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cpuidle: governor: Add new governors to cpuidle_governors again

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After commit 61cb5758d3 ("cpuidle: Add cpuidle.governor= command
line parameter") new cpuidle governors are not added to the list
of available governors, so governor selection via sysfs doesn't
work as expected (even though it is rarely used anyway).

Fix that by making cpuidle_register_governor() add new governors to
cpuidle_governors again.

Fixes: 61cb5758d3 ("cpuidle: Add cpuidle.governor= command line parameter")
Reported-by: Kees Cook <keescook@chromium.org>
Cc: 5.0+ <stable@vger.kernel.org> # 5.0+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2019-03-12 19:13:13 +01:00
parent 814b8797f9
commit 22782b3f9b
1 changed files with 1 additions and 0 deletions
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1
drivers/cpuidle/governor.c
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@ -89,6 +89,7 @@ int cpuidle_register_governor(struct cpuidle_governor *gov)
mutex_lock(&cpuidle_lock);
if (__cpuidle_find_governor(gov->name) == NULL) {
ret = 0;
list_add_tail(&gov->governor_list, &cpuidle_governors);
if (!cpuidle_curr_governor ||
!strncasecmp(param_governor, gov->name, CPUIDLE_NAME_LEN) ||
(cpuidle_curr_governor->rating < gov->rating &&