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sched/isolation: Use single feature type while referring to housekeeping cpumask

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Refer to housekeeping APIs using single feature types instead of flags.
This prevents from passing multiple isolation features at once to
housekeeping interfaces, which soon won't be possible anymore as each
isolation features will have their own cpumask.

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Juri Lelli <juri.lelli@redhat.com>
Reviewed-by: Phil Auld <pauld@redhat.com>
Link: https://lore.kernel.org/r/20220207155910.527133-5-frederic@kernel.org
This commit is contained in:
Frederic Weisbecker
2022-02-07 16:59:06 +01:00
committed by Peter Zijlstra
parent c8fb9f22ae
commit 04d4e665a6
19 changed files with 86 additions and 73 deletions
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4
kernel/cpu.c
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@@ -1488,8 +1488,8 @@ int freeze_secondary_cpus(int primary)
cpu_maps_update_begin();
if (primary == -1) {
primary = cpumask_first(cpu_online_mask);
if (!housekeeping_cpu(primary, HK_FLAG_TIMER))
primary = housekeeping_any_cpu(HK_FLAG_TIMER);
if (!housekeeping_cpu(primary, HK_TYPE_TIMER))
primary = housekeeping_any_cpu(HK_TYPE_TIMER);
} else {
if (!cpu_online(primary))
primary = cpumask_first(cpu_online_mask);