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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-24 12:48:46 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-24 12:48:46 +0200 |
| commit | 8c82a17e9c924c0e9f13e75e4c2f6bca19a4b516 (patch) | |
| tree | d535f46a917e14e90deccb29ad00aac016ad18dd /arch/powerpc/platforms/pseries/smp.c | |
| parent | 4ce72a2c063a7fa8e42a9435440ae3364115a58d (diff) | |
| parent | 57f8f7b60db6f1ed2c6918ab9230c4623a9dbe37 (diff) | |
Merge commit 'v2.6.28-rc1' into sched/urgent
Diffstat (limited to 'arch/powerpc/platforms/pseries/smp.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/smp.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index e00f96baa38..1a231c389ba 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -52,8 +52,8 @@ /* - * The primary thread of each non-boot processor is recorded here before - * smp init. + * The Primary thread of each non-boot processor was started from the OF client + * interface by prom_hold_cpus and is spinning on secondary_hold_spinloop. */ static cpumask_t of_spin_map; @@ -161,8 +161,7 @@ static void __devinit smp_pSeries_kick_cpu(int nr) static int smp_pSeries_cpu_bootable(unsigned int nr) { /* Special case - we inhibit secondary thread startup - * during boot if the user requests it. Odd-numbered - * cpus are assumed to be secondary threads. + * during boot if the user requests it. */ if (system_state < SYSTEM_RUNNING && cpu_has_feature(CPU_FTR_SMT) && @@ -199,11 +198,7 @@ static void __init smp_init_pseries(void) /* Mark threads which are still spinning in hold loops. */ if (cpu_has_feature(CPU_FTR_SMT)) { for_each_present_cpu(i) { - if (i % 2 == 0) - /* - * Even-numbered logical cpus correspond to - * primary threads. - */ + if (cpu_thread_in_core(i) == 0) cpu_set(i, of_spin_map); } } else { |