I'm wondering if we can switch to using a linked list 'capabilities'
structure similar to whats being done with PCI capabilities.
Here are the pros and the cons as I see them:
Pros:
* Simpler code - currently before each access to the virtio config
space we have to check whether MSI-X is on and
On Mon, 22 Aug 2011 11:36:13 +0300, "Michael S. Tsirkin"
wrote:
> Yes. Or maybe 'WHEN' - since if MSI-X is disabled again, it moves back.
> Let's update the spec to make it clearer?
I left the language as is, but added a footnote at the end of the
sentence:
If MSI-X is enabled for the device, t
On Mon, Aug 22, 2011 at 09:54:50AM +0930, Rusty Russell wrote:
> On Fri, 19 Aug 2011 18:23:35 +0300, "Michael S. Tsirkin"
> wrote:
> > On Sat, Aug 13, 2011 at 11:51:01AM +0300, Sasha Levin wrote:
> > > The MAC of a virtio-net device is located at the first field of the device
> > > specific heade
On Fri, 19 Aug 2011 18:23:35 +0300, "Michael S. Tsirkin"
wrote:
> On Sat, Aug 13, 2011 at 11:51:01AM +0300, Sasha Levin wrote:
> > The MAC of a virtio-net device is located at the first field of the device
> > specific header. This header is located at offset 20 if the device doesn't
> > support
On Fri, Aug 19, 2011 at 07:33:07PM +0300, Sasha Levin wrote:
> On Fri, 2011-08-19 at 18:23 +0300, Michael S. Tsirkin wrote:
> > On Sat, Aug 13, 2011 at 11:51:01AM +0300, Sasha Levin wrote:
> > > The MAC of a virtio-net device is located at the first field of the device
> > > specific header. This h
On Fri, 2011-08-19 at 18:23 +0300, Michael S. Tsirkin wrote:
> On Sat, Aug 13, 2011 at 11:51:01AM +0300, Sasha Levin wrote:
> > The MAC of a virtio-net device is located at the first field of the device
> > specific header. This header is located at offset 20 if the device doesn't
> > support MSI-X
On Sat, Aug 13, 2011 at 11:51:01AM +0300, Sasha Levin wrote:
> The MAC of a virtio-net device is located at the first field of the device
> specific header. This header is located at offset 20 if the device doesn't
> support MSI-X or offset 24 if it does.
>
> Current code in virtnet_probe() used t
On Mon, 2011-08-15 at 09:55 +0930, Rusty Russell wrote:
> On Sun, 14 Aug 2011 16:57:32 +0300, Sasha Levin
> wrote:
> > On Sun, 2011-08-14 at 12:23 +0930, Rusty Russell wrote:
> > > On Sat, 13 Aug 2011 11:51:01 +0300, Sasha Levin
> > > wrote:
> > > > The MAC of a virtio-net device is located at
On Sun, 14 Aug 2011 16:57:32 +0300, Sasha Levin wrote:
> On Sun, 2011-08-14 at 12:23 +0930, Rusty Russell wrote:
> > On Sat, 13 Aug 2011 11:51:01 +0300, Sasha Levin
> > wrote:
> > > The MAC of a virtio-net device is located at the first field of the device
> > > specific header. This header is l
On Sun, 2011-08-14 at 12:23 +0930, Rusty Russell wrote:
> On Sat, 13 Aug 2011 11:51:01 +0300, Sasha Levin
> wrote:
> > The MAC of a virtio-net device is located at the first field of the device
> > specific header. This header is located at offset 20 if the device doesn't
> > support MSI-X or off
On Sat, 13 Aug 2011 11:51:01 +0300, Sasha Levin wrote:
> The MAC of a virtio-net device is located at the first field of the device
> specific header. This header is located at offset 20 if the device doesn't
> support MSI-X or offset 24 if it does.
Erk. This means, in general, we have to do vir
The MAC of a virtio-net device is located at the first field of the device
specific header. This header is located at offset 20 if the device doesn't
support MSI-X or offset 24 if it does.
Current code in virtnet_probe() used to probe the MAC before checking for
MSI-X, which means that the read wa
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