Re: [PATCH 0/2] jump label: 2.6.38 updates

[Mike Frysinger]

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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