linux-mainline/kernel
Linus Torvalds 6ab41fca2e Fix a severe slowdown regression in the timer vDSO code related
to the while() loop in __iter_div_u64_rem(), when the AUX-clock
 is enabled.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2025-09-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fix from Ingo Molnar:
 "Fix a severe slowdown regression in the timer vDSO code related to the
  while() loop in __iter_div_u64_rem(), when the AUX-clock is enabled"

* tag 'timers-urgent-2025-09-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  vdso/vsyscall: Avoid slow division loop in auxiliary clock update
2025-09-07 08:29:44 -07:00
..
bpf bpf: Fix memory leak of bpf_scc_info objects 2025-08-02 09:04:57 -07:00
cgroup cgroup: avoid null de-ref in css_rstat_exit() 2025-08-09 08:46:32 -10:00
configs configs/hardening: Enable CONFIG_INIT_ON_FREE_DEFAULT_ON 2025-07-21 21:41:57 -07:00
debug
dma dma/pool: Ensure DMA_DIRECT_REMAP allocations are decrypted 2025-08-13 11:02:10 +02:00
entry ARM: 2025-07-30 17:14:01 -07:00
events perf: Fix the POLL_HUP delivery breakage 2025-09-03 10:10:59 +02:00
futex futex: Move futex_hash_free() back to __mmput() 2025-08-31 11:48:19 +02:00
gcov
irq genirq/test: Resolve irq lock inversion warnings 2025-08-06 10:29:48 +02:00
kcsan kcsan: test: Initialize dummy variable 2025-07-23 08:51:32 +02:00
livepatch
locking - Make sure sanity checks down in the mutex lock path happen on the correct 2025-08-17 05:57:47 -07:00
module Significant patch series in this pull request: 2025-08-05 16:02:07 +03:00
power drm for 6.17-rc1 2025-07-30 19:26:49 -07:00
printk printk changes for 6.17 2025-08-04 10:54:36 -07:00
rcu rcu: Fix racy re-initialization of irq_work causing hangs 2025-08-11 08:43:49 +05:30
sched sched: Fix sched_numa_find_nth_cpu() if mask offline 2025-09-03 12:20:06 -04:00
time vdso/vsyscall: Avoid slow division loop in auxiliary clock update 2025-09-03 11:55:11 +02:00
trace tracing fixes for v6.17-rc2: 2025-08-23 10:11:34 -04:00
unwind unwind: Finish up unwind when a task exits 2025-07-31 10:20:11 -04:00
.gitignore
acct.c
async.c
audit_fsnotify.c
audit_tree.c
audit_watch.c
audit.c
audit.h
auditfilter.c audit: fix out-of-bounds read in audit_compare_dname_path() 2025-09-03 16:46:23 -04:00
auditsc.c
backtracetest.c
bounds.c
capability.c
cfi.c cfi: Move BPF CFI types and helpers to generic code 2025-07-31 18:23:53 -07:00
compat.c
configs.c
context_tracking.c
cpu_pm.c
cpu.c cpu: Remove obsolete comment from takedown_cpu() 2025-08-06 22:48:12 +02:00
crash_core.c kdump: wait for DMA to finish when using CMA 2025-07-19 19:08:23 -07:00
crash_dump_dm_crypt.c
crash_reserve.c kdump: implement reserve_crashkernel_cma 2025-07-19 19:08:23 -07:00
cred.c
delayacct.c
dma.c
elfcorehdr.c
exec_domain.c
exit.c Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
exit.h
extable.c
fail_function.c
fork.c futex: Move futex_hash_free() back to __mmput() 2025-08-31 11:48:19 +02:00
freezer.c sched,freezer: Remove unnecessary warning in __thaw_task 2025-07-17 07:56:50 -10:00
gen_kheaders.sh kheaders: make it possible to override TAR 2025-08-06 10:23:36 +09:00
