From: Dave Jones 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 Signed-off-by: Dave Jones Signed-off-by: Andrew Morton --- drivers/cpufreq/cpufreq_conservative.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff -puN drivers/cpufreq/cpufreq_conservative.c~cpufreq-smp-fix-for-conservative-governor drivers/cpufreq/cpufreq_conservative.c --- 25/drivers/cpufreq/cpufreq_conservative.c~cpufreq-smp-fix-for-conservative-governor Fri Sep 23 15:05:27 2005 +++ 25-akpm/drivers/cpufreq/cpufreq_conservative.c Fri Sep 23 15:05:27 2005 @@ -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; } _