libxl: User defined max_maptrack_frames in a stub domain

[PATCH] libxl: User defined max_maptrack_frames in a stub domain

Dmitry Fedorov posted 1 patch 3 years, 7 months ago

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tools/libxl/libxl_dm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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[PATCH] libxl: User defined max_maptrack_frames in a stub domain

Posted by Dmitry Fedorov 3 years, 7 months ago

Hi,

Implementing qrexec+usbip+qemu in Linux-based stub domain leads me to
an issue where a device model stub domain doesn't have maptrack entries.

Would it be possible to apply a user defined max_maptrack_frames value 
to dm_config in the same way as for max_grant_frames?

Signed-off-by: Dmitry Fedorov <d.fedorov@tabit.pro>
---
  tools/libxl/libxl_dm.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index f2dc5696b9..f044f2566c 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -2292,7 +2292,7 @@ void libxl__spawn_stub_dm(libxl__egc *egc, 
libxl__stub_dm_spawn_state *sdss)
      dm_config->b_info.target_memkb = dm_config->b_info.max_memkb;

      dm_config->b_info.max_grant_frames = 
guest_config->b_info.max_grant_frames;
-    dm_config->b_info.max_maptrack_frames = 0;
+    dm_config->b_info.max_maptrack_frames = 
guest_config->b_info.max_maptrack_frames;

      dm_config->b_info.u.pv.features = "";

--
2.26.2