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From:   Marco Elver <elver@google.com>
Date:   Fri, 31 May 2019 17:12:03 +0200
Message-ID: <CANpmjNNH2e5YpxKymXE0sTgcrrW0z0EP+dEsPJOfTQJ19yS_Yg@mail.gmail.com>
Subject: Re: [PATCH v2 0/3] Bitops instrumentation for KASAN
To:     Peter Zijlstra <peterz@infradead.org>,
        Andrey Ryabinin <aryabinin@virtuozzo.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Alexander Potapenko <glider@google.com>,
        Andrey Konovalov <andreyknvl@google.com>,
        Mark Rutland <mark.rutland@arm.com>
Cc:     Jonathan Corbet <corbet@lwn.net>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        "H. Peter Anvin" <hpa@zytor.com>,
        "the arch/x86 maintainers" <x86@kernel.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Josh Poimboeuf <jpoimboe@redhat.com>,
        "open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        linux-arch <linux-arch@vger.kernel.org>,
        kasan-dev <kasan-dev@googlegroups.com>
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Addressed comments, and sent v3:
http://lkml.kernel.org/r/20190531150828.157832-1-elver@google.com

Many thanks!

-- Marco

On Wed, 29 May 2019 at 16:23, Marco Elver <elver@google.com> wrote:
>
> The previous version of this patch series and discussion can be found
> here:  https://lkml.org/lkml/2019/5/28/769
>
> The most significant change is the change of the instrumented access
> size to cover the entire word of a bit.
>
> Marco Elver (3):
>   lib/test_kasan: Add bitops tests
>   x86: Move CPU feature test out of uaccess region
>   asm-generic, x86: Add bitops instrumentation for KASAN
>
>  Documentation/core-api/kernel-api.rst     |   2 +-
>  arch/x86/ia32/ia32_signal.c               |   9 +-
>  arch/x86/include/asm/bitops.h             | 210 ++++----------
>  include/asm-generic/bitops-instrumented.h | 317 ++++++++++++++++++++++
>  lib/test_kasan.c                          |  75 ++++-
>  5 files changed, 450 insertions(+), 163 deletions(-)
>  create mode 100644 include/asm-generic/bitops-instrumented.h
>
> --
> 2.22.0.rc1.257.g3120a18244-goog
>