From 47dd17b87bdc228727cf697c9fd4ca5124a53980 Mon Sep 17 00:00:00 2001
From: zaniebot <242828183+zaniebot@users.noreply.github.com>
Date: Wed, 21 Oct 2026 22:52:43 +0000
Subject: [PATCH 1/2] Enable the Cortex-A53 erratum 843419 workaround for
 AArch64 Linux glibc

---
 cpython-unix/targets.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cpython-unix/targets.yml b/cpython-unix/targets.yml
index 7d73dbaae..e20586265 100644
--- a/cpython-unix/targets.yml
+++ b/cpython-unix/targets.yml
@@ -164,6 +164,7 @@ aarch64-unknown-linux-gnu:
     - '-fdebug-default-version=4'
   target_ldflags:
     - '--sysroot=/usr/aarch64-linux-gnu'
+    - '-Wl,--fix-cortex-a53-843419'
     # Hardening
     - '-Wl,-z,noexecstack'
     - '-Wl,-z,relro'

From 3e404f03f1e12d820c3a13c64c3564f3f753f3f7 Mon Sep 17 00:00:00 2001
From: zaniebot <242828183+zaniebot@users.noreply.github.com>
Date: Wed, 21 Oct 2026 22:53:32 +0000
Subject: [PATCH 2/2] Explain the Cortex-A53 linker workaround

---
 cpython-unix/targets.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cpython-unix/targets.yml b/cpython-unix/targets.yml
index e20586265..d0b77f997 100644
--- a/cpython-unix/targets.yml
+++ b/cpython-unix/targets.yml
@@ -164,6 +164,7 @@ aarch64-unknown-linux-gnu:
     - '-fdebug-default-version=4'
   target_ldflags:
     - '--sysroot=/usr/aarch64-linux-gnu'
+    # Work around Cortex-A53 erratum 843419 in linked code.
     - '-Wl,--fix-cortex-a53-843419'
     # Hardening
     - '-Wl,-z,noexecstack'