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    SubjectRe: [patch V4 part 1 19/36] x86/entry: Exclude low level entry code from sanitizing
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    On 5/5/20 3:16 PM, Thomas Gleixner wrote:
    > The sanitizers are not really applicable to the fragile low level entry
    > code. code. Entry code needs to carefully setup a normal 'runtime'

    typo: code. code.

    Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>

    alex.


    > environment.
    >
    > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
    > Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    > ---
    > arch/x86/entry/Makefile | 8 ++++++++
    > 1 file changed, 8 insertions(+)
    >
    > --- 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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