On 2015/7/3 19:23, Paolo Bonzini wrote:
On 03/07/2015 10:56, Tiejun Chen wrote:
After commit 1cde2930e154 ("sched/preempt: Add static_key() to
preempt_notifiers") is introduced, preempt_notifier_{register, unregister}
always hold a mutex, jump_label_mutex. So in current case this shouldn't
work
On 03/07/2015 10:56, Tiejun Chen wrote:
> After commit 1cde2930e154 ("sched/preempt: Add static_key() to
> preempt_notifiers") is introduced, preempt_notifier_{register, unregister}
> always hold a mutex, jump_label_mutex. So in current case this shouldn't
> work further under the circumstance of d
After commit 1cde2930e154 ("sched/preempt: Add static_key() to
preempt_notifiers") is introduced, preempt_notifier_{register, unregister}
always hold a mutex, jump_label_mutex. So in current case this shouldn't
work further under the circumstance of disabled preemption, and its also
safe since we'r
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