From: Uros Bizjak <ubizjak@gmail.com>
Date: Sun, 19 Jul 2009 16:06:35 +0000 (+0200)
Subject: x86: Fix movq immediate operand constraints in uaccess_64.h
X-Git-Tag: v2.6.31-rc5~87^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=155b73529583c38f30fd394d692b15a893960782;p=pandora-kernel.git

x86: Fix movq immediate operand constraints in uaccess_64.h

arch/x86/include/asm/uaccess_64.h uses wrong asm operand constraint
("ir") for movq insn. Since movq sign-extends its immediate operand,
"er" constraint should be used instead.

Attached patch changes all uses of __put_user_asm in uaccess_64.h to use
"er" when "q" insn suffix is involved.

Patch was compile tested on x86_64 with defconfig.

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: stable@kernel.org
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