We change to NULL the cpufreq_cpu_policy pointer after the call of
cpufreq_driver-exit, because the pointer is still needed in
intel_pstate_set_pstate().
v4 changes:
None.
Signed-off-by: Wei Wang wei.w.w...@intel.com
---
xen/drivers/cpufreq/cpufreq.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/xen/drivers/cpufreq/cpufreq.c b/xen/drivers/cpufreq/cpufreq.c
index acc4bb5..d1b423f 100644
--- a/xen/drivers/cpufreq/cpufreq.c
+++ b/xen/drivers/cpufreq/cpufreq.c
@@ -335,12 +335,11 @@ int cpufreq_del_cpu(unsigned int cpu)
/* for HW_ALL, stop gov for each core of the _PSD domain */
/* for SW_ALL SW_ANY, stop gov for the 1st core of the _PSD domain */
-if (hw_all || (cpumask_weight(cpufreq_dom-map) ==
- perf-domain_info.num_processors))
+if (!policy-internal_gov (hw_all || (cpumask_weight(cpufreq_dom-map)
==
+ perf-domain_info.num_processors)))
__cpufreq_governor(policy, CPUFREQ_GOV_STOP);
cpufreq_statistic_exit(cpu);
-per_cpu(cpufreq_cpu_policy, cpu) = NULL;
cpumask_clear_cpu(cpu, policy-cpus);
cpumask_clear_cpu(cpu, cpufreq_dom-map);
@@ -349,6 +348,7 @@ int cpufreq_del_cpu(unsigned int cpu)
free_cpumask_var(policy-cpus);
xfree(policy);
}
+per_cpu(cpufreq_cpu_policy, cpu) = NULL;
/* for the last cpu of the domain, clean room */
/* It's safe here to free freq_table, drv_data and policy */
--
1.9.1
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