linux-kernel - Re: [PATCH 5/5] x86/sysfs: Add PPIN in sysfs under cpu topology

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Date:   Thu, 20 Jan 2022 23:48:08 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     "Luck, Tony" <tony.luck@...el.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Smita Koralahalli Channabasappa 
        <smita.koralahallichannabasappa@....com>,
        Wei Huang <wei.huang2@....com>,
        Tom Lendacky <thomas.lendacky@....com>, patches@...ts.linux.dev
Subject: Re: [PATCH 5/5] x86/sysfs: Add PPIN in sysfs under cpu topology

On Thu, Jan 20, 2022 at 10:01:51AM -0800, Luck, Tony wrote:
> It "looks" unused, But thanks to the obscurity of CPP macros using ## to
> concatenate tokens it is needed.

Ofcourse it is.

It crossed my mind for a second that, hey, that is *probably* used by
some macro magic there... oh well.

-- 
Regards/Gruss,
    Boris.

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