linux-kernel - Re: [PATCH 0/1] arm64: Add stack unwinder unit tests

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Message-ID: <20220706123124.GJ2403@willie-the-truck>
Date:   Wed, 6 Jul 2022 13:31:24 +0100
From:   Will Deacon <will@...nel.org>
To:     "Ivan T. Ivanov" <iivanov@...e.de>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Mark Brown <broonie@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "Madhavan T . Venkataraman" <madvenka@...ux.microsoft.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/1] arm64: Add stack unwinder unit tests

On Fri, Jun 24, 2022 at 05:09:59PM +0300, Ivan T. Ivanov wrote:
> Here is my initial arm64 unwinder test support. Code is based on s390
> unwinder tests, while errors introduced are mine. I am hopping that it
> will be useful for testing and validating upcoming arm64
> arch_stack_walk_reliable() support.

Thanks for doing this! Tests are always welcome.

Since you based this on the s390 code, how much scope is there for moving
the tests out of the arch/ directories and unifying them somewhere like
kselftest or lkdtm so that other archs can benefit too?

Will