Linus Torvalds 48fc82c40b Locking changes for v6.10: ... - Over a dozen code generation micro-optimizations for the atomic and spinlock code. - Add more __ro_after_init attributes - Robustify the lockdevent_*() macros Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmZBrMMRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1gSuA//YyLRTCGtH6d/fCudlzzoa14MHO/QiCv7 lgmq3Vqif/m+MW7LwQJbLrxDPJPT1mE9Ol9woOc133Cj1QZhF/HQvDAKT9ZpMoXU d8U3kuZ7tN41TJuQx6vNSCv3w5ToKeXaQJGxiT6od2Y/0QlhUKhVBSBQVtyc/ma6 o1Uhq1Qp5KPj928jiqwI0JCZJFqqLvzq/rIT38V05phHEPet4GbLMbz9ZTsw70pm xmLzGLXJQ9maziuVcmRUrctsAkbk+VhChQ9p4HrH6AcYPwyQoF+zJr7iocyzIMG2 xQqhEYShI72lcRft8hZwlrLTKZJWSAkDIxIxaQ2egzsNBwBPbRpP0mUIz3qbwJxQ fqzKGxwDmxjiX1Ib4gIVje66hp2QpPX5G1ARoeKvbrHkXxzqVuFlaQBn1+OAQ/GV mNzKADxrjalhyiMksHXbEbUNEvXCGqC2N9AOWT6XNvpLDqTJBz/wB+f9cbx3gYEO 9rXwVicWXLzUnEfbRaEjCrDeMEHMLqhaZIndgCx07JpFkkTtKLD1N9tBxFPNH+SP XK7SAsXrxwhBjGbWItfF4eOaPCey+/+kGhOPadfTg3g9zDjEBvX/YNBBw9q2CUWc JWd/gct+/Jnnkh1jdIj9yRF2xciVY+iOshHRzG+clo/PhRTwv+DwfMJ/uzn+oaSF vOT+exKA8bg= =rT48 -----END PGP SIGNATURE----- Merge tag 'locking-core-2024-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking updates from Ingo Molnar: - Over a dozen code generation micro-optimizations for the atomic and spinlock code - Add more __ro_after_init attributes - Robustify the lockdevent_*() macros * tag 'locking-core-2024-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/pvqspinlock/x86: Use _Q_LOCKED_VAL in PV_UNLOCK_ASM macro locking/qspinlock/x86: Micro-optimize virt_spin_lock() locking/atomic/x86: Merge __arch{,_try}_cmpxchg64_emu_local() with __arch{,_try}_cmpxchg64_emu() locking/atomic/x86: Introduce arch_try_cmpxchg64_local() locking/pvqspinlock/x86: Remove redundant CMP after CMPXCHG in __raw_callee_save___pv_queued_spin_unlock() locking/pvqspinlock: Use try_cmpxchg() in qspinlock_paravirt.h locking/pvqspinlock: Use try_cmpxchg_acquire() in trylock_clear_pending() locking/qspinlock: Use atomic_try_cmpxchg_relaxed() in xchg_tail() locking/atomic/x86: Define arch_atomic_sub() family using arch_atomic_add() functions locking/atomic/x86: Rewrite x86_32 arch_atomic64_{,fetch}_{and,or,xor}() functions locking/atomic/x86: Introduce arch_atomic64_read_nonatomic() to x86_32 locking/atomic/x86: Introduce arch_atomic64_try_cmpxchg() to x86_32 locking/atomic/x86: Introduce arch_try_cmpxchg64() for !CONFIG_X86_CMPXCHG64 locking/atomic/x86: Modernize x86_32 arch_{,try_}_cmpxchg64{,_local}() locking/atomic/x86: Correct the definition of __arch_try_cmpxchg128() x86/tsc: Make __use_tsc __ro_after_init x86/kvm: Make kvm_async_pf_enabled __ro_after_init context_tracking: Make context_tracking_key __ro_after_init jump_label,module: Don't alloc static_key_mod for __ro_after_init keys locking/qspinlock: Always evaluate lockevent* non-event parameter once		2024-05-13 17:01:28 -07:00
..
