Re: Replacement for page fault notifiers?

Christoph Hellwig
2008-01-08T20:32:49Z

On Tue, Jan 08, 2008 at 09:06:38PM +0200, Pekka Paalanen wrote:
> - Is there anything coming to replace register_page_fault_notifier()?

no.

> - Has someone found another way to accomplish the same without patching
> the kernel?

no.

> - Should I start writing a patch to bring back the notifiers, based on
> the commit that removed them?

no.

> People started to complain to me that mmio-trace does not compile for
> 2.6.24. At least the Nouveau project is a regular user of mmio-trace
> for reverse-engineering, and the tool should be easy to use. Therefore
> I would prefer not to force casual contributors to patch their kernels
> as it might be too much for some. I am hoping that 2.6.25, if not
> 2.6.24, would contain a mechanism to accomplish what I need.

Please make mmio tracing generic enough so it works for every device and
submit it for inclusion as a config option.