| Date | Sat, 20 Oct 2018 05:59:33 +0100 | From | Al Viro <> | Subject | Re: [PATCH 02/24] iov_iter: Renumber the ITER_* constants in uio.h |
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On Sat, Oct 20, 2018 at 02:10:52AM +0100, David Howells wrote: > Renumber the ITER_* constants in uio.h to be contiguous to make comparing > them more efficient in a switch-statement.
Are you sure that they *are* more efficient that way? Some of those paths are fairly hot, so much that I would really like to see profiles before and after these changes (both this and the previous one).
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