Messages in this thread | | | From | Mike Frysinger <> | Date | Mon, 14 Feb 2011 12:29:56 -0500 | Subject | Re: [PATCH 0/2] jump label: 2.6.38 updates |
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On Mon, Feb 14, 2011 at 12:27, Peter Zijlstra wrote: > On Mon, 2011-02-14 at 12:18 -0500, Steven Rostedt wrote: >> blackfin, seems to be doing quite a lot. Not sure if it is required, but >> that may need a bit of investigating to understand why it does the >> raw_uncached thing. > > From what I can tell its flushing its write cache, invalidating its > d-cache and then issue the read, something which is _way_ overboard.
not when the cores in a SMP system lack cache coherency
please to review: http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:smp-like -mike
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