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Revert "sched/fair: Consider capacity inversion in util_fits_cpu()"

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This reverts commit 98762616db.

It breaks the current Android kernel abi.  It will be brought back at
the next KABI break update.

Bug: 161946584
Change-Id: I4ed9d6760b8d2e26bad66d9af39d7819e7b464d9
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2023-04-27 11:05:53 +00:00
committed by Matthias Männich
parent b06a054a03
commit 114ae28faa
1 changed files with 5 additions and 9 deletions
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14
kernel/sched/fair.c
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@@ -4180,16 +4180,12 @@ static inline int util_fits_cpu(unsigned long util,
* For uclamp_max, we can tolerate a drop in performance level as the
* goal is to cap the task. So it's okay if it's getting less.
*
* In case of capacity inversion we should honour the inverted capacity
* for both uclamp_min and uclamp_max all the time.
* In case of capacity inversion, which is not handled yet, we should
* honour the inverted capacity for both uclamp_min and uclamp_max all
* the time.
*/
capacity_orig = cpu_in_capacity_inversion(cpu);
if (capacity_orig) {
capacity_orig_thermal = capacity_orig;
} else {
capacity_orig = capacity_orig_of(cpu);
capacity_orig_thermal = capacity_orig - arch_scale_thermal_pressure(cpu);
}
capacity_orig = capacity_orig_of(cpu);
capacity_orig_thermal = capacity_orig - arch_scale_thermal_pressure(cpu);
/*
* We want to force a task to fit a cpu as implied by uclamp_max.