Leon Romanovsky says:
====================
Mellanox shared branch that includes:
* Removal of FPGA TLS code https://lore.kernel.org/all/cover.1649073691.git.leonro@nvidia.com
Mellanox INNOVA TLS cards are EOL in May, 2018 [1]. As such, the code
is unmaintained, untested and not in-use by any upstream/distro oriented
customers. In order to reduce code complexity, drop the kernel code,
clean build config options and delete useless kTLS vs. TLS separation.
[1] https://network.nvidia.com/related-docs/eol/LCR-000286.pdf
* Removal of FPGA IPsec code https://lore.kernel.org/all/cover.1649232994.git.leonro@nvidia.com
Together with FPGA TLS, the IPsec went to EOL state in the November of
2019 [1]. Exactly like FPGA TLS, no active customers exist for this
upstream code and all the complexity around that area can be deleted.
[2] https://network.nvidia.com/related-docs/eol/LCR-000535.pdf
* Fix to undefined behavior from Borislav https://lore.kernel.org/all/20220405151517.29753-11-bp@alien8.de
====================
* 'mlx5-next' of https://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux:
net/mlx5: Remove not-implemented IPsec capabilities
net/mlx5: Remove ipsec_ops function table
net/mlx5: Reduce kconfig complexity while building crypto support
net/mlx5: Move IPsec file to relevant directory
net/mlx5: Remove not-needed IPsec config
net/mlx5: Align flow steering allocation namespace to common style
net/mlx5: Unify device IPsec capabilities check
net/mlx5: Remove useless IPsec device checks
net/mlx5: Remove ipsec vs. ipsec offload file separation
RDMA/core: Delete IPsec flow action logic from the core
RDMA/mlx5: Drop crypto flow steering API
RDMA/mlx5: Delete never supported IPsec flow action
net/mlx5: Remove FPGA ipsec specific statistics
net/mlx5: Remove XFRM no_trailer flag
net/mlx5: Remove not-used IDA field from IPsec struct
net/mlx5: Delete metadata handling logic
net/mlx5_fpga: Drop INNOVA IPsec support
IB/mlx5: Fix undefined behavior due to shift overflowing the constant
net/mlx5: Cleanup kTLS function names and their exposure
net/mlx5: Remove tls vs. ktls separation as it is the same
net/mlx5: Remove indirection in TLS build
net/mlx5: Reliably return TLS device capabilities
net/mlx5_fpga: Drop INNOVA TLS support
Link: https://lore.kernel.org/r/20220409055303.1223644-1-leon@kernel.org
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Assigning a value to ret in the init statement of a for-loop makes the
code less readable.
Link: https://lore.kernel.org/r/20220409083254.9696-6-liangwenpeng@huawei.com
Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
It is completely redundant for this function to use "ret" to store the
return value of the subfunction.
Link: https://lore.kernel.org/r/20220409083254.9696-4-liangwenpeng@huawei.com
Signed-off-by: Guofeng Yue <yueguofeng@hisilicon.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This function is only used in HIP06, which has been removed. So remove it.
Link: https://lore.kernel.org/r/20220409083254.9696-3-liangwenpeng@huawei.com
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The sgid_attr cannot be null in this scenario. This judgment is redundant.
Fixes: 606bf89e98 ("RDMA/hns: Refactor for hns_roce_v2_modify_qp function")
Link: https://lore.kernel.org/r/20220409083254.9696-2-liangwenpeng@huawei.com
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
There is only one IPsec implementation and ipsec_ops is not needed
at all in this situation. Together with removal of ipsec_ops, we can
drop the entry checks as these functions are called for IPsec devices
only.
Link: https://lore.kernel.org/r/bc8dd1c8a77b65dbf5e2cf92c813ffaca2505c5f.1649232994.git.leonro@nvidia.com
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Both IPsec and kTLS need two functions declared in the lib/crypto.c
file. These functions are advertised through general mlx5.h file and
don't have any protection from attempts to call them without proper
config option.
Instead of creating stubs just for two functions, simply build that *.c
file as part of regular mlx5_eth build and rely on compiler to throw
them away if no callers exist in produced code.
Link: https://lore.kernel.org/r/37f02171da06886c1b403d44dd18b2a56b19219d.1649232994.git.leonro@nvidia.com
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
The mlx5_is_ipsec_device() check was to distinguish ConnectX device
related ops from FPGA, so post removing FPGA IPsec code this check
can be removed as no other device implements it.
It is safe to do it as there is already embedded check of IPsec device
in mlx5_accel_ipsec_device_caps().
Link: https://lore.kernel.org/r/e45362abfcabe18e8af20ec8d1acdc99355978f3.1649232994.git.leonro@nvidia.com
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
The IPsec won't be initialized at all if device doesn't support IPsec
offload. It means that we can combine the ipsec.c and ipsec_offload.c
files to one file. Such change will allow us to remove ipsec_ops
indirection.
