Re: [tip:locking/core] locking/osq_lock: Fix osq_lock queue corruption

From: Davidlohr Bueso
Date: Fri Sep 01 2017 - 10:22:36 EST


On Fri, 01 Sep 2017, Peter Zijlstra wrote:

On Thu, Aug 31, 2017 at 12:40:19PM -0700, Davidlohr Bueso wrote:
On Thu, 10 Aug 2017, tip-bot for Prateek Sood wrote:

> Signed-off-by: Prateek Sood <prsood@xxxxxxxxxxxxxx>
> [ Added pictures, rewrote comments. ]
> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: sramana@xxxxxxxxxxxxxx
> Link: http://lkml.kernel.org/r/1500040076-27626-1-git-send-email-prsood@xxxxxxxxxxxxxx
> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>

Any reason -stable wasn't Cc'ed here? This goes back to 3.15:

fb0527bd5ea (locking/mutexes: Introduce cancelable MCS lock for adaptive spinning)

No real reason, and yes, I should have done a Fixes tag I suppose :/

Ok, Cc'ed now.

Thanks,
Davidlohr