Messages in this thread Patch in this message | | | From | Yury Norov <> | Subject | [PATCH 2/4] lib/cpumask: delete misleading comment | Date | Mon, 29 Aug 2022 09:57:46 -0700 |
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The comment says that HOTPLUG config option enables all cpus in cpu_possible_mask up to NR_CPUs. This is wrong. Even if HOTPLUG is enabled, the mask is populated on boot with respect to ACPI/DT records.
Signed-off-by: Yury Norov <yury.norov@gmail.com> --- include/linux/cpumask.h | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index bd047864c7ac..f70bf9ffa9d3 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -67,10 +67,6 @@ extern unsigned int nr_cpu_ids; * cpu_online_mask is the dynamic subset of cpu_present_mask, * indicating those CPUs available for scheduling. * - * If HOTPLUG is enabled, then cpu_possible_mask is forced to have - * all NR_CPUS bits set, otherwise it is just the set of CPUs that - * ACPI reports present at boot. - * * If HOTPLUG is enabled, then cpu_present_mask varies dynamically, * depending on what ACPI reports as currently plugged in, otherwise * cpu_present_mask is just a copy of cpu_possible_mask. -- 2.34.1
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