (Rafael Wysocki).
- Modify system-wide suspend of devices to prevent cpuidle drivers
based on runtime PM from misbehaving during the "no IRQ" phase of
it (Ulf Hansson).
- Fix return value of _opp_add_static_v2() helper (YueHaibing).
- Fix required-opp handle count (Pavankumar Kondeti).
- Add resource managed OPP helpers, update dev_pm_opp_attach_genpd(),
update their devfreq users, and make minor DT binding change
(Dmitry Osipenko)"
* tag 'pm-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: sleep: Avoid calling put_device() under dpm_list_mtx
cpufreq: intel_pstate: Clear HWP Status during HWP Interrupt enable
cpufreq: intel_pstate: Fix unchecked MSR 0x773 access
cpufreq: intel_pstate: Clear HWP desired on suspend/shutdown and offline
PM: sleep: Fix runtime PM based cpuidle support
dt-bindings: opp: Allow multi-worded OPP entry name
opp: Fix return in _opp_add_static_v2()
PM / devfreq: tegra30: Check whether clk_round_rate() returns zero rate
PM / devfreq: tegra30: Use resource-managed helpers
PM / devfreq: Add devm_devfreq_add_governor()
opp: Add more resource-managed variants of dev_pm_opp_of_add_table()
opp: Change type of dev_pm_opp_attach_genpd(names) argument
opp: Fix required-opps phandle array count check
- Add support for new ACPI device configuration object called _DSC
to allow certain devices to be probed without changing their power
states, document it and make two drivers use it (Sakari Ailus,
Rajmohan Mani).
- Fix device wakeup power reference counting broken recently by
mistake (Rafael Wysocki).
- Drop unused symbol and macros depending on it from acgcc.h (Rafael
Wysocki).
- Add HP ZHAN 66 Pro to the "no EC wakeup" quirk list (Binbin Zhou).
- Add Xiaomi Mi Pad 2 to the backlight quirk list and drop an unused
piece of data from all of the list entries (Hans de Goede).
- Fix register read accesses handling in the Intel PMIC operation
region driver (Hans de Goede).
- Clean up static variables initialization in the EC driver
(wangzhitong).
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Merge tag 'acpi-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These add support for a new ACPI device configuration object called
_DSC, fix some issues including one recent regression, add two new
items to quirk lists and clean up assorted pieces of code.
Specifics:
- Add support for new ACPI device configuration object called _DSC
("Deepest State for Configuration") to allow certain devices to be
probed without changing their power states, document it and make
two drivers use it (Sakari Ailus, Rajmohan Mani).
- Fix device wakeup power reference counting broken recently by
mistake (Rafael Wysocki).
- Drop unused symbol and macros depending on it from acgcc.h (Rafael
Wysocki).
- Add HP ZHAN 66 Pro to the "no EC wakeup" quirk list (Binbin Zhou).
- Add Xiaomi Mi Pad 2 to the backlight quirk list and drop an unused
piece of data from all of the list entries (Hans de Goede).
- Fix register read accesses handling in the Intel PMIC operation
region driver (Hans de Goede).
