Commit 2bd67038 authored by Heiko Carstens's avatar Heiko Carstens Committed by Vasily Gorbik
Browse files

s390/mm,pages-states: get rid of register asm 



There is no reason to use fixed registers for the essa
instruction. Therefore remove the register asm construct.

Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 7e86f967

arch/s390/mm/page-states.c

+6 −6
Original line number Diff line number Diff line
@@ -31,17 +31,17 @@ __setup("cmma=", cmma); 


static inline int cmma_test_essa(void)

{

	register unsigned long tmp asm("0") = 0;

	register int rc asm("1");

	unsigned long tmp = 0;

	int rc = -EOPNOTSUPP;



	/* test ESSA_GET_STATE */

	asm volatile(

		"	.insn	rrf,0xb9ab0000,%1,%1,%2,0\n"

		"0:     la      %0,0\n"

		"	.insn	rrf,0xb9ab0000,%[tmp],%[tmp],%[cmd],0\n"

		"0:     la      %[rc],0\n"

		"1:\n"

		EX_TABLE(0b,1b)

		: "=&d" (rc), "+&d" (tmp)

		: "i" (ESSA_GET_STATE), "0" (-EOPNOTSUPP));

		: [rc] "+&d" (rc), [tmp] "+&d" (tmp)

		: [cmd] "i" (ESSA_GET_STATE));

	return rc;

}