From 6e66603da5cd936a1dc5b14ca42970c26b590310 Mon Sep 17 00:00:00 2001
From: Xiang Xiao <xiaoxiang@xiaomi.com>
Date: Sat, 17 Dec 2022 04:10:06 +0800
Subject: [PATCH] arch/sim: Disable interrupt in up_interrupt_context for SMP

like other arch to fix the race condition

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
---
 arch/sim/include/irq.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/sim/include/irq.h b/arch/sim/include/irq.h
index 94c1b9bb2a..5d1b343f81 100644
--- a/arch/sim/include/irq.h
+++ b/arch/sim/include/irq.h
@@ -146,7 +146,17 @@ static inline uintptr_t up_getsp(void)
 
 static inline bool up_interrupt_context(void)
 {
-  return CURRENT_REGS != NULL;
+#ifdef CONFIG_SMP
+  irqstate_t flags = up_irq_save();
+#endif
+
+  bool ret = CURRENT_REGS != NULL;
+
+#ifdef CONFIG_SMP
+  up_irq_restore(flags);
+#endif
+
+  return ret;
 }
 
 #undef EXTERN