bpf	RCU pull request for v6.10	2024-05-13 09:49:06 -07:00
cgroup	Networking changes for 6.9.	2024-03-12 17:44:08 -07:00
configs	hardening updates for 6.10-rc1	2024-05-13 14:14:05 -07:00
debug	kdb: Fix a potential buffer overflow in kdb_local()	2024-01-17 17:19:06 +00:00
dma	swiotlb: initialise restricted pool list_head when SWIOTLB_DYNAMIC=y	2024-05-02 14:57:04 +02:00
entry	entry: Respect changes to system call number by trace_sys_enter()	2024-03-12 13:23:32 +01:00
events	- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames	2024-03-14 17:43:30 -07:00
futex	futex: Prevent the reuse of stale pi_state	2024-01-19 12:58:17 +01:00
gcov	gcov: annotate struct gcov_iterator with __counted_by	2023-10-18 14:43:22 -07:00
irq	genirq: Introduce IRQF_COND_ONESHOT and use it in pinctrl-amd	2024-03-25 23:45:21 +01:00
kcsan	kcsan, compiler_types: Introduce __data_racy type qualifier	2024-05-07 11:39:50 -07:00
livepatch	livepatch: Fix missing newline character in klp_resolve_symbols()	2023-09-20 11:24:18 +02:00
locking	locking/pvqspinlock: Use try_cmpxchg() in qspinlock_paravirt.h	2024-04-12 11:42:39 +02:00
module	This push fixes a regression that broke iwd as well as a divide by	2024-03-25 10:48:23 -07:00
power	PM: s2idle: Make sure CPUs will wakeup directly on resume	2024-04-08 15:36:54 +02:00
printk	printk changes for 6.9-rc2	2024-03-26 09:25:57 -07:00
rcu	Merge branches 'fixes.2024.04.15a', 'misc.2024.04.12a', 'rcu-sync-normal-improve.2024.04.15a', 'rcu-tasks.2024.04.15a' and 'rcutorture.2024.04.15a' into rcu-merge.2024.04.15a	2024-05-01 13:04:02 +02:00
sched	sched/isolation: Fix boot crash when maxcpus < first housekeeping CPU	2024-04-28 10:08:21 +02:00
time	timers/migration: Prevent out of bounds access on failure	2024-05-08 11:19:43 +02:00
trace	RCU pull request for v6.10	2024-05-13 09:49:06 -07:00
.gitignore
acct.c	fs: rename __mnt_{want,drop}_write*() helpers	2023-09-11 15:05:50 +02:00
async.c	async: Use a dedicated unbound workqueue with raised min_active	2024-02-09 11:13:59 -10:00
audit_fsnotify.c	audit: fix potential double free on error path from fsnotify_add_inode_mark	2022-08-22 18:50:06 -04:00
audit_tree.c	As usual, lots of singleton and doubleton patches all over the tree and	2023-11-02 20:53:31 -10:00
audit_watch.c	audit: don't WARN_ON_ONCE(!current->mm) in audit_exe_compare()	2023-11-14 17:34:27 -05:00
audit.c	audit: use KMEM_CACHE() instead of kmem_cache_create()	2024-01-25 10:12:22 -05:00
audit.h	audit: correct audit_filter_inodes() definition	2023-07-21 12:17:25 -04:00
auditfilter.c	audit: remove unnecessary assignment in audit_dupe_lsm_field()	2024-01-25 09:59:27 -05:00
auditsc.c	audit,io_uring: io_uring openat triggers audit reference count underflow	2023-10-13 18:34:46 +02:00
backtracetest.c	backtracetest: Convert from tasklet to BH workqueue	2024-02-05 13:22:34 -10:00
bounds.c	bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS	2024-04-29 08:29:29 -07:00
capability.c	lsm: constify the 'target' parameter in security_capget()	2023-08-08 16:48:47 -04:00
cfi.c	cfi: Switch to -fsanitize=kcfi	2022-09-26 10:13:13 -07:00
compat.c	sched_getaffinity: don't assume 'cpumask_size()' is fully initialized	2023-03-14 19:32:38 -07:00
configs.c
context_tracking.c	context_tracking: Make context_tracking_key __ro_after_init	2024-03-22 11:18:18 +01:00
cpu_pm.c	cpuidle, cpu_pm: Remove RCU fiddling from cpu_pm_{enter,exit}()	2023-01-13 11:48:15 +01:00
cpu.c	cpu: Ignore "mitigations" kernel parameter if CPU_MITIGATIONS=n	2024-04-25 15:47:39 +02:00
crash_core.c	crash: split crash dumping code out from kexec_core.c	2024-02-23 17:48:22 -08:00
crash_reserve.c	crash: use macro to add crashk_res into iomem early for specific arch	2024-03-26 11:14:12 -07:00
