From: Lai Jiangshan <jiangshanlai@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Lai Jiangshan <laijs@linux.alibaba.com>,
Tony Luck <tony.luck@intel.com>, Borislav Petkov <bp@alien8.de>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
linux-edac@vger.kernel.org
Subject: [PATCH V2 27/41] x86/mce: Remove stack protector from mce/core.c
Date: Sun, 26 Sep 2021 23:08:24 +0800 [thread overview]
Message-ID: <20210926150838.197719-28-jiangshanlai@gmail.com> (raw)
In-Reply-To: <20210926150838.197719-1-jiangshanlai@gmail.com>
From: Lai Jiangshan <laijs@linux.alibaba.com>
mce/core.c is going to contain __entry_code which can not be instrumented
by stack protector.
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
---
arch/x86/kernel/cpu/mce/Makefile | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/x86/kernel/cpu/mce/Makefile b/arch/x86/kernel/cpu/mce/Makefile
index 015856abdbb1..ce192c5344fc 100644
--- a/arch/x86/kernel/cpu/mce/Makefile
+++ b/arch/x86/kernel/cpu/mce/Makefile
@@ -1,4 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
+
+CFLAGS_REMOVE_core.o = -fstack-protector -fstack-protector-strong
+CFLAGS_core.o += -fno-stack-protector
+
obj-y = core.o severity.o genpool.o
obj-$(CONFIG_X86_ANCIENT_MCE) += winchip.o p5.o
--
2.19.1.6.gb485710b
parent reply other threads:[~2021-09-26 15:11 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20210926150838.197719-1-jiangshanlai@gmail.com>]
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