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MIPS: Provide nice way to access boot CPU's data.

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boot_cpu_data is used the same as current_cpu_data but returns the CPU
data for CPU 0.  This means it doesn't have to use smp_processor_id()
thus no need to disable preemption.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2013-09-17 13:58:12 +02:00
parent 7cc4fa1e51
commit c5f6659631
1 changed files with 1 additions and 0 deletions
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arch/mips/include/asm/cpu-info.h
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@ -84,6 +84,7 @@ struct cpuinfo_mips {
extern struct cpuinfo_mips cpu_data[];
#define current_cpu_data cpu_data[smp_processor_id()]
#define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
#define boot_cpu_data cpu_data[0]
extern void cpu_probe(void);
extern void cpu_report(void);