commit 84af75577cceb195b044e2d5ba6d940206b169ca
author Stefano Stabellini <stefano.stabellini@xilinx.com> Thu May 21 12:26:27 2020 -0700
committer Greg Kurz <groug@kaod.org> Mon May 25 11:45:40 2020 +0200
tree 1ced21aefb25b70641766fe857ea749c33ae6c54
parent a4c4d462729466c4756bac8a0a8d77eb63b21ef7

xen/9pfs: increase max ring order to 9

The max order allowed by the protocol is 9. Increase the max order
supported by QEMU to 9 to increase performance.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Message-Id: <20200521192627.15259-3-sstabellini@kernel.org>
Signed-off-by: Greg Kurz <groug@kaod.org>

hw/9pfs/xen-9p-backend.c

diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c
index 3c84c86..a969fcc 100644
--- a/hw/9pfs/xen-9p-backend.c
+++ b/hw/9pfs/xen-9p-backend.c
@@ -21,7 +21,7 @@
 
 #define VERSIONS "1"
 #define MAX_RINGS 8
-#define MAX_RING_ORDER 8
+#define MAX_RING_ORDER 9
 
 typedef struct Xen9pfsRing {
     struct Xen9pfsDev *priv;