linux-kernel - Re: [PATCH 1/4] PF: Add FAULT_FLAG_RETRY

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Message-ID: <20130709154335.GI24941@redhat.com>
Date:	Tue, 9 Jul 2013 18:43:35 +0300
From:	Gleb Natapov <gleb@...hat.com>
To:	Christian Borntraeger <borntraeger@...ibm.com>
Cc:	Dominik Dingel <dingel@...ux.vnet.ibm.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	Xiantao Zhang <xiantao.zhang@...el.com>,
	Alexander Graf <agraf@...e.de>,
	Christoffer Dall <christoffer.dall@...aro.org>,
	Marc Zyngier <marc.zyngier@....com>,
	Ralf Baechle <ralf@...ux-mips.org>, kvm@...r.kernel.org,
	linux-s390@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] PF: Add FAULT_FLAG_RETRY_NOWAIT for guest fault

On Tue, Jul 09, 2013 at 05:36:46PM +0200, Christian Borntraeger wrote:
> On 09/07/13 17:23, Gleb Natapov wrote:
> > On Tue, Jul 09, 2013 at 03:56:44PM +0200, Dominik Dingel wrote:
> >> In case of a fault retry exit sie64() with gmap_fault indication for the
> >> running thread set. This makes it possible to handle async page faults
> >> without the need for mm notifiers.
> >>
> >> Based on a patch from Martin Schwidefsky.
> >>
> > For that we will obviously need Christian and Cornelia ACKs. Or it can
> > go in via S390 tree.
> > 
> 
> >> Signed-off-by: Dominik Dingel <dingel@...ux.vnet.ibm.com>
> Acked-by: Christian Borntraeger <borntraeger@...ibm.com>
> 
> Do you want me or Conny to apply these patches add a signoff and resend them?
> Otherwise I will review the s390 specific patches and ack them individually.
> 
If your are OK with me merging this one through kvm.git then just
ack/review all others. I have a small comment on patch 2, but otherwise
the patch series looks OK to me from KVM perspective.

--
			Gleb.
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