groups.c
hung_task.c hung_task: extend hung task blocker tracking to rwsems 2025-07-19 19:08:26 -07:00
iomem.c
irq_work.c
jump_label.c
kallsyms_internal.h
kallsyms_selftest.c
kallsyms_selftest.h
kallsyms.c bpf: Clean up individual BTF_ID code 2025-07-16 18:34:42 -07:00
kcmp.c
Kconfig.freezer
Kconfig.hz
Kconfig.kexec kho: mm: don't allow deferred struct page with KHO 2025-08-19 16:35:53 -07:00
Kconfig.locks
Kconfig.preempt
kcov.c kcov: fix typo in comment of kcov_fault_in_area 2025-07-09 22:57:52 -07:00
kexec_core.c Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
kexec_elf.c
kexec_file.c Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
kexec_handover.c kho: warn if KHO is disabled due to an error 2025-08-19 16:35:53 -07:00
kexec_internal.h kexec: enable CMA based contiguous allocation 2025-08-02 12:01:38 -07:00
kexec.c kexec: enable CMA based contiguous allocation 2025-08-02 12:01:38 -07:00
kheaders.c
kprobes.c kprobes: Add missing kerneldoc for __get_insn_slot 2025-07-15 18:45:34 +09:00
kstack_erase.c stackleak: Rename stackleak_track_stack to __sanitizer_cov_stack_depth 2025-07-21 21:40:39 -07:00
ksyms_common.c
ksysfs.c
kthread.c ipvs: Fix estimator kthreads preferred affinity 2025-08-13 08:34:33 +02:00
latencytop.c
Makefile Kbuild updates for v6.17 2025-08-06 07:32:52 +03:00
module_signature.c
notifier.c
nsproxy.c
padata.c
panic.c Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
params.c params: Replace deprecated strcpy() with strscpy() and memcpy() 2025-08-16 21:47:25 +02:00
pid_namespace.c
pid_sysctl.h
pid.c Summary 2025-07-29 21:43:08 -07:00
profile.c
ptrace.c
range.c
reboot.c
regset.c
relay.c relayfs: support a counter tracking if data is too big to write 2025-07-09 22:57:52 -07:00
resource_kunit.c
resource.c resource: fix false warning in __request_region() 2025-07-24 17:57:59 -07:00
rseq.c
scftorture.c
scs.c
seccomp.c
signal.c signal: Fix memory leak for PIDFD_SELF* sentinels 2025-08-19 13:51:28 +02:00
smp.c smp: Fix spelling in on_each_cpu_cond_mask()'s doc-comment 2025-08-02 14:24:50 +02:00
smpboot.c
smpboot.h
softirq.c
stacktrace.c
static_call_inline.c
static_call.c
stop_machine.c sched/core: Fix migrate_swap() vs. hotplug 2025-07-01 15:02:03 +02:00
sys_ni.c
sys.c Summary of significant series in this pull request: 2025-07-31 14:57:54 -07:00
sysctl-test.c
sysctl.c sysctl: rename kern_table -> sysctl_subsys_table 2025-07-23 11:56:02 +02:00
task_work.c
taskstats.c
torture.c
tracepoint.c
tsacct.c
ucount.c ucount: use atomic_long_try_cmpxchg() in atomic_long_inc_below() 2025-08-02 12:01:38 -07:00
uid16.c
uid16.h
umh.c
up.c
user_namespace.c
user-return-notifier.c
user.c
utsname_sysctl.c
utsname.c
vhost_task.c vhost: Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...)) 2025-08-01 09:11:08 -04:00
vmcore_info.c
watch_queue.c
watchdog_buddy.c watchdog: fix opencoded cpumask_next_wrap() in watchdog_next_cpu() 2025-07-31 11:28:03 -04:00
watchdog_perf.c watchdog/perf: Provide function for adjusting the event period 2025-07-04 13:17:30 +01:00
watchdog.c
workqueue_internal.h
workqueue.c workqueue: Changes for v6.17 2025-07-31 15:40:22 -07:00