renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-02 10:43:57 +08:00
Code

vhost: reduce stack usage in log_used

Browse Source 
Fix the warning: [-Werror=-Wframe-larger-than=]

drivers/vhost/vhost.c: In function log_used:
drivers/vhost/vhost.c:1906:1:
warning: the frame size of 1040 bytes is larger than 1024 bytes

Signed-off-by: Li Wang <li.wang@windriver.com>
Link: https://lore.kernel.org/r/1600106889-25013-1-git-send-email-li.wang@windriver.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Li Wang 2020-09-15 02:08:09 +08:00 committed by Michael S. Tsirkin
parent 7ab4de6002
commit 5e5e8736ad
2 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/vhost/vhost.c
View File

@ -1897,7 +1897,7 @@ static int log_write_hva(struct vhost_virtqueue *vq, u64 hva, u64 len)
static int log_used(struct vhost_virtqueue *vq, u64 used_offset, u64 len)
{
struct iovec iov[64];
struct iovec *iov = vq->log_iov;
int i, ret;
if (!vq->iotlb)

1
drivers/vhost/vhost.h
View File

@ -123,6 +123,7 @@ struct vhost_virtqueue {
/* Log write descriptors */
void __user *log_base;
struct vhost_log *log;
struct iovec log_iov[64];
/* Ring endianness. Defaults to legacy native endianness.
* Set to true when starting a modern virtio device. */