Re: [PATCH] add iommu_num_pages helper function

From: Ingo Molnar
Date: Tue Jul 29 2008 - 06:32:56 EST



* FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> wrote:

> On Tue, 29 Jul 2008 03:10:05 -0700 (PDT)
> David Miller <davem@xxxxxxxxxxxxx> wrote:
>
> > From: Joerg Roedel <joerg.roedel@xxxxxxx>
> > Date: Tue, 29 Jul 2008 11:50:27 +0200
> >
> > > I think moving that function to x86-only code is the best solution for
> > > now. Before moving it back to generic code we need an architecture
> > > independent way to find out the IOMMU page size.
> >
> > My suggestion (again) is to pass it in as a "const unsigned long
> > io_page_size" argument and update the callers.
>
> Either is fine by me.
>
> Joerg, if you like, please finish this (for all the architectures,
> please). As I said before, I planed to work on this cleanup after rc1
> (and this should have been 2.6.28 stuff). But I'd appreciate if you
> would do.

i've queued up your quick fix in tip/x86/urgent to resolve the immediate
-git build breakage. The wider patch can then be done on top of that,
without being rushed. Any objections to this approach?

Ingo
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