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SubjectRe: [RFC PATCH -v2 0/4] Persistent events
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On Fri, 2012-08-17 at 11:20 -0400, Steven Rostedt wrote:
> If it wasn't for sparc, we could have done this with the ftrace buffers,
> but sparc has some crazy requirement that physical pages can only be
> mapped at certain locations, and you can't just take a bunch of random
> pages and map them at the same location.

same problem for perf.. I've meant to make it either mmap or splice but
not both, but I've never gotten around to actually implement any of
that.


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