linux-kernel - RE: [PATCH net-next v2] ethernet/intel: fix PTP_1588

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Message-ID: <CO1PR11MB5089DBFAEB671ED58D9BAEADD6EF9@CO1PR11MB5089.namprd11.prod.outlook.com>
Date:   Mon, 2 Aug 2021 21:09:19 +0000
From:   "Keller, Jacob E" <jacob.e.keller@...el.com>
To:     Arnd Bergmann <arnd@...nel.org>
CC:     Richard Cochran <richardcochran@...il.com>,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        "Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
        "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        "Saleem, Shiraz" <shiraz.saleem@...el.com>,
        "Ertman, David M" <david.m.ertman@...el.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH net-next v2] ethernet/intel: fix PTP_1588_CLOCK
 dependencies



> -----Original Message-----
> From: Arnd Bergmann <arnd@...nel.org>
> Sent: Monday, August 02, 2021 1:59 PM
> To: Keller, Jacob E <jacob.e.keller@...el.com>
> Cc: Richard Cochran <richardcochran@...il.com>; Nicolas Pitre
> <nicolas.pitre@...aro.org>; Brandeburg, Jesse <jesse.brandeburg@...el.com>;
> Nguyen, Anthony L <anthony.l.nguyen@...el.com>; David S. Miller
> <davem@...emloft.net>; Jakub Kicinski <kuba@...nel.org>; Arnd Bergmann
> <arnd@...db.de>; Kurt Kanzenbach <kurt@...utronix.de>; Saleem, Shiraz
> <shiraz.saleem@...el.com>; Ertman, David M <david.m.ertman@...el.com>;
> intel-wired-lan@...ts.osuosl.org; netdev@...r.kernel.org; linux-
> kernel@...r.kernel.org
> Subject: Re: [PATCH net-next v2] ethernet/intel: fix PTP_1588_CLOCK
> dependencies
> 
> I don't want to mess with the semantics of the keyword any further.
> The original meaning was meant to avoid circular dependencies
> by making it a softer version of 'select' that would not try to select
> anything that has unmet dependencies. The current version made
> it even softer by only having an effect during 'make defconfig'
> and 'make oldconfig' but not preventing it from being soft-disabled
> any more. Changing it yet again is guarantee to break lots of the
> existing users, while probably also bringing back the original problem
> of the circular dependencies.
> 
>          Arnd

Yea ok that makes sense. Better to use a new keyword if we do at all.