Messages in this thread | | | Date | Wed, 6 Mar 2019 15:55:55 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH 1/8] kasan,x86: Frob kasan_report() in an exception |
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On Wed, Mar 06, 2019 at 03:40:51PM +0100, Dmitry Vyukov wrote: > On Wed, Mar 6, 2019 at 3:34 PM Peter Zijlstra <peterz@infradead.org> wrote:
> > mm/kasan/generic_report.o: warning: objtool: __asan_report_load1_noabort()+0x0: call to __fentry__() with UACCESS enabled
> But if it makes things simpler for the objtool, then I think we can > disable function tracer for generic_report.c too.
It's not simpler; it is actually a correctness issue. Those functions must not call into the tracer with AC=1
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