linux-kernel - Re: [PATCH 2/5] stop_machine: yield CPU during stop machine

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Message-ID: <20161024084747.GE3102@twins.programming.kicks-ass.net>
Date:   Mon, 24 Oct 2016 10:47:47 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Christian Borntraeger <borntraeger@...ibm.com>
Cc:     Nicholas Piggin <npiggin@...il.com>, linux-kernel@...r.kernel.org,
        linux-s390 <linux-s390@...r.kernel.org>,
        linux-arch@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Noam Camus <noamc@...hip.com>,
        virtualization@...ts.linux-foundation.org,
        xen-devel-request@...ts.xenproject.org, kvm@...r.kernel.org
Subject: Re: [PATCH 2/5] stop_machine: yield CPU during stop machine

On Mon, Oct 24, 2016 at 09:52:31AM +0200, Christian Borntraeger wrote:
> Peter, I will fixup the patch set (I forgot to remove the lowlatency
> in 2 places) and push it on my tree for linux-next. Lets see what happens.
> Would the tip tree be the right place if things work out ok?

I think so, you're touching a fair bit of kernel/locking/ and there's
bound to be some conflicts with work there. So carrying it in the
locking tree might be best.