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| author | Jan Beulich <JBeulich@novell.com> | 2010-04-27 23:01:20 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-21 18:37:28 +0200 |
| commit | cdc6e3d3968052cebb2f2ddcd742bff29fbd1a90 (patch) | |
| tree | 874fbded0f516a84112200080fb22d28920e6362 | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryu... (diff) | |
| download | linux-cdc6e3d3968052cebb2f2ddcd742bff29fbd1a90.tar.xz linux-cdc6e3d3968052cebb2f2ddcd742bff29fbd1a90.zip | |
drivers/base/cpu.c: fix the output from /sys/devices/system/cpu/offline
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@novell.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/base/cpu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index f35719aab3c1..251acea3d359 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -186,7 +186,7 @@ static ssize_t print_cpus_offline(struct sysdev_class *class, /* 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); |