From: Heiko Carstens <hca@linux.ibm.com>
Date: Thu, 7 Nov 2024 15:11:47 +0000 (+0100)
Subject: s390/kvm: Convert to use flag output macros
X-Git-Tag: v6.13-rc1~206^2~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e20996f0dc51acd37ea4c2fbcb53df3e33dc9f7;p=thirdparty%2Fkernel%2Fstable.git

s390/kvm: Convert to use flag output macros

Use flag output macros in inline asm to allow for better code generation if
the compiler has support for the flag output constraint.

Reviewed-by: Juergen Christ <jchrist@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
---

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 06e55f681a395..deeb32034ad5e 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -43,6 +43,7 @@
 #include <asm/sclp.h>
 #include <asm/cpacf.h>
 #include <asm/timex.h>
+#include <asm/asm.h>
 #include <asm/fpu.h>
 #include <asm/ap.h>
 #include <asm/uv.h>
@@ -340,12 +341,11 @@ static inline int plo_test_bit(unsigned char nr)
 		"	lgr	0,%[function]\n"
 		/* Parameter registers are ignored for "test bit" */
 		"	plo	0,0,0,0(0)\n"
-		"	ipm	%0\n"
-		"	srl	%0,28\n"
-		: "=d" (cc)
+		CC_IPM(cc)
+		: CC_OUT(cc, cc)
 		: [function] "d" (function)
-		: "cc", "0");
-	return cc == 0;
+		: CC_CLOBBER_LIST("0"));
+	return CC_TRANSFORM(cc) == 0;
 }
 
 static __always_inline void __sortl_query(u8 (*query)[32])