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s390/smp: 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 16:11:42 +01:00
parent 3611a2367c
commit 553ed6d88a
1 changed files with 6 additions and 5 deletions
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11
arch/s390/include/asm/sigp.h
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@ -38,6 +38,8 @@
#ifndef __ASSEMBLY__
#include <asm/asm.h>
static inline int ____pcpu_sigp(u16 addr, u8 order, unsigned long parm,
u32 *status)
{
@ -46,13 +48,12 @@ static inline int ____pcpu_sigp(u16 addr, u8 order, unsigned long parm,
asm volatile(
" sigp %[r1],%[addr],0(%[order])\n"
" ipm %[cc]\n"
" srl %[cc],28\n"
: [cc] "=&d" (cc), [r1] "+&d" (r1.pair)
CC_IPM(cc)
: CC_OUT(cc, cc), [r1] "+d" (r1.pair)
: [addr] "d" (addr), [order] "a" (order)
: "cc");
: CC_CLOBBER);
*status = r1.even;
return cc;
return CC_TRANSFORM(cc);
}
static inline int __pcpu_sigp(u16 addr, u8 order, unsigned long parm,