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From: Rusty Russell <rusty@rustcorp.com.au>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: virtualization@lists.linux-foundation.org,
	Anthony Liguori <anthony@codemonkey.ws>,
	kvm@vger.kernel.org, avi@redhat.com
Subject: Re: [PATCH 1/8] virtio: add request_vqs/free_vqs operations
Date: Mon, 4 May 2009 21:02:20 +0930	[thread overview]
Message-ID: <200905042102.21218.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20090427123153.GA1156@redhat.com>

On Mon, 27 Apr 2009 10:01:53 pm Michael S. Tsirkin wrote:
> This adds 2 new optional virtio operations: request_vqs/free_vqs. They will be
> used for MSI support, because MSI needs to know the total number of vectors
> upfront.
> 
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

Hi Michael,

  Thanks for this work!  But this interface is horrible.  Either probe for the
number of vqs in virtio_pci, or change find_vq to

	int (*find_vqs)(struct virtio_device *, unsigned max,
						     struct virtqueue *vqs[]);

Thanks,
Rusty.

  parent reply	other threads:[~2009-05-04 11:32 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1240832196.git.mst@redhat.com>
2009-04-27 12:31 ` [PATCH 1/8] virtio: add request_vqs/free_vqs operations Michael S. Tsirkin
2009-05-04 11:32   ` Rusty Russell
2009-05-04 11:32   ` Rusty Russell [this message]
2009-05-04 11:51     ` Michael S. Tsirkin
2009-05-04 11:51     ` Michael S. Tsirkin
2009-04-27 12:31 ` Michael S. Tsirkin
2009-04-27 12:32 ` [PATCH 2/8] virtio_blk: add request_vqs/free_vqs calls Michael S. Tsirkin
2009-04-27 12:32 ` Michael S. Tsirkin
2009-04-27 12:32 ` [PATCH 3/8] virtio-rng: " Michael S. Tsirkin
2009-04-27 12:32 ` Michael S. Tsirkin
2009-04-27 12:32 ` [PATCH 4/8] virtio_console: " Michael S. Tsirkin
2009-04-27 12:32 ` Michael S. Tsirkin
2009-04-27 12:32 ` [PATCH 5/8] virtio_net: " Michael S. Tsirkin
2009-04-27 12:32 ` Michael S. Tsirkin
2009-04-27 12:33 ` [PATCH 6/8] virtio_balloon: " Michael S. Tsirkin
2009-04-27 12:33 ` Michael S. Tsirkin
2009-04-27 12:33 ` [PATCH 7/8] virtio_pci: split up vp_interrupt Michael S. Tsirkin
2009-04-27 12:33 ` Michael S. Tsirkin
2009-04-27 12:33 ` [PATCH 8/8] virtio_pci: optional MSI-X support Michael S. Tsirkin
2009-04-27 12:33 ` Michael S. Tsirkin

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