cred.c	cred: Use KMEM_CACHE() instead of kmem_cache_create()	2024-02-23 17:33:31 -05:00
delayacct.c	delayacct: track delays from IRQ/SOFTIRQ	2023-04-18 16:39:34 -07:00
dma.c
elfcorehdr.c	crash: remove dependency of FA_DUMP on CRASH_DUMP	2024-02-23 17:48:22 -08:00
exec_domain.c
exit.c	vfs-6.9.pidfd	2024-03-11 10:21:06 -07:00
exit.h	exit: add internal include file with helpers	2023-09-21 12:03:50 -06:00
extable.c
fail_function.c	kernel/fail_function: fix memory leak with using debugfs_lookup()	2023-02-08 13:36:22 +01:00
fork.c	fork: defer linking file vma until vma is fully initialized	2024-04-16 15:39:51 -07:00
freezer.c	Linux 6.7-rc6	2023-12-23 15:52:13 +01:00
gen_kheaders.sh	Revert "kheaders: substituting --sort in archive creation"	2023-05-28 16:20:21 +09:00
groups.c	groups: Convert group_info.usage to refcount_t	2023-09-29 11:28:39 -07:00
hung_task.c	kernel/hung_task.c: export sysctl_hung_task_timeout_secs	2024-03-13 21:22:04 -04:00
iomem.c	kernel/iomem.c: remove __weak ioremap_cache helper	2023-08-21 13:37:28 -07:00
irq_work.c	trace: Add trace_ipi_send_cpu()	2023-03-24 11:01:29 +01:00
jump_label.c	jump_label,module: Don't alloc static_key_mod for __ro_after_init keys	2024-03-22 11:18:16 +01:00
kallsyms_internal.h	kallsyms: Reduce the memory occupied by kallsyms_seqs_of_names[]	2022-11-12 18:47:36 -08:00
kallsyms_selftest.c	mm/vmalloc: remove vmap_area_list	2024-02-23 17:48:19 -08:00
kallsyms_selftest.h	kallsyms: Add self-test facility	2022-11-15 00:42:02 -08:00
kallsyms.c	kallsyms: Change func signature for cleanup_symbol_name()	2023-08-25 15:00:36 -07:00
kcmp.c	file: convert to SLAB_TYPESAFE_BY_RCU	2023-10-19 11:02:48 +02:00
Kconfig.freezer
Kconfig.hz
Kconfig.kexec	crash: clean up kdump related config items	2024-02-23 17:48:22 -08:00
Kconfig.locks
Kconfig.preempt
kcov.c	kcov: add prototypes for helper functions	2023-06-09 17:44:17 -07:00
kexec_core.c	- Kuan-Wei Chiu has developed the well-named series "lib min_heap: Min	2024-03-14 18:03:09 -07:00
kexec_elf.c
kexec_file.c	arm64, crash: wrap crash dumping code into crash related ifdefs	2024-02-23 17:48:23 -08:00
kexec_internal.h	crash: remove dependency of FA_DUMP on CRASH_DUMP	2024-02-23 17:48:22 -08:00
kexec.c	crash: split crash dumping code out from kexec_core.c	2024-02-23 17:48:22 -08:00
kheaders.c	kheaders: Use array declaration instead of char	2023-03-24 20:10:59 -07:00
kprobes.c	kprobes: Fix possible use-after-free issue on kprobe registration	2024-04-10 23:35:51 +09:00
ksyms_common.c	kallsyms: make kallsyms_show_value() as generic function	2023-06-08 12:27:20 -07:00
ksysfs.c	Driver core changes for 6.9-rc1	2024-03-21 13:34:15 -07:00
kthread.c	As usual, lots of singleton and doubleton patches all over the tree and	2023-11-02 20:53:31 -10:00
latencytop.c	latencytop: use the last element of latency_record of system	2022-09-11 21:55:12 -07:00
Makefile	crash: split crash dumping code out from kexec_core.c	2024-02-23 17:48:22 -08:00
module_signature.c
notifier.c	notifiers: add tracepoints to the notifiers infrastructure	2023-04-08 13:45:38 -07:00
nsproxy.c	pidfd: add pidfs	2024-03-01 12:23:37 +01:00
numa.c	kernel/numa.c: Move logging out of numa.h	2023-12-20 19:26:30 -05:00
padata.c	padata: Disable BH when taking works lock on MT path	2024-04-12 15:07:51 +08:00
panic.c	- Kuan-Wei Chiu has developed the well-named series "lib min_heap: Min	2024-03-14 18:03:09 -07:00
params.c	params: Fix multi-line comment style	2023-12-01 09:51:44 -08:00
pid_namespace.c	wait: Remove uapi header file from main header file	2023-12-20 19:26:31 -05:00
pid_sysctl.h	memfd: replace ratcheting feature from vm.memfd_noexec with hierarchy	2023-08-21 13:37:59 -07:00
