Re: [Xen-devel] Re: [Qemu-devel] [PATCH V10 02/15] xen: Make xen build only on x86 target.

[Anthony Liguori <anthony@xxxxxxxxxxxxx>]

On 02/24/2011 11:46 AM, Jan Kiszka wrote:
> On 2011-02-24 18:27, Anthony Liguori wrote:
>    
> > On 02/24/2011 10:25 AM, Anthony PERARD wrote:
> >      
> > > On Thu, Feb 24, 2011 at 16:11, Anthony Liguori<anthony@xxxxxxxxxxxxx>   wrote:
> > >
> > >        
> > > > Is this really necessary?  The advantage to building globally is that it
> > > > keeps the code from getting unnecessary i386-isms.
> > > >
> > > >          
> > > Nop, is not necessary, I add this patch after this mail:
> > > http://lists.nongnu.org/archive/html/qemu-devel/2010-12/msg00044.html
> > >
> > >        
> > Alex, do you feel strongly here?
> >      
> I'm not Alex, but I brought this issue up:
>
> Either build xen bits once for all archs or restrict it to the only
> foreseeable arch with support in qemu. But please don't built it for
> each and every target separately.
>    
Oh yes, I misunderstood.  I thought we had previously built it for all 
architectures.  Yes, we should only build it once.
Regards,

Anthony Liguori

> BTW:
>
>    
> > index b0ba95f..db29e96 100644
> > --- a/Makefile.target
> > +++ b/Makefile.target
> > @@ -206,7 +206,9 @@ QEMU_CFLAGS += $(VNC_JPEG_CFLAGS)
> >   QEMU_CFLAGS += $(VNC_PNG_CFLAGS)
> >
> >   # xen backend driver support
> > -obj-$(CONFIG_XEN) += xen_machine_pv.o xen_domainbuild.o
> > +obj-$(CONFIG_XEN) += xen_backend.o xen_devconfig.o
> > +obj-$(CONFIG_XEN) += xen_console.o xenfb.o xen_disk.o xen_nic.o
> > +obj-i386-$(CONFIG_XEN) += xen_machine_pv.o xen_domainbuild.o
> >      
> Why restricting the last line to i386? Doesn't CONFIG_XEN also control
> here if the arch is xen-capable?
>
> Thanks,
> Jan
>
>    

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