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    SubjectRe: linux-next: manual merge of the tip tree with the cputime tree
    On Mon, 19 Dec 2011 15:08:43 +0100
    Peter Zijlstra <peterz@infradead.org> wrote:

    > On Mon, 2011-12-19 at 13:31 +0100, Martin Schwidefsky wrote:
    > > Just one question: are you sure that you want the cpustat array
    > > to be u64 instead of cputime64_t? The content of the cpustat array is defined
    > > by the architecture semantics of cputime64_t, for CONFIG_VIRT_CPU_ACCOUNTING=y
    > > this is not a jiffy counter. If the array is u64 we won't get the sparse
    > > checking when reading from cpustat.
    >
    > So as Glauber said the reason was that we wanted to use simply
    > operators, and IIRC he wanted to add a few fields that had to be u64.
    >
    > I'm not sure what the current plans are wrt adding more fields, but with
    > your work cputime_t should again be a simple type and thus regular math
    > operators should work again, right?

    Correct.

    --
    blue skies,
    Martin.

    "Reality continues to ruin my life." - Calvin.



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