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Merge branch 'bugfix/esp_ipc_isr_freertos_deadlock' into 'master'

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esp_system: Workaround esp_ipc_isr_stall_other_cpu() deadlock with SMP FreeRTOS

Closes IDF-5250 and IDF-5251

See merge request espressif/esp-idf!18565
This commit is contained in:
Darian
2022-06-20 16:31:44 +08:00
parent b6e6adddc3 95955ed170
commit 7756b6e2c7
1 changed files with 14 additions and 0 deletions
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14
components/esp_system/port/arch/xtensa/esp_ipc_isr.c
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@@ -105,6 +105,13 @@ void esp_ipc_isr_waiting_for_finish_cmd(void* finish_cmd);
*/
void IRAM_ATTR esp_ipc_isr_stall_other_cpu(void)
{
#if CONFIG_FREERTOS_SMP
/*
Temporary workaround to prevent deadlocking on the SMP FreeRTOS kernel lock after stalling the other CPU.
See IDF-5257
*/
taskENTER_CRITICAL();
#endif
if (s_stall_state == STALL_STATE_RUNNING) {
#if CONFIG_FREERTOS_SMP
BaseType_t intLvl = portDISABLE_INTERRUPTS();
@@ -145,6 +152,13 @@ void IRAM_ATTR esp_ipc_isr_release_other_cpu(void)
assert(0);
}
}
#if CONFIG_FREERTOS_SMP
/*
Temporary workaround to prevent deadlocking on the SMP FreeRTOS kernel lock after stalling the other CPU.
See IDF-5257
*/
taskEXIT_CRITICAL();
#endif
}
void IRAM_ATTR esp_ipc_isr_stall_pause(void)