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sched/proc: Print accurate cpumask vs migrate_disable()

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Ensure /proc/*/status doesn't print 'random' cpumasks due to
migrate_disable().

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>
Reviewed-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Link: https://lkml.kernel.org/r/20201023102347.593984734@infradead.org
This commit is contained in:
Peter Zijlstra 2020-10-05 12:49:16 +02:00
parent a7c81556ec
commit 86fbcd3b4b
1 changed files with 2 additions and 2 deletions
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4
fs/proc/array.c
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@ -382,9 +382,9 @@ static inline void task_context_switch_counts(struct seq_file *m,
static void task_cpus_allowed(struct seq_file *m, struct task_struct *task)
{
seq_printf(m, "Cpus_allowed:\t%*pb\n",
cpumask_pr_args(task->cpus_ptr));
cpumask_pr_args(&task->cpus_mask));
seq_printf(m, "Cpus_allowed_list:\t%*pbl\n",
cpumask_pr_args(task->cpus_ptr));
cpumask_pr_args(&task->cpus_mask));
}
static inline void task_core_dumping(struct seq_file *m, struct mm_struct *mm)