From d6b54eea7c30028d61ca51b09ee4026327c95096 Mon Sep 17 00:00:00 2001
From: zflcs <1491657576@qq.com>
Date: Tue, 26 Nov 2024 11:16:34 +0800
Subject: [PATCH] Remove redundant operation about user thread stack

---
 user/src/bin/stackful_coroutine.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/user/src/bin/stackful_coroutine.rs b/user/src/bin/stackful_coroutine.rs
index 3f619790..3d795c1b 100644
--- a/user/src/bin/stackful_coroutine.rs
+++ b/user/src/bin/stackful_coroutine.rs
@@ -199,7 +199,7 @@ impl Runtime {
 
             available.ctx.x1 = guard as u64; //ctx.x1  is old return address
             available.ctx.nx1 = f as u64; //ctx.nx2 is new return address
-            available.ctx.x2 = s_ptr.offset(-32) as u64; //cxt.x2 is sp
+            available.ctx.x2 = s_ptr as u64; //cxt.x2 is sp
         }
         available.state = State::Ready;
     }