Messages in this thread | | | From | Marco Elver <> | Date | Tue, 2 Jun 2020 21:07:01 +0200 | Subject | Re: [PATCH -tip 1/2] Kconfig: Bump required compiler version of KASAN and UBSAN |
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On Tue, 2 Jun 2020 at 20:53, Andrey Konovalov <andreyknvl@google.com> wrote: > > On Tue, Jun 2, 2020 at 8:44 PM Marco Elver <elver@google.com> wrote: > > > > Adds config variable CC_HAS_WORKING_NOSANITIZE, which will be true if we > > have a compiler that does not fail builds due to no_sanitize functions. > > This does not yet mean they work as intended, but for automated > > build-tests, this is the minimum requirement. > > > > For example, we require that __always_inline functions used from > > no_sanitize functions do not generate instrumentation. On GCC <= 7 this > > fails to build entirely, therefore we make the minimum version GCC 8. > > Could you also update KASAN docs to mention this requirement? As a > separate patch or in v2, up to you.
I can do a v2 tomorrow. But all this is once again tangled up with KCSAN, so I was hoping to keep changes minimal. ;-)
Thanks, -- Marco
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