diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2025-02-05 14:57:18 -0800 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2025-02-05 14:57:18 -0800 |
| commit | 9e676a024fa1fa2bd8150c2d2ba85478280353bc (patch) | |
| tree | 5cf0e1d4ab27002fcafdc7dc5bdfdd9ff3f3c9f1 /kernel/cpu.c | |
| parent | 357b965deba9fb71467413e473764ec4e1694d8d (diff) | |
| parent | 2014c95afecee3e76ca4a56956a936e23283f05b (diff) | |
Merge tag 'v6.14-rc1' into perf-tools-next
To get the various fixes in the current master.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'kernel/cpu.c')
| -rw-r--r-- | kernel/cpu.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index b605334f8ee6..07455d25329c 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -905,12 +905,13 @@ static int finish_cpu(unsigned int cpu) struct mm_struct *mm = idle->active_mm; /* - * idle_task_exit() will have switched to &init_mm, now - * clean up any remaining active_mm state. + * sched_force_init_mm() ensured the use of &init_mm, + * drop that refcount now that the CPU has stopped. */ - if (mm != &init_mm) - idle->active_mm = &init_mm; + WARN_ON(mm != &init_mm); + idle->active_mm = NULL; mmdrop_lazy_tlb(mm); + return 0; } @@ -2179,7 +2180,7 @@ static struct cpuhp_step cpuhp_hp_states[] = { }, [CPUHP_AP_HRTIMERS_DYING] = { .name = "hrtimers:dying", - .startup.single = NULL, + .startup.single = hrtimers_cpu_starting, .teardown.single = hrtimers_cpu_dying, }, [CPUHP_AP_TICK_DYING] = { @@ -3128,11 +3129,6 @@ void init_cpu_possible(const struct cpumask *src) cpumask_copy(&__cpu_possible_mask, src); } -void init_cpu_online(const struct cpumask *src) -{ - cpumask_copy(&__cpu_online_mask, src); -} - void set_cpu_online(unsigned int cpu, bool online) { /* |