-stable review patch. If anyone has any objections, please let us know. ------------------ From: Nathan Lynch Commit 5c1e176781f43bc902a51e5832f789756bff911b ("sched: force /sbin/init off isolated cpus") sets init's cpus_allowed to a subset of cpu_online_map at boot time, which means that tasks won't be scheduled on cpus that are added to the system later. Make init's cpus_allowed a subset of cpu_possible_map instead. This should still preserve the behavior that Nick's change intended. Thanks to Giuliano Pochini for reporting this and testing the fix: http://ozlabs.org/pipermail/linuxppc-dev/2006-December/029397.html Signed-off-by: Nathan Lynch Acked-by: Ingo Molnar Cc: Nick Piggin Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Chris Wright --- kernel/sched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-2.6.19.2.orig/kernel/sched.c +++ linux-2.6.19.2/kernel/sched.c @@ -6765,7 +6765,7 @@ void __init sched_init_smp(void) lock_cpu_hotplug(); arch_init_sched_domains(&cpu_online_map); - cpus_andnot(non_isolated_cpus, cpu_online_map, cpu_isolated_map); + cpus_andnot(non_isolated_cpus, cpu_possible_map, cpu_isolated_map); if (cpus_empty(non_isolated_cpus)) cpu_set(smp_processor_id(), non_isolated_cpus); unlock_cpu_hotplug(); -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/