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From: Avi Kivity <avi@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org, quintela@redhat.com, Gleb Natapov <gleb@redhat.com>
Subject: Re: qemu-kvm: do not allow vcpu stop with in progress PIO
Date: Thu, 18 Feb 2010 15:24:46 +0200	[thread overview]
Message-ID: <4B7D3F9E.1050503@redhat.com> (raw)
In-Reply-To: <20100209205805.GA25144@amt.cnet>

On 02/09/2010 10:58 PM, Marcelo Tosatti wrote:
> You're right... this should be enough to avoid a stop with uncomplete
> PIO (and this is what happens for MMIO already). The signal will not
> be dequeued, so KVM will complete_pio and exit before entering with
> -EAGAIN. Please review and queue for stable.
>
> qemu upstream needs a bit more work.
>
> -------
>
> Re-enter the kernel to complete in progress PIO. Otherwise the
> operation can be lost during migration.
>
>    

Thanks - applied to master and 0.12.

-- 
error compiling committee.c: too many arguments to function


  parent reply	other threads:[~2010-02-18 13:24 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-28 19:03 [patch 0/3] save/restore in-progress PIO Marcelo Tosatti
2010-01-28 19:03 ` [patch 1/3] KVM: x86: add ioctls to get/set PIO state Marcelo Tosatti
2010-02-04 19:16   ` Avi Kivity
2010-02-04 21:36     ` Marcelo Tosatti
2010-02-04 21:46       ` Avi Kivity
2010-02-04 22:12         ` Marcelo Tosatti
2010-02-04 22:45           ` Marcelo Tosatti
2010-02-08 22:41         ` Marcelo Tosatti
2010-02-09  6:38           ` Avi Kivity
2010-02-09 18:23             ` Marcelo Tosatti
2010-02-09 20:58             ` qemu-kvm: do not allow vcpu stop with in progress PIO Marcelo Tosatti
2010-02-10  7:02               ` Avi Kivity
2010-02-10 16:25                 ` Marcelo Tosatti
2010-02-10 16:40                   ` Avi Kivity
2010-02-10 16:52                     ` Alexander Graf
2010-02-10 17:01                       ` Avi Kivity
2010-02-10 17:03                         ` Alexander Graf
2010-02-10 17:08                           ` Avi Kivity
2010-02-10 17:07                         ` Gleb Natapov
2010-02-10 17:08                           ` Avi Kivity
2010-02-13 18:10                     ` KVM: add doc note about PIO/MMIO completion API Marcelo Tosatti
2010-02-14  8:17                       ` Avi Kivity
2010-02-17  9:22                         ` Avi Kivity
2010-02-18 13:24               ` Avi Kivity [this message]
2010-01-28 19:03 ` [patch 2/3] uqmaster: save/restore pio state Marcelo Tosatti
2010-01-28 19:03 ` [patch 3/3] uqmaster: save/restore PIO page Marcelo Tosatti
2010-01-28 20:24   ` Anthony Liguori
2010-01-28 21:10     ` Marcelo Tosatti

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