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Date:	Thu, 25 Jan 2007 17:19:51 -0800 (PST)
From:	Roland McGrath <roland@...hat.com>
To:	Andrew Morton <akpm@...l.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, Andi Kleen <ak@...e.de>
Subject: [PATCH] x86_64: fix put_user for 64-bit constant

On x86-64, a put_user call using a 64-bit pointer and a constant value that
is > 0xffffffff will produce code that doesn't assemble.  This patch fixes
the asm construct to use the Z constraint for 32-bit constants.

Signed-off-by: Roland McGrath <roland@...hat.com>
---
 include/asm-x86_64/uaccess.h |   70 +++++++++++++++++++++---------------------
 1 files changed, 35 insertions(+), 35 deletions(-)

diff --git a/include/asm-x86_64/uaccess.h b/include/asm-x86_64/uaccess.h
index d5dbc87..0129c79 100644  
--- a/include/asm-x86_64/uaccess.h
+++ b/include/asm-x86_64/uaccess.h
@@ -157,7 +157,7 @@ do {									\
 	  case 1: __put_user_asm(x,ptr,retval,"b","b","iq",-EFAULT); break;\
 	  case 2: __put_user_asm(x,ptr,retval,"w","w","ir",-EFAULT); break;\
 	  case 4: __put_user_asm(x,ptr,retval,"l","k","ir",-EFAULT); break;\
-	  case 8: __put_user_asm(x,ptr,retval,"q","","ir",-EFAULT); break;\
+	  case 8: __put_user_asm(x,ptr,retval,"q","","Zr",-EFAULT); break;\
 	  default: __put_user_bad();					\
 	}								\
 } while (0)
-
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