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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-04-17 07:46:12 +0200 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-04-17 07:47:01 +0200 |
| commit | dbd70fb499952d0ba282f0159dafacfc31d50313 (patch) | |
| tree | 317ff61d9a98e61f233ac88950f7d9a3d3067965 /include/asm-s390 | |
| parent | 7b758389a29cb7f456ec2d27b7a08cb3cc4e1f1c (diff) | |
| download | linux-dbd70fb499952d0ba282f0159dafacfc31d50313.tar.gz linux-dbd70fb499952d0ba282f0159dafacfc31d50313.tar.bz2 linux-dbd70fb499952d0ba282f0159dafacfc31d50313.zip | |
[S390] cpu topology support for s390.
Add s390 backend so we can give the scheduler some hints about the
cpu topology.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'include/asm-s390')
| -rw-r--r-- | include/asm-s390/smp.h | 2 | ||||
| -rw-r--r-- | include/asm-s390/topology.h | 14 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h index c7b74326a527..a464a66c65d3 100644 --- a/include/asm-s390/smp.h +++ b/include/asm-s390/smp.h @@ -90,6 +90,8 @@ extern void __cpu_die (unsigned int cpu); extern void cpu_die (void) __attribute__ ((noreturn)); extern int __cpu_up (unsigned int cpu); +extern struct mutex smp_cpu_state_mutex; + extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *), void *info, int wait); #endif diff --git a/include/asm-s390/topology.h b/include/asm-s390/topology.h index 613aa64019da..3b28a09a2108 100644 --- a/include/asm-s390/topology.h +++ b/include/asm-s390/topology.h @@ -1,6 +1,20 @@ #ifndef _ASM_S390_TOPOLOGY_H #define _ASM_S390_TOPOLOGY_H +#include <linux/cpumask.h> + +#define mc_capable() (1) + +cpumask_t cpu_coregroup_map(unsigned int cpu); + +#ifdef CONFIG_SMP +void s390_init_cpu_topology(void); +#else +static inline void s390_init_cpu_topology(void) +{ +}; +#endif + #include <asm-generic/topology.h> #endif /* _ASM_S390_TOPOLOGY_H */ |