Re: x86_64 Question: Are concurrent IPI requests safe?

From: Tetsuo Handa
Date: Wed May 11 2016 - 17:56:38 EST


Peter Zijlstra wrote:
> On Thu, May 12, 2016 at 12:19:07AM +0900, Tetsuo Handa wrote:
> > Well, I came to feel that this is caused by down_write_killable() bug.
> > I guess we should fix down_write_killable() bug first.
>
> There's a patch you can try in that thread...
>
> lkml.kernel.org/r/20160511094128.GB3190@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>

OK. Applying that patch on next-20160511 seems to fix this problem.
Please send it to linux-next tree. Thank you.