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powerpc/smp: Add a smp_ops->bringup_up() done callback

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This allows us to stop abusing smp_ops->setup_cpu() for cleanup
tasks that have to take place after the initial boot time CPU
bringup.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2011-03-08 13:50:37 +11:00
parent 65e646ac50
commit d72944457b
2 changed files with 5 additions and 0 deletions
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1
arch/powerpc/include/asm/machdep.h
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@ -35,6 +35,7 @@ struct smp_ops_t {
int (*probe)(void); int (*probe)(void);
void (*kick_cpu)(int nr); void (*kick_cpu)(int nr);
void (*setup_cpu)(int nr); void (*setup_cpu)(int nr);
void (*bringup_done)(void);
void (*take_timebase)(void); void (*take_timebase)(void);
void (*give_timebase)(void); void (*give_timebase)(void);
int (*cpu_disable)(void); int (*cpu_disable)(void);

4
arch/powerpc/kernel/smp.c
View File

@ -553,7 +553,11 @@ void __init smp_cpus_done(unsigned int max_cpus)
free_cpumask_var(old_mask); free_cpumask_var(old_mask);
if (smp_ops && smp_ops->bringup_done)
smp_ops->bringup_done();
dump_numa_cpu_topology(); dump_numa_cpu_topology();
} }
int arch_sd_sibling_asym_packing(void) int arch_sd_sibling_asym_packing(void)