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lx_emul: do not block kworkers unconditionally

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Ref #4268
This commit is contained in:
Stefan Kalkowski 2021-09-27 11:43:35 +02:00 committed by Norman Feske
parent f8cf0442ed
commit d8c344f6b9
1 changed files with 24 additions and 3 deletions
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27
repos/dde_linux/src/lib/lx_emul/shadow/kernel/sched/core.c
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@ -25,6 +25,7 @@
#include <lx_emul/debug.h>
#include <lx_emul/task.h>
#include <lx_emul/time.h>
#include <../kernel/sched/sched.h>
@ -87,7 +88,7 @@ int default_wake_function(wait_queue_entry_t *curr,
}
asmlinkage __visible void __sched schedule(void)
static void __schedule(void)
{
if (preempt_count()) {
printk("schedule: unexpected preempt_count=%d\n", preempt_count());
@ -97,6 +98,26 @@ asmlinkage __visible void __sched schedule(void)
lx_emul_task_schedule(current->state != TASK_RUNNING);
}
#include "../kernel/workqueue_internal.h"
asmlinkage __visible void __sched schedule(void)
{
if (current->state) {
unsigned int task_flags = current->flags;
if (task_flags & PF_WQ_WORKER) {
tick_nohz_idle_enter();
lx_emul_time_handle();
tick_nohz_idle_exit();
wq_worker_sleeping(current);
}
}
__schedule();
if (current->flags & PF_WQ_WORKER)
wq_worker_running(current);
}
#ifdef CONFIG_DEBUG_PREEMPT
@ -119,7 +140,7 @@ asmlinkage __visible void __sched notrace preempt_schedule(void)
if (likely(!preemptible()))
return;
schedule();
__schedule();
}
@ -128,7 +149,7 @@ asmlinkage __visible void __sched notrace preempt_schedule_notrace(void)
if (likely(!preemptible()))
return;
schedule();
__schedule();
}