[Xen-changelog] [xen-unstable] hvm: Allow blktap to be able to be booted as system volume for PV-on-HVM

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Date 1183728179 -3600
# Node ID 7ac7f147241405af83e7a9d748cf7b01279734fc
# Parent  b01225c94f83ad704ac3467f7e5a609d5f2adafe
hvm: Allow blktap to be able to be booted as system volume for PV-on-HVM

When blktap was booting system volume, PV-on-HVM domain was not able
to be  started.

The configuration file is specified as follows.
disk = [ 'tap:aio:/xen/test/rhel5ga_full.img,hda,w' ]

The error occurred by the initialization of system volume in qemu-dm.
qemu: could not open hard disk image 'aio:/xen/test/rhel5ga_full.img'

Signed-off-by: Takanori Kasai <kasai.takanori@xxxxxxxxxxxxxx>
Signed-off-by: Tomonari Horikoshi <t.horikoshi@xxxxxxxxxxxxxx>
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@xxxxxxxxxxxxxx>
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 tools/ioemu/xenstore.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff -r b01225c94f83 -r 7ac7f1472414 tools/ioemu/xenstore.c
--- a/tools/ioemu/xenstore.c    Fri Jul 06 11:17:01 2007 +0100
+++ b/tools/ioemu/xenstore.c    Fri Jul 06 14:22:59 2007 +0100
@@ -173,10 +173,12 @@ void xenstore_parse_domain_config(int do
         }
         /* open device now if media present */
         if (params[0]) {
+            char *p = strchr(params, ':');
+            p = p ? p+1 : params; /* skip colon separator if present */
             if (bdrv_open(bs_table[hd_index + (is_scsi ? MAX_DISKS : 0)],
-                          params, 0 /* snapshot */) < 0)
+                          p, 0 /* snapshot */) < 0)
                 fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
-                        params);
+                        p);
         }
     }
 

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