Messages in this thread | | | Date | Mon, 12 Oct 2009 22:05:15 -0600 | From | Jason Gunthorpe <> | Subject | Re: [ofa-general] Re: [GIT PULL] please pull ummunotify |
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On Mon, Oct 12, 2009 at 10:20:46PM +0200, Ingo Molnar wrote: > It might be more acceptable because the flag-hint mechanism can at most > cause over-flushing - while with perf events we might miss to invalidate > a range altogether.
Right. Overflushing is not important, but missing an event entirely is not recoverable (at least within the current kernel APIs).
Jason
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