linux-kernel - [S390] Simplify virt_to

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Message-ID: <20070126164851.GG11609@skybase>
Date:	Fri, 26 Jan 2007 17:48:51 +0100
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
Cc:	heiko.carstens@...ibm.com
Subject: [S390] Simplify virt_to_phys.

From: Heiko Carstens <heiko.carstens@...ibm.com>

[S390] Simplify virt_to_phys.

No need to use lrag in 64 bit addressing mode since lra will do the
same.

Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@...ibm.com>
---

 include/asm-s390/io.h |    4 ----
 1 files changed, 4 deletions(-)

diff -urpN linux-2.6/include/asm-s390/io.h linux-2.6-patched/include/asm-s390/io.h
--- linux-2.6/include/asm-s390/io.h	2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6-patched/include/asm-s390/io.h	2007-01-26 17:27:52.000000000 +0100
@@ -28,11 +28,7 @@ static inline unsigned long virt_to_phys
 {
 	unsigned long real_address;
 	asm volatile(
-#ifndef __s390x__
 		 "	lra	%0,0(%1)\n"
-#else /* __s390x__ */
-		 "	lrag	%0,0(%1)\n"
-#endif /* __s390x__ */
 		 "	jz	0f\n"
 		 "	la	%0,0\n"
                  "0:"
-
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