pid.c	pidfs: remove config option	2024-03-13 12:53:53 -07:00
profile.c	profiling: Remove create_prof_cpu_mask().	2024-04-27 11:17:48 -07:00
ptrace.c	ptrace_attach: shift send(SIGSTOP) into ptrace_set_stopped()	2024-02-22 15:38:52 -08:00
range.c
reboot.c	Thermal control updates for 6.8-rc1	2024-01-09 16:20:17 -08:00
regset.c
relay.c	kernel: relay: remove relay_file_splice_read dead code, doesn't work	2023-12-29 12:22:27 -08:00
resource_kunit.c
resource.c	Quite a lot of kexec work this time around. Many singleton patches in	2024-01-09 11:46:20 -08:00
rseq.c	rseq: Extend struct rseq with per-memory-map concurrency ID	2022-12-27 12:52:12 +01:00
scftorture.c	scftorture: Pause testing after memory-allocation failure	2023-07-14 15:02:57 -07:00
scs.c	scs: add support for dynamic shadow call stacks	2022-11-09 18:06:35 +00:00
seccomp.c	seccomp: Constify sysctl subhelpers	2024-05-08 12:50:40 -07:00
signal.c	- Kuan-Wei Chiu has developed the well-named series "lib min_heap: Min	2024-03-14 18:03:09 -07:00
smp.c	CSD lock commits for v6.7	2023-10-30 17:56:53 -10:00
smpboot.c	kthread: add kthread_stop_put	2023-10-04 10:41:57 -07:00
smpboot.h
softirq.c	softirq: Fix suspicious RCU usage in __do_softirq()	2024-04-29 05:03:51 +02:00
stackleak.c	stackleak: Use a copy of the ctl_table argument	2024-05-03 12:35:12 -07:00
stacktrace.c	stacktrace: fix kernel-doc typo	2023-12-29 12:22:29 -08:00
static_call_inline.c	static_call: Add call depth tracking support	2022-10-17 16:41:16 +02:00
static_call.c
stop_machine.c
sys_ni.c	lsm/stable-6.8 PR 20240105	2024-01-09 12:57:46 -08:00
sys.c	prctl: generalize PR_SET_MDWE support check to be per-arch	2024-03-26 11:07:22 -07:00
sysctl-test.c	kernel/sysctl-test: use SYSCTL_{ZERO/ONE_HUNDRED} instead of i_{zero/one_hundred}	2022-09-08 16:56:45 -07:00
sysctl.c	tracing: Support to dump instance traces by ftrace_dump_on_oops	2024-03-18 10:33:06 -04:00
task_work.c	task_work: add kerneldoc annotation for 'data' argument	2023-09-19 13:21:32 -07:00
taskstats.c	taskstats: fill_stats_for_tgid: use for_each_thread()	2023-10-04 10:41:57 -07:00
torture.c	torture: Print out torture module parameters	2023-09-24 17:24:01 +02:00
tracepoint.c	tracepoint: Allow livepatch module add trace event	2023-02-18 14:34:36 -05:00
tsacct.c
ucount.c	sysctl: Add size to register_sysctl	2023-08-15 15:26:17 -07:00
uid16.c
uid16.h
umh.c	sysctl: fix unused proc_cap_handler() function warning	2023-06-29 15:19:43 -07:00
up.c	smp: Change function signatures to use call_single_data_t	2023-09-13 14:59:24 +02:00
user_namespace.c	user_namespace: remove unnecessary NULL values from kbuf	2024-02-22 15:38:52 -08:00
user-return-notifier.c
user.c	binfmt_misc: enable sandboxed mounts	2023-10-11 08:46:01 -07:00
usermode_driver.c
utsname_sysctl.c	utsname: simplify one-level sysctl registration for uts_kern_table	2023-04-13 11:49:35 -07:00
utsname.c
vhost_task.c	vhost: Fix worker hangs due to missed wake up calls	2023-06-08 15:43:09 -04:00
vmcore_info.c	mm: turn folio_test_hugetlb into a PageType	2024-04-24 19:34:26 -07:00
watch_queue.c	watch_queue: fix kcalloc() arguments order	2023-12-21 13:17:54 +01:00
watchdog_buddy.c	watchdog/hardlockup: move SMP barriers from common code to buddy code	2023-06-19 16:25:28 -07:00
watchdog_perf.c	watchdog/perf: add a weak function for an arch to detect if perf can use NMIs	2023-06-09 17:44:21 -07:00
watchdog.c	watchdog/core: remove sysctl handlers from public header	2024-03-12 13:09:23 -07:00
workqueue_internal.h	workqueue: Drop the special locking rule for worker->flags and worker_pool->flags	2023-08-07 15:57:22 -10:00
workqueue.c	workqueue: Fix divide error in wq_update_node_max_active()	2024-04-24 07:23:06 -10:00