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efd1df1982
1092077 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
efd1df1982 |
selinux/stable-5.19 PR 20220523
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Merge tag 'selinux-pr-20220523' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux updates from Paul Moore:
"We've got twelve patches queued for v5.19, with most being fairly
minor. The highlights are below:
- The checkreqprot and runtime disable knobs have been deprecated for
some time with no active users that we can find. In an effort to
move things along we are adding a pause when the knobs are used to
help make the deprecation more noticeable in case anyone is still
using these hacks in the shadows.
- We've added the anonymous inode class name to the AVC audit records
when anonymous inodes are involved. This should make writing policy
easier when anonymous inodes are involved.
- More constification work. This is fairly straightforward and the
source of most of the diffstat.
- The usual minor cleanups: remove unnecessary assignments, assorted
style/checkpatch fixes, kdoc fixes, macro while-loop
encapsulations, #include tweaks, etc"
* tag 'selinux-pr-20220523' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
security: declare member holding string literal const
selinux: log anon inode class name
selinux: declare data arrays const
selinux: fix indentation level of mls_ops block
selinux: include necessary headers in headers
selinux: avoid extra semicolon
selinux: update parameter documentation
selinux: resolve checkpatch errors
selinux: don't sleep when CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE is true
selinux: checkreqprot is deprecated, add some ssleep() discomfort
selinux: runtime disable is deprecated, add some ssleep() discomfort
selinux: Remove redundant assignments
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Linus Torvalds
|
a6b450573b |
execve updates for v5.19-rc1
- Fix binfmt_flat GOT handling for riscv (Niklas Cassel) - Remove unused/broken shared library and coredump code (Eric W. Biederman) -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmKL3fAWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJlVjD/47IFUgk2hmBlQbUCgA8iEv5IOY SmoXSrnT0fQOHNenubNODWUwpcfojRBOiOQbFuOlpSj3Ehsy+IwPGBUB+Kirq013 joTeQuJfu+jsO34QycHDiEOb8hn6/eqWDb+VPHTUJOEzZXLDS8pExqvcifp/NrpB iIugY0yUjxtN5XlaGFV9cI5ZN1MjEBUnzzNlf7ik3dU4ydyqjOwnWXk8MjAF6+68 SVh3mXpSUEx//MZD9LvDOmSFNdvosVD3UviX3X4ZvuHRzHe7ySgWxYyLi2uskM88 /TMCRo55APrdJLFN7RhP68ufdkfIGrlLvdJsimg441GlQM82f3TYdDrFJOGgPAqj sy0vhdzDGmm0qlnhMc0LjhR2UsZTsusbKV8V1CmD/fpMh0FF3iAT5U/0o6ZM6pas 7PocJTBahbI1yvDtkP2bUk/ZyQICTKaaQZrB/bqN66ccppHOSdaA9m1jhmDG6d2e g0AbyPQwTd29yr459cv7IHGp/zjfzEUy6Hcki4Wn1Lj6cDZUuOt2bu4H7bpRvlLM CJHJYHNlYPWXvQAgV8rBBk49rQzwBxMBDOfDk1Lbfe9RfbkUL9oLWFTQO+p3rufm qgUk1WQNqWaQyfx3InLnY1bPs9ZKy4/LHfxm3vfWjpnhdfVxfxJ28locZl/ypk1A lKG4oNzZ79wsSaAueg== =ci+a -----END PGP SIGNATURE----- Merge tag 'execve-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull execve updates from Kees Cook: - Fix binfmt_flat GOT handling for riscv (Niklas Cassel) - Remove unused/broken binfmt_flat shared library and coredump code (Eric W. Biederman) * tag 'execve-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: binfmt_flat: Remove shared library support binfmt_flat: Drop vestiges of coredump support binfmt_flat: do not stop relocating GOT entries prematurely on riscv |
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Linus Torvalds
|
dc8af1ffd6 |
seccomp updates for v5.19-rc1
- Rework USER_NOTIF notification ordering and kill logic (Sargun Dhillon) - Improved PTRACE_O_SUSPEND_SECCOMP selftest (Jann Horn) - Gracefully handle failed unshare() in selftests (Yang Guang) - Spelling fix (Colin Ian King) -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmKL3PcWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJv6PD/0TQeV6brFi+m98nQpASx/gaBL2 c/0IgjBBVeA3CWjfN25gogIiFc8sKzs0hVnFkQt0JX6wgvqKAvU3ZCpVUoF4U4KB yznJQgzU66bvw/t+Sy6eSuZTN9bYzS+nWjczpwtRmcfzLLRtODN//9Hbz+2j9zdX VJzbfy4pGpiiZ25ZxbKDhu9P8WFTjaC7bohI5/+RG/cLEPOR9xTdNBOHBksk6VYm dRy9gT6v6BwF66APs1DylL+xVTSxsjymd0hvtRUn4R6+GHCZ8tlwgUFkb5oKEmki qCoxpj0a+EZ3Z8WAtbOJJYixB/MwK9vAxNqjcIyGbdhXvj2mZ3YRNu03araMQh+N 9vJdsfScu6401Hk+di40X0voSFwoMyheGu51tbT1El2DC0JLSZBsYceb/zSxyM7s KFVU7Is2pKj1UsxHoj8ielhJHOw8h0prdQmyMydaapTD/MXH3WKT/PFoT+oGG9IN 2MCpwz2U1VQmpn5bqdXlesTRRfOTGwUhI+hrDGAnnE+d2P+K/Ujoyq4ZDmP87aYP fCM0fQi+BGj3F6XDwKnpdg/qTLZInwRg2ZChQlky/DR+PIaTavSjBZcfvc0IKzhd vaFM80tNXl5BXZN0c9foCrU+s0ErdNVC00qs/EdpjTGAqSySnEkuPNq0/DmbLF67 e8puOuFCkYHFQgPz5A== =KxfK -----END PGP SIGNATURE----- Merge tag 'seccomp-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull seccomp updates from Kees Cook: - Rework USER_NOTIF notification ordering and kill logic (Sargun Dhillon) - Improved PTRACE_O_SUSPEND_SECCOMP selftest (Jann Horn) - Gracefully handle failed unshare() in selftests (Yang Guang) - Spelling fix (Colin Ian King) * tag 'seccomp-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: selftests/seccomp: Fix spelling mistake "Coud" -> "Could" selftests/seccomp: Add test for wait killable notifier selftests/seccomp: Refactor get_proc_stat to split out file reading code seccomp: Add wait_killable semantic to seccomp user notifier selftests/seccomp: Ensure that notifications come in FIFO order seccomp: Use FIFO semantics to order notifications selftests/seccomp: Add SKIP for failed unshare() selftests/seccomp: Test PTRACE_O_SUSPEND_SECCOMP without CAP_SYS_ADMIN |
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Linus Torvalds
|
0bf13a8436 |
kernel-hardening updates for v5.19-rc1
- usercopy hardening expanded to check other allocation types (Matthew Wilcox, Yuanzheng Song) - arm64 stackleak behavioral improvements (Mark Rutland) - arm64 CFI code gen improvement (Sami Tolvanen) - LoadPin LSM block dev API adjustment (Christoph Hellwig) - Clang randstruct support (Bill Wendling, Kees Cook) -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmKL1kMWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJlz6D/9lYEwDQYwKVK6fsXdgcs/eUkqc P06KGm7jDiYiua34LMpgu35wkRcxVDzB92kzQmt7yaVqhlIGjO9wnP+uZrq8q/LS X9FSb457fREg0XLPX5XC60abHYyikvgJMf06dSLaBcRq1Wzqwp5JZPpLZJUAM2ab rM1Vq0brfF1+lPAPECx1sYYNksP9XTw0dtzUu8D9tlTQDFAhKYhV6Io5yRFkA4JH ELSHjJHlNgLYeZE5IfWHRQBb+yofjnt61IwoVkqa5lSfoyvKpBPF5G+3gOgtdkyv A8So2aG/bMNUUY80Th5ojiZ6V7z5SYjUmHRil6I/swAdkc825n2wM+AQqsxv6U4I VvGz3cxaKklERw5N+EJw4amivcgm1jEppZ7qCx9ysLwVg/LI050qhv/T10TYPmOX 0sQEpZvbKuqGb6nzWo6DME8OpZ27yIa/oRzBHdkIkfkEefYlKWS+dfvWb/73cltj jx066Znk1hHZWGT48EsRmxdGAHn4kfIMcMgIs1ki1OO2II6LoXyaFJ0wSAYItxpz 5gCmDMjkGFRrtXXPEhi6kfKKpOuQux+BmpbVfEzox7Gnrf45sp92cYLncmpAsFB3 91nPa4/utqb/9ijFCIinazLdcUBPO8I1C8FOHDWSFCnNt4d3j2ozpLbrKWyQsm7+ RCGdcy+NU/FH1FwZlg== =nxsC -----END PGP SIGNATURE----- Merge tag 'kernel-hardening-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull kernel hardening updates from Kees Cook: - usercopy hardening expanded to check other allocation types (Matthew Wilcox, Yuanzheng Song) - arm64 stackleak behavioral improvements (Mark Rutland) - arm64 CFI code gen improvement (Sami Tolvanen) - LoadPin LSM block dev API adjustment (Christoph Hellwig) - Clang randstruct support (Bill Wendling, Kees Cook) * tag 'kernel-hardening-v5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (34 commits) loadpin: stop using bdevname mm: usercopy: move the virt_addr_valid() below the is_vmalloc_addr() gcc-plugins: randstruct: Remove cast exception handling af_unix: Silence randstruct GCC plugin warning niu: Silence randstruct warnings big_keys: Use struct for internal payload gcc-plugins: Change all version strings match kernel randomize_kstack: Improve docs on requirements/rationale lkdtm/stackleak: fix CONFIG_GCC_PLUGIN_STACKLEAK=n arm64: entry: use stackleak_erase_on_task_stack() stackleak: add on/off stack variants lkdtm/stackleak: check stack boundaries lkdtm/stackleak: prevent unexpected stack usage lkdtm/stackleak: rework boundary management lkdtm/stackleak: avoid spurious failure stackleak: rework poison scanning stackleak: rework stack high bound handling stackleak: clarify variable names stackleak: rework stack low bound handling stackleak: remove redundant check ... |
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Linus Torvalds
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51518aa68c |
fsverity updates for 5.19
A couple small cleanups for fs/verity/. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCYosv7hQcZWJpZ2dlcnNA Z29vZ2xlLmNvbQAKCRDzXCl4vpKOK/UUAQCFP7hbXhEWsL7GdlC/mbj37xt5eqZl Ezlkci0QZhi84QD7BeiTLaS5gwu4zWdNOL7zPawnA6+7tGuZjvphPNCvbAc= =q5iZ -----END PGP SIGNATURE----- Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt Pull fsverity updates from Eric Biggers: "A couple small cleanups for fs/verity/" * tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: fs-verity: Use struct_size() helper in enable_verity() fs-verity: remove unused parameter desc_size in fsverity_create_info() |
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Linus Torvalds
|
c1f4cfdbef |
fscrypt updates for 5.19
Some cleanups for fs/crypto/:
- Split up the misleadingly-named FS_CRYPTO_BLOCK_SIZE constant.
- Consistently report the encryption implementation that is being used.
- Add helper functions for the test_dummy_encryption mount option that
work properly with the new mount API. ext4 and f2fs will use these.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fscrypt updates from Eric Biggers:
"Some cleanups for fs/crypto/:
- Split up the misleadingly-named FS_CRYPTO_BLOCK_SIZE constant.
- Consistently report the encryption implementation that is being
used.
- Add helper functions for the test_dummy_encryption mount option
that work properly with the new mount API. ext4 and f2fs will use
these"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fscrypt: add new helper functions for test_dummy_encryption
fscrypt: factor out fscrypt_policy_to_key_spec()
fscrypt: log when starting to use inline encryption
fscrypt: split up FS_CRYPTO_BLOCK_SIZE
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Linus Torvalds
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ac2ab99072 |
Random number generator updates for Linux 5.19-rc1.
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Merge tag 'random-5.19-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator updates from Jason Donenfeld:
"These updates continue to refine the work began in 5.17 and 5.18 of
modernizing the RNG's crypto and streamlining and documenting its
code.
New for 5.19, the updates aim to improve entropy collection methods
and make some initial decisions regarding the "premature next" problem
and our threat model. The cloc utility now reports that random.c is
931 lines of code and 466 lines of comments, not that basic metrics
like that mean all that much, but at the very least it tells you that
this is very much a manageable driver now.
Here's a summary of the various updates:
- The random_get_entropy() function now always returns something at
least minimally useful. This is the primary entropy source in most
collectors, which in the best case expands to something like RDTSC,
but prior to this change, in the worst case it would just return 0,
contributing nothing. For 5.19, additional architectures are wired
up, and architectures that are entirely missing a cycle counter now
have a generic fallback path, which uses the highest resolution
clock available from the timekeeping subsystem.
Some of those clocks can actually be quite good, despite the CPU
not having a cycle counter of its own, and going off-core for a
stamp is generally thought to increase jitter, something positive
from the perspective of entropy gathering. Done very early on in
the development cycle, this has been sitting in next getting some
testing for a while now and has relevant acks from the archs, so it
should be pretty well tested and fine, but is nonetheless the thing
I'll be keeping my eye on most closely.
- Of particular note with the random_get_entropy() improvements is
MIPS, which, on CPUs that lack the c0 count register, will now
combine the high-speed but short-cycle c0 random register with the
lower-speed but long-cycle generic fallback path.
- With random_get_entropy() now always returning something useful,
the interrupt handler now collects entropy in a consistent
construction.
- Rather than comparing two samples of random_get_entropy() for the
jitter dance, the algorithm now tests many samples, and uses the
amount of differing ones to determine whether or not jitter entropy
is usable and how laborious it must be. The problem with comparing
only two samples was that if the cycle counter was extremely slow,
but just so happened to be on the cusp of a change, the slowness
wouldn't be detected. Taking many samples fixes that to some
degree.
This, combined with the other improvements to random_get_entropy(),
should make future unification of /dev/random and /dev/urandom
maybe more possible. At the very least, were we to attempt it again
today (we're not), it wouldn't break any of Guenter's test rigs
that broke when we tried it with 5.18. So, not today, but perhaps
down the road, that's something we can revisit.
- We attempt to reseed the RNG immediately upon waking up from system
suspend or hibernation, making use of the various timestamps about
suspend time and such available, as well as the usual inputs such
as RDRAND when available.
- Batched randomness now falls back to ordinary randomness before the
RNG is initialized. This provides more consistent guarantees to the
types of random numbers being returned by the various accessors.
- The "pre-init injection" code is now gone for good. I suspect you
in particular will be happy to read that, as I recall you
expressing your distaste for it a few months ago. Instead, to avoid
a "premature first" issue, while still allowing for maximal amount
of entropy availability during system boot, the first 128 bits of
estimated entropy are used immediately as it arrives, with the next
128 bits being buffered. And, as before, after the RNG has been
fully initialized, it winds up reseeding anyway a few seconds later
in most cases. This resulted in a pretty big simplification of the
initialization code and let us remove various ad-hoc mechanisms
like the ugly crng_pre_init_inject().
