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    SubjectRe: [PATCH UPDATED] percpu: use dynamic percpu allocator as the default percpu allocator
    Hello,

    Martin Schwidefsky wrote:
    > On Mon, 30 Mar 2009 19:07:44 +0900
    > Tejun Heo <tj@kernel.org> wrote:
    >
    >> Okay, this should keep s390 and alpha working till proper solution is
    >> found. Martin, can you please verify? Ingo, please feel free to push
    >> this upstream (or -next) once Martin acks.
    >
    > Looks good, everything compiles and the static per-cpu variables are
    > resolved via GOTENT:
    >
    > Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

    Thanks.

    > For the proper solution, the easiest fix is imho to define a
    > variant of SHIFT_PERCPU_PTR. The macro is currently used for dynamic
    > pointers and for per-cpu symbols. We only want to use the GOTENT
    > indirection for per-cpu symbols. So why don't we split it into
    > 1) SHIFT_PERCPU_SYMBOL for per-cpu symbols and
    > 2) SHIFT_PERCPU_PTR for dynamically allocated pointers?
    > For s390 the first would be the current SHIFT_PERCPU_PTR macro, the
    > second would be a simple RELOC_HIDE. The patch would be really
    > short ..

    Eh... I wrote in the other reply but unifying the two is kind of one
    of the main goals, so....

    --
    tejun


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