Messages in this thread Patch in this message | | | Date | Wed, 13 May 2020 18:58:58 -0400 (EDT) | From | Mathieu Desnoyers <> | Subject | Re: [patch V4 part 1 19/36] x86/entry: Exclude low level entry code from sanitizing |
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----- On May 6, 2020, at 12:03 PM, Alexandre Chartre alexandre.chartre@oracle.com wrote:
> 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.
Looking at updated tree, the reviewed-by is there, but there is still way too much "code". ;)
Thanks,
Mathieu
> > 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,)
-- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
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