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[4/4] arm/linux-yocto: add gcc 13 gimple backport patch

Message ID 20230605130156.3309199-4-jon.mason@arm.com
State New
Headers show
Series [1/4] arm/linux-yocto: remove unused 5.15 patches and inc file | expand

Commit Message

Jon Mason June 5, 2023, 1:01 p.m. UTC 
Issue when building the kernel on FVP (and probably all aarch64
platforms) with GCC 13 on the 6.1 kernel (and possibly others).
Backport the upstream fix.

Signed-off-by: Jon Mason <jon.mason@arm.com>
---
 ...eorganize-gimple-includes-for-GCC-13.patch | 47 +++++++++++++++++++
 .../linux/linux-yocto%.bbappend               |  1 +
 2 files changed, 48 insertions(+)
 create mode 100644 meta-arm/recipes-kernel/linux/files/aarch64/0001-gcc-plugins-Reorganize-gimple-includes-for-GCC-13.patch
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Patch

diff --git a/meta-arm/recipes-kernel/linux/files/aarch64/0001-gcc-plugins-Reorganize-gimple-includes-for-GCC-13.patch b/meta-arm/recipes-kernel/linux/files/aarch64/0001-gcc-plugins-Reorganize-gimple-includes-for-GCC-13.patch
new file mode 100644
index 00000000..e4d8936f
--- /dev/null
+++ b/meta-arm/recipes-kernel/linux/files/aarch64/0001-gcc-plugins-Reorganize-gimple-includes-for-GCC-13.patch
@@ -0,0 +1,47 @@ 
+From e6a71160cc145e18ab45195abf89884112e02dfb Mon Sep 17 00:00:00 2001
+From: Kees Cook <keescook@chromium.org>
+Date: Wed, 18 Jan 2023 12:21:35 -0800
+Subject: [PATCH] gcc-plugins: Reorganize gimple includes for GCC 13
+
+The gimple-iterator.h header must be included before gimple-fold.h
+starting with GCC 13. Reorganize gimple headers to work for all GCC
+versions.
+
+Reported-by: Palmer Dabbelt <palmer@rivosinc.com>
+Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
+Link: https://lore.kernel.org/all/20230113173033.4380-1-palmer@rivosinc.com/
+Cc: linux-hardening@vger.kernel.org
+Signed-off-by: Kees Cook <keescook@chromium.org>
+
+Upstream-Status: Backport
+Signed-off-by: Jon Mason <jon.mason@arm.com>
+
+---
+ scripts/gcc-plugins/gcc-common.h | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h
+index 9a1895747b15..84c730da36dd 100644
+--- a/scripts/gcc-plugins/gcc-common.h
++++ b/scripts/gcc-plugins/gcc-common.h
+@@ -71,7 +71,9 @@
+ #include "varasm.h"
+ #include "stor-layout.h"
+ #include "internal-fn.h"
++#include "gimple.h"
+ #include "gimple-expr.h"
++#include "gimple-iterator.h"
+ #include "gimple-fold.h"
+ #include "context.h"
+ #include "tree-ssa-alias.h"
+@@ -85,10 +87,8 @@
+ #include "tree-eh.h"
+ #include "stmt.h"
+ #include "gimplify.h"
+-#include "gimple.h"
+ #include "tree-phinodes.h"
+ #include "tree-cfg.h"
+-#include "gimple-iterator.h"
+ #include "gimple-ssa.h"
+ #include "ssa-iterators.h"
+ 
diff --git a/meta-arm/recipes-kernel/linux/linux-yocto%.bbappend b/meta-arm/recipes-kernel/linux/linux-yocto%.bbappend
index 883ed2ca..3f2c83fd 100644
--- a/meta-arm/recipes-kernel/linux/linux-yocto%.bbappend
+++ b/meta-arm/recipes-kernel/linux/linux-yocto%.bbappend
@@ -4,6 +4,7 @@  FILESEXTRAPATHS:prepend:aarch64 = "${ARMFILESPATHS}"
 SRC_URI:append:aarch64 = " \
     file://0001-Revert-arm64-defconfig-Enable-Tegra-MGBE-driver.patch \
     file://0002-Revert-arm64-defconfig-Add-Nuvoton-NPCM-family-suppo.patch \
+    file://0001-gcc-plugins-Reorganize-gimple-includes-for-GCC-13.patch \
     "
 
 COMPATIBLE_MACHINE:generic-arm64 = "generic-arm64"