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| author | Dave Jones <davej@redhat.com> | 2005-10-27 16:16:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-27 16:29:24 -0700 |
| commit | 927321440976d0781a252eefe686ae6b0f236ae2 (patch) | |
| tree | 537b573706d095c096e273f027975b8e6f9a2cd9 | |
| parent | 79b95a454bb5c1d9b7287d1016a70885ba3f346c (diff) | |
| download | linux-927321440976d0781a252eefe686ae6b0f236ae2.tar.gz linux-927321440976d0781a252eefe686ae6b0f236ae2.tar.bz2 linux-927321440976d0781a252eefe686ae6b0f236ae2.zip | |
[PATCH] cpufreq: SMP fix for conservative governor
Don't try to access not-present CPUs. Conservative governor will always
oops on SMP without this fix.
Fixes http://bugzilla.kernel.org/show_bug.cgi?id=4781
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/cpufreq/cpufreq_conservative.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index e1df376e709e..2ed5c4363b53 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -315,9 +315,9 @@ static void dbs_check_cpu(int cpu) policy = this_dbs_info->cur_policy; if ( init_flag == 0 ) { - for ( /* NULL */; init_flag < NR_CPUS; init_flag++ ) { - dbs_info = &per_cpu(cpu_dbs_info, init_flag); - requested_freq[cpu] = dbs_info->cur_policy->cur; + for_each_online_cpu(j) { + dbs_info = &per_cpu(cpu_dbs_info, j); + requested_freq[j] = dbs_info->cur_policy->cur; } init_flag = 1; } |