From: Stefano Stabellini <stefano.stabellini@xilinx.com>
Date: Thu, 21 May 2020 19:26:27 +0000 (-0700)
Subject: xen/9pfs: increase max ring order to 9
X-Git-Tag: v5.1.0-rc0~110^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=84af75577cceb195b044e2d5ba6d940206b169ca;p=thirdparty%2Fqemu.git

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>
---

diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c
index 3c84c86ab87..a969fcc54c3 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;