NothingOSS/android_kernel_msm-6.1_nothing_sm7635
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge "sched: walt: always return active cpu as part of nohz timer vendor hook"

Browse source
This commit is contained in:
qctecmdr 2024-03-27 09:01:02 -07:00 • committed by Gerrit - the friendly Code Review server
commit 433fd0bedd
1 changed files with 6 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

12
kernel/sched/walt/walt_halt.c
View file

@ -533,9 +533,10 @@ static void android_rvh_get_nohz_timer_target(void *unused, int *cpu, bool *done
{
int i, default_cpu = -1;
struct sched_domain *sd;
cpumask_t unhalted;
cpumask_t active_unhalted;
*done = true;
cpumask_andnot(&active_unhalted, cpu_active_mask, cpu_halt_mask);
if (housekeeping_cpu(*cpu, HK_TYPE_TIMER) && !cpu_halted(*cpu)) {
if (!available_idle_cpu(*cpu))
@ -547,7 +548,7 @@ static void android_rvh_get_nohz_timer_target(void *unused, int *cpu, bool *done
* find first cpu halted by core control and try to avoid
* affecting externally halted cpus.
*/
if (!cpumask_andnot(&unhalted, cpu_active_mask, cpu_halt_mask)) {
if (!cpumask_weight(&active_unhalted)) {
cpumask_t tmp_pause, tmp_part_pause, tmp_halt, *tmp;
cpumask_and(&tmp_part_pause, cpu_active_mask, &cpus_part_paused_by_us);
@ -580,8 +581,7 @@ static void android_rvh_get_nohz_timer_target(void *unused, int *cpu, bool *done
}
if (default_cpu == -1) {
cpumask_complement(&unhalted, cpu_halt_mask);
for_each_cpu_and(i, &unhalted,
for_each_cpu_and(i, &active_unhalted,
housekeeping_cpumask(HK_TYPE_TIMER)) {
if (*cpu == i)
continue;
@ -592,8 +592,8 @@ static void android_rvh_get_nohz_timer_target(void *unused, int *cpu, bool *done
}
}
/* no active, non-halted, not-idle, choose any */
default_cpu = cpumask_any(&unhalted);
/* choose any active unhalted cpu */
default_cpu = cpumask_any(&active_unhalted);
if (unlikely(default_cpu >= nr_cpu_ids))
goto unlock;