Re: [PATCH 10/11] EFI: Runtime services virtual mapping

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On Fri, 01 Nov, at 11:35:08AM, Dave Young wrote:
> > The conflict is caused by missing one commit in matt's efi next tree:
> > 
> > commit 700870119f49084da004ab588ea2b799689efaf7
> > Author: Josh Boyer <jwboyer@xxxxxxxxxx>
> > Date:   Thu Apr 18 07:51:34 2013 -0700
> > 
> >     x86, efi: Don't map Boot Services on i386
> >     
> >     Add patch to fix 32bit EFI service mapping (rhbz 726701)
> >     
> >     Multiple people are reporting hitting the following WARNING on i386,
> >     
> >       WARNING: at arch/x86/mm/ioremap.c:102 __ioremap_caller+0x3d3/0x440()
> >       Modules linked in:
> >       Pid: 0, comm: swapper Not tainted 3.9.0-rc7+ #95
> 
> Rethinking about above commit, it is actually a workaround for
> mapping boot service, I suspect the problem connect to the off-by-one
> problem in boot service reserve function. Matt, idea?

No, it's not the same problem. And just to make absolutely sure I
reverted the above commit and applied your patch, but I still see the
WARN_ON() described above.

-- 
Matt Fleming, Intel Open Source Technology Center
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