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From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH] powerpc/uaccess: Add pre-update addressing to __put_user_asm_goto()
Date: Fri,  4 Sep 2020 10:46:47 +0000 (UTC)	[thread overview]
Message-ID: <346f65d677adb11865f7762c25a1ca3c64404ba5.1599216023.git.christophe.leroy@csgroup.eu> (raw)

Enable pre-update addressing mode in __put_user_asm_goto()

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 arch/powerpc/include/asm/uaccess.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 7c2427f237e1..a5cfe867fbdc 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -254,7 +254,7 @@ do {								\
 		"1:	" op "%U1%X1 %0,%1	# put_user\n"	\
 		EX_TABLE(1b, %l2)				\
 		:						\
-		: "r" (x), "m" (*addr)				\
+		: "r" (x), "m<>" (*addr)				\
 		:						\
 		: label)
 
-- 
2.25.0


WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH] powerpc/uaccess: Add pre-update addressing to __put_user_asm_goto()
Date: Fri,  4 Sep 2020 10:46:47 +0000 (UTC)	[thread overview]
Message-ID: <346f65d677adb11865f7762c25a1ca3c64404ba5.1599216023.git.christophe.leroy@csgroup.eu> (raw)

Enable pre-update addressing mode in __put_user_asm_goto()

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 arch/powerpc/include/asm/uaccess.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 7c2427f237e1..a5cfe867fbdc 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -254,7 +254,7 @@ do {								\
 		"1:	" op "%U1%X1 %0,%1	# put_user\n"	\
 		EX_TABLE(1b, %l2)				\
 		:						\
-		: "r" (x), "m" (*addr)				\
+		: "r" (x), "m<>" (*addr)				\
 		:						\
 		: label)
 
-- 
2.25.0


             reply	other threads:[~2020-09-04 10:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-04 10:46 Christophe Leroy [this message]
2020-09-04 10:46 ` [PATCH] powerpc/uaccess: Add pre-update addressing to __put_user_asm_goto() Christophe Leroy
2020-09-17 11:27 ` Michael Ellerman

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