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authorDave Jones <davej@redhat.com>2005-10-27 19:16:25 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-27 19:29:24 -0400
commit927321440976d0781a252eefe686ae6b0f236ae2 (patch)
tree537b573706d095c096e273f027975b8e6f9a2cd9
parent79b95a454bb5c1d9b7287d1016a70885ba3f346c (diff)
[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.c6
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)
315 policy = this_dbs_info->cur_policy; 315 policy = this_dbs_info->cur_policy;
316 316
317 if ( init_flag == 0 ) { 317 if ( init_flag == 0 ) {
318 for ( /* NULL */; init_flag < NR_CPUS; init_flag++ ) { 318 for_each_online_cpu(j) {
319 dbs_info = &per_cpu(cpu_dbs_info, init_flag); 319 dbs_info = &per_cpu(cpu_dbs_info, j);
320 requested_freq[cpu] = dbs_info->cur_policy->cur; 320 requested_freq[j] = dbs_info->cur_policy->cur;
321 } 321 }
322 init_flag = 1; 322 init_flag = 1;
323 } 323 }