Re: [Linux-fbdev-devel] [PATCH] video: arch specific page protection support for deferred io

[Andrew M. <ak...@li...>]

On Fri, 26 Jun 2009 02:38:06 +0900
Paul Mundt <le...@li...> wrote:

> On Thu, Jun 25, 2009 at 12:03:59AM -0700, Andrew Morton wrote:
> > On Thu, 25 Jun 2009 15:06:24 +0900 Magnus Damm <mag...@gm...> wrote:
> > > There are 3 levels of dependencies:
> > > 1: pgprot_noncached() patches from Arnd
> > > 2: mm: uncached vma support with writenotify
> > > 3: video: arch specfic page protection support for deferred io
> > > 
> > > 2 depends on 1 to compile, but 3 (this one) is disconnected from 2 and
> > > 1. So this patch can be merged independently.
> > 
> > OIC.  I didn't like the idea of improper runtime operation ;)
> > 
> > Still, it's messy.  If only because various trees might be running
> > untested combinations of patches.  Can we get these all into the same
> > tree?  Paul's?
> > 
> #1 is a bit tricky. cris has already merged the pgprot_noncached() patch,
> which means only m32r and xtensa are outstanding, and unfortunately
> neither one of those is very fast to pick up changes. OTOH, both of those
> do include asm-generic/pgtable.h, so the build shouldn't break in -next
> for those two if I merge #2 and #3, even if the behaviour won't be
> correct for those platforms until they merge their pgprot_noncached()
> patches (I think this is ok, since it's not changing any behaviour they
> experience today anyways).
> 
> It would be nice to have an ack from someone for #2 before merging it,
> but it's been out there long enough that people have had ample time to
> raise objections.
> 
> So I'll make this the last call for acks or nacks on #2 and #3, if none
> show up in the next couple of days, I'll fold them in to my tree and
> they'll show up in -next starting next week.

Well my head span off ages ago.  Could someone please resend all three
patches?

<hunts around and finds #2>

I don't really understand that one.  Have we heard fro Jaya recently?