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Message-Id: <20181015163529.30ed9b0ac18e20dd975f4253@linux-foundation.org>
Date: Mon, 15 Oct 2018 16:35:29 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
Dmitry Vyukov <dvyukov@...gle.com>,
Clark Williams <williams@...hat.com>,
Alexander Potapenko <glider@...gle.com>,
kasan-dev <kasan-dev@...glegroups.com>,
Linux-MM <linux-mm@...ck.org>,
LKML <linux-kernel@...r.kernel.org>,
linux-rt-users@...r.kernel.org,
Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] mm/kasan: make quarantine_lock a raw_spinlock_t
On Sat, 13 Oct 2018 15:50:58 +0200 Peter Zijlstra <peterz@...radead.org> 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?
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