From: Stefano Stabellini <sstabellini@kernel.org>
Date: Tue, 14 Aug 2018 22:13:09 +0000 (-0700)
Subject: libxl: start pvqemu when 9pfs is requested
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~1
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=5acdd26fdc2fb9801ba94ede643cf469fbae50c1;p=xen.git

libxl: start pvqemu when 9pfs is requested

PV 9pfs requires the PV backend in QEMU. Make sure that libxl knows it.

Signed-off-by: Stefano Stabellini <stefanos@xilinx.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
(cherry picked from commit 47bc2c29b5a875e5f4abd36f2cb9faa594299f6c)
---

diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index bad3ef5b67..b00afe1d13 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -2596,7 +2596,7 @@ int libxl__need_xenpv_qemu(libxl__gc *gc, libxl_domain_config *d_config)
         goto out;
     }
 
-    if (d_config->num_vfbs > 0) {
+    if (d_config->num_vfbs > 0 || d_config->num_p9s > 0) {
         ret = 1;
         goto out;
     }