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Message-Id: <50E55ECF02000078000B2A13@nat28.tlf.novell.com> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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