Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for64-bit Xen support

[Jeremy Fitzhardinge]

Yinghai Lu wrote:
> On Sun, Jun 29, 2008 at 8:02 PM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
>   
> > Ingo Molnar wrote:
> >     
> > > with this config:
> > >
> > >  http://redhat.com/~mingo/misc/config-Sun_Jun_29_10_29_11_CEST_2008.bad
> > >
> > > i've saved the merged 2.6.26-rc8-tip-00241-gc6c8cb2-dirty tree into
> > > tip/tmp.x86.xen-64bit.Sun_Jun_29_10 and pushed it out, so you can test that
> > > exact version.
> > >       
> > Looks like the setup.c unification missed the early_ioremap init from the
> > early_ioremap unification.  Unconditionally call early_ioremap_init().
> >
> > Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
> >
> > diff -r 5c26177fdf8c arch/x86/kernel/setup.c
> > --- a/arch/x86/kernel/setup.c   Sun Jun 29 16:57:52 2008 -0700
> > +++ b/arch/x86/kernel/setup.c   Sun Jun 29 19:57:00 2008 -0700
> > @@ -523,11 +523,12 @@
> >        memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
> >        pre_setup_arch_hook();
> >        early_cpu_init();
> > -       early_ioremap_init();
> >        reserve_setup_data();
> > #else
> >        printk(KERN_INFO "Command line: %s\n", boot_command_line);
> > #endif
> > +
> > +       early_ioremap_init();
> >
> >        ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev);
> >        screen_info = boot_params.screen_info;
> >     
>
> it could be wrong? do we need that for 64 bit?

Yes.  I unified the early_ioremap implementations by making 64-bit use 
the 32-bit one.

   J

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