Stefano Stabellini
2011-Nov-08 12:18 UTC
[Xen-devel] [PATCH] Add a vkbd frontend/backend pair for HVM guests
Linux PV on HVM guests can use vkbd, so add a vkbd frontend/backend pair
for HVM guests by default.
It is useful because it doesn''t require frequent qemu wakeups as the
usb
keyboard/mouse does.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
diff -r 54a5e994a241 tools/libxl/libxl_create.c
--- a/tools/libxl/libxl_create.c Wed Nov 02 17:09:09 2011 +0000
+++ b/tools/libxl/libxl_create.c Tue Nov 08 11:30:16 2011 +0000
@@ -507,6 +507,7 @@ static int do_domain_create(libxl__gc *g
case LIBXL_DOMAIN_TYPE_HVM:
{
libxl_device_console console;
+ libxl_device_vkb vkb;
ret = init_console_info(&console, 0);
if ( ret )
@@ -514,6 +515,12 @@ static int do_domain_create(libxl__gc *g
libxl__device_console_add(gc, domid, &console, &state);
libxl_device_console_dispose(&console);
+ ret = libxl_device_vkb_init(ctx, &vkb);
+ if ( ret )
+ goto error_out;
+ libxl_device_vkb_add(ctx, domid, &vkb);
+ libxl_device_vkb_dispose(&vkb);
+
dm_info->domid = domid;
ret = libxl__create_device_model(gc, dm_info,
d_config->disks,
d_config->num_disks,
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Ian Jackson
2011-Nov-22 16:19 UTC
Re: [PATCH] Add a vkbd frontend/backend pair for HVM guests
Stefano Stabellini writes ("[Xen-devel] [PATCH] Add a vkbd frontend/backend
pair for HVM guests"):> Linux PV on HVM guests can use vkbd, so add a vkbd frontend/backend pair
> for HVM guests by default.
> It is useful because it doesn''t require frequent qemu wakeups as
the usb
> keyboard/mouse does.
>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>