Messages in this thread |  | | Subject | Re: [PATCH v2 1/2] dcache: allow word-at-a-time name hashing with big-endian CPUs | From | Benjamin Herrenschmidt <> | Date | Fri, 13 Dec 2013 10:47:39 +1100 |
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On Thu, 2013-12-12 at 10:38 -0800, Linus Torvalds wrote: > Ok, looks good. So I'm taking these even though it's outside the merge > window - they're small, and until you enable DCACHE_WORD_ACCESS on > big-endian they don't actually do anything. > > Ben - you might want to check if this makes DCACHE_WORD_ACCESS useful > on PowerPC too. Right now that requires an efficient fls() > implementation, but I think you have "cntlz" like ARM does.
Thanks. I'll see if I can get somebody to measure it. It should be good though.
Cheers, Ben.
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