Messages in this thread Patch in this message | | | Date | Tue, 19 May 2020 19:58:48 -0000 | From | "tip-bot2 for Peter Zijlstra" <> | Subject | [tip: x86/entry] x86/entry: Exclude low level entry code from sanitizing |
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The following commit has been merged into the x86/entry branch of tip:
Commit-ID: d13c070160256152bbc5d2072d39a339846fa5b7 Gitweb: https://git.kernel.org/tip/d13c070160256152bbc5d2072d39a339846fa5b7 Author: Peter Zijlstra <peterz@infradead.org> AuthorDate: Thu, 05 Mar 2020 14:01:25 +01:00 Committer: Thomas Gleixner <tglx@linutronix.de> CommitterDate: Fri, 15 May 2020 20:03:05 +02:00
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
--- arch/x86/entry/Makefile | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile index 85eb381..cdf45ff 100644 --- a/arch/x86/entry/Makefile +++ b/arch/x86/entry/Makefile @@ -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,)
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