linux-kernel - Re: [PATCH v6 05/21] arm64: Advertise CPUs capable of running 32-bit applications in sysfs

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Message-ID: <20210521110008.GG6675@arm.com>
Date:   Fri, 21 May 2021 12:00:09 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Will Deacon <will@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org, Marc Zyngier <maz@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Qais Yousef <qais.yousef@....com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Quentin Perret <qperret@...gle.com>, Tejun Heo <tj@...nel.org>,
        Li Zefan <lizefan@...wei.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Ingo Molnar <mingo@...hat.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>, kernel-team@...roid.com
Subject: Re: [PATCH v6 05/21] arm64: Advertise CPUs capable of running 32-bit
 applications in sysfs

On Tue, May 18, 2021 at 10:47:09AM +0100, Will Deacon wrote:
> Since 32-bit applications will be killed if they are caught trying to
> execute on a 64-bit-only CPU in a mismatched system, advertise the set
> of 32-bit capable CPUs to userspace in sysfs.
> 
> Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Will Deacon <will@...nel.org>

Reviewed-by: Catalin Marinas <catalin.marinas@....com>