From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andre Przywara <andre.przywara@amd.com>
Subject: [PATCH 3/3]: xl: allow long listing of Domain 0
Date: Mon, 9 Aug 2010 15:55:41 +0200
Message-ID: <4C6008DD.4040306@amd.com>
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To: Yang Hongyang <yanghy@cn.fujitsu.com>, Keir Fraser <keir.fraser@eu.citrix.com>
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Hi,

currently xl list aborts when one tries to list -l Domain 0 (either 
explicitly or by listing all domains):
# xl list -l 0
Neither kernel nor bootloader specified

Ignore this error message (which is invalid for Dom0). I haven't found 
an obvious way to check for Dom0 before printing this message, so I 
simply removed the exit() call here.

Regards,
Andre.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>

-- 
Andre Przywara
AMD-Operating System Research Center (OSRC), Dresden, Germany
Tel: +49 351 448-3567-12

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diff -r 8992134dcfd0 tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c	Wed Aug 04 19:24:17 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.c	Mon Aug 09 16:03:33 2010 +0200
@@ -454,7 +454,7 @@
         printf("\t\t)\n");
     } else {
         printf("\t\t(linux %d)\n", b_info->hvm);
-        printf("\t\t\t(kernel %s)\n", b_info->kernel.path);
+        printf("\t\t\t(kernel %s)\n", b_info->kernel.path ?: "");
         printf("\t\t\t(cmdline %s)\n", b_info->u.pv.cmdline);
         printf("\t\t\t(ramdisk %s)\n", b_info->u.pv.ramdisk.path);
         printf("\t\t)\n");
@@ -706,7 +706,6 @@
 
         if (!b_info->u.pv.bootloader && !b_info->kernel.path) {
             fprintf(stderr, "Neither kernel nor bootloader specified\n");
-            exit(1);
         }
 
         b_info->u.pv.cmdline = cmdline;

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