Re: [PATCH] mm/kasan: make quarantine_lock a raw_spinlock_t

From: Andrew Morton
Date: Mon Oct 15 2018 - 19:35:34 EST


On Sat, 13 Oct 2018 15:50:58 +0200 Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> The whole raw_spinlock_t is for RT, no other reason.

Oh. I never realised that.

Is this documented anywhere? Do there exist guidelines which tell
non-rt developers and reviewers when it should be used?