linux-surface/pkg/arch/kernel-lts/0002-Makefile-disallow-data-races-on-gcc-10-as-well.patch
Maximilian Luz 3c76d63bef
Update Arch specific patches for GCC 10
These patches are taken from the Arch Linux LTS kernel source.
Including:

- Fix for kernel crashing with GCC 10 due to optimization causing
  invalid stack protector (see https://lkml.org/lkml/2020/3/14/186).

- Fix for GCC 10 command-line option changes.

- Plugin updates for GCC 10.

- Updates USER_NS_UNPRIVILEGED patch.
2020-05-16 15:55:53 +02:00

33 lines
988 B
Diff

From 6a183a41a1945cb79660a78536182ce9c2568291 Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyfox@gentoo.org>
Date: Tue, 17 Mar 2020 00:07:18 +0000
Subject: [PATCH 2/3] Makefile: disallow data races on gcc-10 as well
gcc-10 will rename --param=allow-store-data-races=0
to -fno-allow-store-data-races.
The flag change happened at https://gcc.gnu.org/PR92046.
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/Makefile b/Makefile
index ff2b90ddc9bc..c8dc1357079b 100644
--- a/Makefile
+++ b/Makefile
@@ -713,6 +713,7 @@ endif
# Tell gcc to never replace conditional load with a non-conditional one
KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0)
+KBUILD_CFLAGS += $(call cc-option,-fno-allow-store-data-races)
include scripts/Makefile.kcov
include scripts/Makefile.gcc-plugins
--
2.26.2