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Date:   Wed, 26 Feb 2020 13:44:59 -0800
From:   Kees Cook <keescook@chromium.org>
To:     Mark Brown <broonie@kernel.org>
Cc:     Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Paul Elliott <paul.elliott@arm.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Yu-cheng Yu <yu-cheng.yu@intel.com>,
        Amit Kachhap <amit.kachhap@arm.com>,
        Vincenzo Frascino <vincenzo.frascino@arm.com>,
        Marc Zyngier <maz@kernel.org>,
        Eugene Syromiatnikov <esyr@redhat.com>,
        Szabolcs Nagy <szabolcs.nagy@arm.com>,
        "H . J . Lu " <hjl.tools@gmail.com>,
        Andrew Jones <drjones@redhat.com>,
        Arnd Bergmann <arnd@arndb.de>, Jann Horn <jannh@google.com>,
        Richard Henderson <richard.henderson@linaro.org>,
        Kristina =?utf-8?Q?Mart=C5=A1enko?= <kristina.martsenko@arm.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Florian Weimer <fweimer@redhat.com>,
        Sudakshina Das <sudi.das@arm.com>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v7 00/11] arm64: Branch Target Identification support
Message-ID: <202002261343.3B2ECE90@keescook>
References: <20200226155714.43937-1-broonie@kernel.org>
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On Wed, Feb 26, 2020 at 03:57:03PM +0000, Mark Brown wrote:
> This patch series implements support for ARMv8.5-A Branch Target
> Identification (BTI), which is a control flow integrity protection
> feature introduced as part of the ARMv8.5-A extensions.
> 
> Changes:
> 
> v7:
>  - Rebase onto v5.6-rc3.
>  - Move comment about keeping NT_GNU_PROPERTY_TYPE_0 internal into first
>    patch.
>  - Add an explicit check for system_supports_bti() when parsing BTI ELF
>    property for improved robustness.

Looks good. I sent a few more Reviewed-bys where I could. Who is
expected to pick this up? Catalin? Will?

I'm excited to have both the ELF parser and BTI landed. :)

-Kees

-- 
Kees Cook