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
next reply other threads:[~2020-09-04 10:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-04 10:46 Christophe Leroy [this message]
2020-09-17 11:27 ` [PATCH] powerpc/uaccess: Add pre-update addressing to __put_user_asm_goto() Michael Ellerman
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