Commit 86fbcd3b authored by Peter Zijlstra's avatar Peter Zijlstra
Browse files

sched/proc: Print accurate cpumask vs migrate_disable() 



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

Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarValentin Schneider <valentin.schneider@arm.com>
Reviewed-by: default avatarDaniel Bristot de Oliveira <bristot@redhat.com>
Link: https://lkml.kernel.org/r/20201023102347.593984734@infradead.org
parent a7c81556

fs/proc/array.c

+2 −2
Original line number Diff line number Diff line
@@ -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)