Re: [RFC][PATCH] preempt: Debug for possible missed preemption checks
From: Andrew Morton <akpm@linux-foundation.org>
Date: 2014-01-17 05:10:10
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From: Andrew Morton <akpm@linux-foundation.org>
Date: 2014-01-17 05:10:10
Also in:
lkml
On Thu, 16 Jan 2014 23:57:51 -0500 Steven Rostedt [off-list ref] wrote:
When PROVE_LOCKING and PREEMPT is configured, the preempt state tracking is active. Testing this out, I added a module that did the following:
So I assume your kernel at least has no instances of this bug, so we don't need the patch ;) It *is* a fairly daft thing to do. Maybe stick it in -next for a few months, see if anyone hits it?