- The RNG no longer pretends to handle the "premature next" security
model, something that various academics and other RNG designs have
tried to care about in the past. After an interesting mailing list
thread, these issues are thought to be a) mainly academic and not
practical at all, and b) actively harming the real security of the
RNG by delaying new entropy additions after a potential compromise,
making a potentially bad situation even worse. As well, in the
first place, our RNG never even properly handled the premature next
issue, so removing an incomplete solution to a fake problem was
particularly nice.
This allowed for numerous other simplifications in the code, which
is a lot cleaner as a consequence. If you didn't see it before,
https://lore.kernel.org/lkml/YmlMGx6+uigkGiZ0@zx2c4.com/ may be a
thread worth skimming through.
- While the interrupt handler received a separate code path years ago
that avoids locks by using per-cpu data structures and a faster
mixing algorithm, in order to reduce interrupt latency, input and
disk events that are triggered in hardirq handlers were still
hitting locks and more expensive algorithms. Those are now
redirected to use the faster per-cpu data structures.
- Rather than having the fake-crypto almost-siphash-based random32
implementation be used right and left, and in many places where
cryptographically secure randomness is desirable, the batched
entropy code is now fast enough to replace that.
- As usual, numerous code quality and documentation cleanups. For
example, the initialization state machine now uses enum symbolic
constants instead of just hard coding numbers everywhere.
- Since the RNG initializes once, and then is always initialized
thereafter, a pretty heavy amount of code used during that
initialization is never used again. It is now completely cordoned
off using static branches and it winds up in the .text.unlikely
section so that it doesn't reduce cache compactness after the RNG
is ready.
- A variety of functions meant for waiting on the RNG to be
initialized were only used by vsprintf, and in not a particularly
optimal way. Replacing that usage with a more ordinary setup made
it possible to remove those functions.
- A cleanup of how we warn userspace about the use of uninitialized
/dev/urandom and uninitialized get_random_bytes() usage.
Interestingly, with the change you merged for 5.18 that attempts to
use jitter (but does not block if it can't), the majority of users
should never see those warnings for /dev/urandom at all now, and
the one for in-kernel usage is mainly a debug thing.
- The file_operations struct for /dev/[u]random now implements
.read_iter and .write_iter instead of .read and .write, allowing it
to also implement .splice_read and .splice_write, which makes
splice(2) work again after it was broken here (and in many other
places in the tree) during the set_fs() removal. This was a bit of
a last minute arrival from Jens that hasn't had as much time to
bake, so I'll be keeping my eye on this as well, but it seems
fairly ordinary. Unfortunately, read_iter() is around 3% slower
than read() in my tests, which I'm not thrilled about. But Jens and
Al, spurred by this observation, seem to be making progress in
removing the bottlenecks on the iter paths in the VFS layer in
general, which should remove the performance gap for all drivers.
- Assorted other bug fixes, cleanups, and optimizations.
- A small SipHash cleanup"
* tag 'random-5.19-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random: (49 commits)
random: check for signals after page of pool writes
random: wire up fops->splice_{read,write}_iter()
random: convert to using fops->write_iter()
random: convert to using fops->read_iter()
random: unify batched entropy implementations
random: move randomize_page() into mm where it belongs
random: remove mostly unused async readiness notifier
random: remove get_random_bytes_arch() and add rng_has_arch_random()
random: move initialization functions out of hot pages
random: make consistent use of buf and len
random: use proper return types on get_random_{int,long}_wait()
random: remove extern from functions in header
random: use static branch for crng_ready()
random: credit architectural init the exact amount
random: handle latent entropy and command line from random_init()
random: use proper jiffies comparison macro
random: remove ratelimiting for in-kernel unseeded randomness
random: move initialization out of reseeding hot path
random: avoid initializing twice in credit race
random: use symbolic constants for crng_init states
...
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Daniel Thompson
|
eadb2f47a3 |
lockdown: also lock down previous kgdb use
KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown. An attacker with access to a serial port (for example, via a hypervisor console, which some cloud vendors provide over the network) could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. Fix this by integrating lockdown into kdb's existing permissions mechanism. Unfortunately kgdb does not have any permissions mechanism (although it certainly could be added later) so, for now, kgdb is simply and brutally disabled by immediately exiting the gdb stub without taking any action. For lockdowns established early in the boot (e.g. the normal case) then this should be fine but on systems where kgdb has set breakpoints before the lockdown is enacted than "bad things" will happen. CVE: CVE-2022-21499 Co-developed-by: Stephen Brennan <stephen.s.brennan@oracle.com> Signed-off-by: Stephen Brennan <stephen.s.brennan@oracle.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
6f3f04c190 |
Scheduler changes in this cycle were:
- Updates to scheduler metrics:
- PELT fixes & enhancements
- PSI fixes & enhancements
- Refactor cpu_util_without()
- Updates to instrumentation/debugging:
- Remove sched_trace_*() helper functions - can be done via debug info
- Fix double update_rq_clock() warnings
- Introduce & use "preemption model accessors" to simplify some of
the Kconfig complexity.
- Make softirq handling RT-safe.
- Misc smaller fixes & cleanups.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- Updates to scheduler metrics:
- PELT fixes & enhancements
- PSI fixes & enhancements
- Refactor cpu_util_without()
- Updates to instrumentation/debugging:
- Remove sched_trace_*() helper functions - can be done via debug
info
- Fix double update_rq_clock() warnings
- Introduce & use "preemption model accessors" to simplify some of the
Kconfig complexity.
- Make softirq handling RT-safe.
- Misc smaller fixes & cleanups.
* tag 'sched-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
topology: Remove unused cpu_cluster_mask()
sched: Reverse sched_class layout
sched/deadline: Remove superfluous rq clock update in push_dl_task()
sched/core: Avoid obvious double update_rq_clock warning
smp: Make softirq handling RT safe in flush_smp_call_function_queue()
smp: Rename flush_smp_call_function_from_idle()
sched: Fix missing prototype warnings
sched/fair: Remove cfs_rq_tg_path()
sched/fair: Remove sched_trace_*() helper functions
sched/fair: Refactor cpu_util_without()
sched/fair: Revise comment about lb decision matrix
sched/psi: report zeroes for CPU full at the system level
sched/fair: Delete useless condition in tg_unthrottle_up()
sched/fair: Fix cfs_rq_clock_pelt() for throttled cfs_rq
sched/fair: Move calculate of avg_load to a better location
mailmap: Update my email address to @redhat.com
MAINTAINERS: Add myself as scheduler topology reviewer
psi: Fix trigger being fired unexpectedly at initial
ftrace: Use preemption model accessors for trace header printout
kcsan: Use preemption model accessors
|
||
|
Linus Torvalds
|
cfeb2522c3 |
Perf events changes for this cycle were:
Platform PMU changes:
=====================
- x86/intel:
- Add new Intel Alder Lake and Raptor Lake support
- x86/amd:
- AMD Zen4 IBS extensions support
- Add AMD PerfMonV2 support
- Add AMD Fam19h Branch Sampling support
Generic changes:
================
- signal: Deliver SIGTRAP on perf event asynchronously if blocked
Perf instrumentation can be driven via SIGTRAP, but this causes a problem
when SIGTRAP is blocked by a task & terminate the task.
Allow user-space to request these signals asynchronously (after they get
unblocked) & also give the information to the signal handler when this
happens:
" To give user space the ability to clearly distinguish synchronous from
asynchronous signals, introduce siginfo_t::si_perf_flags and
TRAP_PERF_FLAG_ASYNC (opted for flags in case more binary information is
required in future).
The resolution to the problem is then to (a) no longer force the signal
(avoiding the terminations), but (b) tell user space via si_perf_flags
if the signal was synchronous or not, so that such signals can be
handled differently (e.g. let user space decide to ignore or consider
the data imprecise). "
- Unify/standardize the /sys/devices/cpu/events/* output format.
- Misc fixes & cleanups.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events updates from Ingo Molnar:
"Platform PMU changes:
- x86/intel:
- Add new Intel Alder Lake and Raptor Lake support
- x86/amd:
- AMD Zen4 IBS extensions support
- Add AMD PerfMonV2 support
- Add AMD Fam19h Branch Sampling support
Generic changes:
- signal: Deliver SIGTRAP on perf event asynchronously if blocked
Perf instrumentation can be driven via SIGTRAP, but this causes a
problem when SIGTRAP is blocked by a task & terminate the task.
Allow user-space to request these signals asynchronously (after
they get unblocked) & also give the information to the signal
handler when this happens:
"To give user space the ability to clearly distinguish
synchronous from asynchronous signals, introduce
siginfo_t::si_perf_flags and TRAP_PERF_FLAG_ASYNC (opted for
flags in case more binary information is required in future).
The resolution to the problem is then to (a) no longer force the
signal (avoiding the terminations), but (b) tell user space via
si_perf_flags if the signal was synchronous or not, so that such
signals can be handled differently (e.g. let user space decide
to ignore or consider the data imprecise). "
- Unify/standardize the /sys/devices/cpu/events/* output format.
- Misc fixes & cleanups"
* tag 'perf-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits)
perf/x86/amd/core: Fix reloading events for SVM
perf/x86/amd: Run AMD BRS code only on supported hw
perf/x86/amd: Fix AMD BRS period adjustment
perf/x86/amd: Remove unused variable 'hwc'
perf/ibs: Fix comment
perf/amd/ibs: Advertise zen4_ibs_extensions as pmu capability attribute
perf/amd/ibs: Add support for L3 miss filtering
perf/amd/ibs: Use ->is_visible callback for dynamic attributes
perf/amd/ibs: Cascade pmu init functions' return value
perf/x86/uncore: Add new Alder Lake and Raptor Lake support
perf/x86/uncore: Clean up uncore_pci_ids[]
perf/x86/cstate: Add new Alder Lake and Raptor Lake support
perf/x86/msr: Add new Alder Lake and Raptor Lake support
perf/x86: Add new Alder Lake and Raptor Lake support
perf/amd/ibs: Use interrupt regs ip for stack unwinding
perf/x86/amd/core: Add PerfMonV2 overflow handling
perf/x86/amd/core: Add PerfMonV2 counter control
perf/x86/amd/core: Detect available counters
perf/x86/amd/core: Detect PerfMonV2 support
x86/msr: Add PerfCntrGlobal* registers
...
|
||
|
Linus Torvalds
|
22922deae1 |
Objtool changes for this cycle were:
- Comprehensive interface overhaul:
=================================
Objtool's interface has some issues:
- Several features are done unconditionally, without any way to turn
them off. Some of them might be surprising. This makes objtool
tricky to use, and prevents porting individual features to other
arches.
- The config dependencies are too coarse-grained. Objtool enablement is
tied to CONFIG_STACK_VALIDATION, but it has several other features
independent of that.
- The objtool subcmds ("check" and "orc") are clumsy: "check" is really
a subset of "orc", so it has all the same options. The subcmd model
has never really worked for objtool, as it only has a single purpose:
"do some combination of things on an object file".
- The '--lto' and '--vmlinux' options are nonsensical and have
surprising behavior.
Overhaul the interface:
- get rid of subcmds
- make all features individually selectable
- remove and/or clarify confusing/obsolete options
- update the documentation
- fix some bugs found along the way
- Fix x32 regression
- Fix Kbuild cleanup bugs
- Add scripts/objdump-func helper script to disassemble a single function from an object file.
- Rewrite scripts/faddr2line to be section-aware, by basing it on 'readelf',
moving it away from 'nm', which doesn't handle multiple sections well,
which can result in decoding failure.
- Rewrite & fix symbol handling - which had a number of bugs wrt. object files
that don't have global symbols - which is rare but possible. Also fix a
bunch of symbol handling bugs found along the way.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
- Comprehensive interface overhaul:
=================================
Objtool's interface has some issues:
- Several features are done unconditionally, without any way to
turn them off. Some of them might be surprising. This makes
objtool tricky to use, and prevents porting individual features
to other arches.
- The config dependencies are too coarse-grained. Objtool
enablement is tied to CONFIG_STACK_VALIDATION, but it has several
other features independent of that.
- The objtool subcmds ("check" and "orc") are clumsy: "check" is
really a subset of "orc", so it has all the same options.
The subcmd model has never really worked for objtool, as it only
has a single purpose: "do some combination of things on an object
file".
- The '--lto' and '--vmlinux' options are nonsensical and have
surprising behavior.
Overhaul the interface:
- get rid of subcmds
- make all features individually selectable
- remove and/or clarify confusing/obsolete options
- update the documentation
- fix some bugs found along the way
- Fix x32 regression
- Fix Kbuild cleanup bugs
- Add scripts/objdump-func helper script to disassemble a single
function from an object file.
- Rewrite scripts/faddr2line to be section-aware, by basing it on
'readelf', moving it away from 'nm', which doesn't handle multiple
sections well, which can result in decoding failure.
- Rewrite & fix symbol handling - which had a number of bugs wrt.
object files that don't have global symbols - which is rare but
possible. Also fix a bunch of symbol handling bugs found along the
way.
* tag 'objtool-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
objtool: Fix objtool regression on x32 systems
objtool: Fix symbol creation
scripts/faddr2line: Fix overlapping text section failures
scripts: Create objdump-func helper script
objtool: Remove libsubcmd.a when make clean
objtool: Remove inat-tables.c when make clean
objtool: Update documentation
objtool: Remove --lto and --vmlinux in favor of --link
objtool: Add HAVE_NOINSTR_VALIDATION
objtool: Rename "VMLINUX_VALIDATION" -> "NOINSTR_VALIDATION"
objtool: Make noinstr hacks optional
objtool: Make jump label hack optional
objtool: Make static call annotation optional
objtool: Make stack validation frame-pointer-specific
objtool: Add CONFIG_OBJTOOL
objtool: Extricate sls from stack validation
objtool: Rework ibt and extricate from stack validation
objtool: Make stack validation optional
objtool: Add option to print section addresses
objtool: Don't print parentheses in function addresses
...
|
||
|
Linus Torvalds
|
2319be1356 |
Locking changes in this cycle were:
- rwsem cleanups & optimizations/fixes:
- Conditionally wake waiters in reader/writer slowpaths
- Always try to wake waiters in out_nolock path
- Add try_cmpxchg64() implementation, with arch optimizations - and use it to
micro-optimize sched_clock_{local,remote}()
- Various force-inlining fixes to address objdump instrumentation-check warnings
- Add lock contention tracepoints:
lock:contention_begin
lock:contention_end
- Misc smaller fixes & cleanups
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
- rwsem cleanups & optimizations/fixes:
- Conditionally wake waiters in reader/writer slowpaths
- Always try to wake waiters in out_nolock path
- Add try_cmpxchg64() implementation, with arch optimizations - and use
it to micro-optimize sched_clock_{local,remote}()
- Various force-inlining fixes to address objdump instrumentation-check
warnings
- Add lock contention tracepoints:
lock:contention_begin
lock:contention_end
- Misc smaller fixes & cleanups
* tag 'locking-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/clock: Use try_cmpxchg64 in sched_clock_{local,remote}
locking/atomic/x86: Introduce arch_try_cmpxchg64
locking/atomic: Add generic try_cmpxchg64 support
futex: Remove a PREEMPT_RT_FULL reference.
