32 lines
1.4 KiB
Diff
32 lines
1.4 KiB
Diff
|
Subject: libxl: No emulated disk driver for xvdX disk
|
||
|
|
From: Anthony PERARD anthony.perard@citrix.com Wed Oct 14 12:05:17 2015 +0100
|
||
|
|
Date: Thu Oct 22 16:10:31 2015 +0100:
|
||
|
|
Git: c0c099d157cc5bc942afef766cf141628a6380a1
|
||
|
|
|
||
|
|
When a guest configuration list xvdX for its disks, there is no need to
|
||
|
|
provide an emulated driver for the same target.
|
||
|
|
|
||
|
|
Such configuration can work with the OVMF firmware, as it supports PV
|
||
|
|
disk.
|
||
|
|
|
||
|
|
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
|
||
|
|
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
|
||
|
|
|
||
|
|
Index: xen-4.6.0-testing/tools/libxl/libxl_dm.c
|
||
|
|
===================================================================
|
||
|
|
--- xen-4.6.0-testing.orig/tools/libxl/libxl_dm.c
|
||
|
|
+++ xen-4.6.0-testing/tools/libxl/libxl_dm.c
|
||
|
|
@@ -1152,6 +1152,12 @@ static int libxl__build_device_model_arg
|
||
|
|
drive = libxl__sprintf
|
||
|
|
(gc, "file=%s,if=scsi,bus=0,unit=%d,format=%s,cache=writeback",
|
||
|
|
pdev_path, disk, format);
|
||
|
|
+ else if (strncmp(disks[i].vdev, "xvd", 3) == 0)
|
||
|
|
+ /*
|
||
|
|
+ * Do not add any emulated disk when PV disk are
|
||
|
|
+ * explicitly asked for.
|
||
|
|
+ */
|
||
|
|
+ continue;
|
||
|
|
else if (disk < 6 && b_info->u.hvm.hdtype == LIBXL_HDTYPE_AHCI) {
|
||
|
|
flexarray_vappend(dm_args, "-drive",
|
||
|
|
GCSPRINTF("file=%s,if=none,id=ahcidisk-%d,format=%s,cache=writeback",
|