- Clean up static variables initialization in the EC driver
(wangzhitong)"
* tag 'acpi-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Documentation: ACPI: Fix non-D0 probe _DSC object example
ACPI: Drop ACPI_USE_BUILTIN_STDARG ifdef from acgcc.h
ACPI: PM: Fix device wakeup power reference counting error
ACPI: video: use platform backlight driver on Xiaomi Mi Pad 2
ACPI: video: Drop dmi_system_id.ident settings from video_detect_dmi_table[]
ACPI: PMIC: Fix intel_pmic_regs_handler() read accesses
ACPI: EC: Remove initialization of static variables to false
ACPI: EC: Use ec_no_wakeup on HP ZHAN 66 Pro
at24: Support probing while in non-zero ACPI D state
media: i2c: imx319: Support device probe in non-zero ACPI D state
ACPI: Add a convenience function to tell a device is in D0 state
Documentation: ACPI: Document _DSC object usage for enum power state
i2c: Allow an ACPI driver to manage the device's power state during probe
ACPI: scan: Obtain device's desired enumeration power state
Updates:
- Another pile of idxd updates
- pm routines cleanup for at_xdmac driver
- Correct handling of callback_result for few drivers
- zynqmp_dma driver updates and descriptor management refinement
- Hardware handshaking support for dw-axi-dmac
- Support for remotely powered controllers in Qcom bam dma
- tegra driver updates
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Merge tag 'dmaengine-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"A bunch of driver updates, no new driver or controller support this
time though:
- Another pile of idxd updates
- pm routines cleanup for at_xdmac driver
- Correct handling of callback_result for few drivers
- zynqmp_dma driver updates and descriptor management refinement
- Hardware handshaking support for dw-axi-dmac
- Support for remotely powered controllers in Qcom bam dma
- tegra driver updates"
* tag 'dmaengine-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (69 commits)
dmaengine: ti: k3-udma: Set r/tchan or rflow to NULL if request fail
dmaengine: ti: k3-udma: Set bchan to NULL if a channel request fail
dmaengine: stm32-dma: avoid 64-bit division in stm32_dma_get_max_width
dmaengine: fsl-edma: support edma memcpy
dmaengine: idxd: fix resource leak on dmaengine driver disable
dmaengine: idxd: cleanup completion record allocation
dmaengine: zynqmp_dma: Correctly handle descriptor callbacks
dmaengine: xilinx_dma: Correctly handle cyclic descriptor callbacks
dmaengine: altera-msgdma: Correctly handle descriptor callbacks
dmaengine: at_xdmac: fix compilation warning
dmaengine: dw-axi-dmac: Simplify assignment in dma_chan_pause()
dmaengine: qcom: bam_dma: Add "powered remotely" mode
dt-bindings: dmaengine: bam_dma: Add "powered remotely" mode
dmaengine: sa11x0: Mark PM functions as __maybe_unused
dmaengine: switch from 'pci_' to 'dma_' API
dmaengine: ioat: switch from 'pci_' to 'dma_' API
dmaengine: hsu: switch from 'pci_' to 'dma_' API
dmaengine: hisi_dma: switch from 'pci_' to 'dma_' API
dmaengine: dw: switch from 'pci_' to 'dma_' API
dmaengine: dw-edma-pcie: switch from 'pci_' to 'dma_' API
...
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Merge tag 'for-linus-5.16b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- a series to speed up the boot of Xen PV guests
- some cleanups in Xen related code
- replacement of license texts with the appropriate SPDX headers and
fixing of wrong SPDX headers in Xen header files
- a small series making paravirtualized interrupt masking much simpler
and at the same time removing complaints of objtool
- a fix for Xen ballooning hogging workqueues for too long
- enablement of the Xen pciback driver for Arm
- some further small fixes/enhancements
* tag 'for-linus-5.16b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (22 commits)
xen/balloon: fix unused-variable warning
xen/balloon: rename alloc/free_xenballooned_pages
xen/balloon: add late_initcall_sync() for initial ballooning done
x86/xen: remove 32-bit awareness from startup_xen
xen: remove highmem remnants
xen: allow pv-only hypercalls only with CONFIG_XEN_PV
x86/xen: remove 32-bit pv leftovers
xen-pciback: allow compiling on other archs than x86
x86/xen: switch initial pvops IRQ functions to dummy ones
x86/xen: remove xen_have_vcpu_info_placement flag
x86/pvh: add prototype for xen_pvh_init()
xen: Fix implicit type conversion
xen: fix wrong SPDX headers of Xen related headers
xen/pvcalls-back: Remove redundant 'flush_workqueue()' calls
x86/xen: Remove redundant irq_enter/exit() invocations
xen-pciback: Fix return in pm_ctrl_init()
xen/x86: restrict PV Dom0 identity mapping
xen/x86: there's no highmem anymore in PV mode
xen/x86: adjust handling of the L3 user vsyscall special page table
xen/x86: adjust xen_set_fixmap()
...
