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

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Message-ID: <CAOgh=FxMBE_YEC89DmeF9g76aQXrvAH1DvUavS1FhNiXqEYhAg@mail.gmail.com>
Date:   Tue, 20 Sep 2022 10:04:20 +0100
From:   Eric Curtin <ecurtin@...hat.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     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

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.

On Tue, 20 Sept 2022 at 07:56, Christoph Hellwig <hch@...radead.org> wrote:
>
> Err, no.  We should not add config options for every damn default.
> If you want to force it on CONFIG_CMDLINE is your friend.
>