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    SubjectRe: [PATCH 5/5] arm: boot: store ATAGs structure into DT "/chosen/linux,atags" entry
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    On Wednesday 25 November 2015 13:03:10 Tony Lindgren wrote:
    > * Arnd Bergmann <arnd@arndb.de> [151125 11:50]:
    > > On Wednesday 25 November 2015 10:16:44 Tony Lindgren wrote:
    > > > At least I don't have better solutions in mind.
    > >
    > > I would be happier if we could restrict this as much as possible to the
    > > boards that need it, as an opt-in. That way it doesn't become an ABI
    > > for people that don't already rely in this information. How about
    > > adding a check the code adds the linux,atags property to do it
    > > only for a whitelist of board numbers?
    >
    > Or populate /proc/atags only for the ones that need it from machine
    > specific init_early?

    That would also address my main concern about /proc/atags, but still
    leave the atags in /proc/device-tree/chosen/linux,atags, and it would
    be bad if someone who currently uses /proc/atags changes their code
    to use the other file instead of finding a proper solution.

    Arnd


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