linux-kernel - Re: [PATCH v4 1/1] arm64/cpufeature: Optionally disable MTE via command-line

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Date:   Tue,  3 Aug 2021 16:48:27 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     linux-kernel@...r.kernel.org, yee.lee@...iatek.com
Cc:     Will Deacon <will@...nel.org>,
        "moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" 
        <linux-arm-kernel@...ts.infradead.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Kuan-Ying.lee@...iatek.com, James Morse <james.morse@....com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Hector Martin <marcan@...can.st>,
        Jonathan Corbet <corbet@....net>,
        Randy Dunlap <rdunlap@...radead.org>,
        chinwen.chang@...iatek.com, Vlastimil Babka <vbabka@...e.cz>,
        Amit Daniel Kachhap <amit.kachhap@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Mark Rutland <mark.rutland@....com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        David Brazdil <dbrazdil@...gle.com>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Fuad Tabba <tabba@...gle.com>, Marc Zyngier <maz@...nel.org>,
        "Maciej W. Rozycki" <macro@...am.me.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        nicholas.Tang@...iatek.com
Subject: Re: [PATCH v4 1/1] arm64/cpufeature: Optionally disable MTE via command-line

On Tue, 3 Aug 2021 15:08:22 +0800, yee.lee@...iatek.com wrote:
> MTE support needs to be optionally disabled in runtime
> for HW issue workaround, FW development and some
> evaluation works on system resource and performance.
> 
> This patch makes two changes:
> (1) moves init of tag-allocation bits(ATA/ATA0) to
> cpu_enable_mte() as not cached in TLB.
> 
> [...]

Applied to arm64 (for-next/mte), thanks!

[1/1] arm64/cpufeature: Optionally disable MTE via command-line
      https://git.kernel.org/arm64/c/7a062ce31807

-- 
Catalin