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Merge tag 'linux-watchdog-5.16-rc1' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- f71808e_wdt: convert to watchdog framework
- db8500_wdt: Rename driver (was ux500_wdt.c)
- sunxi: Add compatibles for R329 and D1
- mtk: add disable_wdt_extrst support
- several other small fixes and improvements
* tag 'linux-watchdog-5.16-rc1' of git://www.linux-watchdog.org/linux-watchdog: (30 commits)
watchdog: db8500_wdt: Rename symbols
watchdog: db8500_wdt: Rename driver
watchdog: ux500_wdt: Drop platform data
watchdog: bcm63xx_wdt: fix fallthrough warning
watchdog: iTCO_wdt: No need to stop the timer in probe
watchdog: s3c2410: describe driver in KConfig
watchdog: sp5100_tco: Add support for get_timeleft
watchdog: mtk: add disable_wdt_extrst support
dt-bindings: watchdog: mtk-wdt: add disable_wdt_extrst support
watchdog: rza_wdt: Use semicolons instead of commas
watchdog: mlx-wdt: Use regmap_write_bits()
watchdog: rti-wdt: Make use of the helper function devm_platform_ioremap_resource()
watchdog: iTCO_wdt: Make use of the helper function devm_platform_ioremap_resource()
watchdog: ar7_wdt: Make use of the helper function devm_platform_ioremap_resource_byname()
watchdog: sunxi_wdt: Add support for D1
dt-bindings: watchdog: sunxi: Add compatibles for D1
ar7: fix kernel builds for compiler test
dt-bindings: watchdog: sunxi: Add compatibles for R329
watchdog: meson_gxbb_wdt: add timeout parameter
watchdog: meson_gxbb_wdt: add nowayout parameter
...
The remoteproc repo is moved to a new path on git.kernel.org, to allow
Mathieu push access to the branches.
Support for the Mediatek MT8195 SCP was added, the related DeviceTree
binding was converted to YAML and MT8192 SCP was documented as well.
Amlogic Meson6, Meson8, Meson8b and Meson8m2 has an ARC core to aid in
resuming the system after suspend, a new remoteproc driver for booting
this core is introduced.
A new driver to support the DSP processor found on NXP i.MX8QM,
i.MX8QXP, i.MX8MP and i.MX8ULP is added.
The Qualcomm modem and TrustZone based remoteproc drivers gains support
for the modem in SC7280 and MSM8996 gains support for a missing
power-domain.
Throughout the Qualcomm drivers, the support for informing the always-on
power coprocessor about the state of each remoteproc is reworked to
avoid complications related to our use of genpd and the system suspend
state.
Lastly a number of small fixes are found throughout the drivers and
framework.
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Merge tag 'rproc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"The remoteproc repo is moved to a new path on git.kernel.org, to allow
Mathieu push access to the branches.
Support for the Mediatek MT8195 SCP was added, the related DeviceTree
binding was converted to YAML and MT8192 SCP was documented as well.
Amlogic Meson6, Meson8, Meson8b and Meson8m2 has an ARC core to aid in
resuming the system after suspend, a new remoteproc driver for booting
this core is introduced.
A new driver to support the DSP processor found on NXP i.MX8QM,
i.MX8QXP, i.MX8MP and i.MX8ULP is added.
The Qualcomm modem and TrustZone based remoteproc drivers gains
support for the modem in SC7280 and MSM8996 gains support for a
missing power-domain.
Throughout the Qualcomm drivers, the support for informing the
always-on power coprocessor about the state of each remoteproc is
reworked to avoid complications related to our use of genpd and the
system suspend state.
