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authorHeiko Carstens <heiko.carstens@de.ibm.com>2008-04-17 07:46:12 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2008-04-17 07:47:01 +0200
commitdbd70fb499952d0ba282f0159dafacfc31d50313 (patch)
tree317ff61d9a98e61f233ac88950f7d9a3d3067965 /include/asm-s390/smp.h
parent7b758389a29cb7f456ec2d27b7a08cb3cc4e1f1c (diff)
[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/smp.h')
-rw-r--r--include/asm-s390/smp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h
index c7b74326a52..a464a66c65d 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