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    SubjectRe: Changes to sysfs PM layer break userspace
    On Tue, 19 Dec 2006 18:35:39 -0800
    Randy Dunlap <randy.dunlap@oracle.com> wrote:

    > On Tue, 19 Dec 2006 18:15:24 -0800 Andrew Morton wrote:
    >
    > > On Tue, 19 Dec 2006 13:34:49 -0800
    > > David Brownell <david-b@pacbell.net> wrote:
    > >
    > > > Documentation/feature-removal-schedule.txt has warned about this since
    > > > August
    > >
    > > Nobody reads that.
    >
    > Ugh, I read it.
    >
    > > Please, wherever possible, put a nice printk("this is going away") in the code
    > > when planning these things.
    >
    > Can notices go in both places, or is in the source code (printk)
    > now the preferred way?

    I think printks grab a lot more attention. It's not surprising that people
    get surprised when the feature they're using goes away.

    Plus they may not even know that that they're using the feature. A printk
    fixes that.

    > I think that we can point people to Doc/feature-removal-schedule.txt
    > easier (and more effectively) than we can source code (or noisy kernel
    > logs).

    Hopefully developers who see the printk will think to look in
    feature-removal-schedule.txt for more details.

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