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Date:   Wed, 25 Nov 2020 15:44:08 +0000
From:   Will Deacon <will@...nel.org>
To:     Sumit Garg <sumit.garg@...aro.org>, alexandru.elisei@....com
Cc:     catalin.marinas@....com, kernel-team@...roid.com,
        Will Deacon <will@...nel.org>, tglx@...utronix.de,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        mingo@...hat.com, mark.rutland@....com, peterz@...radead.org,
        dianders@...omium.org, acme@...nel.org, swboyd@...omium.org,
        namhyung@...nel.org, alexander.shishkin@...ux.intel.com,
        jolsa@...hat.com, julien.thierry.kdev@...il.com,
        daniel.thompson@...aro.org
Subject: Re: [PATCH v4] arm64: Enable perf events based hard lockup detector

On Wed, 7 Oct 2020 14:21:43 +0530, Sumit Garg wrote:
> With the recent feature added to enable perf events to use pseudo NMIs
> as interrupts on platforms which support GICv3 or later, its now been
> possible to enable hard lockup detector (or NMI watchdog) on arm64
> platforms. So enable corresponding support.
> 
> One thing to note here is that normally lockup detector is initialized
> just after the early initcalls but PMU on arm64 comes up much later as
> device_initcall(). So we need to re-initialize lockup detection once
> PMU has been initialized.

Applied to will (for-next/perf), thanks!

[1/1] arm64: Enable perf events based hard lockup detector
      https://git.kernel.org/will/c/367c820ef080

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev

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