File 20418-x86-parse-edd.patch of Package xen

# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1257797208 0
# Node ID ad0419c835c806e470802065fe44a59fbd725cdf
# Parent  9b393d47b22ae261ac45d503d9370567b8db88b4
cmdline_parse_early: fix parse 'edd=' option

If 'edd='is default, it should decrease "opt_edd" not "opt_edid"

Signed-off-by: Xiao Guangrong <ericxiao.gr@gmail.com>

--- a/xen/arch/x86/boot/cmdline.S
+++ b/xen/arch/x86/boot/cmdline.S
@@ -191,7 +191,7 @@ cmdline_parse_early:
         decb    bootsym_phys(opt_edd)     /* opt_edd=1: edd=skipmbr */
         cmpw    $0x6b73,(%eax)            /* 0x6b73 == "sk" */
         je      .Lparse_edid
-        decb    bootsym_phys(opt_edid)    /* opt_edd=0: edd=on (default) */
+        decb    bootsym_phys(opt_edd)     /* opt_edd=0: edd=on (default) */
 
 .Lparse_edid:
         /* Check for 'edid=' command-line option. */