On Tue, 2 Jun 2020 at 20:49, 'Nick Desaulniers' via kasan-dev
<[email protected]> wrote:
>
> On Tue, Jun 2, 2020 at 11:44 AM 'Marco Elver' via Clang Built Linux
> <[email protected]> wrote:
> >
> > Adds the portable definitions for __no_sanitize_address, and
> > __no_sanitize_undefined, and subsequently changes noinstr to use the
> > attributes to disable instrumentation via KASAN or UBSAN.
> >
> > Link: https://lore.kernel.org/lkml/[email protected]/
> > Reported-by: [email protected]
> > Signed-off-by: Marco Elver <[email protected]>
>
> Currently most of our compiler attribute detection is done in
> include/linux/compiler_attributes.h; I think this should be handled
> there. +Miguel Ojeda
GCC and Clang define these very differently, and the way to query for
them is different too. All we want is a portable __no_sanitize, and
compiler-{gcc,clang}.h is the right place for that. Similar to why we
define the other __no_sanitize above the places they were added.
Thanks,
-- Marco
