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Date:	Thu, 03 Jan 2013 09:34:55 +0000
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Daniel Kiper" <daniel.kiper@...cle.com>
Cc:	<andrew.cooper3@...rix.com>, <x86@...nel.org>,
	<tglx@...utronix.de>, <kexec@...ts.infradead.org>,
	<virtualization@...ts.linux-foundation.org>,
	"xen-devel" <xen-devel@...ts.xen.org>, <konrad.wilk@...cle.com>,
	<maxim.uvarov@...cle.com>, <mingo@...hat.com>, <vgoyal@...hat.com>,
	<linux-kernel@...r.kernel.org>, <ebiederm@...ssion.com>,
	<hpa@...or.com>
Subject: Re: [PATCH v3 02/11] x86/kexec: Add extra pointers to
 transition page table PGD, PUD, PMD and PTE

>>> On 27.12.12 at 03:18, Daniel Kiper <daniel.kiper@...cle.com> wrote:
> Some implementations (e.g. Xen PVOPS) could not use part of identity page 
> table
> to construct transition page table. It means that they require separate 
> PUDs,
> PMDs and PTEs for virtual and physical (identity) mapping. To satisfy that
> requirement add extra pointer to PGD, PUD, PMD and PTE and align existing 
> code.

So you keep posting this despite it having got pointed out on each
earlier submission that this is unnecessary, proven by the fact that
the non-pvops Xen kernels can get away without it. Why?

Jan

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