From: Paolo Bonzini <pbonzini@redhat.com>
To: William Dauchy <william@gandi.net>
Cc: Gleb Natapov <gleb@kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Kosuke Tatsukawa <tatsu@ab.jp.nec.com>
Subject: Re: [PATCH v2] kvm: fix waitqueue_active without memory barrier in virt/kvm/async_pf.c
Date: Fri, 6 Nov 2015 17:30:04 +0100 [thread overview]
Message-ID: <563CD58C.1080402@redhat.com> (raw)
In-Reply-To: <20151106130246.GG12546@gandi.net>
On 06/11/2015 14:02, William Dauchy wrote:
> Hi Paolo,
>
> Looking at the history of this function, is it reasonable to say
> it fixes the following commit? af585b9 KVM: Halt vcpu if page it
> tries to access is swapped out
>
> Does it make it a good candidate for -stable?
It's just a theoretical race, with no known reproducer, so it's
explicitly "forbidden" by the -stable rules.
Paolo
prev parent reply other threads:[~2015-11-06 16:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-09 12:21 [PATCH v2] kvm: fix waitqueue_active without memory barrier in virt/kvm/async_pf.c Kosuke Tatsukawa
2015-10-09 12:55 ` Peter Zijlstra
2015-10-09 13:56 ` Paolo Bonzini
2015-11-06 13:02 ` William Dauchy
2015-11-06 16:30 ` Paolo Bonzini [this message]
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