[Intel-gfx] [PATCH 2/5] mm: Refactor remap_pfn_range()

[Peter Zijlstra]

On Tue, Apr 07, 2015 at 01:27:21PM -0700, Andrew Morton wrote:
> On Tue,  7 Apr 2015 17:31:36 +0100 Chris Wilson <chris at chris-wilson.co.uk> wrote:
> 
> > In preparation for exporting very similar functionality through another
> > interface, gut the current remap_pfn_range(). The motivating factor here
> > is to reuse the PGB/PUD/PMD/PTE walker, but allow back progation of
> > errors rather than BUG_ON.
> 
> I'm not on intel-gfx and for some reason these patches didn't show up on
> linux-mm.  I wanted to comment on "mutex: Export an interface to wrap a
> mutex lock" but
> http://lists.freedesktop.org/archives/intel-gfx/2015-April/064063.html
> doesn't tell me which mailing lists were cc'ed and I can't find that
> patch on linux-kernel.
> 
> Can you please do something to make this easier for us??
> 
> And please fully document all the mutex interfaces which you just
> added.

Also, please Cc locking people if you poke at mutexes..