From: "Michael S. Tsirkin" <mst@redhat.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
virtualization@lists.linux-foundation.org,
Anthony Liguori <anthony@codemonkey.ws>,
kvm@vger.kernel.org, avi@redhat.com,
Carsten Otte <cotte@de.ibm.com>
Subject: Re: [PATCH 1/3] virtio: find_vqs/del_vqs virtio operations
Date: Tue, 12 May 2009 18:33:30 +0300 [thread overview]
Message-ID: <20090512153330.GB26883@redhat.com> (raw)
In-Reply-To: <200905130000.03032.rusty@rustcorp.com.au>
On Wed, May 13, 2009 at 12:00:02AM +0930, Rusty Russell wrote:
> On Tue, 12 May 2009 07:49:32 am Michael S. Tsirkin wrote:
> > This replaces find_vq/del_vq with find_vqs/del_vqs virtio operations,
> > and updates all drivers. This is needed for MSI support, because MSI
> > needs to know the total number of vectors upfront.
>
> Sorry, is this not on top of my virtio_device vq linked list patch?
Not yet, working on that.
> Two other things: prefer vq_callback_t as the type name,
ok
> and perhaps consider
> varargs for the callbacks (or would that be too horrible at the implementation
> end?)
>
> Thanks,
> Rusty.
Ugh ... I think it will be. And AFAIK gcc generates a lot of code
for varargs - not something we want to do in each interrupt handler.
--
MST
next prev parent reply other threads:[~2009-05-12 15:35 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1242080138.git.mst@redhat.com>
2009-05-11 22:19 ` [PATCH 1/3] virtio: find_vqs/del_vqs virtio operations Michael S. Tsirkin
2009-05-12 8:55 ` Christian Borntraeger
2009-05-12 14:30 ` Rusty Russell
2009-05-12 15:33 ` Michael S. Tsirkin [this message]
2009-05-13 1:17 ` Rusty Russell
2009-05-13 7:18 ` Michael S. Tsirkin
2009-05-13 7:26 ` Avi Kivity
2009-05-13 11:33 ` Rusty Russell
2009-05-11 22:19 ` [PATCH 2/3] virtio_pci: split up vp_interrupt Michael S. Tsirkin
2009-05-11 22:19 ` [PATCH 3/3] virtio_pci: optional MSI-X support Michael S. Tsirkin
[not found] <cover.1241700929.git.mst@redhat.com>
2009-05-07 14:10 ` [PATCH 1/3] virtio: find_vqs/del_vqs virtio operations Michael S. Tsirkin
2009-05-08 7:07 ` Rusty Russell
2009-05-08 12:48 ` Michael S. Tsirkin
2009-05-10 4:07 ` Rusty Russell
2009-05-10 7:25 ` Michael S. Tsirkin
2009-05-12 13:03 ` Rusty Russell
2009-05-10 18:51 ` Christian Borntraeger
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