Re: [PATCH v2 0/2] virtio/vhost: fix alignment requirements
From: Michael S. Tsirkin
Date: Thu Dec 25 2014 - 10:06:04 EST
On Thu, Dec 25, 2014 at 05:05:01PM +0200, Michael S. Tsirkin wrote:
> vhost incorrectly asked for 8 byte alignment for
> used ring pointer, it should be 4 byte.
> Let's add explicit macros for ring element alignment,
> this makes it easier to make sure our requirements
> match the spec.
> Rusty, OK to merge this through my vhost tree, or do you
> prefer merging this through yours?
Just to clarify, this is needed in 3.19.
> Michael S. Tsirkin (2):
> virtio_ring: document alignment requirements
> vhost: relax used address alignment
> include/uapi/linux/virtio_ring.h | 7 +++++++
> drivers/vhost/vhost.c | 10 +++++++---
> 2 files changed, 14 insertions(+), 3 deletions(-)
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