Link: https://lore.kernel.org/r/d0ac1fb7b14c10ae20a21ae17a393ee860c72ac3.1649232994.git.leonro@nvidia.com
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
The removal of mlx5 flow steering logic, left the kernel without any RDMA
drivers that implements flow action callbacks supplied by RDMA/core. Any
user access to them caused to EOPNOTSUPP error, which can be achieved by
simply removing ioctl implementation.
Link: https://lore.kernel.org/r/a638e376314a2eb1c66f597c0bbeeab2e5de7faf.1649232994.git.leonro@nvidia.com
Reviewed-by: Raed Salem <raeds@nvidia.com>
Acked-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
The mlx5 flow steering crypto API was intended to be used in FPGA
devices, which is not supported for years already. The removal of
mlx5 crypto FPGA code together with inability to configure encryption
keys makes the low steering API completely unusable.
So delete the code, so any ESP flow steering requests will fail with
not supported error, as it is happening now anyway as no device support
this type of API.
Link: https://lore.kernel.org/r/634a5face7734381463d809bfb89850f6998deac.1649232994.git.leonro@nvidia.com
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
The rdma_rxe driver does not actually support the reliable datagram
transport but contains two references to RD opcodes in driver code. This
commit removes these references to RD transport opcodes which are never
used.
Link: https://lore.kernel.org/r/cce0f07d-25fc-5880-69e7-001d951750b7@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Currently the rdma_rxe driver supports SMI type QPs in a few places which
is incorrect. RoCE devices never should support SMI QPs. This commit
removes SMI QP support from the driver.
Link: https://lore.kernel.org/r/20220407185416.16372-1-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Currently the rdma_rxe driver claims to support both 2A and 2B type memory
windows. But the IBA requires
010-37.2.31: If an HCA supports the Base Memory Management
extensions, the HCA shall support either Type 2A or Type 2B MWs,
but not both.
This commit removes the device capability bit for type 2A memory windows
and adds a clarifying comment to rxe_mw.c.
Link: https://lore.kernel.org/r/20220407184321.14207-1-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Rather than hard-coding pci_bus_type, pass the PF device through to
usnic_uiom_alloc_pd() and retrieve its bus there. This prepares for
iommu_domain_alloc() changing to take a device rather than a bus_type.
Link: https://lore.kernel.org/r/ef607cb3f5a09920b86971b8c8e60af8c647457e.1649169359.git.robin.murphy@arm.com
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Even if an IOMMU might be present for some PCI segment in the system,
that doesn't necessarily mean it provides translation for the device(s)
we care about. Replace iommu_present() with a more appropriate check at
probe time, and garbage-collect the resulting empty init function.
Link: https://lore.kernel.org/r/f707b4248e1d33b6d2c7f1d7c94febb802cf9890.1649161199.git.robin.murphy@arm.com
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
To move the list iterator variable into the list_for_each_entry_*() macro
in the future it should be avoided to use the list iterator variable after
the loop body.
To *never* use the list iterator variable after the loop it was concluded
to use a separate iterator variable instead of a found boolean.
This removes the need to use a found variable and simply checking if the
variable was set, can determine if the break/goto was hit.
Link: https://lore.kernel.org/r/20220331091634.644840-1-jakobkoschel@gmail.com
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Split out flags from ib_device::device_cap_flags that are only used
internally to the kernel into kernel_cap_flags that is not part of the
uapi. This limits the device_cap_flags to being the same bitmap that will
be copied to userspace.
This cleanly splits out the uverbs flags from the kernel flags to avoid
confusion in the flags bitmap.
Add some short comments describing which each of the kernel flags is
connected to. Remove unused kernel flags.
Link: https://lore.kernel.org/r/0-v2-22c19e565eef+139a-kern_caps_jgg@nvidia.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The _accel_ part of the function is not relevant anymore, so rename kTLS
functions to be without it, together with header cleanup to do not have
declarations that are not used.
Link: https://lore.kernel.org/r/72319e6020fb2553d02b3bbc7476bda363f6d60c.1649073691.git.leonro@nvidia.com
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
The dream described in the commit 1ae1732284 ("net/mlx5: Accel, Add TLS
tx offload interface") never came true, even an opposite happened when FPGA
TLS support was dropped. Such removal revealed the problematic flow in the
build process: build of unrelated files in case of TLS or IPsec are enabled.
In both cases, the MLX5_ACCEL is enabled, which built both TLS and IPsec.
As a solution, simply merge MLX5_TLS and MLX5_EN_TLS options and move TLS
related files to the eth part of the mlx5_core.
