linux-kernel - Re: [PATCH v10 00/13] arm64: Branch Target Identification support

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Date:   Tue, 28 Apr 2020 14:28:05 +0100
From:   Will Deacon <will@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>
Cc:     Mark Brown <broonie@...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>,
        Kees Cook <keescook@...omium.org>,
        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
Subject: Re: [PATCH v10 00/13] arm64: Branch Target Identification support

On Wed, Apr 22, 2020 at 05:29:54PM +0100, Catalin Marinas wrote:
> On Wed, Apr 22, 2020 at 04:44:36PM +0100, Mark Brown wrote:
> > On Mon, Mar 16, 2020 at 04:50:42PM +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.
> > 
> > I've not resent this since the branch is still sitting in the arm64 tree
> > but it's also not in -next at the minute - is there anything you're
> > waiting for from my end here?
> 
> It's up to Will whether he wants a new series posted. The for-next/bti
> branch is complete AFAICT, only that normally we start queueing stuff
> (and push to -next) around -rc3.

I'm happy either way, but it would be nice to base other BTI patches on
top of this branch. Mark -- is it easier for you to refresh the series
against v5.7-rc3, or leave it like it is? Please just let me know either
way.

Thanks,

Will