linux-kernel - Re: [PATCH] ata: ahci: Enable/Disable ATA Staggered Spin-up by default

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Message-ID: <YymD8ncMTUrAqAeL@infradead.org>
Date:   Tue, 20 Sep 2022 02:12:18 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Eric Curtin <ecurtin@...hat.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
        Brian Masney <bmasney@...hat.com>, Al Stone <ahs3@...hat.com>,
        Alexander Larsson <alexl@...hat.com>,
        Andrew Halaney <ahalaney@...hat.com>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Joe Konno <joe.konno@...el.com>
Subject: Re: [PATCH] ata: ahci: Enable/Disable ATA Staggered Spin-up by
 default

On Tue, Sep 20, 2022 at 10:04:20AM +0100, Eric Curtin wrote:
> The libahci.ignore_sss flag is something that is set by a number of
> performance focused distros. The motivation behind this is to set
> ignore_sss in a boolean fashion at compile time rather than depend on
> cmdline parsing.

So set it in CONFIG_CMDLINE if you want it enabled at compile time.
The whole point of a built-in command line is to not add another
Kconfig option for every bloody option that someone wants a default
for.