linux-kernel - Re: [RFC PATCH v2 1/1] arm64: Implement stack trace termination record

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Message-ID: <20210416161740.GH5560@sirena.org.uk>
Date:   Fri, 16 Apr 2021 17:17:40 +0100
From:   Mark Brown <broonie@...nel.org>
To:     madvenka@...ux.microsoft.com
Cc:     mark.rutland@....com, jpoimboe@...hat.com, jthierry@...hat.com,
        catalin.marinas@....com, will@...nel.org,
        linux-arm-kernel@...ts.infradead.org,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 1/1] arm64: Implement stack trace termination
 record

On Thu, Apr 01, 2021 at 10:24:04PM -0500, madvenka@...ux.microsoft.com wrote:

> Reliable stacktracing requires that we identify when a stacktrace is
> terminated early. We can do this by ensuring all tasks have a final
> frame record at a known location on their task stack, and checking
> that this is the final frame record in the chain.

Reviewed-by: Mark Brown <broonie@...nel.org>

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