mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-02-22 00:39:33 -05:00
Code Issues Packages Projects Releases Wiki Activity

sched: Unify HK_TYPE_{TIMER|TICK|MISC} to HK_TYPE_KERNEL_NOISE

Browse Source 
As all the non-domain and non-managed_irq housekeeping types have been
unified to HK_TYPE_KERNEL_NOISE, replace all these references in the
scheduler to use HK_TYPE_KERNEL_NOISE.

Signed-off-by: Waiman Long <longman@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/r/20241030175253.125248-5-longman@redhat.com
This commit is contained in:
Waiman Long
2024-10-30 13:52:53 -04:00
committed by Peter Zijlstra
parent 6010d245dd
commit c907cd44a1
2 changed files with 9 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
kernel/sched/core.c
View File

@@ -1170,13 +1170,13 @@ int get_nohz_timer_target(void)
struct sched_domain *sd;
const struct cpumask *hk_mask;
if (housekeeping_cpu(cpu, HK_TYPE_TIMER)) {
if (housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE)) {
if (!idle_cpu(cpu))
return cpu;
default_cpu = cpu;
}
hk_mask = housekeeping_cpumask(HK_TYPE_TIMER);
hk_mask = housekeeping_cpumask(HK_TYPE_KERNEL_NOISE);
guard(rcu)();
@@ -1191,7 +1191,7 @@ int get_nohz_timer_target(void)
}
if (default_cpu == -1)
default_cpu = housekeeping_any_cpu(HK_TYPE_TIMER);
default_cpu = housekeeping_any_cpu(HK_TYPE_KERNEL_NOISE);
return default_cpu;
}
@@ -5634,7 +5634,7 @@ void sched_tick(void)
unsigned long hw_pressure;
u64 resched_latency;
if (housekeeping_cpu(cpu, HK_TYPE_TICK))
if (housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE))
arch_scale_freq_tick();
sched_clock_tick();
@@ -5773,7 +5773,7 @@ static void sched_tick_start(int cpu)
int os;
struct tick_work *twork;
if (housekeeping_cpu(cpu, HK_TYPE_TICK))
if (housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE))
return;
WARN_ON_ONCE(!tick_work_cpu);
@@ -5794,7 +5794,7 @@ static void sched_tick_stop(int cpu)
struct tick_work *twork;
int os;
if (housekeeping_cpu(cpu, HK_TYPE_TICK))
if (housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE))
return;
WARN_ON_ONCE(!tick_work_cpu);

5
kernel/sched/fair.c
View File

@@ -12203,7 +12203,7 @@ static inline int find_new_ilb(void)
const struct cpumask *hk_mask;
int ilb_cpu;
hk_mask = housekeeping_cpumask(HK_TYPE_MISC);
hk_mask = housekeeping_cpumask(HK_TYPE_KERNEL_NOISE);
for_each_cpu_and(ilb_cpu, nohz.idle_cpus_mask, hk_mask) {
@@ -12221,7 +12221,8 @@ static inline int find_new_ilb(void)
* Kick a CPU to do the NOHZ balancing, if it is time for it, via a cross-CPU
* SMP function call (IPI).
*
* We pick the first idle CPU in the HK_TYPE_MISC housekeeping set (if there is one).
* We pick the first idle CPU in the HK_TYPE_KERNEL_NOISE housekeeping set
* (if there is one).
*/
static void kick_ilb(unsigned int flags)
{