linux-kernel - Re: [PATCH v6 01/11] ELF: UAPI and Kconfig additions for ELF program properties

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Message-ID: <202002252147.7BFF9EE@keescook>
Date:   Tue, 25 Feb 2020 21:49:35 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Paul Elliott <paul.elliott@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Yu-cheng Yu <yu-cheng.yu@...el.com>,
        Amit Kachhap <amit.kachhap@....com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Marc Zyngier <maz@...nel.org>,
        Eugene Syromiatnikov <esyr@...hat.com>,
        Szabolcs Nagy <szabolcs.nagy@....com>,
        "H . J . Lu " <hjl.tools@...il.com>,
        Andrew Jones <drjones@...hat.com>,
        Arnd Bergmann <arnd@...db.de>, Jann Horn <jannh@...gle.com>,
        Richard Henderson <richard.henderson@...aro.org>,
        Kristina Martšenko <kristina.martsenko@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Florian Weimer <fweimer@...hat.com>,
        Sudakshina Das <sudi.das@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Dave Martin <Dave.Martin@....com>
Subject: Re: [PATCH v6 01/11] ELF: UAPI and Kconfig additions for ELF program
 properties

On Wed, Feb 12, 2020 at 07:28:56PM +0000, Mark Brown wrote:
> From: Dave Martin <Dave.Martin@....com>
> 
> Pull the basic ELF definitions relating to the
> NT_GNU_PROPERTY_TYPE_0 note from Yu-Cheng Yu's earlier x86 shstk
> series.

Both BTI and SHSTK depend on this. If BTI doesn't land soon, can this
and patch 2 land separately? I don't like seeing the older version in
the SHSTK series -- I worry there will be confusion and the BTI version
(which is more up to date) will get missed.

What's left to land BTI support?

-- 
Kees Cook