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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-08-10 23:17:52 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-08-10 23:17:52 +0100 |
| commit | 0b019a41553a919965bb02d07d54e3e6c57a796d (patch) | |
| tree | 6e329b4159b440d2aac5200a5c07103fe261c096 /arch/arm/mach-s5pv310/include/mach/smp.h | |
| parent | 5f6878b0d22f9b93f9698f88c335007e2a3c3bbc (diff) | |
| parent | 054d5c9238f3c577ad51195c3ee7803613f322cc (diff) | |
| download | lwn-0b019a41553a919965bb02d07d54e3e6c57a796d.tar.gz lwn-0b019a41553a919965bb02d07d54e3e6c57a796d.zip | |
Merge branches 'master' and 'devel' into for-linus
Conflicts:
arch/arm/Kconfig
arch/arm/mm/Kconfig
Diffstat (limited to 'arch/arm/mach-s5pv310/include/mach/smp.h')
| -rw-r--r-- | arch/arm/mach-s5pv310/include/mach/smp.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv310/include/mach/smp.h b/arch/arm/mach-s5pv310/include/mach/smp.h new file mode 100644 index 000000000000..990f3ba88a1f --- /dev/null +++ b/arch/arm/mach-s5pv310/include/mach/smp.h @@ -0,0 +1,29 @@ +/* linux/arch/arm/mach-s5pv310/include/mach/smp.h + * + * Cloned from arch/arm/mach-realview/include/mach/smp.h +*/ + +#ifndef ASM_ARCH_SMP_H +#define ASM_ARCH_SMP_H __FILE__ + +#include <asm/hardware/gic.h> + +extern void __iomem *gic_cpu_base_addr; + +#define hard_smp_processor_id() \ + ({ \ + unsigned int cpunum; \ + __asm__("mrc p15, 0, %0, c0, c0, 5" \ + : "=r" (cpunum)); \ + cpunum &= 0x03; \ + }) + +/* + * We use IRQ1 as the IPI + */ +static inline void smp_cross_call(const struct cpumask *mask) +{ + gic_raise_softirq(mask, 1); +} + +#endif |