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Message-ID: <547C51AD.8070904@citrix.com> Date: Mon, 1 Dec 2014 11:31:57 +0000 From: David Vrabel <david.vrabel@...rix.com> To: Juergen Gross <jgross@...e.com>, <linux-kernel@...r.kernel.org>, <xen-devel@...ts.xensource.com>, <konrad.wilk@...cle.com>, <boris.ostrovsky@...cle.com>, <x86@...nel.org>, <tglx@...utronix.de>, <mingo@...hat.com>, <hpa@...or.com>, <andrew.cooper3@...rix.com> Subject: Re: [PATCH V4 00/10] xen: Switch to virtual mapped linear p2m list On 28/11/14 10:53, Juergen Gross wrote: > Paravirtualized kernels running on Xen use a three level tree for > translation of guest specific physical addresses to machine global > addresses. This p2m tree is used for construction of page table > entries, so the p2m tree walk is performance critical. > > By using a linear virtual mapped p2m list accesses to p2m elements > can be sped up while even simplifying code. To achieve this goal > some p2m related initializations have to be performed later in the > boot process, as the final p2m list can be set up only after basic > memory management functions are available. What are the results of the testing I asked for? If Konrad or Boris are happy with this series I think it can go into 3.19. David -- 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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