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From: Avi Kivity <avi@redhat.com>
To: Saul Tamari <stamari@gmail.com>
Cc: Michael Tokarev <mjt@tls.msk.ru>,
	Anthony Liguori <anthony@codemonkey.ws>,
	kvm <kvm@vger.kernel.org>
Subject: Re: block virtio excessive VIRTIO_PCI_ISR reads
Date: Sun, 01 Nov 2009 11:23:49 +0200	[thread overview]
Message-ID: <4AED53A5.4050701@redhat.com> (raw)
In-Reply-To: <41be791c0910290847s53cd057bn1d25fb0eba7ff098@mail.gmail.com>

On 10/29/2009 05:47 PM, Saul Tamari wrote:
> Hi,
>
> The current qemu-kvm from the git indeed adds the MSI-x capability to
> the virtio block device.
> With MSI-x enabled on the virtio block device, there aren't
> VIRTIO_PCI_ISR reads on the unused device.
>    

There shouldn't be VIRTIO_PCI_ISR reads on any device, not just the 
unused ones, if all are MSI-X capable.

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


  reply	other threads:[~2009-11-01  9:24 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-28 14:40 block virtio excessive VIRTIO_PCI_ISR reads Saul Tamari
2009-10-28 14:48 ` Anthony Liguori
2009-10-28 14:59   ` Michael Tokarev
2009-10-28 15:04     ` Saul Tamari
2009-10-28 15:52       ` Saul Tamari
2009-10-29 10:10       ` Avi Kivity
2009-10-29 15:47         ` Saul Tamari
2009-11-01  9:23           ` Avi Kivity [this message]
2009-11-01 11:16             ` Saul Tamari

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