Messages in this thread Patch in this message | | | From | "Rafael J. Wysocki" <> | Subject | [PATCH] cpuidle: governor: Add new governors to cpuidle_governors again | Date | Tue, 12 Mar 2019 19:13:13 +0100 |
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From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
After commit 61cb5758d3c4 ("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: 61cb5758d3c4 ("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> --- drivers/cpuidle/governor.c | 1 + 1 file changed, 1 insertion(+)
Index: linux-pm/drivers/cpuidle/governor.c =================================================================== --- linux-pm.orig/drivers/cpuidle/governor.c +++ linux-pm/drivers/cpuidle/governor.c @@ -89,6 +89,7 @@ int cpuidle_register_governor(struct cpu 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 &&
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