From dc7bd942d780a8783aa02a8c5d43224d219a0e1a Mon Sep 17 00:00:00 2001
From: Ian Thompson <ianst@cadence.com>
Date: Tue, 14 Jan 2025 19:37:00 -0800
Subject: [PATCH] SMP: Ensure idle tasks have affinity set to run only on their
 own core.

Signed-off-by: Ian Thompson <ianst@cadence.com>
---
 tasks.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tasks.c b/tasks.c
index 24cfb2620..a3d585ed0 100644
--- a/tasks.c
+++ b/tasks.c
@@ -3676,6 +3676,9 @@ static BaseType_t prvCreateIdleTasks( void )
                 /* Assign idle task to each core before SMP scheduler is running. */
                 xIdleTaskHandles[ xCoreID ]->xTaskRunState = xCoreID;
                 pxCurrentTCBs[ xCoreID ] = xIdleTaskHandles[ xCoreID ];
+                #if ( configUSE_CORE_AFFINITY == 1 )
+                vTaskCoreAffinitySet(xIdleTaskHandles[ xCoreID ], 1 << xCoreID);
+                #endif
             }
             #endif
         }