linux-kernel - Re: [PATCH] Fixes: 805de8f43c20 (atomic: Replace atomic_{set,clear}

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Message-ID: <20150916144007.GB3604@twins.programming.kicks-ass.net>
Date:	Wed, 16 Sep 2015 16:40:07 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Jason J. Herne" <jjherne@...ux.vnet.ibm.com>
Cc:	pbonzini@...hat.com, borntraeger@...ibm.com,
	cornelia.huck@...ibm.com, tglx@...utronix.de, kvm@...r.kernel.org,
	linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fixes: 805de8f43c20 (atomic: Replace
 atomic_{set,clear}_mask() usage)

On Wed, Sep 16, 2015 at 09:13:50AM -0400, Jason J. Herne wrote:
> The offending commit accidentally replaces an atomic_clear with an
> atomic_or instead of an atomic_andnot in kvm_s390_vcpu_request_handled.
> The symptom is that kvm guests on s390 hang on startup.
> This patch simply replaces the incorrect atomic_or with atomic_andnot
> 
> Signed-off-by: Jason J. Herne <jjherne@...ux.vnet.ibm.com>

Urgh, sorry about that.

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
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