On 2020/9/15 上午2:08, Li Wang wrote:
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@xxxxxxxxxxxxx>
---
drivers/vhost/vhost.c | 2 +-
drivers/vhost/vhost.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index b45519c..31837a5
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1884,7 +1884,7 @@ 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)
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 9032d3c..5fe4b47
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -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. */
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
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