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    SubjectRe: [RFC PATCH v3] drivercore: Add driver probe deferral mechanism
    On Monday 26 September 2011, Grant Likely wrote:
    > Actually, in the next iteration, I'm thinking it would be a good idea
    > to create a new #define to only be used by probe deferral. I want it
    > to be easy to find all the drivers that are using this mechanism
    > without needing to filter all the unrelated hits. However, this is a
    > kernel-only thing so it is probably not appropriate to add it to
    > include/asm-generic/errno.h. I could use some guidance/advice as to
    > the best way to handle this.

    include/linux/errno.h already has a bunch of kernel-internal error
    codes that are never supposed to be seen in user space. Just
    add one there, the next free one right now is 517, after


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