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Date:   Wed, 2 Sep 2020 18:38:03 +0100
From:   Mark Brown <broonie@kernel.org>
To:     Mark Rutland <mark.rutland@arm.com>
Cc:     Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Vasily Gorbik <gor@linux.ibm.com>,
        Heiko Carstens <hca@linux.ibm.com>,
        Borislav Petkov <bp@alien8.de>,
        Thomas Gleixner <tglx@linutronix.de>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Christian Borntraeger <borntraeger@de.ibm.com>,
        Ingo Molnar <mingo@kernel.org>,
        Jiri Slaby <jirislaby@kernel.org>, x86@kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org,
        linux-kernel@vger.kernel.org, Miroslav Benes <mbenes@suse.cz>
Subject: Re: [PATCH v2 0/3] arm64: Convert to ARCH_STACKWALK
Message-ID: <20200902173803.GE6162@sirena.org.uk>
References: <20200819124913.37261-1-broonie@kernel.org>
 <20200901160626.GE95447@C02TD0UTHF1T.local>
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On Tue, Sep 01, 2020 at 05:06:26PM +0100, Mark Rutland wrote:

> Just to check, has the skipping logic been tested to work equivalently
> to what we had before? By inspection I think it should, but since it
> relies on function call boundaries it always strikes me as fragile.

> If you could confirm that (e.g. with LKDTM perhaps?)=A0that'd be great.
> Assuming that looks right, for the series:

I've tested this with LKDTM and otherwise and didn't spot any issues
(and just did a bit of retesting) but it is a pretty manual process so
it's possible I missed something.

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