Re: [Qemu-devel] [PATCH 10/10] virtio: combine write of an entry into used ring

[Cornelia Huck]

On Fri, 15 Jan 2016 13:41:58 +0100
Paolo Bonzini <address@hidden> wrote:

> From: Vincenzo Maffione <address@hidden>
> 
> Fill in an element of the used ring with a single combined access to the
> guest physical memory, rather than using two separated accesses.
> This reduces the overhead due to expensive address translation.
> 
> Signed-off-by: Vincenzo Maffione <address@hidden>
> Message-Id: <address@hidden>
> Signed-off-by: Paolo Bonzini <address@hidden>
> ---
>  hw/virtio/virtio.c | 25 ++++++++++++-------------
>  1 file changed, 12 insertions(+), 13 deletions(-)

Reviewed-by: Cornelia Huck <address@hidden>