From 4b215e94efba19949d8f68dd5e74fbc3d8a0f3c1 Mon Sep 17 00:00:00 2001
From: Yifan Wu <shinbokuow@163.com>
Date: Sun, 3 Jan 2021 15:34:44 +0800
Subject: [PATCH] Remove meaningless sstatus::set_sie() when initializing.

---
 os/src/main.rs     | 1 -
 os/src/trap/mod.rs | 5 -----
 2 files changed, 6 deletions(-)

diff --git a/os/src/main.rs b/os/src/main.rs
index 64855732..c4ab3b5b 100644
--- a/os/src/main.rs
+++ b/os/src/main.rs
@@ -35,7 +35,6 @@ pub fn rust_main() -> ! {
     println!("[kernel] Hello, world!");
     trap::init();
     loader::load_apps();
-    trap::enable_interrupt();
     trap::enable_timer_interrupt();
     timer::set_next_trigger();
     task::run_first_task();
diff --git a/os/src/trap/mod.rs b/os/src/trap/mod.rs
index 650b6cac..7718d779 100644
--- a/os/src/trap/mod.rs
+++ b/os/src/trap/mod.rs
@@ -10,7 +10,6 @@ use riscv::register::{
         Interrupt,
     },
     stval,
-    sstatus,
     sie,
 };
 use crate::syscall::syscall;
@@ -29,10 +28,6 @@ pub fn init() {
     }
 }
 
-pub fn enable_interrupt() {
-    unsafe { sstatus::set_sie(); }
-}
-
 pub fn enable_timer_interrupt() {
     unsafe { sie::set_stimer(); }
 }