[Xen-changelog] [xen master] set pv guest default video_memkb to 0

[patchbot@xxxxxxx]

commit 188336bb86d0992a2a034ece5f39eccc5d10f337
Author:     Zhigang Wang <zhigang.x.wang@xxxxxxxxxx>
AuthorDate: Tue Nov 18 15:57:08 2014 -0500
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Fri Nov 28 11:23:58 2014 +0000

    set pv guest default video_memkb to 0
    
    Before this patch, pv guest video_memkb is -1, which is an invalid value.
    And it will cause the xenstore 'memory/targe' calculation wrong:
    
        memory/target = info->target_memkb - info->video_memkb
    
    Signed-off-by: Zhigang Wang <zhigang.x.wang@xxxxxxxxxx>
    Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 tools/libxl/libxl_create.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/tools/libxl/libxl_create.c b/tools/libxl/libxl_create.c
index b1ff5ae..1198225 100644
--- a/tools/libxl/libxl_create.c
+++ b/tools/libxl/libxl_create.c
@@ -357,6 +357,8 @@ int libxl__domain_build_info_setdefault(libxl__gc *gc,
         break;
     case LIBXL_DOMAIN_TYPE_PV:
         libxl_defbool_setdefault(&b_info->u.pv.e820_host, false);
+        if (b_info->video_memkb == LIBXL_MEMKB_DEFAULT)
+            b_info->video_memkb = 0;
         if (b_info->shadow_memkb == LIBXL_MEMKB_DEFAULT)
             b_info->shadow_memkb = 0;
         if (b_info->u.pv.slack_memkb == LIBXL_MEMKB_DEFAULT)
--
generated by git-patchbot for /home/xen/git/xen.git#master

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