[Xen-devel] [PATCH V2 1/1] libxl: set stub domain size based on VRAM size

[Eric Shelton <eshelton@xxxxxxxxx>]

Allocate additional memory to the stub domain for qemu-traditional if
more than 4 MB is assigned to the video adapter to avoid out of memory
condition for QEMU.

Signed-off-by: Eric Shelton <eshelton@xxxxxxxxx>
---
 tools/libxl/libxl_dm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index 317a8eb..9a5a937 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -1087,6 +1087,7 @@ void libxl__spawn_stub_dm(libxl__egc *egc, 
libxl__stub_dm_spawn_state *sdss)
 
     dm_config->b_info.max_vcpus = 1;
-    dm_config->b_info.max_memkb = 32 * 1024;
+    dm_config->b_info.max_memkb = 28 * 1024 +
+        max(guest_config->b_info.video_memkb, 4096);
     dm_config->b_info.target_memkb = dm_config->b_info.max_memkb;
 
     dm_config->b_info.u.pv.features = "";
-- 
2.1.0


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