Revert "arch: lc823450: Fix the pause handler for SMP"

This reverts commit 42dea9edf9.
This commit is contained in:
Masayuki Ishikawa 2020-11-25 06:58:49 +09:00 committed by Abdelatif Guettouche
parent 37dad5dd04
commit 3ba840aa27

View File

@ -190,7 +190,6 @@ int up_cpu_paused(int cpu)
int lc823450_pause_handler(int irq, void *c, FAR void *arg) int lc823450_pause_handler(int irq, void *c, FAR void *arg)
{ {
int cpu = up_cpu_index(); int cpu = up_cpu_index();
int ret = OK;
/* Clear : Pause IRQ */ /* Clear : Pause IRQ */
@ -212,21 +211,10 @@ int lc823450_pause_handler(int irq, void *c, FAR void *arg)
if (spin_islocked(&g_cpu_paused[cpu])) if (spin_islocked(&g_cpu_paused[cpu]))
{ {
/* NOTE: up_cpu_paused() needs to be executed in a critical section return up_cpu_paused(cpu);
* to ensure that this CPU holds g_cpu_irqlock. However, adding
* a critical section in up_cpu_paused() is not a good idea,
* because it is also called in enter_critical_section() to break
* a deadlock
*/
irqstate_t flags = enter_critical_section();
ret = up_cpu_paused(cpu);
leave_critical_section(flags);
} }
return ret; return OK;
} }
/**************************************************************************** /****************************************************************************