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| author | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
| commit | af7a535688a758d15f06a98833e6a143b29af9de (patch) | |
| tree | bac5ab210bbbbe276f0e44ed84194d7c8bb16aae /arch/arm/mach-realview/include/mach/smp.h | |
| parent | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (diff) | |
| parent | c41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff) | |
Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk
Diffstat (limited to 'arch/arm/mach-realview/include/mach/smp.h')
| -rw-r--r-- | arch/arm/mach-realview/include/mach/smp.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-realview/include/mach/smp.h b/arch/arm/mach-realview/include/mach/smp.h new file mode 100644 index 00000000000..515819efd04 --- /dev/null +++ b/arch/arm/mach-realview/include/mach/smp.h @@ -0,0 +1,30 @@ +#ifndef ASMARM_ARCH_SMP_H +#define ASMARM_ARCH_SMP_H + + +#include <asm/hardware/gic.h> + +#define hard_smp_processor_id() \ + ({ \ + unsigned int cpunum; \ + __asm__("mrc p15, 0, %0, c0, c0, 5" \ + : "=r" (cpunum)); \ + cpunum &= 0x0F; \ + }) + +/* + * We use IRQ1 as the IPI + */ +static inline void smp_cross_call(cpumask_t callmap) +{ + gic_raise_softirq(callmap, 1); +} + +/* + * Do nothing on MPcore. + */ +static inline void smp_cross_call_done(cpumask_t callmap) +{ +} + +#endif |