Link: https://lore.kernel.org/r/0d1ea8cdc3a15922640b8b764d2bdb8f587b52c2.1649073691.git.leonro@nvidia.com
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
The capabilities returned from the FW are independent to the compiled
kernel and traditionally rely on the relevant CAPs bit only.
The mlx5_accel_is_ktls_*() functions are compiled out if CONFIG_MLX5_TLS
is not set, which "hides" from the user the information that TLS can be
enabled on this device.
Link: https://lore.kernel.org/r/a333ce541fb9497d04126b11c4a0052f9807d141.1649073691.git.leonro@nvidia.com
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
The documentation of the function rvt_error_qp says both r_lock and
s_lock need to be held when calling that function.
It also asserts using lockdep that both of those locks are held.
rvt_error_qp is called form rvt_send_cq, which is called from
rvt_qp_complete_swqe, which is called from rvt_send_complete, which is
called from rvt_ruc_loopback in two places. Both of these places do not
hold r_lock. Fix this by acquiring a spin_lock of r_lock in both of
these places.
The r_lock acquiring cannot be added in rvt_qp_complete_swqe because
some of its other callers already have r_lock acquired.
Link: https://lore.kernel.org/r/20220228195144.71946-1-dossche.niels@gmail.com
Signed-off-by: Niels Dossche <dossche.niels@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
1) Part of enum ib_device_cap_flags are used by ibv_query_device(3)
or ibv_query_device_ex(3), so we define them in
include/uapi/rdma/ib_user_verbs.h and only expose them to userspace.
2) Reformat enum ib_device_cap_flags by removing the indent before '='.
Link: https://lore.kernel.org/r/20220331032419.313904-2-yangx.jy@fujitsu.com
Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This enum is used by ibv_query_device_ex(3) so it should be defined
in include/uapi/rdma/ib_user_verbs.h.
Link: https://lore.kernel.org/r/20220331032419.313904-1-yangx.jy@fujitsu.com
Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
In the function irdma_puda_get_next_send_wqe, the variable wqe
is not necessary. So remove it.
Link: https://lore.kernel.org/r/20220323230135.291813-1-yanjun.zhu@intel.com
Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
- Rename the staging files to give them some meaning.
Just stage1,stag2,etc, does not show what they are for
- Check for NULL from allocation in bootconfig
- Hold event mutex for dyn_event call in user events
- Mark user events to broken (to work on the API)
- Remove eBPF updates from user events
- Remove user events from uapi header to keep it from being installed.
- Move ftrace_graph_is_dead() into inline as it is called from hot paths
and also convert it into a static branch.
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Merge tag 'trace-v5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull more tracing updates from Steven Rostedt:
- Rename the staging files to give them some meaning. Just
stage1,stag2,etc, does not show what they are for
- Check for NULL from allocation in bootconfig
- Hold event mutex for dyn_event call in user events
- Mark user events to broken (to work on the API)
- Remove eBPF updates from user events
- Remove user events from uapi header to keep it from being installed.
- Move ftrace_graph_is_dead() into inline as it is called from hot
paths and also convert it into a static branch.
* tag 'trace-v5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Move user_events.h temporarily out of include/uapi
ftrace: Make ftrace_graph_is_dead() a static branch
tracing: Set user_events to BROKEN
tracing/user_events: Remove eBPF interfaces
tracing/user_events: Hold event_mutex during dyn_event_add
proc: bootconfig: Add null pointer check
tracing: Rename the staging files for trace_events
dropping rate range requests. It's best to keep various systems booting
so we'll kick this out and try again next time.
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"A single revert to fix a boot regression seen when clk_put() started
dropping rate range requests. It's best to keep various systems
booting so we'll kick this out and try again next time"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
Revert "clk: Drop the rate range on clk_put()"
- Make the prctl() for enabling dynamic XSTATE components correct so it
adds the newly requested feature to the permission bitmap instead of
overwriting it. Add a selftest which validates that.
- Unroll string MMIO for encrypted SEV guests as the hypervisor cannot
emulate it.
- Handle supervisor states correctly in the FPU/XSTATE code so it takes
the feature set of the fpstate buffer into account. The feature sets
can differ between host and guest buffers. Guest buffers do not contain
supervisor states. So far this was not an issue, but with enabling
PASID it needs to be handled in the buffer offset calculation and in
the permission bitmaps.
- Avoid a gazillion of repeated CPUID invocations in by caching the values
early in the FPU/XSTATE code.
- Enable CONFIG_WERROR for X86.
- Make the X86 defconfigs more useful by adapting them to Y2022 reality.
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Merge tag 'x86-urgent-2022-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"A set of x86 fixes and updates:
- Make the prctl() for enabling dynamic XSTATE components correct so
it adds the newly requested feature to the permission bitmap
instead of overwriting it. Add a selftest which validates that.
- Unroll string MMIO for encrypted SEV guests as the hypervisor
cannot emulate it.
