lkml.org 
[lkml]   [2011]   [May]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 1/3] virtio: fix avail event support
make valid flag false, not true, on overrun

Reported-by: Tom Lendacky <tahm@linux.vnet.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
drivers/virtio/virtio_ring.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 57bf9d5..0ea0781 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -242,7 +242,7 @@ add_head:
* kicked_avail index we stored. TODO: make sure all drivers
* kick at least once in 2^16 and remove this. */
if (unlikely(vq->vring.avail->idx == vq->kicked_avail))
- vq->kicked_avail_valid = true;
+ vq->kicked_avail_valid = false;

pr_debug("Added buffer head %i to %p\n", head, vq);
END_USE(vq);
--
1.7.5.53.gc233e


\
 
 \ /
  Last update: 2011-05-05 17:11    [W:0.196 / U:0.616 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site