Re: [Xen-ia64-devel] [PATCH] paravirtualize /dev/mem to use X

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

On Sun, Nov 19, 2006 at 04:49:59PM -0700, Alex Williamson wrote:
> On Thu, 2006-11-16 at 11:42 +0900, Isaku Yamahata wrote:
> > The previous patch wasn't transparent.
> > Please apply the attached transparent version.
> > Sorry for confusion.
> > 
> > On Wed, Nov 15, 2006 at 03:15:27PM +0900, Isaku Yamahata wrote:
> > > paraviatualize IA64 /dev/mem to use X.
> > > 
> > > NOTE:
> > > I found that X doens't boot on IA64 with vanilla linux 2.6.16, 2.6.17
> > > because of IA64 valid_mmap_phys_addr_range() definition.
> > > It is fixed on 2.6.18.
> 
> Hi Isaku,
> 
>    Why would we add our own mem.c instead of modifying the existing Xen
> mem.c to support ia64?  I'm a little concerned about the code duplicated
> between these files and the meaning of CONFIG_XEN_DEVMEM.  Thanks,

Reviewing code, I suppose that we need only mmap_mem() to be IA64-specific.
I'll give it a try.

-- 
yamahata

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