Messages in this thread Patch in this message | | | From | Yury Norov <> | Subject | [PATCH 12/17] kernel/cpu.c: fix init_cpu_online | Date | Sat, 18 Dec 2021 13:20:08 -0800 |
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cpu_online_mask has an associate counter of online cpus, which should be initialized in init_cpu_online()
Fixes: 0c09ab96fc82010 (cpu/hotplug: Cache number of online CPUs) Signed-off-by: Yury Norov <yury.norov@gmail.com> --- kernel/cpu.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/cpu.c b/kernel/cpu.c index 407a2568f35e..cd7605204d4d 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -2616,6 +2616,7 @@ void init_cpu_possible(const struct cpumask *src) void init_cpu_online(const struct cpumask *src) { cpumask_copy(&__cpu_online_mask, src); + atomic_set(&__num_online_cpus, cpumask_weight(cpu_online_mask)); } void set_cpu_online(unsigned int cpu, bool online) -- 2.30.2
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