linux-kernel - [PATCH -next v2 1/2] x86/boot/compressed: Add "-Wall" flag to Makefile

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Date:   Tue, 27 Sep 2022 08:15:11 +0000
From:   Li Zetao <lizetao1@...wei.com>
To:     <tglx@...utronix.de>, <mingo@...hat.com>, <bp@...en8.de>,
        <dave.hansen@...ux.intel.com>, <x86@...nel.org>, <hpa@...or.com>,
        <kirill.shutemov@...ux.intel.com>, <nathan@...nel.org>,
        <akpm@...ux-foundation.org>, <ndesaulniers@...gle.com>,
        <masahiroy@...nel.org>,
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
CC:     <lizetao1@...wei.com>, <michael.roth@....com>,
        <brijesh.singh@....com>, <venu.busireddy@...cle.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH -next v2 1/2] x86/boot/compressed: Add "-Wall" flag to Makefile

Compressed/Makefile does not have "-Wall" flag, this is the old problem of
x86 not sharing makefiles. Fix by adding "-Wall" flag to Makefile.

Signed-off-by: Li Zetao <lizetao1@...wei.com>
---
v1 -> v2: patch is new

 arch/x86/boot/compressed/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 3a261abb6d15..bcef0554b560 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -35,7 +35,7 @@ targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
 # be valid.
 KBUILD_CFLAGS := -m$(BITS) -O2 $(CLANG_FLAGS)
 KBUILD_CFLAGS += -fno-strict-aliasing -fPIE
-KBUILD_CFLAGS += -Wundef
+KBUILD_CFLAGS += -Wundef -Wall
 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
 cflags-$(CONFIG_X86_32) := -march=i386
 cflags-$(CONFIG_X86_64) := -mcmodel=small -mno-red-zone
-- 
2.34.1