Message ID | 13699686.uLZWGnKmhe@rjwysocki.net (mailing list archive) |
---|---|
State | Queued |
Delegated to: | Rafael Wysocki |
Headers | show |
Series | cpuidle: menu: Avoid discarding useful information when processing recent idle intervals | expand |
On 2/6/25 14:22, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > Local variable min in get_typical_interval() is updated, but never > accessed later, so drop it. > > No functional impact. > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > --- > drivers/cpuidle/governors/menu.c | 6 +----- > 1 file changed, 1 insertion(+), 5 deletions(-) > > --- a/drivers/cpuidle/governors/menu.c > +++ b/drivers/cpuidle/governors/menu.c > @@ -117,7 +117,7 @@ > static unsigned int get_typical_interval(struct menu_device *data) > { > int i, divisor; > - unsigned int min, max, thresh, avg; > + unsigned int max, thresh, avg; > uint64_t sum, variance; > > thresh = INT_MAX; /* Discard outliers above this value */ > @@ -125,7 +125,6 @@ > again: > > /* First calculate the average of past intervals */ > - min = UINT_MAX; > max = 0; > sum = 0; > divisor = 0; > @@ -136,9 +135,6 @@ > divisor++; > if (value > max) > max = value; > - > - if (value < min) > - min = value; > } > } > > > > Reviewed-by: Christian Loehle <christian.loehle@arm.com>
--- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -117,7 +117,7 @@ static unsigned int get_typical_interval(struct menu_device *data) { int i, divisor; - unsigned int min, max, thresh, avg; + unsigned int max, thresh, avg; uint64_t sum, variance; thresh = INT_MAX; /* Discard outliers above this value */ @@ -125,7 +125,6 @@ again: /* First calculate the average of past intervals */ - min = UINT_MAX; max = 0; sum = 0; divisor = 0; @@ -136,9 +135,6 @@ divisor++; if (value > max) max = value; - - if (value < min) - min = value; } }