From: Avi Kivity <avi@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org, quintela@redhat.com
Subject: Re: [patch 1/3] KVM: x86: add ioctls to get/set PIO state
Date: Thu, 04 Feb 2010 21:16:47 +0200 [thread overview]
Message-ID: <4B6B1D1F.1080701@redhat.com> (raw)
In-Reply-To: <20100128190411.495771070@redhat.com>
On 01/28/2010 09:03 PM, Marcelo Tosatti wrote:
> A vcpu can be stopped after handling IO in userspace,
> but before returning to kernel to finish processing.
>
>
Is this strictly needed? If we teach qemu to migrate before executing
the pio request, I think we'll be all right? should work at least for
IN/INS, not sure about OUT/OUTS.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2010-02-04 19:16 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 [this message]
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 ` qemu-kvm: do not allow vcpu stop with in progress PIO Avi Kivity
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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