[Patch] kexec: fix the missing i386 part in commit 1100580b05e

[Amerigo Wang]

Vivek pointed out that I missed the i386 part in this commit,

	commit 1100580b05e3fdfe648d9be8617d962b11f4b88b
	Author: Amerigo Wang <amwang at redhat.com>
	Date:   Thu Mar 3 00:10:43 2011 +0800

	    get the backup area dynamically

Yes. The customer who reported that bug definitely only
tested it on x86_64. Now make it complete.

Signed-off-by: Amerigo Wang <amwang at redhat.com>
Cc: Vivek Goyal <vgoyal at redhat.com>
Cc: Simon Horman <horms at verge.net.au>

---
diff --git a/kexec/arch/i386/kexec-x86.c b/kexec/arch/i386/kexec-x86.c
index 5c701aa..014ecd5 100644
--- a/kexec/arch/i386/kexec-x86.c
+++ b/kexec/arch/i386/kexec-x86.c
@@ -184,6 +184,10 @@ void arch_update_purgatory(struct kexec_info *info)
 		&arch_options.console_vga, sizeof(arch_options.console_vga));
 	elf_rel_set_symbol(&info->rhdr, "console_serial",
 		&arch_options.console_serial, sizeof(arch_options.console_serial));
+	elf_rel_set_symbol(&info->rhdr, "backup_src_start",
+		&info->backup_src_start, sizeof(info->backup_src_start));
+	elf_rel_set_symbol(&info->rhdr, "backup_src_size",
+		&info->backup_src_size, sizeof(info->backup_src_size));
 	if (info->kexec_flags & KEXEC_ON_CRASH) {
 		panic_kernel = 1;
 		elf_rel_set_symbol(&info->rhdr, "backup_start",