Re: [PATCH WIP 1/6] xen/arm: fix the shared_info and vcpu_infostructs

From: Ian Campbell
Date: Fri Jul 13 2012 - 13:10:08 EST


On Fri, 2012-07-13 at 12:48 -0400, Stefano Stabellini wrote:
> On Mon, 9 Jul 2012, Konrad Rzeszutek Wilk wrote:
> > On Fri, Jun 22, 2012 at 05:14:40PM +0100, Stefano Stabellini wrote:
> > > Fix the shared_info and vcpu_info struct definitions to match the ones
> > > in Xen.
> >
> > Is there a corresponding c/s in the Xen tree for this?
>
> That's the problem: arch_vcpu_info and arch_shared_info haven't been
> defined in Xen yet on ARM.

Strictly speaking they are defined (in xen/include/public/arch-arm.h),
they are just empty ;-)

> I think the ones below have been copied from xen/x86 by mistake.

Yes, it does look that way.

>
>
> > >
> > > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> > > ---
> > > arch/arm/include/asm/xen/interface.h | 15 +++------------
> > > 1 files changed, 3 insertions(+), 12 deletions(-)
> > >
> > > diff --git a/arch/arm/include/asm/xen/interface.h b/arch/arm/include/asm/xen/interface.h
> > > index 3ad2d4b..8ab7cebb 100644
> > > --- a/arch/arm/include/asm/xen/interface.h
> > > +++ b/arch/arm/include/asm/xen/interface.h
> > > @@ -40,19 +40,10 @@ DEFINE_GUEST_HANDLE(xen_pfn_t);
> > > #endif
> > >
> > > /* Maximum number of virtual CPUs in multi-processor guests. */
> > > -#define MAX_VIRT_CPUS 32
> > > +#define MAX_VIRT_CPUS 1
> > >
> > > -struct arch_vcpu_info {
> > > - unsigned long cr2;
> > > - unsigned long pad; /* sizeof(vcpu_info_t) == 64 */
> > > -};
> > > -
> > > -struct arch_shared_info {
> > > - unsigned long max_pfn; /* max pfn that appears in table */
> > > - /* Frame containing list of mfns containing list of mfns containing p2m. */
> > > - unsigned long pfn_to_mfn_frame_list_list;
> > > - unsigned long nmi_reason;
> > > -};
> > > +struct arch_vcpu_info { };
> > > +struct arch_shared_info { };
> > >
> > > /* XXX: Move pvclock definitions some place arch independent */
> > > struct pvclock_vcpu_time_info {
> > > --
> > > 1.7.2.5
> > >
> > > --
> > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > > the body of a message to majordomo@xxxxxxxxxxxxxxx
> > > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > > Please read the FAQ at http://www.tux.org/lkml/
> >


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/