locking/qrwlock: Change "queue rwlock" to "queued rwlock"
lockdep: Delete local_irq_enable_in_hardirq()
locking/mutex: Make contention tracepoints more consistent wrt adaptive spinning
locking: Apply contention tracepoints in the slow path
locking: Add lock contention tracepoints
locking/rwsem: Always try to wake waiters in out_nolock path
locking/rwsem: Conditionally wake waiters in reader/writer slowpaths
locking/rwsem: No need to check for handoff bit if wait queue empty
lockdep: Fix -Wunused-parameter for _THIS_IP_
x86/mm: Force-inline __phys_addr_nodebug()
x86/kvm/svm: Force-inline GHCB accessors
task_stack, x86/cea: Force-inline stack helpers
|
||
|
Linus Torvalds
|
143a6252e1 |
arm64 updates for 5.19:
- Initial support for the ARMv9 Scalable Matrix Extension (SME). SME takes the approach used for vectors in SVE and extends this to provide architectural support for matrix operations. No KVM support yet, SME is disabled in guests. - Support for crashkernel reservations above ZONE_DMA via the 'crashkernel=X,high' command line option. - btrfs search_ioctl() fix for live-lock with sub-page faults. - arm64 perf updates: support for the Hisilicon "CPA" PMU for monitoring coherent I/O traffic, support for Arm's CMN-650 and CMN-700 interconnect PMUs, minor driver fixes, kerneldoc cleanup. - Kselftest updates for SME, BTI, MTE. - Automatic generation of the system register macros from a 'sysreg' file describing the register bitfields. - Update the type of the function argument holding the ESR_ELx register value to unsigned long to match the architecture register size (originally 32-bit but extended since ARMv8.0). - stacktrace cleanups. - ftrace cleanups. - Miscellaneous updates, most notably: arm64-specific huge_ptep_get(), avoid executable mappings in kexec/hibernate code, drop TLB flushing from get_clear_flush() (and rename it to get_clear_contig()), ARCH_NR_GPIO bumped to 2048 for ARCH_APPLE. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE5RElWfyWxS+3PLO2a9axLQDIXvEFAmKH19IACgkQa9axLQDI XvEFWg//bf0p6zjeNaOJmBbyVFsXsVyYiEaLUpFPUs3oB+81s2YZ+9i1rgMrNCft EIDQ9+/HgScKxJxnzWf68heMdcBDbk76VJtLALExbge6owFsjByQDyfb/b3v/bLd ezAcGzc6G5/FlI1IP7ct4Z9MnQry4v5AG8lMNAHjnf6GlBS/tYNAqpmj8HpQfgRQ ZbhfZ8Ayu3TRSLWL39NHVevpmxQm/bGcpP3Q9TtjUqg0r1FQ5sK/LCqOksueIAzT UOgUVYWSFwTpLEqbYitVqgERQp9LiLoK5RmNYCIEydfGM7+qmgoxofSq5e2hQtH2 SZM1XilzsZctRbBbhMit1qDBqMlr/XAy/R5FO0GauETVKTaBhgtj6mZGyeC9nU/+ RGDljaArbrOzRwMtSuXF+Fp6uVo5spyRn1m8UT/k19lUTdrV9z6EX5Fzuc4Mnhed oz4iokbl/n8pDObXKauQspPA46QpxUYhrAs10B/ELc3yyp/Qj3jOfzYHKDNFCUOq HC9mU+YiO9g2TbYgCrrFM6Dah2E8fU6/cR0ZPMeMgWK4tKa+6JMEINYEwak9e7M+ 8lZnvu3ntxiJLN+PrPkiPyG+XBh2sux1UfvNQ+nw4Oi9xaydeX7PCbQVWmzTFmHD q7UPQ8220e2JNCha9pULS8cxDLxiSksce06DQrGXwnHc1Ir7T04= =0DjE -----END PGP SIGNATURE----- Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 updates from Catalin Marinas: - Initial support for the ARMv9 Scalable Matrix Extension (SME). SME takes the approach used for vectors in SVE and extends this to provide architectural support for matrix operations. No KVM support yet, SME is disabled in guests. - Support for crashkernel reservations above ZONE_DMA via the 'crashkernel=X,high' command line option. - btrfs search_ioctl() fix for live-lock with sub-page faults. - arm64 perf updates: support for the Hisilicon "CPA" PMU for monitoring coherent I/O traffic, support for Arm's CMN-650 and CMN-700 interconnect PMUs, minor driver fixes, kerneldoc cleanup. - Kselftest updates for SME, BTI, MTE. - Automatic generation of the system register macros from a 'sysreg' file describing the register bitfields. - Update the type of the function argument holding the ESR_ELx register value to unsigned long to match the architecture register size (originally 32-bit but extended since ARMv8.0). - stacktrace cleanups. - ftrace cleanups. - Miscellaneous updates, most notably: arm64-specific huge_ptep_get(), avoid executable mappings in kexec/hibernate code, drop TLB flushing from get_clear_flush() (and rename it to get_clear_contig()), ARCH_NR_GPIO bumped to 2048 for ARCH_APPLE. * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (145 commits) arm64/sysreg: Generate definitions for FAR_ELx arm64/sysreg: Generate definitions for DACR32_EL2 arm64/sysreg: Generate definitions for CSSELR_EL1 arm64/sysreg: Generate definitions for CPACR_ELx arm64/sysreg: Generate definitions for CONTEXTIDR_ELx arm64/sysreg: Generate definitions for CLIDR_EL1 arm64/sve: Move sve_free() into SVE code section arm64: Kconfig.platforms: Add comments arm64: Kconfig: Fix indentation and add comments arm64: mm: avoid writable executable mappings in kexec/hibernate code arm64: lds: move special code sections out of kernel exec segment arm64/hugetlb: Implement arm64 specific huge_ptep_get() arm64/hugetlb: Use ptep_get() to get the pte value of a huge page arm64: kdump: Do not allocate crash low memory if not needed arm64/sve: Generate ZCR definitions arm64/sme: Generate defintions for SVCR arm64/sme: Generate SMPRI_EL1 definitions arm64/sme: Automatically generate SMPRIMAP_EL2 definitions arm64/sme: Automatically generate SMIDR_EL1 defines arm64/sme: Automatically generate defines for SMCR ... |
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|
Linus Torvalds
|
d6edf95109 |
ARM updates for 5.19-rc1:
- amba bus updates - simplify ldr_this_cpu assembler macro for uniprocessor builds - avoid explicit assembler literal loads - more spectre-bhb improvements - add Cortex-A9 Errata 764319 workaround - add all unwind tables for modules -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEuNNh8scc2k/wOAE+9OeQG+StrGQFAmKLkmMACgkQ9OeQG+St rGRgAA//TDMAIaW7FyTvpGeGQg5xJ4YZuFJhMcJyCOaDRdrm+K0tGA6KyVxpS0iW lW/5Q3tV6J9leWOVi+ZFQQAQVV/9Kl+L9EYCaIiH2SQ5w1Kucx1hQgnUmjgGV1Tn ysUfXQ9YQEaQBHDoVuqcXg04BZGx33o/0udyXGCDTdDA6tuHURtA37GrzBJC+VXv /0g2OzzZizcUf/BVYwDzaONlFsUQkJFUneWpz//x+CUvtVVj/Mc7bHey0HQOygda 56kGSqTT9KrJ9ny1pMorjBiBPZoVShcbv5YqQH4sdbnXUDDEJq1popcAMAF681SZ 7MtJvXDQ07mMprCp5GHZk3EPy8aK5L9PSF2JTf/WIlEJthftJTGlzLbY2jsDFoOR HuWmLF7+XeJnU1Dnjg/V/ljqkWxqM0GY9QlKP/3q62I/GH/tApAguo3RmNIORHWq 0p7nvvNnB9CqYzdS9itDPXTA2/18XgTX8FQM1WvBRdXIExtjjO2QcsskdAH/oPFb ZCJMl34T2EWbGZxiOxMyOxvwDFxzCr1WscNRpg6bd/DF8roULlQzLW2o9OsqDM+B iogdIClvlQS8Sm3DrtytXMHMqBZ7Xq3p2PPQt35b6WTag/Zre9kvxzxi/IQmX5aj IKjXgKldEzVsgi6/h8Ez/adm6GI9+uuNJnIC33Nqp3XyJB3/fAg= =XEQ+ -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm Pull ARM updates from Russell King: - amba bus updates - simplify ldr_this_cpu assembler macro for uniprocessor builds - avoid explicit assembler literal loads - more spectre-bhb improvements - add Cortex-A9 Errata 764319 workaround - add all unwind tables for modules * tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: 9204/2: module: Add all unwind tables when load module ARM: 9206/1: A9: Add ARM ERRATA 764319 workaround (Updated) ARM: 9201/1: spectre-bhb: rely on linker to emit cross-section literal loads ARM: 9200/1: spectre-bhb: avoid cross-subsection jump using a numbered label ARM: 9199/1: spectre-bhb: use local DSB and elide ISB in loop8 sequence ARM: 9198/1: spectre-bhb: simplify BPIALL vector macro ARM: 9195/1: entry: avoid explicit literal loads ARM: 9194/1: assembler: simplify ldr_this_cpu for !SMP builds ARM: 9192/1: amba: fix memory leak in amba_device_try_add() ARM: 9193/1: amba: Add amba_read_periphid() helper |
||
|
Linus Torvalds
|
95fbef17e8 |
s390 updates for 5.19 merge window
- Make use of the IBM z16 processor activity instrumentation facility to count cryptography operations: add a new PMU device driver so that perf can make use of this. - Add new IBM z16 extended counter set to cpumf support. - Add vdso randomization support. - Add missing KCSAN instrumentation to barriers and spinlocks, which should make s390's KCSAN support complete. - Add support for IPL-complete-control facility: notify the hypervisor that kexec finished work and the kernel starts. - Improve error logging for PCI. - Various small changes to workaround llvm's integrated assembler limitations, and one bug, to make it finally possible to compile the kernel with llvm's integrated assembler. This also requires to raise the minimum clang version to 14.0.0. - Various other small enhancements, bug fixes, and cleanups all over the place. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEECMNfWEw3SLnmiLkZIg7DeRspbsIFAmKLedYACgkQIg7DeRsp bsKDfA//TR/8jyyrNs75VDUPiS0UgMgHfjinQqLa8qwaQxCxA0J31I9nYiDxSfp/ E8hTCLyARnPX0YpcLCEI0ChC6Ad+LElGr6kctdV0FTQopRVreVRKYe2bmrsvXNqs 4OzFNGZ8mnvMMSi1IQ/A7Yq/DZjbEON5VfY3iJv8djyC7qVNDgngdiQxtIJ+3eq/ 77pw3VEgtuI2lVC3O9fEsdqRUyB5UHS3GSknmc8+KuRmOorir0JwMvxQ9xARZJYE 6FbTnSDW1YGI6TBoa/zFberqsldU/qJzo40JmPr27a2qbEmysc8kw60r+cIFsxgC H432/aS9102CnsocaY7CtOvs+TLAK8dYeU31enxUGXnICMJ0MuuqnNnAfHrJziVs ZnK3iUfPmMMewYfSefn8Sk87kJR5ggGePF++44GEqd87lRwZUnC+hd19dNtzzgSx Br4dRYrdQl+w2nqBHGCGW2288svtiPHslnhaQqy343fS9q0o3Mebqx1e9be7t9/K IDFQ00Cd3FS2jhphCbCrq2vJTmByhTQqCiNoEJ6vZK2B3ksrJUotfdwI+5etE2Kj 8sOPwOPyIAI9HnXFVknGIl/u5kaPuHazkZu6u3Or0miVZYw01pov1am0ArcFjeMX /4Js/lI4O/wXvRzVk0rILrAZFDirAHvqqx+aI20cegTQU2C8mHY= =W+1k -----END PGP SIGNATURE----- Merge tag 's390-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Heiko Carstens: - Make use of the IBM z16 processor activity instrumentation facility to count cryptography operations: add a new PMU device driver so that perf can make use of this. - Add new IBM z16 extended counter set to cpumf support. - Add vdso randomization support. - Add missing KCSAN instrumentation to barriers and spinlocks, which should make s390's KCSAN support complete. - Add support for IPL-complete-control facility: notify the hypervisor that kexec finished work and the kernel starts. - Improve error logging for PCI. - Various small changes to workaround llvm's integrated assembler limitations, and one bug, to make it finally possible to compile the kernel with llvm's integrated assembler. This also requires to raise the minimum clang version to 14.0.0. - Various other small enhancements, bug fixes, and cleanups all over the place. * tag 's390-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (48 commits) s390/head: get rid of 31 bit leftovers scripts/min-tool-version.sh: raise minimum clang version to 14.0.0 for s390 s390/boot: do not emit debug info for assembly with llvm's IAS s390/boot: workaround llvm IAS bug s390/purgatory: workaround llvm's IAS limitations s390/entry: workaround llvm's IAS limitations s390/alternatives: remove padding generation code s390/alternatives: provide identical sized orginal/alternative sequences s390/cpumf: add new extended counter set for IBM z16 s390/preempt: disable __preempt_count_add() optimization for PROFILE_ALL_BRANCHES s390/stp: clock_delta should be signed s390/stp: fix todoff size s390/pai: add support for cryptography counters entry: Rename arch_check_user_regs() to arch_enter_from_user_mode() s390/compat: cleanup compat_linux.h header file s390/entry: remove broken and not needed code s390/boot: convert parmarea to C s390/boot: convert initial lowcore to C s390/ptrace: move short psw definitions to ptrace header file s390/head: initialize all new psws ... |
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|
Linus Torvalds
|
67c642e0d9 |
arch/csky patches for 5.19-rc1
