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authorH. Peter Anvin <hpa@zytor.com>2007-08-02 13:45:49 -0400
committerH. Peter Anvin <hpa@zytor.com>2007-08-02 13:45:49 -0400
commit463c9a9f7d1f746c251761cef3af5c808394b7e1 (patch)
treee75e2ed51e5a1371c8541845769ca6c20ae6ef69
parent59acc08fd95aefb5430458a08a82b15a4174ed74 (diff)
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[x86 setup] EDD: add missing =m constraint
Add a missing =m constraint to the EDD-probing code, that could have caused improper dead-code elimination. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-rw-r--r--arch/i386/boot/edd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/i386/boot/edd.c b/arch/i386/boot/edd.c
index 77d92daf7923..658834d9f92a 100644
--- a/arch/i386/boot/edd.c
+++ b/arch/i386/boot/edd.c
@@ -127,7 +127,7 @@ static int get_edd_info(u8 devno, struct edd_info *ei)
ax = 0x4800;
dx = devno;
asm("pushfl; int $0x13; popfl"
- : "+a" (ax), "+d" (dx)
+ : "+a" (ax), "+d" (dx), "=m" (ei->params)
: "S" (&ei->params)
: "ebx", "ecx", "edi");