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From: Greg KH on 1 Jul 2010 14:50 2.6.32-stable review patch. If anyone has any objections, please let us know. ------------------ From: Jan Beulich <JBeulich(a)novell.com> commit cdc6e3d3968052cebb2f2ddcd742bff29fbd1a90 upstream. Without CONFIG_CPUMASK_OFFSTACK, simply inverting cpu_online_mask leads to CPUs beyond nr_cpu_ids to be displayed twice and CPUs not even possible to be displayed as offline. Signed-off-by: Jan Beulich <jbeulich(a)novell.com> Cc: Andi Kleen <ak(a)linux.intel.com> Cc: Stephen Rothwell <sfr(a)canb.auug.org.au> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de> --- drivers/base/cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -149,7 +149,7 @@ static ssize_t print_cpus_offline(struct /* display offline cpus < nr_cpu_ids */ if (!alloc_cpumask_var(&offline, GFP_KERNEL)) return -ENOMEM; - cpumask_complement(offline, cpu_online_mask); + cpumask_andnot(offline, cpu_possible_mask, cpu_online_mask); n = cpulist_scnprintf(buf, len, offline); free_cpumask_var(offline); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |