Re: [RFC][PATCH] preempt: Debug for possible missed preemptionchecks

From: Andrew Morton
Date: Fri Jan 17 2014 - 00:10:19 EST

On Thu, 16 Jan 2014 23:57:51 -0500 Steven Rostedt <rostedt@xxxxxxxxxxx> 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?
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at