Messages in this thread | | | Subject | Re: Replacement for page fault notifiers? | From | Pavel Roskin <> | Date | Wed, 09 Jan 2008 15:41:08 -0500 |
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On Wed, 2008-01-09 at 20:26 +0000, Christoph Hellwig wrote: > On Wed, Jan 09, 2008 at 03:24:16PM -0500, Pavel Roskin wrote: > > I just assumed (wrongly, as it seems) that the API change didn't remove > > any useful functionality. > > No, this was exactly the correct assumption. Out of tree modules simply > don't count. > > > The problem is that mmiotrace only makes sense in combination with > > non-free drivers, and I'm not sure it would be welcome in the kernel > > even if you say so. > > It can trace every driver in theory although it's of course not > really interesting for free drivers. But it's not actually > functionality used by the drivers but functionlity to trace the drivers > so it's quite different anyway.
OK, that's reassuring. Maybe it could be used for profiling or to find bugs that are not obvious otherwise.
-- Regards, Pavel Roskin
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