Imagelibrary/rtems
1
0
Fork 1
mirror of https://gitlab.rtems.org/rtems/rtos/rtems.git synced 2025-11-16 12:34:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

rtems: Improve rtems_interrupt_server_create()

Browse Source 
Also start interrupt server tasks on processors which do not have a
scheduler.  Applications may dynamically manage processors using
rtems_scheduler_remove_processor() and rtems_scheduler_add_processor().

Close #4190.
This commit is contained in:
Sebastian Huber
2020-11-23 16:34:26 +01:00
parent 1dbdf94e67
commit dedc3e1d49
1 changed files with 18 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
bsps/shared/irq/irq-server.c
View File

@@ -506,9 +506,6 @@ static rtems_status_code bsp_interrupt_server_create(
cpu_set_t cpu;
#endif
rtems_interrupt_lock_initialize(&s->lock, "Interrupt Server");
rtems_chain_initialize_empty(&s->entries);
sc = rtems_task_create(
rtems_build_name('I', 'R', 'Q', 'S'),
priority,
@@ -518,23 +515,30 @@ static rtems_status_code bsp_interrupt_server_create(
&s->server
);
if (sc != RTEMS_SUCCESSFUL) {
(*s->destroy)(s);
return sc;
}
rtems_interrupt_lock_initialize(&s->lock, "Interrupt Server");
rtems_chain_initialize_empty(&s->entries);
#if defined(RTEMS_SMP)
sc = rtems_scheduler_ident_by_processor(cpu_index, &scheduler);
if (sc != RTEMS_SUCCESSFUL) {
/* Do not start an interrupt server on a processor without a scheduler */
return RTEMS_SUCCESSFUL;
/*
* If a scheduler exists for the processor, then move it to this scheduler
* and try to set the affinity to the processor, otherwise keep the scheduler
* of the executing thread.
*/
if (sc == RTEMS_SUCCESSFUL) {
sc = rtems_task_set_scheduler(s->server, scheduler, priority);
_Assert(sc == RTEMS_SUCCESSFUL);
/* Set the task to processor affinity on a best-effort basis */
CPU_ZERO(&cpu);
CPU_SET(cpu_index, &cpu);
(void) rtems_task_set_affinity(s->server, sizeof(cpu), &cpu);
}
sc = rtems_task_set_scheduler(s->server, scheduler, priority);
_Assert(sc == RTEMS_SUCCESSFUL);
/* Set the task to processor affinity on a best-effort basis */
CPU_ZERO(&cpu);
CPU_SET(cpu_index, &cpu);
(void) rtems_task_set_affinity(s->server, sizeof(cpu), &cpu);
#else
(void) cpu_index;
#endif