From d5c9d1af26e7bd0ebefafba6ae28b0bd660aa924 Mon Sep 17 00:00:00 2001
From: ragarnoy <tiagolernould@gmail.com>
Date: Wed, 21 May 2025 12:27:56 +0200
Subject: Remove unnecessary atomic fences from intercore examples

---
 examples/stm32h755cm4/src/bin/intercore.rs | 6 ------
 examples/stm32h755cm7/src/bin/intercore.rs | 5 -----
 2 files changed, 11 deletions(-)

(limited to 'examples')

diff --git a/examples/stm32h755cm4/src/bin/intercore.rs b/examples/stm32h755cm4/src/bin/intercore.rs
index 6ebf61cd4..d5e3e7648 100644
--- a/examples/stm32h755cm4/src/bin/intercore.rs
+++ b/examples/stm32h755cm4/src/bin/intercore.rs
@@ -55,9 +55,7 @@ mod shared {
             } else {
                 current & !(1 << bit) // Clear bit
             };
-
             self.led_states.store(new_value, Ordering::SeqCst);
-            core::sync::atomic::fence(Ordering::SeqCst);
         }
 
         /// Get current LED state
@@ -66,8 +64,6 @@ mod shared {
             let bit = if is_green { GREEN_LED_BIT } else { YELLOW_LED_BIT };
 
             let value = self.led_states.load(Ordering::SeqCst);
-            core::sync::atomic::fence(Ordering::SeqCst);
-
             (value & (1 << bit)) != 0
         }
 
@@ -78,7 +74,6 @@ mod shared {
             let current = self.counter.load(Ordering::SeqCst);
             let new_value = current.wrapping_add(1);
             self.counter.store(new_value, Ordering::SeqCst);
-            core::sync::atomic::fence(Ordering::SeqCst);
             new_value
         }
 
@@ -86,7 +81,6 @@ mod shared {
         #[inline(never)]
         pub fn get_counter(&self) -> u32 {
             let value = self.counter.load(Ordering::SeqCst);
-            core::sync::atomic::fence(Ordering::SeqCst);
             value
         }
     }
diff --git a/examples/stm32h755cm7/src/bin/intercore.rs b/examples/stm32h755cm7/src/bin/intercore.rs
index 530e782ab..a4e1b5ff4 100644
--- a/examples/stm32h755cm7/src/bin/intercore.rs
+++ b/examples/stm32h755cm7/src/bin/intercore.rs
@@ -67,7 +67,6 @@ mod shared {
             };
 
             self.led_states.store(new_value, Ordering::SeqCst);
-            core::sync::atomic::compiler_fence(Ordering::SeqCst);
         }
 
         /// Get current LED state
@@ -77,8 +76,6 @@ mod shared {
             let bit = if is_green { GREEN_LED_BIT } else { YELLOW_LED_BIT };
 
             let value = self.led_states.load(Ordering::SeqCst);
-            core::sync::atomic::compiler_fence(Ordering::SeqCst);
-
             (value & (1 << bit)) != 0
         }
 
@@ -88,7 +85,6 @@ mod shared {
             let current = self.counter.load(Ordering::SeqCst);
             let new_value = current.wrapping_add(1);
             self.counter.store(new_value, Ordering::SeqCst);
-            core::sync::atomic::compiler_fence(Ordering::SeqCst);
             new_value
         }
 
@@ -97,7 +93,6 @@ mod shared {
         #[allow(dead_code)]
         pub fn get_counter(&self) -> u32 {
             let value = self.counter.load(Ordering::SeqCst);
-            core::sync::atomic::compiler_fence(Ordering::SeqCst);
             value
         }
     }
-- 
cgit