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Fix locking issue in epoch_sysinit()

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The _Watchdog_Per_CPU_insert_ticks() assumes that interrupts are
disabled.
This commit is contained in:
Sebastian Huber 2018-12-20 10:31:35 +01:00
parent 91566dda7f
commit d7c7d6e256
1 changed files with 4 additions and 0 deletions
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4
rtemsbsd/rtems/rtems-kernel-epoch.c
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@ -94,6 +94,7 @@ epoch_watchdog(Watchdog_Control *wdg)
ISR_Level level;
epcpu = __containerof(wdg, struct epoch_pcpu, wdg);
_ISR_Local_disable(level);
_Watchdog_Per_CPU_insert_ticks(&epcpu->wdg,
_Watchdog_Get_CPU(&epcpu->wdg), 1);
@ -154,13 +155,16 @@ epoch_sysinit(void)
for (cpu_index = 0; cpu_index < cpu_count; ++cpu_index) {
Per_CPU_Control *cpu;
struct epoch_pcpu *epcpu;
ISR_Level level;
cpu = _Per_CPU_Get_by_index(cpu_index);
epcpu = PER_CPU_DATA_GET(cpu, struct epoch_pcpu, epoch);
_Watchdog_Preinitialize(&epcpu->wdg, cpu);
_Watchdog_Initialize(&epcpu->wdg, epoch_watchdog);
_ISR_Local_disable(level);
_Watchdog_Per_CPU_insert_ticks(&epcpu->wdg, cpu, 1);
_ISR_Local_enable(level);
rtems_interrupt_server_request_initialize(cpu_index,
&epcpu->irq_srv_req, epoch_call_handler, epcpu);