Commit 20355e5f authored Mar 05, 2020 by Peter Zijlstra Committed by Thomas Gleixner Jun 11, 2020

x86/entry: Exclude low level entry code from sanitizing

The sanitizers are not really applicable to the fragile low level entry
code. Entry code needs to carefully setup a normal 'runtime' environment.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Link: https://lkml.kernel.org/r/20200505134059.970057117@linutronix.de

parent 44d7e4fb

arch/x86/entry/Makefile

+8 −0

Original line number	Diff line number	Diff line
		@@ -3,6 +3,14 @@
		# Makefile for the x86 low level entry code
		#

		KASAN_SANITIZE := n
		UBSAN_SANITIZE := n
		KCOV_INSTRUMENT := n

		CFLAGS_REMOVE_common.o = $(CC_FLAGS_FTRACE) -fstack-protector -fstack-protector-strong
		CFLAGS_REMOVE_syscall_32.o = $(CC_FLAGS_FTRACE) -fstack-protector -fstack-protector-strong
		CFLAGS_REMOVE_syscall_64.o = $(CC_FLAGS_FTRACE) -fstack-protector -fstack-protector-strong

		OBJECT_FILES_NON_STANDARD_entry_64_compat.o := y

		CFLAGS_syscall_64.o += $(call cc-option,-Wno-override-init,)