From a06662b58ec1f666480adf395f86a51f72035b75 Mon Sep 17 00:00:00 2001
From: Yuke Peng <pykfirst@gmail.com>
Date: Thu, 29 Aug 2024 19:05:20 +0800
Subject: [PATCH] Read rflags directly in is_local_enabled

---
 ostd/src/arch/x86/irq.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ostd/src/arch/x86/irq.rs b/ostd/src/arch/x86/irq.rs
index 9b46fb3e8..f4cb86548 100644
--- a/ostd/src/arch/x86/irq.rs
+++ b/ostd/src/arch/x86/irq.rs
@@ -9,6 +9,7 @@ use alloc::{boxed::Box, fmt::Debug, sync::Arc, vec::Vec};
 use id_alloc::IdAlloc;
 use spin::Once;
 use trapframe::TrapFrame;
+use x86_64::registers::rflags::{self, RFlags};
 
 use crate::sync::{Mutex, PreemptDisabled, SpinLock, SpinLockGuard};
 
@@ -53,7 +54,7 @@ pub(crate) fn disable_local() {
 }
 
 pub(crate) fn is_local_enabled() -> bool {
-    x86_64::instructions::interrupts::are_enabled()
+    (rflags::read_raw() & RFlags::INTERRUPT_FLAG.bits()) != 0
 }
 
 static CALLBACK_ID_ALLOCATOR: Once<Mutex<IdAlloc>> = Once::new();