This pull request we've done: - Three atomic optimization - Memcpy/memcpy_io optimization - Some coding conventions for Kbuild, removing the warning -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE2KAv+isbWR/viAKHAXH1GYaIxXsFAmKLrCQSHGd1b3JlbkBr ZXJuZWwub3JnAAoJEAFx9RmGiMV7UekP/RZZjUfCjqwf14MEgnw44+ZrdeVuGdIf XSHoeR60wDbKMd2g0wsjNSYw59ybkxz4hkvv+p0yCkniuDA/D7EWesuBUNOzogMs Vf/SHrr5t9dped0sUuvf/4RXwz2jFXFvnPTaYCeaRVhne8vK6GsGJWxZwSDuBBFT ZvcaOJqJ+w6B/HzbxtQOahqcLJ0HCPd/Wk5WrfhhuGxaGhCet0ORwlYvho968peO DPxHmI5j4Y4MO4nRFr/B9Lb9DqOj1s4JMt7fXoMs9MQwgB5QOBrz6jJTnlZ5EiGh z5Mnmil9KxJk/vCs1/F5CFTSWvkB5TGpSJiNeRCcv74g5FeYBMD95HoU0wxlz4w4 ow6nFePMCoNI511+gkfSKnbookpZC5bKfMSRZouM1zZpBR9qpHx/q/s/L1C6j0U2 /g146VjeEAuNisWMxc4XTBu6iTiKeI4JLHpAUryDcIm2u91+Rl6Zgqs42FRF1KWi DkhDqaJWs3lHU7psUht4RfXGcKg5t8NXDFCYglVAzly05QHILVytzfbS18fNf10q Coaj4xVrODWXJs3ByWJ/qSrDs/GntsbKamDeR1hepLr6LU+EaPUsnuL4wYGNneSq pwjlcopbl/xAL9W1127j1nRwLKG8f/3dXpnU/bGG9le1vqwsy9nDzfvH/KZYQE2+ Lwpf493XJVO2 =P11L -----END PGP SIGNATURE----- Merge tag 'csky-for-linus-5.19-rc1' of https://github.com/c-sky/csky-linux Pull arch/csky updates from Guo Ren: - Three atomic optimizations - memcpy/memcpy_io optimization - Some coding conventions for Kbuild, removing warnings * tag 'csky-for-linus-5.19-rc1' of https://github.com/c-sky/csky-linux: csky: Move $(core-y) into arch/csky/Kbuild csky: Remove unused core-y for dts csky: Remove unused $(dtb-y) from boot/Makefile csky: atomic: Add conditional atomic operations' optimization csky: atomic: Add custom atomic.h implementation csky: atomic: Optimize cmpxchg with acquire & release csky: optimize memcpy_{from,to}io() and memset_io() csky: Add C based string functions csky: Fix versioncheck warnings csky: patch_text: Fixup last cpu should be master csky: fix typos in comments |
||
|
Linus Torvalds
|
fdd8f6585c |
m68k updates for v5.19
- Introduce virtual m68k machine based on Android Goldfish devices, - Defconfig updates, - Minor fixes and improvements. -----BEGIN PGP SIGNATURE----- iIsEABYIADMWIQQ9qaHoIs/1I4cXmEiKwlD9ZEnxcAUCYotRMhUcZ2VlcnRAbGlu dXgtbTY4ay5vcmcACgkQisJQ/WRJ8XDFmgD/ZFTY4HashrodaQQLeRnwF1e2fDSY yvpDfaJJf9vJY0kBAM/yflOMfPHeUOe1rLY0twevuZTgDUIv4f+Oi+9jtYUN =ccFr -----END PGP SIGNATURE----- Merge tag 'm68k-for-v5.19-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k updates from Geert Uytterhoeven: - Introduce virtual m68k machine based on Android Goldfish devices - defconfig updates - Minor fixes and improvements * tag 'm68k-for-v5.19-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: atari: Make Atari ROM port I/O write macros return void m68k: math-emu: Fix dependencies of math emulation support m68k: math-emu: Fix typos in comments m68k: Wire up syscall_trace_enter/leave for m68k m68k: defconfig: Update defconfigs for v5.18-rc1 m68k: Introduce a virtual m68k machine clocksource/drivers: Add a goldfish-timer clocksource rtc: goldfish: Use gf_ioread32()/gf_iowrite32() tty: goldfish: Introduce gf_ioread32()/gf_iowrite32() |
||
|
Linus Torvalds
|
17a05c8f1e |
Xtensa updates for v5.19
- support coprocessors on SMP - support KCSAN - support handling protection faults in noMMU configurations - support using coprocessors in the kernel mode - support hibernation - enable context tracking - enable HAVE_VIRT_CPU_ACCOUNTING_GEN - support division by 0 exception on cores without HW division option - clean up locking in the ISS network driver - clean up kernel entry assemly code - various minor fixes -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEK2eFS5jlMn3N6xfYUfnMkfg/oEQFAmKLPAUTHGpjbXZia2Jj QGdtYWlsLmNvbQAKCRBR+cyR+D+gRLG8D/9HqP8hdtc2lJ22/30Le+qEiT2KgZI8 m0Usycbfb8PssRbk05ivCvNAmpIkZyKHKXZ598vNlqzEOXwdKK72n/rH2hLbmLau aD9oHH/XqDJHTpDqZ2Txcb2EV/tgnj1OEkHX3YXPrOPPugz+5zjETJMfhJK3wQjV g/iVqEZcTt+IAOb2Ok3V7Stt1uuhgeroM24b+TgILgfKRS2fZs6MS+j+zTwwYJBP Na3pvG+pyAkevTQagYOmFdywdYABW1P5+jAVNsnxdbMZ0LqI6kOtrqVXxSyai/zh oE4h8yoaT9Tikqwr7v/0Ofo62jxcst0MmOJlOxBsSRT9eSDWYAltVs2/u8PfTLw6 i9FxLFe5JcYMVG6EA/krQEHi1j/QbSz4AC4lWf3PxUwaUiQhk2Lbn8WrXmkd1z2r 2eM97Fpr0oBW6EdU3iaZTXM6oyVivaFbe2FF3/v9Vmi6jj3sRcuCcKBjd5+u90Ae /5uIiwk/a2OfIvtxLxfOQPzplEpzIpP3KYKmMjzQMs/E+UjHZuTXETsevDj3Ywy2 qoe9lazctiTUClrbpTSUnmtL7muO6WrA55HsUOLswaDpYIKW1JA493j5wCNUpBAZ i2kddOXVbZEnkRayC9jRwrdaS+3H5p9Ns6lr6nH7ZLV9S+kd//M+b00DYC++yD3u h8zW7dzUkHHXCA== =vQ/C -----END PGP SIGNATURE----- Merge tag 'xtensa-20220523' of https://github.com/jcmvbkbc/linux-xtensa Pull xtensa architecture updates from Max Filippov: - support coprocessors on SMP - support KCSAN - support handling protection faults in noMMU configurations - support using coprocessors in the kernel mode - support hibernation - enable context tracking - enable HAVE_VIRT_CPU_ACCOUNTING_GEN - support division by 0 exception on cores without HW division option - clean up locking in the ISS network driver - clean up kernel entry assemly code - various minor fixes * tag 'xtensa-20220523' of https://github.com/jcmvbkbc/linux-xtensa: (36 commits) xtensa: Return true/false (not 1/0) from bool function xtensa: improve call0 ABI probing xtensa: support artificial division by 0 exception xtensa: add trap handler for division by zero xtensa/simdisk: fix proc_read_simdisk() xtensa: no need to initialise statics to 0 xtensa: clean up labels in the kernel entry assembly xtensa: don't leave invalid TLB entry in fast_store_prohibited xtensa: fix declaration of _SecondaryResetVector_text_* irqchip: irq-xtensa-mx: fix initial IRQ affinity xtensa: enable ARCH_HAS_DEBUG_VM_PGTABLE xtensa: add hibernation support xtensa: support coprocessors on SMP xtensa: get rid of stack frame in coprocessor_flush xtensa: merge SAVE_CP_REGS_TAB and LOAD_CP_REGS_TAB xtensa: add xtensa_xsr macro xtensa: handle coprocessor exceptions in kernel mode xtensa: use callx0 opcode in fast_coprocessor xtensa: clean up excsave1 initialization xtensa: clean up declarations in coprocessor.h ... |
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Linus Torvalds
|
d613060475 |
xen: branch for v5.19-rc1
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Merge tag 'for-linus-5.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- decouple the PV interface from kernel internals in the Xen
scsifront/scsiback pv drivers
- harden the Xen scsifront PV driver against a malicious backend driver
- simplify Xen PV frontend driver ring page setup
- support Xen setups with multiple domains created at boot time to
tolerate Xenstore coming up late
- two small cleanup patches
* tag 'for-linus-5.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (29 commits)
xen: add support for initializing xenstore later as HVM domain
xen: sync xs_wire.h header with upstream xen
x86: xen: remove STACK_FRAME_NON_STANDARD from xen_cpuid
xen-blk{back,front}: Update contact points for buffer_squeeze_duration_ms and feature_persistent
xen/xenbus: eliminate xenbus_grant_ring()
xen/sndfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/usbfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/scsifront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/pcifront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/drmfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/tpmfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/netfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/blkfront: use xenbus_setup_ring() and xenbus_teardown_ring()
xen/xenbus: add xenbus_setup_ring() service function
xen: update ring.h
xen/shbuf: switch xen-front-pgdir-shbuf to use INVALID_GRANT_REF
xen/dmabuf: switch gntdev-dmabuf to use INVALID_GRANT_REF
xen/sound: switch xen_snd_front to use INVALID_GRANT_REF
xen/drm: switch xen_drm_front to use INVALID_GRANT_REF
xen/usb: switch xen-hcd to use INVALID_GRANT_REF
...
|
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Linus Torvalds
|
8443516da6 |
platform-drivers-x86 for v5.19-1
Highlights:
- New drivers:
- Intel "In Field Scan" (IFS) support
- Winmate FM07/FM07P buttons
- Mellanox SN2201 support
- AMD PMC driver enhancements
- Lots of various other small fixes and hardware-id additions
The following is an automated git shortlog grouped by driver:
Documentation:
- In-Field Scan
Documentation/ABI:
- Add new attributes for mlxreg-io sysfs interfaces
- sysfs-class-firmware-attributes: Misc. cleanups
- sysfs-class-firmware-attributes: Fix Sphinx errors
- sysfs-driver-intel_sdsi: Fix sphinx warnings
acerhdf:
- Cleanup str_starts_with()
amd-pmc:
- Fix build error unused-function
- Shuffle location of amd_pmc_get_smu_version()
- Avoid reading SMU version at probe time
- Move FCH init to first use
- Move SMU logging setup out of init
- Fix compilation without CONFIG_SUSPEND
amd_hsmp:
- Add HSMP protocol version 5 messages
asus-nb-wmi:
- Add keymap for MyASUS key
asus-wmi:
- Update unknown code message
- Use kobj_to_dev()
- Fix driver not binding when fan curve control probe fails
- Potential buffer overflow in asus_wmi_evaluate_method_buf()
barco-p50-gpio:
- Fix duplicate included linux/io.h
dell-laptop:
- Add quirk entry for Latitude 7520
gigabyte-wmi:
- Add support for Z490 AORUS ELITE AC and X570 AORUS ELITE WIFI
- added support for B660 GAMING X DDR4 motherboard
hp-wmi:
- Correct code style related issues
intel-hid:
- fix _DSM function index handling
intel-uncore-freq:
- Prevent driver loading in guests
intel_cht_int33fe:
- Set driver data
platform/mellanox:
- Add support for new SN2201 system
platform/surface:
- aggregator: Fix initialization order when compiling as builtin module
- gpe: Add support for Surface Pro 8
platform/x86/dell:
- add buffer allocation/free functions for SMI calls
platform/x86/intel:
- Fix 'rmmod pmt_telemetry' panic
- pmc/core: Use kobj_to_dev()
- pmc/core: change pmc_lpm_modes to static
platform/x86/intel/ifs:
- Add CPU_SUP_INTEL dependency
- add ABI documentation for IFS
- Add IFS sysfs interface
- Add scan test support
- Authenticate and copy to secured memory
- Check IFS Image sanity
- Read IFS firmware image
- Add stub driver for In-Field Scan
platform/x86/intel/sdsi:
- Fix bug in multi packet reads
- Poll on ready bit for writes
- Handle leaky bucket
platform_data/mlxreg:
- Add field for notification callback
pmc_atom:
- dont export pmc_atom_read - no modular users
- remove unused pmc_atom_write()
samsung-laptop:
- use kobj_to_dev()
- Fix an unsigned comparison which can never be negative
stop_machine:
- Add stop_core_cpuslocked() for per-core operations
think-lmi:
- certificate support clean ups
thinkpad_acpi:
- Correct dual fan probe
- Add a s2idle resume quirk for a number of laptops
- Convert btusb DMI list to quirks
tools/power/x86/intel-speed-select:
- Fix warning for perf_cap.cpu
- Display error on turbo mode disabled
- fix build failure when using -Wl,--as-needed
toshiba_acpi:
- use kobj_to_dev()
trace:
- platform/x86/intel/ifs: Add trace point to track Intel IFS operations
winmate-fm07-keys:
- Winmate FM07/FM07P buttons
wmi:
- replace usage of found with dedicated list iterator variable
x86/microcode/intel:
- Expose collect_cpu_info_early() for IFS
x86/msr-index:
- Define INTEGRITY_CAPABILITIES MSR
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Merge tag 'platform-drivers-x86-v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"This includes some small changes to kernel/stop_machine.c and arch/x86
which are deps of the new Intel IFS support.
Highlights:
- New drivers:
- Intel "In Field Scan" (IFS) support
- Winmate FM07/FM07P buttons
- Mellanox SN2201 support
- AMD PMC driver enhancements
- Lots of various other small fixes and hardware-id additions"
* tag 'platform-drivers-x86-v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (54 commits)
platform/x86/intel/ifs: Add CPU_SUP_INTEL dependency
platform/x86: intel_cht_int33fe: Set driver data
platform/x86: intel-hid: fix _DSM function index handling
platform/x86: toshiba_acpi: use kobj_to_dev()
platform/x86: samsung-laptop: use kobj_to_dev()
platform/x86: gigabyte-wmi: Add support for Z490 AORUS ELITE AC and X570 AORUS ELITE WIFI
tools/power/x86/intel-speed-select: Fix warning for perf_cap.cpu
tools/power/x86/intel-speed-select: Display error on turbo mode disabled
Documentation: In-Field Scan
platform/x86/intel/ifs: add ABI documentation for IFS
trace: platform/x86/intel/ifs: Add trace point to track Intel IFS operations
platform/x86/intel/ifs: Add IFS sysfs interface
platform/x86/intel/ifs: Add scan test support
platform/x86/intel/ifs: Authenticate and copy to secured memory
platform/x86/intel/ifs: Check IFS Image sanity
platform/x86/intel/ifs: Read IFS firmware image
platform/x86/intel/ifs: Add stub driver for In-Field Scan
stop_machine: Add stop_core_cpuslocked() for per-core operations
x86/msr-index: Define INTEGRITY_CAPABILITIES MSR
x86/microcode/intel: Expose collect_cpu_info_early() for IFS
...
