Re: [PATCH, RFC 18/22] Xen: SWIOTLB is only used on x86

From: Konrad Rzeszutek Wilk
Date: Thu May 02 2013 - 14:14:12 EST


On Thu, May 02, 2013 at 04:38:50PM +0100, Stefano Stabellini wrote:
> On Thu, 2 May 2013, Arnd Bergmann wrote:
> > Enabling SWIOTLB_XEN on ARM results in build errors because the
> > underlying SWIOTLB is only available on X86:
> >
> > drivers/xen/swiotlb-xen.c: In function 'is_xen_swiotlb_buffer':
> > drivers/xen/swiotlb-xen.c:105:2: error: implicit declaration of function 'mfn_to_local_pfn
> >
> > Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> > Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
>
> Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

Acked as well. Should I pull this in or Arnd are you OK with taking
with my our Acks?

Thanks.
>
>
> > drivers/xen/Kconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
> > index dd4d9cb..f03bf50 100644
> > --- a/drivers/xen/Kconfig
> > +++ b/drivers/xen/Kconfig
> > @@ -141,7 +141,7 @@ config XEN_GRANT_DEV_ALLOC
> >
> > config SWIOTLB_XEN
> > def_bool y
> > - depends on PCI
> > + depends on PCI && X86
> > select SWIOTLB
> >
> > config XEN_TMEM
> > --
> > 1.8.1.2
> >
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