From: Nicolas Pitre <nico@cam.org>
Date: Tue, 4 Oct 2005 22:17:53 +0000 (+0100)
Subject: [ARM] 2952/1: fix a register clobber list
X-Git-Tag: v2.6.14-rc4~47^2
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=c2f480869fa7559fa3532e415e3e3ec49339f208;p=linux-2.6-omap-h63xx.git

[ARM] 2952/1: fix a register clobber list

Patch from Nicolas Pitre

If gcc decides to assign lr to %0 we're screwed.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c
index 42629ff84f5..ea569ba482b 100644
--- a/arch/arm/kernel/sys_arm.c
+++ b/arch/arm/kernel/sys_arm.c
@@ -305,7 +305,7 @@ long execve(const char *filename, char **argv, char **envp)
 		  "Ir" (THREAD_START_SP - sizeof(regs)),
 		  "r" (&regs),
 		  "Ir" (sizeof(regs))
-		: "r0", "r1", "r2", "r3", "ip", "memory");
+		: "r0", "r1", "r2", "r3", "ip", "lr", "memory");
 
  out:
 	return ret;