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| author | Heiko Carstens <hca@linux.ibm.com> | 2024-11-07 16:11:33 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2024-11-13 14:31:31 +0100 |
| commit | eade39cc724c3ba08541ebca4b1b4c4bf19c49a5 (patch) | |
| tree | 5a47617e03db268c858bfa261a25176d54280df2 /arch/s390/kernel/sthyi.c | |
| parent | e7583c5f8d0e0aa34178b6f34a89f81090393c64 (diff) | |
| download | linux-stable-eade39cc724c3ba08541ebca4b1b4c4bf19c49a5.tar.gz linux-stable-eade39cc724c3ba08541ebca4b1b4c4bf19c49a5.tar.bz2 linux-stable-eade39cc724c3ba08541ebca4b1b4c4bf19c49a5.zip | |
s390/sthyi: 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>
Diffstat (limited to 'arch/s390/kernel/sthyi.c')
| -rw-r--r-- | arch/s390/kernel/sthyi.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/s390/kernel/sthyi.c b/arch/s390/kernel/sthyi.c index 1cf2ad04f8e9..d40f0b983e74 100644 --- a/arch/s390/kernel/sthyi.c +++ b/arch/s390/kernel/sthyi.c @@ -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) |