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| author | Michael Holzheu <holzheu@de.ibm.com> | 2007-02-21 10:55:18 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-02-21 10:55:18 +0100 |
| commit | 72960a02c270950253126ee8b339afd400f55273 (patch) | |
| tree | 3dec1f231bac88c2457af8a33b146b7df25df603 /include/asm-s390 | |
| parent | [S390] etr: Add barrier() to etr_sync_cpu_start(). (diff) | |
| download | linux-72960a02c270950253126ee8b339afd400f55273.tar.xz linux-72960a02c270950253126ee8b339afd400f55273.zip | |
[S390] New get_cpu_id() inline assembly
Replace two stidp inline assemblies with one global implementation.
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390')
| -rw-r--r-- | include/asm-s390/processor.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h index 4c1b73940351..33b80ced4bc1 100644 --- a/include/asm-s390/processor.h +++ b/include/asm-s390/processor.h @@ -36,6 +36,11 @@ typedef struct unsigned int unused : 16; } __attribute__ ((packed)) cpuid_t; +static inline void get_cpu_id(cpuid_t *ptr) +{ + asm volatile("stidp 0(%1)" : "=m" (*ptr) : "a" (ptr)); +} + struct cpuinfo_S390 { cpuid_t cpu_id; |