|
||
|
Linus Torvalds
|
cfe1cb014b |
A set of patches to prevent crashes in SGX enclaves under heavy memory
pressure: SGX uses normal RAM allocated from special shmem files as backing storage when it runs out of SGX memory (EPC). The code was overly aggressive when freeing shmem pages and was inadvertently freeing perfectly good data. This resulted in failures in the SGX instructions used to swap data back into SGX memory. This turned out to be really hard to trigger in mainline. It was originally encountered testing the out-of-tree "SGX2" patches, but later reproduced on mainline. Fix the data loss by being more careful about truncating pages out of the backing storage and more judiciously setting pages dirty. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEV76QKkVc4xCGURexaDWVMHDJkrAFAmKLqcgACgkQaDWVMHDJ krA7rA//ZgNgOTzCp/jdntz2KSp9MPhwaSJg0MUnsa7wt0T/3sPXaEAu9wgSZod7 xqxH17LKUc27SyALtPrkvm68aVZ/Z0Nhq2gDndspXd/Zcl/CD/Cy+GI+ZpdNoYhz Fuqiq1TrszzzqBksgiEal9S874+jum2uWqYBMHB45ODp+E7F479Zm42hI3dSp1VN 6n5zOi5u+unHgDRQ/rwMovu2XU61ZXrycqkbZvu4P4tRbEUH+EhAMKG2RyZOB2V9 XNqr1vBJ122CWMIxcdzEUEofPFFwVEtC9jK+rdgUW1ZYAPJDjVvcnXx7dpA9PHLb DytBSWyeISllJKbea1pIMsdCT/IE4I3s0US2ZA3Ru7YAMgUIi+IGu++JJ2dWdDvx GoJz6yBVw4r6cl7kLUfbtIUPsJLYkEMpTM4XODsxMwzd2/Jdbe2UfQskzEn9Auvc 1qGRspu/3VbqE5WFz5Npd94+B+8BOo7kKLcizBHqmX8U2PBkMnhRatxDMCu8frfL DlrjosgUgMYQRkEp3Zugo33O8F2EAE0T1I9g7N4sullX0jGnFifjgiPipnWcnIB9 RnF5NHdrTMPwqhvzz+3o1yJgve56juZxESqn1khEIQEqgUtxFaEnrmYzdLlVkoGg XbuY7TNp1hDC3s9OHeiCL2oUaSmyh0eKCokLiAuWowVzbuU69BU= =pTAC -----END PGP SIGNATURE----- Merge tag 'x86_sgx_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 SGX updates from Dave Hansen: "A set of patches to prevent crashes in SGX enclaves under heavy memory pressure: SGX uses normal RAM allocated from special shmem files as backing storage when it runs out of SGX memory (EPC). The code was overly aggressive when freeing shmem pages and was inadvertently freeing perfectly good data. This resulted in failures in the SGX instructions used to swap data back into SGX memory. This turned out to be really hard to trigger in mainline. It was originally encountered testing the out-of-tree "SGX2" patches, but later reproduced on mainline. Fix the data loss by being more careful about truncating pages out of the backing storage and more judiciously setting pages dirty" * tag 'x86_sgx_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/sgx: Ensure no data in PCMD page after truncate x86/sgx: Fix race between reclaimer and page fault handler x86/sgx: Obtain backing storage page with enclave mutex held x86/sgx: Mark PCMD page as dirty when modifying contents x86/sgx: Disconnect backing page references from dirty status |
||
|
Linus Torvalds
|
d6ecaa0024 |
- Get rid of CONFIG_LEGACY_VSYSCALL_EMULATE as nothing should be using it anymore
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||
|
Linus Torvalds
|
88699f8fbf |
- Make CPU vendor dependency explicit against random config build failures
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKL6y0ACgkQEsHwGGHe VUr9Kw//RDFGA9DnzjIdltIjlvdKdhlfzByUIn/tqh+ifN5Ex17rAIc3apy0mSO3 R+Qd2dawByAEluRQsGY5z9JxmJPoydwkNL7dj0tDtec1iCtNM0ddxH4RcIOAbFMK 6hjLFClf+wHRJ5ScdgH97KMy94kMVx+Y/OAfuZc1PvKtGWPUW02a5jFdFiZZpLZ0 3HenPHBcSW0PJFi9kHXtIpGGuunQ3CFWT8VTELqLVO5aoVl2qoxLt3W1IUW5l7Pw lG1zWGno16owIHkc2aprbNfnqhEq0BQdS2WvXqmIyzDCxQUCyPtQdtvyR8LH8vCC 0smerLqSRG/xbwg/PBkP2yFXkTzTBn6pyqUqTabf1Wqv5Qqu0XJp2geqS/an0rTO oZUREMd2+8LKymZZ25qv4IJ0aIk1XV3prQxOcOxALcS1fT0Tol/g93ED9LjxoNcy EZThpgSfO57CvYMdVdrQXhh+aLB3q2smPrPZDQdmqlc/bRUzdSEfmOPcV8acGCBM oh9DCH71RvYrh560jkmo+n4b2kawt8n5bD0KyGQ1gVtsuDbM8kRDr69SBvOHkWwU kwMwwli5eNgK+xG/XLAD4Anlcm5o5070f8xOzldYRK/TeuTjxAP/T5OT8l4Bnkuw nw3BNmymoK7mJt8Exf8KE1Z6Ua94Bh8jirTn4vWxz3UiMenTRz8= =rgib -----END PGP SIGNATURE----- Merge tag 'x86_microcode_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 microcode loader update from Borislav Petkov: - Make CPU vendor dependency explicit against random config build failures * tag 'x86_microcode_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/microcode: Add explicit CPU vendor dependency |
||
|
Linus Torvalds
|
abc8babefb |
- A gargen variety of fixes which don't fit any other tip bucket:
- Remove function export - Correct asm constraint - Fix __setup handlers retval -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKL6VkACgkQEsHwGGHe VUqs6g/+Ikpd4Mrou4P5Ul8QNdN9mEzwUfW6i8VpoA3h1L6mKkZxbUsbSz9xInjw MAhrcevujW6GwdQdus2sUcSlX+jxl6c/IlMdf8RegNPY/JBPDX4dRA7rPetvZEDm ZiIYVTiEzJoOzPDJeO7a3v5EHPsY6CjsCFhGz7hjIcrwQjzCLkL5MqG+WDAtebe+ QVdbllD2RlZNPDyHYE5Lqh1h+Y0e4n6kS7LCWxexfHlNOZ5KBRVyIJvz/xOZFZ1/ 9oX0UDD2gfH5chLs8GKsr7cZYERMtNlKBPoxGzl8iKF4iUeiksdj3P5y+mdcFaDG YbM7aXewmbyLyiCkh1zXU6Mw3lK1VfUtVXtEYj+qXf1jWp59ctNEJkc6/VAcaKh7 oS7MNG7Y44B8XwdH7MiqDE7eVCnqEjIR+BIiwjyXNLFP1AXZMAXuBzXPF/vZ3Gyf 3N5vzO4VNEN6Oa1TReSspKwYvq2uPtHMjLX2rT6Py2ru32mj2dCc5E7GD83RKL8V vDIz4VGOZyGfjp6gClMBsyK4mYwSwgXbnOci7DJn56mMf2qzBJITILXc31zz4gX2 E9kiBu/4Mwjnrx9QRpCNXu7iddBA3YM2NMtNlwBcCgZOFaFz/yOx9TpnugF17WHQ VVtQi8wlcsS+F05Y11b7euusMQyk1EpWabIrw8UQd+61Dwpz58Q= =/WGB -----END PGP SIGNATURE----- Merge tag 'x86_misc_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc x86 updates from Borislav Petkov: "A variety of fixes which don't fit any other tip bucket: - Remove unnecessary function export - Correct asm constraint - Fix __setup handlers retval" * tag 'x86_misc_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: Cleanup the control_va_addr_alignment() __setup handler x86: Fix return value of __setup handlers x86/delay: Fix the wrong asm constraint in delay_loop() x86/amd_nb: Unexport amd_cache_northbridges() |
||
|
Linus Torvalds
|
3e2cbc016b |
- Add Raptor Lake to the set of CPU models which support splitlock
- Make life miserable for apps using split locks by slowing them down considerably while the rest of the system remains responsive. The hope is it will hurt more and people will really fix their misaligned locks apps. As a result, free a TIF bit. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKL5PQACgkQEsHwGGHe VUrz1Q//QjAKyKsAwCzGSPergtnZp9drimSuNsZAz6/xL8wFnn2nfWJTxugNF5jg n0Hal2oUGC8lg13mliB7NuDNu4RUWpkFzTzcIbPT8K9h7CUBdQPzqS7E3/p4s/eG ZCHp8psBGNp8+/+/LFfu9yhzYsAH9ji5KWmOzTVx9UdP3ovgR8BuCI7FCVJSfRz7 cY690XgvcuKoXKckVNaCcoQXPJxykfk4Y1yt1TpITqivFbs2I0vLgzEhoRcTAhPA nX3pR3uy6oaA6rZAapRt8lbLWOwIEWoI0Tt1v+r5p28+nFiCRfm1XdPYK6CDBlox UuMBK4WyvSKjKHLu3wEdLCvYbs1kw2l9pXvS3hrqsKhbdeXKrxrNZ3zshwFMAYap MY/nSTsKSWUUgMgUbWI084csapGFB+hxwY8OVr6JXbxE8YYD/yCbPGOe1cLI7MMt /H3F6vNqSzdp1N3mAaaKVxiiT21lHIn6oJuSZcDE5sOvBwvpXsOp/w3FxhJCOX49 PXrZLZmSHkDQSbh1XnvT/a+rq3XX1TFXFz71HYZf1yDk+xTijECglNtGnGSdj2Za iOw6M8VduV5Wy3ED9ubonruuHEJn6njpx/MH1B9+mAZsuLBpmuYFBxOn6AHOkXSb MVJD4flHXj0ugYm4Q5Y3yi24iWLsRI9utTOU079VL6i6DmFXeZc= =svvI -----END PGP SIGNATURE----- Merge tag 'x86_splitlock_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 splitlock updates from Borislav Petkov: - Add Raptor Lake to the set of CPU models which support splitlock - Make life miserable for apps using split locks by slowing them down considerably while the rest of the system remains responsive. The hope is it will hurt more and people will really fix their misaligned locks apps. As a result, free a TIF bit. * tag 'x86_splitlock_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/split_lock: Enable the split lock feature on Raptor Lake x86/split-lock: Remove unused TIF_SLD bit x86/split_lock: Make life miserable for split lockers |
||
|
Linus Torvalds
|
9166542010 |
- Always do default APIC routing setup so that cpumasks are properly
allocated and are present when later accessed ("nosmp" and x2APIC)
- Clarify the bit overlap between an old APIC and a modern, integrated one
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Merge tag 'x86_apic_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 APIC updates from Borislav Petkov:
- Always do default APIC routing setup so that cpumasks are properly
allocated and are present when later accessed ("nosmp" and x2APIC)
- Clarify the bit overlap between an old APIC and a modern, integrated
one
* tag 'x86_apic_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic: Do apic driver probe for "nosmp" use case
x86/apic: Clarify i82489DX bit overlap in APIC_LVT0
|
||
|
Linus Torvalds
|
e3228a86a3 |
- A single debug message fix
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||
|
Linus Torvalds
|
1abcb10d6e |
- A couple of changes enabling SGI UV5 support
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKL1CkACgkQEsHwGGHe VUpA6Q//QmHDD5GIDkGOjp2BvZfFL/Lb/NqM6k5/1koKbxvWg3zge6w1DH4s2Ai3 U+QmGdHpbVY3Xag7RPru9Kuyh7f3GNPeXIw6JQ78NOAdoEpceSPTAs9r6GzHYLfH n27hsSWrJQT3PLNUr+/ii/fXpypHCzAPpgpr8sYkY+TEYXuInWP18BrVIMBNRVV0 e9IhtkEL3wJh0FN9LtXWcfjzpTNArloFe204rVpzznpUIgHqK39WwhyRp0ppmhhX uK9s2XJTD9DBszYZb/NjsxFAoDoB8MS7fVPmdnAKo2P/SzznVOC5TJQiMI/zCXpX ShhKPJHsbXf//N4HxjbAuAUwYhwBp9nIvruosudZTXiqRwDUxCXRGipsBMQY8l/L dUAgh3fmF4uw5wEZ6PNiKJ0m0VDgSbusZliLr1o//36/ZqyLf4vSx81K7J7p5u2U HkP+GAvtWvNXGAAasiVL+D9wOWwgwXFsI44JrWnuTCCiWWdmAHc52b/PAC3bpxNH f/X2OiA14UzYeV2oO9gznZlM8NFCfekKc/ND/aT3rYrvLqxMJcPg2YHKmgI4U7GO m5Dfl+69iN22QzEQiMIe/s78zfBaPT0dVX+xjFGusR5V4RnKUUZ6D2oOzrIJ6ans nx89vEHnudBF95loYrKlJiZqacUJOxPBZ3Z51CeMWfBBTkiHOHU= =s0mT -----END PGP SIGNATURE----- Merge tag 'x86_platform_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 platform updates from Borislav Petkov: - A couple of changes enabling SGI UV5 support * tag 'x86_platform_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/platform/uv: Log gap hole end size x86/platform/uv: Update TSC sync state for UV5 x86/platform/uv: Update NMI Handler for UV5 |
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Linus Torvalds
|
c415b53ad0 |
- A sparse address space annotation fix
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLxsIACgkQEsHwGGHe VUrm0w//foA+nrqdDxGHEj7xLSdymnqZ5KOfjDQyL8hdMOSVdwdUf1XSwQY8TjD6 7U4gGw0TqBBooVLguKgY6NQz/wiucJ5FuU8uibkESMXfFO5oGPTwRupNAs8tV1T6 Jhs513VWHrT/8g3XYFqVQMo3MmBmtX3tF0kj+FxT9yOHNQphJ6y2c6CbcpLMZt3s MMTaaQh6g65pzi9sW6Gl4iSEhR0COYHEq+zPPFdZOc1vB3xjhyEkz1Fuq/lMR+pr K5tTzaZ9tuelcjw7ZPni+WoyapI092f1EWV6nZQb6EV6bXasM+HBDLFPKen4GhyZ TqWYqaycDqNFiMkrKrXDHpOCNKWWYshwdFTZ6k4+FZSCx+4y2Sjjt4KdUEJW2qee lWBsiqRPNfwkPrg9sMO+3TDt4U28KywsaA6U+oQ+AJn7kLe9dQqNnlzVvajBer32 +1kk2pY8m245ulVE+pcY+mhVlrOyuVpYk8H/7LnRiZAgucrkhHeJXSoW6VUn1G0G MmqLxCQPQ6kF4617m+BXavrUdLV2sotA0xZJ8mG4XNSCMwQ1Ymr2UJM6u3Jrq7SA p6XJQv/1e4NluC2h97N1e6nHxM61JJdFxYG/y+eDidnctH+TU6wIM2TFRXBNCsy3 vqkIimuuV/9PfmMdzdr8o7KX9gmpY4dBeCrOSPlHiA0yaYYdmbY= =0DKB -----END PGP SIGNATURE----- Merge tag 'x86_mm_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 mm fixlet from Borislav Petkov: - A sparse address space annotation fix * tag 'x86_mm_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/fault: Cast an argument to the proper address space in prefetch() |
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Linus Torvalds
|
e36ae2290f |
- Add support for XSAVEC - the Compacted XSTATE saving variant - and
thus allow for guests to use this compacted XSTATE variant when the hypervisor exports that support - A variable shadowing cleanup -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLsPQACgkQEsHwGGHe VUoA7hAAoAP6qWntADHcDcA8QMjX9fvOi3uFjiJyGeiYCRH2rmwAAg8Y0DdI/1UE Wq+7tzTPdyDPulqaEe9PV7f3HRY72cGA/2jdkMxkGG5mGZfVganb0OWgFXecdo6r CIWf9vMOPwULIT4XvcnaWF6fv+1ZbFZOks9NpxZQZTYA3WQhozgfQOWlkoFFSdC/ pIwWFCUOv/pBPWVSeizE/Y6Yfuaix3KiElwk9NMDTPCRhyBd6VmpkpcBer+n3JUA HoppbGLYonZEw1PkMmTlQJuFHKJzqwThGGoVY3FDtlAMD4+vmGt1vXNbLlfvtqup zYHAIG/hqql7Ai9bgXSC2ccYG9v1op+gIFzKTBhI7FkVwEc6R6JtV7uGF7GAr6SL KPnweo9GCoRmnc6Ju0+IuT0JIMXjO3iQIC0J3uLX8gCbsXVM29qdqhkYcLC75vOc sXjAUrdolkDIRXzwkJURTxWT/yeKaN9n8r1s7BCmZ7Pg6zZS3/K1nHQkFTWCjSfA oEy7GmEeI2uFgQX9qpF7NRlNj+D3AxV6W5IURCTI7GsP32e20jhOdU4AyrqsTy2N 8PgUVP9baioUpjY6BKsMc3JiR0ihb0OM3wX9fThu8lu5uHE9Oar+S4OOlFtxPXth kG7pIS0MqB4N6aKWDFxvLvlUVgAxSqSmnWL4rQSP+Ralu9CY4k0= =eDaz -----END PGP SIGNATURE----- Merge tag 'x86_fpu_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fpu updates from Borislav Petkov: - Add support for XSAVEC - the Compacted XSTATE saving variant - and thus allow for guests to use this compacted XSTATE variant when the hypervisor exports that support - A variable shadowing cleanup * tag 'x86_fpu_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/fpu: Cleanup variable shadowing x86/fpu/xsave: Support XSAVEC in the kernel |
