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From: Rusty Russell <rusty@rustcorp.com.au>
To: Amit Shah <amit.shah@redhat.com>
Cc: virtualization@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org,
	"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH] virtio-pci: make reset operation safer
Date: Mon, 21 Nov 2011 15:15:50 +1030	[thread overview]
Message-ID: <87obw69j7l.fsf@rustcorp.com.au> (raw)
In-Reply-To: <20111117154114.GA31281@redhat.com>

On Thu, 17 Nov 2011 17:41:15 +0200, "Michael S. Tsirkin" <mst@redhat.com> wrote:
> virtio pci device reset actually just does an I/O
> write, which in PCI is really posted, that is it
> can complete on CPU before the device has received it.

Thanks, applied.  Because it's a theoretical issue, I've not cc'd
stable.

Thanks,
Rusty.

WARNING: multiple messages have this Message-ID (diff)
From: Rusty Russell <rusty@rustcorp.com.au>
To: "Michael S. Tsirkin" <mst@redhat.com>, Amit Shah <amit.shah@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
	virtualization@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] virtio-pci: make reset operation safer
Date: Mon, 21 Nov 2011 15:15:50 +1030	[thread overview]
Message-ID: <87obw69j7l.fsf@rustcorp.com.au> (raw)
In-Reply-To: <20111117154114.GA31281@redhat.com>

On Thu, 17 Nov 2011 17:41:15 +0200, "Michael S. Tsirkin" <mst@redhat.com> wrote:
> virtio pci device reset actually just does an I/O
> write, which in PCI is really posted, that is it
> can complete on CPU before the device has received it.

Thanks, applied.  Because it's a theoretical issue, I've not cc'd
stable.

Thanks,
Rusty.

  reply	other threads:[~2011-11-21  4:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-17 15:41 [PATCH] virtio-pci: make reset operation safer Michael S. Tsirkin
2011-11-17 15:41 ` Michael S. Tsirkin
2011-11-21  4:45 ` Rusty Russell [this message]
2011-11-21  4:45   ` Rusty Russell

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