Commit 5a4e0f58 authored by Heiko Carstens's avatar Heiko Carstens Committed by Vasily Gorbik
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s390/ipl: use register pair instead of register asm 



Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent da905757

arch/s390/kernel/ipl.c

+8 −6
Original line number Diff line number Diff line
@@ -162,16 +162,18 @@ static bool reipl_ccw_clear; 


static inline int __diag308(unsigned long subcode, void *addr)

{

	register unsigned long _addr asm("0") = (unsigned long) addr;

	register unsigned long _rc asm("1") = 0;

	union register_pair r1;



	r1.even = (unsigned long) addr;

	r1.odd	= 0;

	asm volatile(

		"	diag	%0,%2,0x308\n"

		"	diag	%[r1],%[subcode],0x308\n"

		"0:	nopr	%%r7\n"

		EX_TABLE(0b,0b)

		: "+d" (_addr), "+d" (_rc)

		: "d" (subcode) : "cc", "memory");

	return _rc;

		: [r1] "+&d" (r1.pair)

		: [subcode] "d" (subcode)

		: "cc", "memory");

	return r1.odd;

}



int diag308(unsigned long subcode, void *addr)