vhost: reduce stack usage in log_used
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 <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Michael S. Tsirkin <[email protected]>
Acked-by: Jason Wang <[email protected]>
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 9032d3c2..5fe4b47 100644
--- 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. */
