From 2bd67038f89e6400afcdbdc53ad1fde674a58195 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Thu, 17 Jun 2021 20:30:15 +0200 Subject: [PATCH] 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: Heiko Carstens Signed-off-by: Vasily Gorbik --- arch/s390/mm/page-states.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c index 7f0e154a470ad..68b153083a921 100644 --- a/arch/s390/mm/page-states.c +++ b/arch/s390/mm/page-states.c @@ -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; } -- 2.30.2