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| author |   Heiko Carstens <heiko.carstens@de.ibm.com> | 2010-02-26 22:37:34 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-02-26 22:37:30 +0100 |
| commit | 2c2df118a6440748e6fd71a510a66ee708c31494 (patch) | |
| tree | 4e19684886c0c1e7261a1d68de9885302c0565f1 /arch/s390/include | |
| parent | [S390] smp: rename and add lowcore defines (diff) | |
| download | linux-dev-2c2df118a6440748e6fd71a510a66ee708c31494.tar.xz linux-dev-2c2df118a6440748e6fd71a510a66ee708c31494.zip | |
[S390] smp: always reboot on cpu 0
Always reboot on logical cpu 0. This makes sure that the IPL cpu is
always the same and usually avoids strange numbering schemes between
physical and logical cpus.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/smp.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h index 9d2acb0b4847..c2d0e638f892 100644 --- a/arch/s390/include/asm/smp.h +++ b/arch/s390/include/asm/smp.h @@ -31,6 +31,18 @@ extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); extern struct save_area *zfcpdump_save_areas[NR_CPUS + 1]; +extern void smp_switch_to_ipl_cpu(void (*func)(void *), void *); +extern void smp_switch_to_cpu(void (*)(void *), void *, unsigned long sp, + int from, int to); +extern void smp_restart_cpu(void); + +#else /* CONFIG_SMP */ + +static inline void smp_switch_to_ipl_cpu(void (*func)(void *), void *data) +{ + func(data); +} + #endif /* CONFIG_SMP */ #ifdef CONFIG_HOTPLUG_CPU |