From: Heiko Carstens <hca@linux.ibm.com>
Date: Wed, 9 Jun 2021 20:59:13 +0000 (+0200)
Subject: s390/sigp: use register pair instead of register asm
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=25130c1a9e99c7b10af6d542d62808476a0dff24;p=linux.git

s390/sigp: use register pair instead of register asm

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
---

diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
index 53ee795cd3d39..edee63da08e72 100644
--- a/arch/s390/include/asm/sigp.h
+++ b/arch/s390/include/asm/sigp.h
@@ -41,15 +41,17 @@
 static inline int ____pcpu_sigp(u16 addr, u8 order, unsigned long parm,
 				u32 *status)
 {
-	register unsigned long reg1 asm ("1") = parm;
+	union register_pair r1 = { .odd = parm, };
 	int cc;
 
 	asm volatile(
-		"	sigp	%1,%2,0(%3)\n"
-		"	ipm	%0\n"
-		"	srl	%0,28\n"
-		: "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc");
-	*status = reg1;
+		"	sigp	%[r1],%[addr],0(%[order])\n"
+		"	ipm	%[cc]\n"
+		"	srl	%[cc],28\n"
+		: [cc] "=&d" (cc), [r1] "+&d" (r1.pair)
+		: [addr] "d" (addr), [order] "a" (order)
+		: "cc");
+	*status = r1.even;
 	return cc;
 }