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powerpc/cpumask: Convert smp_cpus_done to new cpumask API 

Use the new cpumask_* functions and dynamically allocate the cpumask in
smp_cpus_done.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard 2010-04-26 15:32:34 +00:00 committed by Benjamin Herrenschmidt
parent d5f86fe345
commit bfb9126def
1 changed files with 6 additions and 3 deletions
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9
arch/powerpc/kernel/smp.c
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@ -562,19 +562,22 @@ int setup_profiling_timer(unsigned int multiplier)
void __init smp_cpus_done(unsigned int max_cpus)
{
cpumask_t old_mask;
cpumask_var_t old_mask;
/* We want the setup_cpu() here to be called from CPU 0, but our
* init thread may have been "borrowed" by another CPU in the meantime
* se we pin us down to CPU 0 for a short while
*/
old_mask = current->cpus_allowed;
alloc_cpumask_var(&old_mask, GFP_NOWAIT);
cpumask_copy(old_mask, &current->cpus_allowed);
set_cpus_allowed_ptr(current, cpumask_of(boot_cpuid));
if (smp_ops && smp_ops->setup_cpu)
smp_ops->setup_cpu(boot_cpuid);
set_cpus_allowed_ptr(current, &old_mask);
set_cpus_allowed_ptr(current, old_mask);
free_cpumask_var(old_mask);
snapshot_timebases();