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Linus Torvalds
|
de8ac81747 |
- Remove all the code around GS switching on 32-bit now that it is not
needed anymore - Other misc improvements -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLp74ACgkQEsHwGGHe VUpqrhAAgNdNw/vNTTzeOH5ZSNxyIoTQapmrSNev0cXRW4tV2hxuYSa2wPZPJZXx aYhnFxwL7rVy0er7jG/5KaOyzHmrh6PcmqgFdPVo8+yVrfcsPIUqg/4L5peFZh7T ETV2pvFIiB4njkL/pR3mU5uAtTjyO89tD/LclKmc4ndv19vI8maj+k/dCDOnNnEz m4wJMXYWh4bG47/izU5TcTYU7ttTLEiVQ/mC5kEuj7PQeUR0kXKvvLo4rX+lOI2v dQRHgHg/qoNM7uVLd7vV/YdMWwcHchmKG5Y7+a/ogdlwR7a/X9e+lklFSeuxNvyH 8dOHIyzcb6lKTijpqhisZ3o9150ax3Q5FlSWuE3F/9Rcuc1T5eY82kTW2RTOTdV9 xsjob4y+hlpsUfuImupxJLHn685xsYAdqyiG/SPkcnJL++tNBlWiGHX9NqXF5cgw bq4/94Aouxevl0OBxnFBeoQOJvOnf60OY3LHcYR78yEEJyi4iWsC0/TEmD+9IE+r EpC1wz9bHCYbSwZ+yv8u2tNPd/rKxdspPL/6SxT9a+WAVrOZbQAN3VmlOIon6W9O bW5ye6suqBbl/Q1FACVU1xxSNjLTJUTFsB1X3QKGm8E+Kr7/zD1ZtT0WQNvyLMfT p/I4VRcdIxV3eDiYqeTfJ3sTS7IjKHSaZVBnpkZvRh869mMdqCg= =CfX1 -----END PGP SIGNATURE----- Merge tag 'x86_core_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core x86 updates from Borislav Petkov: - Remove all the code around GS switching on 32-bit now that it is not needed anymore - Other misc improvements * tag 'x86_core_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: bug: Use normal relative pointers in 'struct bug_entry' x86/nmi: Make register_nmi_handler() more robust x86/asm: Merge load_gs_index() x86/32: Remove lazy GS macros ELF: Remove elf_core_copy_kernel_regs() x86/32: Simplify ELF_CORE_COPY_REGS |
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Linus Torvalds
|
a13dc4d409 |
- Serious sanitization and cleanup of the whole APERF/MPERF and
frequency invariance code along with removing the need for unnecessary IPIs - Finally remove a.out support - The usual trivial cleanups and fixes all over x86 -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLn48ACgkQEsHwGGHe VUpbkg/+PELrc0y/qxLM/+dyftKYY16Rhk6ZVAXfwqlh5ldyVQcLMUgKwDqYyTn2 XmgdI3cTcFlH2K7j6ANWLu0I9NPaviimUcEdMVcXt7aY5mGWk/q4hIyCYM8d41sV qKx4OjNSdyoofG6MtwFLJDuoeVg99Bqgvm4nP9BuxL0dZJ2hfcUZ7MTxYCx9ZYjK /3trx0NV287Yg/wm91EU0nLQzy9xbGS7WCmMnse6uxiUdm2vXbBt8oNFF4f747Dj 0cArfNrMgYq4Cv5bgt/Ki0NU/n4EOGDpJUSyQwlnjDKeN81ESPy7IWtTQ6cE/rJK BZeUIPiGiYHwtqXv0UTAPGLG8cAqKeab8u0xAOyrFVDkTc0+WlPJRsUAOmRRGIGE M8ZjoxrLeuFgxw6vKpVjaA+mDRj3qEpSH+IrTcekS98PN7gmVzvq03GobgGbT7YB xmtbThJa+514FfUVckkyC0+A56BknUIgVxwFPqrthE2atzYTbH67hW4U0yVWXXr7 2VI7ttozBrYVgHCWhD9eoT0uhyD74Vl6pqHnqzY9ShIfKVUGvMgKHHg04nLLtF7W hm87xV3Q5UEmXhTmDzT1rUZ99mBUxGbWxk227I9raMugIh7pp9wIr57+7O0LRYfX TdnE2+tL8RMi7+XzRH5iLhnwkrvahBESeHSQ7GVI1Y2zMmmFN+0= =Dks/ -----END PGP SIGNATURE----- Merge tag 'x86_cleanups_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cleanups from Borislav Petkov: - Serious sanitization and cleanup of the whole APERF/MPERF and frequency invariance code along with removing the need for unnecessary IPIs - Finally remove a.out support - The usual trivial cleanups and fixes all over x86 * tag 'x86_cleanups_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits) x86: Remove empty files x86/speculation: Add missing srbds=off to the mitigations= help text x86/prctl: Remove pointless task argument x86/aperfperf: Make it correct on 32bit and UP kernels x86/aperfmperf: Integrate the fallback code from show_cpuinfo() x86/aperfmperf: Replace arch_freq_get_on_cpu() x86/aperfmperf: Replace aperfmperf_get_khz() x86/aperfmperf: Store aperf/mperf data for cpu frequency reads x86/aperfmperf: Make parts of the frequency invariance code unconditional x86/aperfmperf: Restructure arch_scale_freq_tick() x86/aperfmperf: Put frequency invariance aperf/mperf data into a struct x86/aperfmperf: Untangle Intel and AMD frequency invariance init x86/aperfmperf: Separate AP/BP frequency invariance init x86/smp: Move APERF/MPERF code where it belongs x86/aperfmperf: Dont wake idle CPUs in arch_freq_get_on_cpu() x86/process: Fix kernel-doc warning due to a changed function name x86: Remove a.out support x86/mm: Replace nodes_weight() with nodes_empty() where appropriate x86: Replace cpumask_weight() with cpumask_empty() where appropriate x86/pkeys: Remove __arch_set_user_pkey_access() declaration ... |
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Linus Torvalds
|
1de564b8c1 |
- Add a "make x86_debug.config" target which enables a bunch of useful
config debug options when trying to debug an issue - A gcc12 build warnings fix -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLfcsACgkQEsHwGGHe VUqfPQ/+JAQ1UxXFNWqr0LEYwo58d5p4QSGrHrNfzOtoxQfuK6aYnpOicKcjmKyo HZAujMzlby8nworbNDo/wGBBFqCsJ8pj9v30BdClbGT671wN25y9WmK367RLtRam dk+nOpTvIWbydDXP6tuOdqPpFdT+XPljVxLuO215kOAZmQtqmQ2cOrVprbn/OMoo qqFZXjpazpoQButHBh8sI2nl5Y06JCZX5S5FRFTH+tfzfcEKXcbO2yOksU+L7oUc TyfJmtytT1O/uschAH0lNExIBQKUUtnXzzLNRE+ix9k9RTFQAOKNPrFTWqeJPEZe ZLuXZgBjdLO6IEgtaKFlpQml3uM5DSr3A6nBg9h+6xbwL1+GujoY3nblqD8W59wK GUjUmKC2xRXSLEpRGCVnDmYIOIzYWlw04DSNNApij8/H2mzm/noCAQmEgfy7dh6n N4duLyliqWl0bZQlhou19Hw9yGNqphVMRWCYRsEt+NQVqmpcOvM4A9r9RlaJoGaA bgk4sUCmO2bQ3PHfcv+833+GCCpobutYOsWQw7tborPsOh4p9GN/9IdxaCCqpChW ddXkKSTGezeUB+pe7Cixfkb5tHcQAVzCeHIFrsYho8gesiL/LXKJX8hQuo10cmVa qOSJAvlTBeW84+mK93kKfcig/iiyZfDkXEq0SJ8oeD1idNDaRUY= =oO1t -----END PGP SIGNATURE----- Merge tag 'x86_build_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 build updates from Borislav Petkov: - Add a "make x86_debug.config" target which enables a bunch of useful config debug options when trying to debug an issue - A gcc-12 build warnings fix * tag 'x86_build_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/boot: Wrap literal addresses in absolute_pointer() x86/configs: Add x86 debugging Kconfig fragment plus docs |
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Linus Torvalds
|
42b682a30f |
- A bunch of changes towards streamlining low level asm helpers' calling
conventions so that former can be converted to C eventually - Simplify PUSH_AND_CLEAR_REGS so that it can be used at the system call entry paths instead of having opencoded, slightly different variants of it everywhere - Misc other fixes -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLeQEACgkQEsHwGGHe VUqFqQ/6AkVfWa9EMnmOcFcUYHjK7srsv7kzppc2P6ly98QOJFsCYagPRHVHXGZF k4Dezk29j2d4AjVdGot/CpTlRezSe0dmPxTcH5QD+SpiJ8bSgMrnH/0La+No0ypi VabOZgQaHWIUboccpE77oIRdglun/ZnePN3gRdBRtQWgmeQZVWxD6ly6L1Ptp1Lk nBXVMpH2h5agLjulsw7j7PihrbM6RFf3qSw4GkaQAAxooxb2i7qb05sG347lm72l 3ppsHtP80MKCmJpe20O+V+O4Hvq1/XJ18Tin6p1bhqSe0PW2pS5QUN7ziF/5orvH 9p8PVWrrH6kTaK1NJilGYG4eIeyuWhSVnObgFqbe7RIITy5eCYXyaq5PLqVahWFD qk1+Z3nsS6g6BLu10dFACnPq7O+6tVEWsoOZ2D4XJAV/zThbEwE75E4rW6x07gnm s0BzXgtzb0s35L46jzTctc9RtdCRFjZmD+iHXSqjEfH/dyS1tsvXX6z5wBTb5qn3 FQE3sVtZs0e5yIFAfp19hzmweY/Mgu9b1p+IfkhQhInrLyJNwUVsMkpH1WFdkL5/ RZWtURuYO7lE6Iw1wwZPL691A7hx+1cE9YWuEBH2Il6byJa4UWP4azXCx1nbMFKk E5ZDKL3iRsDPVI+k+D6NwBN19ih2LAmT2Mxcg1EOV434LLlkHsk= =P80f -----END PGP SIGNATURE----- Merge tag 'x86_asm_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 asm updates from Borislav Petkov: - A bunch of changes towards streamlining low level asm helpers' calling conventions so that former can be converted to C eventually - Simplify PUSH_AND_CLEAR_REGS so that it can be used at the system call entry paths instead of having opencoded, slightly different variants of it everywhere - Misc other fixes * tag 'x86_asm_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/entry: Fix register corruption in compat syscall objtool: Fix STACK_FRAME_NON_STANDARD reloc type linkage: Fix issue with missing symbol size x86/entry: Remove skip_r11rcx x86/entry: Use PUSH_AND_CLEAR_REGS for compat x86/entry: Simplify entry_INT80_compat() x86/mm: Simplify RESERVE_BRK() x86/entry: Convert SWAPGS to swapgs and remove the definition of SWAPGS x86/entry: Don't call error_entry() for XENPV x86/entry: Move CLD to the start of the idtentry macro x86/entry: Move PUSH_AND_CLEAR_REGS out of error_entry() x86/entry: Switch the stack after error_entry() returns x86/traps: Use pt_regs directly in fixup_bad_iret() |
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Linus Torvalds
|
c5a3d3c01e |
- Remove a bunch of chicken bit options to turn off CPU features which
are not really needed anymore - Misc fixes and cleanups -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLdfgACgkQEsHwGGHe VUpB5Q//TIGVgmnSd0YYxY2cIe047lfcd34D+3oEGk0d2FidtirP/tjgBqIXRuY5 UncoveqBuI/6/7bodP/ANg9DNVXv2489eFYyZtEOLSGnfzV2AU10aw95cuQQG+BW YIc6bGSsgfiNo8Vtj4L3xkVqxOrqaCYnh74GTSNNANht3i8KH8Qq9n3qZTuMiF6R fH9xWak3TZB2nMzHdYrXh0sSR6eBHN3KYSiT0DsdlU9PUlavlSPFYQRiAlr6FL6J BuYQdlUaCQbINvaviGW4SG7fhX32RfF/GUNaBajB40TO6H98KZLpBBvstWQ841xd /o44o5wbghoGP1ne8OKwP+SaAV2bE6twd5eO1lpwcpXnQfATvjQ2imxvOiRhy5LY pFPt/hko9gKWJ6SI0SQ4tiKJALFPLWD6561scHU6PoriFhv0SRIaPmJyEsDYynMz bCXaPPsoovRwwwBfAxxQjljIlhQSBVt3gWZ8NWD1tYbNaqM+WK7xKBaONGh3OCw3 iK7lsbbljtM0zmANImYyeo7+Hr1NVOmMiK2WZYbxhxgzH3l8v/6EbDt3I70WU57V 9apCU3/nk/HFpX65SdW5qmuiWLVdH9NXrEqbvaUB4ApT18MdUUugewBhcGnf3Umu wEtltzziqcIkxzDoXXpBGWpX31S7PsM2XVDqYC7dwuNttgEw2Fc= =7AUX -----END PGP SIGNATURE----- Merge tag 'x86_cpu_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 CPU feature updates from Borislav Petkov: - Remove a bunch of chicken bit options to turn off CPU features which are not really needed anymore - Misc fixes and cleanups * tag 'x86_cpu_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/speculation: Add missing prototype for unpriv_ebpf_notify() x86/pm: Fix false positive kmemleak report in msr_build_context() x86/speculation/srbds: Do not try to turn mitigation off when not supported x86/cpu: Remove "noclflush" x86/cpu: Remove "noexec" x86/cpu: Remove "nosmep" x86/cpu: Remove CONFIG_X86_SMAP and "nosmap" x86/cpu: Remove "nosep" x86/cpu: Allow feature bit names from /proc/cpuinfo in clearcpuid= |
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Linus Torvalds
|
3a755ebcc2 |
Intel Trust Domain Extensions
This is the Intel version of a confidential computing solution called Trust Domain Extensions (TDX). This series adds support to run the kernel as part of a TDX guest. It provides similar guest protections to AMD's SEV-SNP like guest memory and register state encryption, memory integrity protection and a lot more. Design-wise, it differs from AMD's solution considerably: it uses a software module which runs in a special CPU mode called (Secure Arbitration Mode) SEAM. As the name suggests, this module serves as sort of an arbiter which the confidential guest calls for services it needs during its lifetime. Just like AMD's SNP set, this series reworks and streamlines certain parts of x86 arch code so that this feature can be properly accomodated. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLbisACgkQEsHwGGHe VUqZLg/7B55iygCwzz0W/KLcXL2cISatUpzGbFs1XTbE9DMz06BPkOsEjF2k8ckv kfZjgqhSx3GvUI80gK0Tn2M2DfIj3nKuNSXd1pfextP7AxEf68FFJsQz1Ju7bHpT pZaG+g8IK4+mnEHEKTCO9ANg/Zw8yqJLdtsCaCNE9SUGUfQ6m/ujTEfsambXDHNm khyCAgpIGSOt51/4apoR9ebyrNCaeVbDawpIPjTy+iyFRc/WyaLFV9CQ8klw4gbw r/90x2JYxvAf0/z/ifT9Wa+TnYiQ0d4VjFbfr0iJ4GcPn5L3EIoIKPE8vPGMpoSX fLSzoNmAOT3ja57ytUUQ3o0edoRUIPEdixOebf9qWvE/aj7W37YRzrlJ8Ej/x9Jy HcI4WZF6Dr1bh6FnI/xX2eVZRzLOL4j9gNyPCwIbvgr1NjDqQnxU7nhxVMmQhJrs IdiEcP5WYerLKfka/uF//QfWUg5mDBgFa1/3xK57Z3j0iKWmgjaPpR0SWlOKjj8G tr0gGN9ejikZTqXKGsHn8fv/R3bjXvbVD8z0IEcx+MIrRmZPnX2QBlg7UA1AXV5n HoVwPFdH1QAtjZq1MRcL4hTOjz3FkS68rg7ZH0f2GWJAzWmEGytBIhECRnN/PFFq VwRB4dCCt0bzqRxkiH5lzdgR+xqRe61juQQsMzg+Flv/trpXDqM= =ac9K -----END PGP SIGNATURE----- Merge tag 'x86_tdx_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull Intel TDX support from Borislav Petkov: "Intel Trust Domain Extensions (TDX) support. This is the Intel version of a confidential computing solution called Trust Domain Extensions (TDX). This series adds support to run the kernel as part of a TDX guest. It provides similar guest protections to AMD's SEV-SNP like guest memory and register state encryption, memory integrity protection and a lot more. Design-wise, it differs from AMD's solution considerably: it uses a software module which runs in a special CPU mode called (Secure Arbitration Mode) SEAM. As the name suggests, this module serves as sort of an arbiter which the confidential guest calls for services it needs during its lifetime. Just like AMD's SNP set, this series reworks and streamlines certain parts of x86 arch code so that this feature can be properly accomodated" * tag 'x86_tdx_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits) x86/tdx: Fix RETs in TDX asm x86/tdx: Annotate a noreturn function x86/mm: Fix spacing within memory encryption features message x86/kaslr: Fix build warning in KASLR code in boot stub Documentation/x86: Document TDX kernel architecture ACPICA: Avoid cache flush inside virtual machines x86/tdx/ioapic: Add shared bit for IOAPIC base address x86/mm: Make DMA memory shared for TD guest x86/mm/cpa: Add support for TDX shared memory x86/tdx: Make pages shared in ioremap() x86/topology: Disable CPU online/offline control for TDX guests x86/boot: Avoid #VE during boot for TDX platforms x86/boot: Set CR0.NE early and keep it set during the boot x86/acpi/x86/boot: Add multiprocessor wake-up support x86/boot: Add a trampoline for booting APs via firmware handoff x86/tdx: Wire up KVM hypercalls x86/tdx: Port I/O: Add early boot support x86/tdx: Port I/O: Add runtime hypercalls x86/boot: Port I/O: Add decompression-time support for TDX x86/boot: Port I/O: Allow to hook up alternative helpers ... |
