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authorHeiko Carstens <heiko.carstens@de.ibm.com>2007-04-27 16:01:56 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2007-04-27 16:01:46 +0200
commit2fc2d1e9ffcde78af7ab63ed640d9a4901797de2 (patch)
tree9fd8fcbf4b6882200480da1f04e30b406d1f8a57 /include/asm-s390
parentdb77aa5f3d01fe6a6cc629dbd37936b1fdd129ba (diff)
[S390] Processor degradation notification.
Generate uevents for all cpus if cpu capability changes. This can happen e.g. because the cpus are overheating. The cpu capability can be read via /sys/devices/system/cpu/cpuN/capability. 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/processor.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 96a6f80953a9..e0fcea8c64c3 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -57,6 +57,7 @@ struct cpuinfo_S390
extern void s390_adjust_jiffies(void);
extern void print_cpu_info(struct cpuinfo_S390 *);
+extern int get_cpu_capability(unsigned int *);
/* Lazy FPU handling on uni-processor */
extern struct task_struct *last_task_used_math;