Re: [PATCH] virtio-ring: Use threshold for switching to indirectdescriptors

[Avi Kivity]

On 12/04/2011 07:34 PM, Sasha Levin wrote:
> > 
> > I'm confused. didn't you see a bigger benefit for guest->host by
> > switching indirect off?
>
> The 5% improvement is over the 'regular' indirect on, not over indirect
> off. Sorry for the confusion there.
>
> I suggested this change regardless of the outcome of indirect descriptor
> threshold discussion, since it would help anyways.

For net, this makes sense.  For block, it reduces the effective queue
depth, so it's not a trivial change.  It probably makes sense there too,
though.

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/