Re: [XenPPC] Re: [Xen-devel] Re: [Xen-changelog] [linux-2.6.18-xen] Add "#ifdef ARCH_HAS_DEV_MEM" to archtecture specific file_operations.

[Jimi Xenidis <jimix@xxxxxxxxxxxxxx>]

On Jul 9, 2007, at 4:23 PM, Jimi Xenidis wrote:

> On Jul 9, 2007, at 3:41 PM, Hollis Blanchard wrote:
>
> > On Mon, 2007-07-09 at 20:26 +0100, Keir Fraser wrote:
> > > On 9/7/07 20:20, "Hollis Blanchard" <hollisb@xxxxxxxxxx> wrote:
> > >
> > > > > By the way, I wonder how PPC manages to build both drivers/char/ 
> > > > > mem.c and
> > > > > drivers/xen/char/mem.c without ARCH_HAS_DEV_MEM? The model is  
> > > > > supposed to be
> > > > > that mem_fops defined by the Xen file is picked up by the  
> > > > > generic file. If
> > > > > !ARCH_HAS_DEV_MEM then that doesn't happen -- so who picks up  
> > > > > the Xen
> > > > > mem_fops?
> > > > Hmmm, yeah. Looks like we haven't tested that... :)
> yeah, we have :)
> xlate_dev_mem_ptr() works just fine for us, so drivers/char/mem.c  
> just works and the xen version of the ops is never considered.
> Actually we should be forcing CONFIG_XEN_DEVMEM, but the Makefile  
> ignores it.
s/CONFIG_XEN_DEVMEM/CONFIG_XEN_DEVMEM=n/
> -JX
>
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