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| author |   Heiko Carstens <heiko.carstens@de.ibm.com> | 2007-04-27 16:01:56 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-04-27 16:01:46 +0200 |
| commit | 2fc2d1e9ffcde78af7ab63ed640d9a4901797de2 (patch) | |
| tree | 9fd8fcbf4b6882200480da1f04e30b406d1f8a57 /include/asm-s390 | |
| parent | [S390] vtime: cleanup per_cpu usage. (diff) | |
| download | linux-dev-2fc2d1e9ffcde78af7ab63ed640d9a4901797de2.tar.xz linux-dev-2fc2d1e9ffcde78af7ab63ed640d9a4901797de2.zip | |
[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.h | 1 |
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; |