linux-kernel - Re: [PATCH v12 07/10] arm64: Introduce stack trace reliability checks in the unwinder

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Message-ID: <YdXOQTXscVaVFMJ3@sirena.org.uk>
Date:   Wed, 5 Jan 2022 16:58:41 +0000
From:   Mark Brown <broonie@...nel.org>
To:     madvenka@...ux.microsoft.com
Cc:     mark.rutland@....com, jpoimboe@...hat.com, ardb@...nel.org,
        nobuta.keiya@...itsu.com, sjitindarsingh@...il.com,
        catalin.marinas@....com, will@...nel.org, jmorris@...ei.org,
        linux-arm-kernel@...ts.infradead.org,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v12 07/10] arm64: Introduce stack trace reliability
 checks in the unwinder

On Mon, Jan 03, 2022 at 10:52:09AM -0600, madvenka@...ux.microsoft.com wrote:
> From: "Madhavan T. Venkataraman" <madvenka@...ux.microsoft.com>
> 
> There are some kernel features and conditions that make a stack trace
> unreliable. Callers may require the unwinder to detect these cases.
> E.g., livepatch.

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

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