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Date: Fri, 22 Mar 2019 12:16:42 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Kees Cook <keescook@...omium.org>, "Rafael J. Wysocki" <rafael.j.wysocki@...el.com> Subject: [PATCH 5.0 183/238] cpuidle: governor: Add new governors to cpuidle_governors again 5.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Rafael J. Wysocki <rafael.j.wysocki@...el.com> commit 22782b3f9bb8ae21c710e2880db21bc729771e92 upstream. 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@...omium.org> Cc: 5.0+ <stable@...r.kernel.org> # 5.0+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/cpuidle/governor.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/cpuidle/governor.c +++ b/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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