From: Daniel Kiper <daniel.kiper@oracle.com>
Date: Thu, 23 Oct 2014 08:22:52 +0000 (+0200)
Subject: x86/boot: add memory to clobber list in reloc_mbi_struct()
X-Git-Tag: 4.5.0-rc2~54
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=04dbb22e89c0e5f947e509d4728354923082264a;p=xen.git

x86/boot: add memory to clobber list in reloc_mbi_struct()

Assembly inline in reloc_mbi_struct() clobbers
memory so tell compiler about that.

Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
---

diff --git a/xen/arch/x86/boot/reloc.c b/xen/arch/x86/boot/reloc.c
index 4609e55625..f9719205a4 100644
--- a/xen/arch/x86/boot/reloc.c
+++ b/xen/arch/x86/boot/reloc.c
@@ -46,7 +46,7 @@ static void *reloc_mbi_struct(void *old, unsigned int bytes)
     "    mov  %0,%%edi                \n"
     "    rep  movsb                   \n"
        : "=&r" (new), "+c" (bytes), "+S" (old)
-	: : "edx", "edi");
+	: : "edx", "edi", "memory");
     return new;
 }