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| author | Peter Zijlstra <peterz@infradead.org> | 2020-10-14 21:39:04 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-10-29 11:00:30 +0100 |
| commit | b13772f8135633f273f0cf742143b19cffbf9e1d (patch) | |
| tree | 01ae7f3e51e0c94d829ace28f75c14250f3e4165 /kernel/sched/cpupri.h | |
| parent | 934fc3314b39e16a89fc4d5d0d5cbfe71dcbe7b1 (diff) | |
| download | linux-b13772f8135633f273f0cf742143b19cffbf9e1d.tar.bz2 | |
sched/cpupri: Add CPUPRI_HIGHER
Add CPUPRI_HIGHER above the RT99 priority to denote the CPU is in use
by higher priority tasks (specifically deadline).
XXX: we should probably drive PUSH-PULL from cpupri, that would
automagically result in an RT-PUSH when DL sets cpupri to CPUPRI_HIGHER.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Diffstat (limited to 'kernel/sched/cpupri.h')
| -rw-r--r-- | kernel/sched/cpupri.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched/cpupri.h b/kernel/sched/cpupri.h index e28e1ed12e3d..d6cba0020064 100644 --- a/kernel/sched/cpupri.h +++ b/kernel/sched/cpupri.h @@ -1,10 +1,11 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#define CPUPRI_NR_PRIORITIES MAX_RT_PRIO +#define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO+1) #define CPUPRI_INVALID -1 #define CPUPRI_NORMAL 0 /* values 1-99 are for RT1-RT99 priorities */ +#define CPUPRI_HIGHER 100 struct cpupri_vec { atomic_t count; |