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|
Linus Torvalds
|
5b828263b1 |
- Simplification of the AMD MCE error severity grading logic along with
supplying critical panic MCEs with accompanying error messages for more human-friendly diagnostics. - Misc fixes -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLbJgACgkQEsHwGGHe VUo89g/9EqngFLfPKkC17B0y85UttGjzIvUCn+ywWWhZdpjoLP3/PZ3rlYX8xwX8 cUt/4L9eHGCj46KLw24PajXpaBlcyhqYuNOw7VUSmMiTRV5Qnd1d3QAwPLXDiQVj n43BAz4dbBHtcQwd6B28UU4mQxqitlDM3UK9cjcCxPysNwL7pdixhty+egU5yZWo wpu+qF4Bah1+DyJMu/vgGy8SD6lCOZgehXmQVPI3G8eBDbitIndu+rFtKNEFewOe TjDHxDIBIBhtS+xrDApDdYgSPocQ6CvtC4VVMZqY3aFP8tZ6EAhJS6m2ZxCWVax5 po1SbqzzUlcVNHFK/xkC6Qpc4ukQSh5Vg1t6BddEnL0FvtPmfHkg+J2KUqEUyWKt EPVgo3WBFizrfAAZhkuyGn4nmWYFEEZZ3VM1C/cuBLt7Gstgeoh+k9ALiJys2B4y RTlbEuPDh1sOH6UOi2uq41YwpVHun+zD575RnJbXYNVEW9NpAVISpd9Q6LD7wZkx FdTOrTq32jh+8q+opLYvFw0Ch3y4YQwo8BLqxBLrfNucjUUIpF2RLpHXsziVdFjz Eq5xEV7co7oeZmPbzs0R4jg638ieiUnBaxYB/6o3OiYCG68+9l5rXTW5Ieq3MqGe 76i4oXZllLDlPbGz9tOUwxKHY5wVLl2BwfKuNWYA4sSV3AEZOxs= =h4y+ -----END PGP SIGNATURE----- Merge tag 'ras_core_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 RAS updates from Borislav Petkov: - Simplification of the AMD MCE error severity grading logic along with supplying critical panic MCEs with accompanying error messages for more human-friendly diagnostics. - Misc fixes * tag 'ras_core_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mce: Add messages for panic errors in AMD's MCE grading x86/mce: Simplify AMD severity grading logic x86/MCE/AMD: Fix memory leak when threshold_create_bank() fails x86/mce: Avoid unnecessary padding in struct mce_bank |
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Linus Torvalds
|
eb39e37d5c |
AMD SEV-SNP support
Add to confidential guests the necessary memory integrity protection against malicious hypervisor-based attacks like data replay, memory remapping and others, thus achieving a stronger isolation from the hypervisor. At the core of the functionality is a new structure called a reverse map table (RMP) with which the guest has a say in which pages get assigned to it and gets notified when a page which it owns, gets accessed/modified under the covers so that the guest can take an appropriate action. In addition, add support for the whole machinery needed to launch a SNP guest, details of which is properly explained in each patch. And last but not least, the series refactors and improves parts of the previous SEV support so that the new code is accomodated properly and not just bolted on. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLU2AACgkQEsHwGGHe VUpb/Q//f4LGiJf4nw1flzpe90uIsHNwAafng3NOjeXmhI/EcOlqPf23WHPCgg3Z 2umfa4sRZyj4aZubDd7tYAoq4qWrQ7pO7viWCNTh0InxBAILOoMPMuq2jSAbq0zV ASUJXeQ2bqjYxX4JV4N5f3HT2l+k68M0mpGLN0H+O+LV9pFS7dz7Jnsg+gW4ZP25 PMPLf6FNzO/1tU1aoYu80YDP1ne4eReLrNzA7Y/rx+S2NAetNwPn21AALVgoD4Nu vFdKh4MHgtVbwaQuh0csb/+4vD+tDXAhc8lbIl+Abl9ZxJaDWtAJW5D9e2CnsHk1 NOkHwnrzizzhtGK1g56YPUVRFAWhZYMOI1hR0zGPLQaVqBnN4b+iahPeRiV0XnGE PSbIHSfJdeiCkvLMCdIAmpE5mRshhRSUfl1CXTCdetMn8xV/qz/vG6bXssf8yhTV cfLGPHU7gfVmsbR9nk5a8KZ78PaytxOxfIDXvCy8JfQwlIWtieaCcjncrj+sdMJy 0fdOuwvi4jma0cyYuPolKiS1Hn4ldeibvxXT7CZQlIx6jZShMbpfpTTJs11XdtHm PdDAc1TY3AqI33mpy9DhDQmx/+EhOGxY3HNLT7evRhv4CfdQeK3cPVUWgo4bGNVv ZnFz7nvmwpyufltW9K8mhEZV267174jXGl6/idxybnlVE7ESr2Y= =Y8kW -----END PGP SIGNATURE----- Merge tag 'x86_sev_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull AMD SEV-SNP support from Borislav Petkov: "The third AMD confidential computing feature called Secure Nested Paging. Add to confidential guests the necessary memory integrity protection against malicious hypervisor-based attacks like data replay, memory remapping and others, thus achieving a stronger isolation from the hypervisor. At the core of the functionality is a new structure called a reverse map table (RMP) with which the guest has a say in which pages get assigned to it and gets notified when a page which it owns, gets accessed/modified under the covers so that the guest can take an appropriate action. In addition, add support for the whole machinery needed to launch a SNP guest, details of which is properly explained in each patch. And last but not least, the series refactors and improves parts of the previous SEV support so that the new code is accomodated properly and not just bolted on" * tag 'x86_sev_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (60 commits) x86/entry: Fixup objtool/ibt validation x86/sev: Mark the code returning to user space as syscall gap x86/sev: Annotate stack change in the #VC handler x86/sev: Remove duplicated assignment to variable info x86/sev: Fix address space sparse warning x86/sev: Get the AP jump table address from secrets page x86/sev: Add missing __init annotations to SEV init routines virt: sevguest: Rename the sevguest dir and files to sev-guest virt: sevguest: Change driver name to reflect generic SEV support x86/boot: Put globals that are accessed early into the .data section x86/boot: Add an efi.h header for the decompressor virt: sevguest: Fix bool function returning negative value virt: sevguest: Fix return value check in alloc_shared_pages() x86/sev-es: Replace open-coded hlt-loop with sev_es_terminate() virt: sevguest: Add documentation for SEV-SNP CPUID Enforcement virt: sevguest: Add support to get extended report virt: sevguest: Add support to derive key virt: Add SEV-SNP guest driver x86/sev: Register SEV-SNP guest request platform device x86/sev: Provide support for SNP guest request NAEs ... |
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Linus Torvalds
|
0be3ff0ccb |
- Switch ghes_edac to use the CPER error reporting routines and simplify
the code considerably this way - Rip out the silly edac_align_ptr() contraption which was computing the size of the private structures of each driver and thus allowing for a one-shot memory allocation. This was clearly unnecessary and confusing so switch to simple and boring kmalloc* calls. - Last but not least, the usual garden variety of fixes, cleanups and improvements all over EDAC land -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmKLRJkACgkQEsHwGGHe VUorYQ//a3s/j1wIXB5J0q7c9xlumqhxJz9P2A42kZMEW6MR94Ovr2lDnN6FRN5z dlLLn/fxjh3El084jaKrfhHHyB0Z78Qte/Caf4E3HVuhmZ2dQw58vXAm3TNMsiPz DEnJrRJ/vuX/VEcuuvX9wwSovPqNINW4lb9cWcIfGPToX051coUvuxTQXmCO80Hd 2syv88S0a8tw94E6DeB+5hhAQdgdV2dK3rZChTNi1guDqHqv14E6oQowWe6+Dvq/ XGBbJtmjuWsh2ZtS1KDnGYO0jvzLxe/5kjdgXYUoftG30MVTkVV0pBk0G+lPQQBN 2nSLd9zEgSceB5SlNlfWtQQuL1I56q3chxT7mj5JBPRsqQmV6Rxg9E0jnyiUH6Cf Q9btDizjU7vUpDKe1Y8fJEMR3nXTIK58AnjcDmTZIu5hVZFY2nYnql0txClmkTUE Bffud97C7a8uiSECp6oS5vjQHK12xwqiD8KRIaAHlBDYnpqTOJw/mDoKUvV74yiJ TRvvPAiPgoA5ZLLkCFKxA7IzFXtgz9HL7m/MbbBo63ed187qvMyBxcyb8Teih/iy u6eK0W1fux+zEaS6q5Jp0v415aqVvoa0UHgImTlOJhBaWENlEQixHslFMaqnlDTV yhG405KxxMgW9/L9nI4kqP827zIr4iXJCVg3rJsOdytEzfwWy2o= =Hwmn -----END PGP SIGNATURE----- Merge tag 'edac_updates_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull EDAC updates from Borislav Petkov: - Switch ghes_edac to use the CPER error reporting routines and simplify the code considerably this way - Rip out the silly edac_align_ptr() contraption which was computing the size of the private structures of each driver and thus allowing for a one-shot memory allocation. This was clearly unnecessary and confusing so switch to simple and boring kmalloc* calls. - Last but not least, the usual garden variety of fixes, cleanups and improvements all over EDAC land * tag 'edac_updates_for_v5.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/xgene: Fix typo processsors -> processors EDAC/i5100: Remove unused inline function i5100_nrecmema_dm_buf_id() EDAC: Use kcalloc() EDAC/ghes: Change ghes_hw from global to static EDAC/armada_xp: Use devm_platform_ioremap_resource() EDAC/synopsys: Add a SPDX identifier EDAC/synopsys: Add driver support for i.MX platforms EDAC/dmc520: Don't print an error for each unconfigured interrupt line EDAC/mc: Get rid of edac_align_ptr() EDAC/device: Sanitize edac_device_alloc_ctl_info() definition EDAC/device: Get rid of the silly one-shot memory allocation in edac_device_alloc_ctl_info() EDAC/pci: Get rid of the silly one-shot memory allocation in edac_pci_alloc_ctl_info() EDAC/mc: Get rid of silly one-shot struct allocation in edac_mc_alloc() efi/cper: Reformat CPER memory error location to more readable EDAC/ghes: Unify CPER memory error location reporting efi/cper: Add a cper_mem_err_status_str() to decode error description powerpc/85xx: Remove fsl,85... bindings |
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|
Linus Torvalds
|
03e1ccd45f |
Updates for X86 PCI interrupt routing:
- Cleanup and robustify the PCI interrupt routing table handling
including proper range checks
- Add support for Intel 82378ZB/82379AB, SiS85C497 PIRQ routers
- Fix the ALi M1487 router handling
- Handle the IRT routing table format in AMI BIOSes correctly
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Merge tag 'x86-irq-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 PCI irq routing updates from Thomas Gleixner:
- Cleanup and robustify the PCI interrupt routing table handling
including proper range checks
- Add support for Intel 82378ZB/82379AB, SiS85C497 PIRQ routers
- Fix the ALi M1487 router handling
- Handle the IRT routing table format in AMI BIOSes correctly
* tag 'x86-irq-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/PCI: Fix coding style in PIRQ table verification
x86/PCI: Fix ALi M1487 (IBC) PIRQ router link value interpretation
x86/PCI: Add $IRT PIRQ routing table support
x86/PCI: Handle PIRQ routing tables with no router device given
x86/PCI: Add PIRQ routing table range checks
x86/PCI: Add support for the SiS85C497 PIRQ router
x86/PCI: Disambiguate SiS85C503 PIRQ router code entities
x86/PCI: Handle IRQ swizzling with PIRQ routers
x86/PCI: Also match function number in $PIR table
x86/PCI: Include function number in $PIR table dump
x86/PCI: Show the physical address of the $PIR table
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|
Linus Torvalds
|
6e01f86fb2 |
Updates for timers and timekeeping core code:
- Expose CLOCK_TAI to instrumentation to aid with TSN debugging.
- Ensure that the clockevent is stopped when there is no timer armed to
avoid pointless wakeups.
- Make the sched clock frequency handling and rounding consistent.
- Provide a better debugobject hint for delayed works. The timer callback
is always the same, which makes it difficult to identify the underlying
work. Use the work function as a hint instead.
- Move the timer specific sysctl code into the timer subsystem.
- The usual set of improvements and cleanups
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Merge tag 'timers-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer and timekeeping updates from Thomas Gleixner:
- Expose CLOCK_TAI to instrumentation to aid with TSN debugging.
