linux-kernel - [PATCH 3/3] x86/syscalls: Don't sdjust CFLAGS for syscall tables

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Date:   Mon, 24 May 2021 14:17:07 -0400
From:   Brian Gerst <brgerst@...il.com>
To:     linux-kernel@...r.kernel.org, x86@...nel.org
Cc:     Andy Lutomirski <luto@...nel.org>, Borislav Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Brian Gerst <brgerst@...il.com>
Subject: [PATCH 3/3] x86/syscalls: Don't sdjust CFLAGS for syscall tables

The syscall_*.c files only contain data (the syscall tables).  There
is no need to adjust CFLAGS for tracing and stack protector since they
contain no code.

Signed-off-by: Brian Gerst <brgerst@...il.com>
---
 arch/x86/entry/Makefile | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile
index 94d2843ce80c..7fec5dcf6438 100644
--- a/arch/x86/entry/Makefile
+++ b/arch/x86/entry/Makefile
@@ -8,14 +8,8 @@ UBSAN_SANITIZE := n
 KCOV_INSTRUMENT := n
 
 CFLAGS_REMOVE_common.o		= $(CC_FLAGS_FTRACE)
-CFLAGS_REMOVE_syscall_64.o	= $(CC_FLAGS_FTRACE)
-CFLAGS_REMOVE_syscall_32.o	= $(CC_FLAGS_FTRACE)
-CFLAGS_REMOVE_syscall_x32.o	= $(CC_FLAGS_FTRACE)
 
 CFLAGS_common.o			+= -fno-stack-protector
-CFLAGS_syscall_64.o		+= -fno-stack-protector
-CFLAGS_syscall_32.o		+= -fno-stack-protector
-CFLAGS_syscall_x32.o		+= -fno-stack-protector
 
 obj-y				:= entry_$(BITS).o thunk_$(BITS).o syscall_$(BITS).o
 obj-y				+= common.o
-- 
2.31.1