Lastly a number of small fixes are found throughout the drivers and
framework"
* tag 'rproc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (39 commits)
remoteproc: Remove vdev_to_rvdev and vdev_to_rproc from remoteproc API
remoteproc: omap_remoteproc: simplify getting .driver_data
remoteproc: qcom_q6v5_mss: Use devm_platform_ioremap_resource_byname() to simplify code
remoteproc: Fix a memory leak in an error handling path in 'rproc_handle_vdev()'
remoteproc: Fix spelling mistake "atleast" -> "at least"
remoteproc: imx_dsp_rproc: mark PM functions as __maybe_unused
remoteproc: imx_dsp_rproc: Correct the comment style of copyright
dt-bindings: dsp: fsl: Update binding document for remote proc driver
remoteproc: imx_dsp_rproc: Add remoteproc driver for DSP on i.MX
remoteproc: imx_rproc: Add IMX_RPROC_SCU_API method
remoteproc: imx_rproc: Move common structure to header file
rpmsg: char: Remove useless include
remoteproc: meson-mx-ao-arc: fix a bit test
remoteproc: mss: q6v5-mss: Add modem support on SC7280
dt-bindings: remoteproc: qcom: Update Q6V5 Modem PIL binding
remoteproc: qcom: pas: Add SC7280 Modem support
dt-bindings: remoteproc: qcom: pas: Add SC7280 MPSS support
remoteproc: qcom: pas: Use the same init resources for MSM8996 and MSM8998
MAINTAINERS: Update remoteproc repo url
dt-bindings: remoteproc: k3-dsp: Cleanup SoC compatible from DT example
...
The original patch adding the example used _DSC Name when Method was
intended. Fix this.
Also replace spaces used for indentation with tabs in the example.
Fixes: ed66f12ba4 ("Documentation: ACPI: Document _DSC object usage for enum power state")
Reported-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Merge more updates from Andrew Morton:
"87 patches.
Subsystems affected by this patch series: mm (pagecache and hugetlb),
procfs, misc, MAINTAINERS, lib, checkpatch, binfmt, kallsyms, ramfs,
init, codafs, nilfs2, hfs, crash_dump, signals, seq_file, fork,
sysvfs, kcov, gdb, resource, selftests, and ipc"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (87 commits)
ipc/ipc_sysctl.c: remove fallback for !CONFIG_PROC_SYSCTL
ipc: check checkpoint_restore_ns_capable() to modify C/R proc files
selftests/kselftest/runner/run_one(): allow running non-executable files
virtio-mem: disallow mapping virtio-mem memory via /dev/mem
kernel/resource: disallow access to exclusive system RAM regions
kernel/resource: clean up and optimize iomem_is_exclusive()
scripts/gdb: handle split debug for vmlinux
kcov: replace local_irq_save() with a local_lock_t
kcov: avoid enable+disable interrupts if !in_task()
kcov: allocate per-CPU memory on the relevant node
Documentation/kcov: define `ip' in the example
Documentation/kcov: include types.h in the example
sysv: use BUILD_BUG_ON instead of runtime check
kernel/fork.c: unshare(): use swap() to make code cleaner
seq_file: fix passing wrong private data
seq_file: move seq_escape() to a header
signal: remove duplicate include in signal.h
crash_dump: remove duplicate include in crash_dump.h
crash_dump: fix boolreturn.cocci warning
hfs/hfsplus: use WARN_ON for sanity check
...
The example code uses the variable `ip' but never declares it.
Declare `ip' as a 64bit variable which is the same type as the array
from which it loads its value.
Link: https://lkml.kernel.org/r/20210923164741.1859522-3-bigeasy@linutronix.de
Link: https://lore.kernel.org/r/20210830172627.267989-3-bigeasy@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Marco Elver <elver@google.com>
Tested-by: Marco Elver <elver@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Clark Williams <williams@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "kcov: PREEMPT_RT fixup + misc", v2.
The last patch in series is follow-up to address the PREEMPT_RT issue
within in kcov reported by Clark [1]. Patches 1-3 are smaller things that
I noticed while staring at it. Patch 4 is small change which makes
replacement in #5 simpler / more obvious.
[1] https://lkml.kernel.org/r/20210809155909.333073de@theseus.lan
This patch (of 5):
The first example code has includes at the top, the following two
example share that part. The last example (remote coverage collection)
requires the linux/types.h header file due its __aligned_u64 usage.
Add the linux/types.h to the top most example and a comment that the
header files from above are required as it is done in the second
example.
Link: https://lkml.kernel.org/r/20210923164741.1859522-1-bigeasy@linutronix.de
Link: https://lore.kernel.org/r/20210830172627.267989-2-bigeasy@linutronix.de
Link: https://lkml.kernel.org/r/20210923164741.1859522-2-bigeasy@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Marco Elver <elver@google.com>
Tested-by: Marco Elver <elver@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Clark Williams <williams@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Yann Dirson