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From:   Jann Horn <jannh@google.com>
Date:   Thu, 4 Jun 2020 16:25:31 +0200
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Subject: Re: [PATCH 5/5] gcc-plugins/stackleak: Don't instrument
 vgettimeofday.c in arm64 VDSO
To:     Alexander Popov <alex.popov@linux.com>
Cc:     Will Deacon <will@kernel.org>, Kees Cook <keescook@chromium.org>,
        Emese Revfy <re.emese@gmail.com>,
        Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>,
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On Thu, Jun 4, 2020 at 4:21 PM Alexander Popov <alex.popov@linux.com> wrote:
> On 04.06.2020 17:14, Jann Horn wrote:
> > Maybe at some point we should replace exclusions based on
> > GCC_PLUGINS_CFLAGS and KASAN_SANITIZE and UBSAN_SANITIZE and
> > OBJECT_FILES_NON_STANDARD and so on with something more generic...
> > something that says "this file will not be built into the normal
> > kernel, it contains code that runs in realmode / userspace / some
> > similarly weird context, and none of our instrumentation
> > infrastructure is available there"...
>
> Good idea. I would also add 'notrace' to that list.

Hm? notrace code should definitely still be subject to sanitizer
instrumentation.