linux-kernel - Re: [RFC PATCH v4 2/2] arm64: Create a list of SYM_CODE functions, blacklist them in the unwinder

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Date:   Wed, 19 May 2021 02:06:20 +0000
From:   "nobuta.keiya@...itsu.com" <nobuta.keiya@...itsu.com>
To:     "madvenka@...ux.microsoft.com" <madvenka@...ux.microsoft.com>
CC:     "broonie@...nel.org" <broonie@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "jpoimboe@...hat.com" <jpoimboe@...hat.com>,
        "ardb@...nel.org" <ardb@...nel.org>,
        "jthierry@...hat.com" <jthierry@...hat.com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will@...nel.org" <will@...nel.org>,
        "jmorris@...ei.org" <jmorris@...ei.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "pasha.tatashin@...een.com" <pasha.tatashin@...een.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "live-patching@...r.kernel.org" <live-patching@...r.kernel.org>
Subject: Re: [RFC PATCH v4 2/2] arm64: Create a list of SYM_CODE functions,
 blacklist them in the unwinder

Hi Madhavan,

> +static bool unwinder_blacklisted(unsigned long pc)
> +{

I've heard that the Linux community is currently avoiding the introduction of the
term 'blacklist', see:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=49decddd39e5f6132ccd7d9fdc3d7c470b0061bb


Thanks & Best Regards,
Keiya Nobuta