- Handle supervisor states correctly in the FPU/XSTATE code so it
takes the feature set of the fpstate buffer into account. The
feature sets can differ between host and guest buffers. Guest
buffers do not contain supervisor states. So far this was not an
issue, but with enabling PASID it needs to be handled in the buffer
offset calculation and in the permission bitmaps.
- Avoid a gazillion of repeated CPUID invocations in by caching the
values early in the FPU/XSTATE code.
- Enable CONFIG_WERROR in x86 defconfig.
- Make the X86 defconfigs more useful by adapting them to Y2022
reality"
* tag 'x86-urgent-2022-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu/xstate: Consolidate size calculations
x86/fpu/xstate: Handle supervisor states in XSTATE permissions
x86/fpu/xsave: Handle compacted offsets correctly with supervisor states
x86/fpu: Cache xfeature flags from CPUID
x86/fpu/xsave: Initialize offset/size cache early
x86/fpu: Remove unused supervisor only offsets
x86/fpu: Remove redundant XCOMP_BV initialization
x86/sev: Unroll string mmio with CC_ATTR_GUEST_UNROLL_STRING_IO
x86/config: Make the x86 defconfigs a bit more usable
x86/defconfig: Enable WERROR
selftests/x86/amx: Update the ARCH_REQ_XCOMP_PERM test
x86/fpu/xstate: Fix the ARCH_REQ_XCOMP_PERM implementation
generalized.
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Merge tag 'core-urgent-2022-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RT signal fix from Thomas Gleixner:
"Revert the RT related signal changes. They need to be reworked and
generalized"
* tag 'core-urgent-2022-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "signal, x86: Delay calling signals in atomic on RT enabled kernels"
- fix a regression in dma remap handling vs AMD memory encryption (me)
- finally kill off the legacy PCI DMA API (Christophe JAILLET)
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Merge tag 'dma-mapping-5.18-1' of git://git.infradead.org/users/hch/dma-mapping
Pull more dma-mapping updates from Christoph Hellwig:
- fix a regression in dma remap handling vs AMD memory encryption (me)
- finally kill off the legacy PCI DMA API (Christophe JAILLET)
* tag 'dma-mapping-5.18-1' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: move pgprot_decrypted out of dma_pgprot
PCI/doc: cleanup references to the legacy PCI DMA API
PCI: Remove the deprecated "pci-dma-compat.h" API
This reverts commit 7dabfa2bc4. There are
multiple reports that this breaks boot on various systems. The common
theme is that orphan clks are having rates set on them when that isn't
expected. Let's revert it out for now so that -rc1 boots.
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Reported-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Link: https://lore.kernel.org/r/366a0232-bb4a-c357-6aa8-636e398e05eb@samsung.com
Cc: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20220403022818.39572-1-sboyd@kernel.org
- Avoid SEGV if core.cpus isn't set in 'perf stat'.
- Stop depending on .git files for building PERF-VERSION-FILE, used in
'perf --version', fixing some perf tools build scenarios.
- Convert tracepoint.py example to python3.
- Update UAPI header copies from the kernel sources:
socket, mman-common, msr-index, KVM, i915 and cpufeatures.
- Update copy of libbpf's hashmap.c.
- Directly return instead of using local ret variable in
evlist__create_syswide_maps(), found by coccinelle.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v5.18-2022-04-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull more perf tools updates from Arnaldo Carvalho de Melo:
- Avoid SEGV if core.cpus isn't set in 'perf stat'.
- Stop depending on .git files for building PERF-VERSION-FILE, used in
'perf --version', fixing some perf tools build scenarios.
- Convert tracepoint.py example to python3.
- Update UAPI header copies from the kernel sources: socket,
mman-common, msr-index, KVM, i915 and cpufeatures.
- Update copy of libbpf's hashmap.c.
- Directly return instead of using local ret variable in
evlist__create_syswide_maps(), found by coccinelle.
* tag 'perf-tools-for-v5.18-2022-04-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf python: Convert tracepoint.py example to python3
perf evlist: Directly return instead of using local ret variable
perf cpumap: More cpu map reuse by merge.
perf cpumap: Add is_subset function
perf evlist: Rename cpus to user_requested_cpus
perf tools: Stop depending on .git files for building PERF-VERSION-FILE
tools headers cpufeatures: Sync with the kernel sources
tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
tools headers UAPI: Sync linux/kvm.h with the kernel sources
tools kvm headers arm64: Update KVM headers from the kernel sources
tools arch x86: Sync the msr-index.h copy with the kernel sources
tools headers UAPI: Sync asm-generic/mman-common.h with the kernel
perf beauty: Update copy of linux/socket.h with the kernel sources
perf tools: Update copy of libbpf's hashmap.c
perf stat: Avoid SEGV if core.cpus isn't set
