Commit 463c9a9f authored by H. Peter Anvin's avatar H. Peter Anvin
Browse files

[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: default avatarH. Peter Anvin <hpa@zytor.com>
parent 59acc08f

arch/i386/boot/edd.c

+1 −1
Original line number Diff line number Diff line
@@ -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");