- Ensure that the clockevent is stopped when there is no timer armed to
avoid pointless wakeups.
- Make the sched clock frequency handling and rounding consistent.
- Provide a better debugobject hint for delayed works. The timer
callback is always the same, which makes it difficult to identify the
underlying work. Use the work function as a hint instead.
- Move the timer specific sysctl code into the timer subsystem.
- The usual set of improvements and cleanups
* tag 'timers-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers: Provide a better debugobjects hint for delayed works
time/sched_clock: Fix formatting of frequency reporting code
time/sched_clock: Use Hz as the unit for clock rate reporting below 4kHz
time/sched_clock: Round the frequency reported to nearest rather than down
timekeeping: Consolidate fast timekeeper
timekeeping: Annotate ktime_get_boot_fast_ns() with data_race()
timers/nohz: Switch to ONESHOT_STOPPED in the low-res handler when the tick is stopped
timekeeping: Introduce fast accessor to clock tai
tracing/timer: Add missing argument documentation of trace points
clocksource: Replace cpumask_weight() with cpumask_empty()
timers: Move timer sysctl into the timer code
clockevents: Use dedicated list iterator variable
timers: Simplify calc_index()
timers: Initialize base::next_expiry_recalc in timers_prepare_cpu()
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|
Linus Torvalds
|
fcfde8a7cf |
Updates for interrupt core and drivers:
Core code:
- Make the managed interrupts more robust by shutting them down in the
core code when the assigned affinity mask does not contain online
CPUs.
- Make the irq simulator chip work on RT
- A small set of cpumask and power manageent cleanups
Drivers:
- A set of changes which mark GPIO interrupt chips immutable to prevent
the GPIO subsystem from modifying it under the hood. This provides
the necessary infrastructure and converts a set of GPIO and pinctrl
drivers over.
- A set of changes to make the pseudo-NMI handling for GICv3 more
robust: a missing barrier and consistent handling of the priority
mask.
- Another set of GICv3 improvements and fixes, but nothing outstanding
- The usual set of improvements and cleanups all over the place
- No new irqchip drivers and not even a new device tree binding!
100+ interrupt chips are truly enough.
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Merge tag 'irq-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt handling updates from Thomas Gleixner:
"Core code:
- Make the managed interrupts more robust by shutting them down in
the core code when the assigned affinity mask does not contain
online CPUs.
- Make the irq simulator chip work on RT
- A small set of cpumask and power manageent cleanups
Drivers:
- A set of changes which mark GPIO interrupt chips immutable to
prevent the GPIO subsystem from modifying it under the hood. This
provides the necessary infrastructure and converts a set of GPIO
and pinctrl drivers over.
- A set of changes to make the pseudo-NMI handling for GICv3 more
robust: a missing barrier and consistent handling of the priority
mask.
- Another set of GICv3 improvements and fixes, but nothing
outstanding
- The usual set of improvements and cleanups all over the place
- No new irqchip drivers and not even a new device tree binding!
100+ interrupt chips are truly enough"
* tag 'irq-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits)
irqchip: Add Kconfig symbols for sunxi drivers
irqchip/gic-v3: Fix priority mask handling
irqchip/gic-v3: Refactor ISB + EOIR at ack time
irqchip/gic-v3: Ensure pseudo-NMIs have an ISB between ack and handling
genirq/irq_sim: Make the irq_work always run in hard irq context
irqchip/armada-370-xp: Do not touch Performance Counter Overflow on A375, A38x, A39x
irqchip/gic: Improved warning about incorrect type
irqchip/csky: Return true/false (not 1/0) from bool functions
irqchip/imx-irqsteer: Add runtime PM support
irqchip/imx-irqsteer: Constify irq_chip struct
irqchip/armada-370-xp: Enable MSI affinity configuration
irqchip/aspeed-scu-ic: Fix irq_of_parse_and_map() return value
irqchip/aspeed-i2c-ic: Fix irq_of_parse_and_map() return value
irqchip/sun6i-r: Use NULL for chip_data
irqchip/xtensa-mx: Fix initial IRQ affinity in non-SMP setup
irqchip/exiu: Fix acknowledgment of edge triggered interrupts
irqchip/gic-v3: Claim iomem resources
dt-bindings: interrupt-controller: arm,gic-v3: Make the v2 compat requirements explicit
irqchip/gic-v3: Relax polling of GIC{R,D}_CTLR.RWP
irqchip/gic-v3: Detect LPI invalidation MMIO registers
...
|
||
|
Linus Torvalds
|
28c8f9fe94 |
Updates for CPU hotplug:
- Initialize the per CPU structures during early boot so that the state
is consistent from the very beginning.
- Make the virtualization hotplug state handling more robust and let the
core bringup CPUs which timed out in an earlier attempt again.
- Make the x86/XEN CPU state tracking consistent on a failed online
attempt, so a consecutive bringup does not fall over the inconsistent
state.
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Merge tag 'smp-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug updates from Thomas Gleixner:
- Initialize the per-CPU structures during early boot so that the state
is consistent from the very beginning.
- Make the virtualization hotplug state handling more robust and let
the core bringup CPUs which timed out in an earlier attempt again.
- Make the x86/xen CPU state tracking consistent on a failed online
attempt, so a consecutive bringup does not fall over the inconsistent
state.
* tag 'smp-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Initialise all cpuhp_cpu_state structs earlier
cpu/hotplug: Allow the CPU in CPU_UP_PREPARE state to be brought up again.
x86/xen: Allow to retry if cpu_initialize_context() failed.
|
||
|
Linus Torvalds
|
985564eb3e |
Trivial licensing cleanup in debugobjects
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||
|
Linus Torvalds
|
4b57dccc42 |
A single update for irqpoll:
- Ensure that a raised soft interrupt is handled after pulling the
blk_cpu_iopoll backlog from a unplugged CPU. This prevents that the CPU
which runs that code reaches idle with soft interrupts pending.
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Merge tag 'core-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irqpoll update from Thomas Gleixner:
"A single update for irqpoll:
Ensure that a raised soft interrupt is handled after pulling the
blk_cpu_iopoll backlog from a unplugged CPU. This prevents that the
CPU which runs that code reaches idle with soft interrupts pending"
* tag 'core-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lib/irq_poll: Prevent softirq pending leak in irq_poll_cpu_dead()
|
||
|
Linus Torvalds
|
140e40e39a |
zonefs changes for 5.19-rc1
This set of patches improve zonefs open sequential file accounting and adds accounting for active sequential files to allow the user to handle the maximum number of active zones of an NVMe ZNS drive. sysfs attributes for both open and active sequential files are also added to facilitate access to this information from applications without resorting to inspecting the block device limits. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSRPv8tYSvhwAzJdzjdoc3SxdoYdgUCYosTQQAKCRDdoc3SxdoY dqUWAQDGKoSkyRAPJAmuQXYOuOJTLu0b8DSfvyPopFLfKXpPHAEAg995JNTLUs0G R3m7lH6GK+OSBWhZ/Z5HOND3QS9BhgM= =hvqx -----END PGP SIGNATURE----- Merge tag 'zonefs-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs Pull zonefs updates from Damien Le Moal: "This improves zonefs open sequential file accounting and adds accounting for active sequential files to allow the user to handle the maximum number of active zones of an NVMe ZNS drive. sysfs attributes for both open and active sequential files are also added to facilitate access to this information from applications without resorting to inspecting the block device limits" * tag 'zonefs-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs: documentation: zonefs: Document sysfs attributes documentation: zonefs: Cleanup the mount options section zonefs: Add active seq file accounting zonefs: Export open zone resource information through sysfs zonefs: Always do seq file write open accounting zonefs: Rename super block information fields zonefs: Fix management of open zones zonefs: Clear inode information flags on inode creation |
||
|
Linus Torvalds
|
8a32f81a89 |
ata changes for 5.19-rc1
For this cycle, the libata.force kernel parameter changes stand out.
Beside that, some small cleanups in various drivers. In more details:
* Changes to the pata_mpc52xx driver in preparation for powerpc's
asm/prom.h cleanup, from Christophe.
* Improved ATA command allocation, from John.
* Various small cleanups to the pata_via, pata_sil680, pata_ftide010,
sata_gemini, ahci_brcm drivers and to libata-core, from Sergey, Diego,
Ruyi, Mighao and Jiabing.
* Add support for the RZ/G2H SoC to the rcar-sata driver, from Lad.
* AHCI RAID ID cleanup, from Dan.
* Improvement to the libata.force kernel parameter to allow most horkage
flags to be manually forced for debugging drive issues in the field
without needing recompiling a kernel, from me.
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Merge tag 'ata-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata updates from Damien Le Moal:
"For this cycle, the libata.force kernel parameter changes stand out.
Beside that, some small cleanups in various drivers. In more detail:
- Changes to the pata_mpc52xx driver in preparation for powerpc's
asm/prom.h cleanup, from Christophe.
- Improved ATA command allocation, from John.
- Various small cleanups to the pata_via, pata_sil680, pata_ftide010,
sata_gemini, ahci_brcm drivers and to libata-core, from Sergey,
Diego, Ruyi, Mighao and Jiabing.
- Add support for the RZ/G2H SoC to the rcar-sata driver, from Lad.
- AHCI RAID ID cleanup, from Dan.
- Improvement to the libata.force kernel parameter to allow most
horkage flags to be manually forced for debugging drive issues in
the field without needing recompiling a kernel, from me"
* tag 'ata-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_ftide010: Remove unneeded ERROR check before clk_disable_unprepare
doc: admin-guide: Update libata kernel parameters
ata: libata-core: Allow forcing most horkage flags
ata: libata-core: Improve link flags forced settings
ata: libata-core: Refactor force_tbl definition
ata: libata-core: cleanup ata_device_blacklist
ata: simplify the return expression of brcm_ahci_remove
ata: Make use of the helper function devm_platform_ioremap_resource()
ata: libata-core: replace "its" with "it is"
ahci: Add a generic 'controller2' RAID id
dt-bindings: ata: renesas,rcar-sata: Add r8a774e1 support
ata: pata_via: fix sloppy typing in via_do_set_mode()
ata: pata_sil680: fix result type of sil680_sel{dev|reg}()
ata: libata-core: fix parameter type in ata_xfer_mode2shift()
libata: Improve ATA queued command allocation
ata: pata_mpc52xx: Prepare cleanup of powerpc's asm/prom.h
|
||
|
Linus Torvalds
|
5dc921868c |
for-5.19/drivers-2022-05-22
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Merge tag 'for-5.19/drivers-2022-05-22' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
"Here are the driver updates queued up for 5.19. This contains:
- NVMe pull requests via Christoph:
- tighten the PCI presence check (Stefan Roese)
- fix a potential NULL pointer dereference in an error path (Kyle
Miller Smith)
- fix interpretation of the DMRSL field (Tom Yan)
- relax the data transfer alignment (Keith Busch)
- verbose error logging improvements (Max Gurtovoy, Chaitanya
Kulkarni)
- misc cleanups (Chaitanya Kulkarni, Christoph)
- set non-mdts limits in nvme_scan_work (Chaitanya Kulkarni)
- add support for TP4084 - Time-to-Ready Enhancements (Christoph)
- MD pull request via Song:
- Improve annotation in raid5 code, by Logan Gunthorpe
- Support MD_BROKEN flag in raid-1/5/10, by Mariusz Tkaczyk
- Other small fixes/cleanups
- null_blk series making the configfs side much saner (Damien)
- Various minor drbd cleanups and fixes (Haowen, Uladzislau, Jiapeng,
Arnd, Cai)
- Avoid using the system workqueue (and hence flushing it) in rnbd
(Jack)
- Avoid using the system workqueue (and hence flushing it) in aoe
(Tetsuo)
- Series fixing discard_alignment issues in drivers (Christoph)
- Small series fixing drivers poking at disk->part0 for openers
information (Christoph)
- Series fixing deadlocks in loop (Christoph, Tetsuo)
- Remove loop.h and add SPDX headers (Christoph)
- Various fixes and cleanups (Julia, Xie, Yu)"
* tag 'for-5.19/drivers-2022-05-22' of git://git.kernel.dk/linux-block: (72 commits)
mtip32xx: fix typo in comment
nvme: set non-mdts limits in nvme_scan_work
nvme: add support for TP4084 - Time-to-Ready Enhancements
nvme: split the enum used for various register constants
nbd: Fix hung on disconnect request if socket is closed before
nvme-fabrics: add a request timeout helper
nvme-pci: harden drive presence detect in nvme_dev_disable()
nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags
nvme: mark internal passthru request RQF_QUIET
nvme: remove unneeded include from constants file
nvme: add missing status values to verbose logging
nvme: set dma alignment to dword
nvme: fix interpretation of DMRSL
loop: remove most the top-of-file boilerplate comment from the UAPI header
loop: remove most the top-of-file boilerplate comment
loop: add a SPDX header
loop: remove loop.h
block: null_blk: Improve device creation with configfs
block: null_blk: Cleanup messages
block: null_blk: Cleanup device creation and deletion
...
|
||
|
Linus Torvalds
|
115cd47132 |
for-5.19/block-2022-05-22
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Merge tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
"Here are the core block changes for 5.19. This contains:
- blk-throttle accounting fix (Laibin)
- Series removing redundant assignments (Michal)
- Expose bio cache via the bio_set, so that DM can use it (Mike)
- Finish off the bio allocation interface cleanups by dealing with
the weirdest member of the family. bio_kmalloc combines a kmalloc
for the bio and bio_vecs with a hidden bio_init call and magic
cleanup semantics (Christoph)
- Clean up the block layer API so that APIs consumed by file systems
are (almost) only struct block_device based, so that file systems
don't have to poke into block layer internals like the
request_queue (Christoph)
- Clean up the blk_execute_rq* API (Christoph)
- Clean up various lose end in the blk-cgroup code to make it easier
to follow in preparation of reworking the blkcg assignment for bios
(Christoph)
- Fix use-after-free issues in BFQ when processes with merged queues
get moved to different cgroups (Jan)
- BFQ fixes (Jan)
- Various fixes and cleanups (Bart, Chengming, Fanjun, Julia, Ming,
Wolfgang, me)"
* tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block: (83 commits)
blk-mq: fix typo in comment
bfq: Remove bfq_requeue_request_body()
bfq: Remove superfluous conversion from RQ_BIC()
bfq: Allow current waker to defend against a tentative one
bfq: Relax waker detection for shared queues
blk-cgroup: delete rcu_read_lock_held() WARN_ON_ONCE()
blk-throttle: Set BIO_THROTTLED when bio has been throttled
blk-cgroup: Remove unnecessary rcu_read_lock/unlock()
blk-cgroup: always terminate io.stat lines
block, bfq: make bfq_has_work() more accurate
block, bfq: protect 'bfqd->queued' by 'bfqd->lock'
block: cleanup the VM accounting in submit_bio
block: Fix the bio.bi_opf comment
block: reorder the REQ_ flags
blk-iocost: combine local_stat and desc_stat to stat
block: improve the error message from bio_check_eod
block: allow passing a NULL bdev to bio_alloc_clone/bio_init_clone
block: remove superfluous calls to blkcg_bio_issue_init
kthread: unexport kthread_blkcg
blk-cgroup: cleanup blkcg_maybe_throttle_current
...
|
||
|
Linus Torvalds
|
f6792c877a |
for-5.19/cdrom-2022-05-22
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