From b6a2329f0f6efa8c254a7ff980df7538dc0a3723 Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@espressif.com>
Date: Thu, 26 Jan 2017 18:31:15 +1100
Subject: [PATCH] FreeRTOS: esp_crosscore_int_send_yield() should be in IRAM

Possible for xQueueGenericSendFromISR -> xTaskRemoveFromEventQueueList
-> taskYIELD_OTHER_CORE code path to occur while cache is off.
---
 components/esp32/crosscore_int.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/esp32/crosscore_int.c b/components/esp32/crosscore_int.c
index 1e131eeef..f75f0eba7 100644
--- a/components/esp32/crosscore_int.c
+++ b/components/esp32/crosscore_int.c
@@ -82,7 +82,7 @@ void esp_crosscore_int_init() {
     assert(err == ESP_OK);
 }
 
-void esp_crosscore_int_send_yield(int coreId) {
+void IRAM_ATTR esp_crosscore_int_send_yield(int coreId) {
     assert(coreId<portNUM_PROCESSORS);
     //Mark the reason we interrupt the other CPU
     portENTER_CRITICAL(&reasonSpinlock);