rust/patches/0003-Disable-inline-assembly-in-spin_loop_hint.patch

33 lines
933 B
Diff

From 6a5c292f9f9e28de4319f52b05744ed7d8863f76 Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Sat, 6 Oct 2018 10:22:16 +0200
Subject: [PATCH] Disable inline assembly in spin_loop_hint
---
src/libcore/sync/atomic.rs | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/libcore/sync/atomic.rs b/src/libcore/sync/atomic.rs
index f130dbf..31db7a2 100644
--- a/src/libcore/sync/atomic.rs
+++ b/src/libcore/sync/atomic.rs
@@ -106,6 +106,7 @@ use fmt;
#[inline]
#[stable(feature = "spin_loop_hint", since = "1.24.0")]
pub fn spin_loop_hint() {
+ /*
#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
unsafe {
asm!("pause" ::: "memory" : "volatile");
@@ -115,6 +116,7 @@ pub fn spin_loop_hint() {
unsafe {
asm!("yield" ::: "memory" : "volatile");
}
+ */
}
/// A boolean type which can be safely shared between threads.
--
2.17.1 (Apple Git-112)