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| author | Heiko Carstens <hca@linux.ibm.com> | 2024-11-07 16:11:39 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2024-11-13 14:31:32 +0100 |
| commit | 9ce8bc0cb42b5054a005d4012e7672b078855a28 (patch) | |
| tree | 9a02cff7fbb3c0bc95990069aad0d839358fe012 /arch/s390 | |
| parent | fbe057e874c7037982dea38235e8b9a9be05a8d5 (diff) | |
| download | linux-stable-9ce8bc0cb42b5054a005d4012e7672b078855a28.tar.gz linux-stable-9ce8bc0cb42b5054a005d4012e7672b078855a28.tar.bz2 linux-stable-9ce8bc0cb42b5054a005d4012e7672b078855a28.zip | |
s390/mm: 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')
| -rw-r--r-- | arch/s390/include/asm/page.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index 73e1e03317b4..4405084d55a4 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -10,6 +10,7 @@ #include <linux/const.h> #include <asm/types.h> +#include <asm/asm.h> #define _PAGE_SHIFT CONFIG_PAGE_SHIFT #define _PAGE_SIZE (_AC(1, UL) << _PAGE_SHIFT) @@ -148,11 +149,12 @@ static inline int page_reset_referenced(unsigned long addr) int cc; asm volatile( - " rrbe 0,%1\n" - " ipm %0\n" - " srl %0,28\n" - : "=d" (cc) : "a" (addr) : "cc"); - return cc; + " rrbe 0,%[addr]\n" + CC_IPM(cc) + : CC_OUT(cc, cc) + : [addr] "a" (addr) + : CC_CLOBBER); + return CC_TRANSFORM(cc); } /* Bits int the storage key */ |