linux-kernel - Re: [RFC PATCH v7 1/4] arm64: Make all stack walking functions use arch_stack

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Message-ID: <20210812152331.GA4239@sirena.org.uk>
Date:   Thu, 12 Aug 2021 16:23:31 +0100
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,
        pasha.tatashin@...een.com, jthierry@...hat.com,
        linux-arm-kernel@...ts.infradead.org,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v7 1/4] arm64: Make all stack walking functions use
 arch_stack_walk()

On Thu, Aug 12, 2021 at 08:24:32AM -0500, madvenka@...ux.microsoft.com wrote:

> Here is the list of functions:
> 
> 	perf_callchain_kernel()
> 	get_wchan()
> 	return_address()
> 	dump_backtrace()
> 	profile_pc()

I've not actually gone through this properly yet but my first thought is
that for clarity this should be split out into a patch per user plus one
to delete the old interface  - I'd not worry about it unless it needs to
get resubmitted though.

It'll definitely be good to get this done!

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