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s390/sthyi: Convert to use flag output macros

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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>
This commit is contained in:
Heiko Carstens
2024-11-07 16:11:33 +01:00
parent e7583c5f8d
commit eade39cc72
1 changed files with 5 additions and 5 deletions
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10
arch/s390/kernel/sthyi.c
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@@ -17,6 +17,7 @@
#include <asm/ebcdic.h>
#include <asm/facility.h>
#include <asm/sthyi.h>
#include <asm/asm.h>
#include "entry.h"
#define DED_WEIGHT 0xffff
@@ -425,13 +426,12 @@ static int sthyi(u64 vaddr, u64 *rc)
asm volatile(
".insn rre,0xB2560000,%[r1],%[r2]\n"
"ipm %[cc]\n"
"srl %[cc],28\n"
: [cc] "=&d" (cc), [r2] "+&d" (r2.pair)
CC_IPM(cc)
: CC_OUT(cc, cc), [r2] "+&d" (r2.pair)
: [r1] "d" (r1.pair)
: "memory", "cc");
: CC_CLOBBER_LIST("memory"));
*rc = r2.odd;
return cc;
return CC_TRANSFORM(cc);
}
static int fill_dst(void *dst, u64 *rc)