From d85fe6bdd5683a619f4db4e2ef7e9f6af5d3d12d Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Sat, 12 Apr 2025 17:14:01 +0200
Subject: [PATCH] Revert "Add a workaround for UB on arm64"

The kernel bug that caused this has been fixed.

This reverts commit 4d82cd90f8919ad620b3dde793566b4ada281b2f.
---
 redox-rt/src/proc.rs | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/redox-rt/src/proc.rs b/redox-rt/src/proc.rs
index 26b730b861..c04897fb3a 100644
--- a/redox-rt/src/proc.rs
+++ b/redox-rt/src/proc.rs
@@ -647,10 +647,6 @@ impl MmapGuard {
 
         Ok(())
     }
-
-    // Without this inline(never), UB somewhere causes the flags to be set to 0 on arm64.
-    // FIXME Find the UB and fix it
-    #[inline(never)]
     pub unsafe fn map_mut_anywhere<'a>(
         fd: usize,
         offset: usize,