From: David Vrabel <david.vrabel@citrix.com>
To: Juergen Gross <jgross@suse.com>, <linux-kernel@vger.kernel.org>,
<xen-devel@lists.xensource.com>, <konrad.wilk@oracle.com>,
<david.vrabel@citrix.com>, <boris.ostrovsky@oracle.com>,
<x86@kernel.org>, <tglx@linutronix.de>, <mingo@redhat.com>,
<hpa@zytor.com>, <andrew.cooper3@citrix.com>
Subject: Re: [Xen-devel] [PATCH V4 00/10] xen: Switch to virtual mapped linear p2m list
Date: Thu, 4 Dec 2014 15:44:53 +0000 [thread overview]
Message-ID: <54808175.8040801@citrix.com> (raw)
In-Reply-To: <1417172039-8627-1-git-send-email-jgross@suse.com>
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.
Applied to devel/for-linus-3.19.
Thanks.
David
WARNING: multiple messages have this Message-ID (diff)
From: David Vrabel <david.vrabel@citrix.com>
To: Juergen Gross <jgross@suse.com>,
linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com,
konrad.wilk@oracle.com, david.vrabel@citrix.com,
boris.ostrovsky@oracle.com, x86@kernel.org, tglx@linutronix.de,
mingo@redhat.com, hpa@zytor.com, andrew.cooper3@citrix.com
Subject: Re: [Xen-devel] [PATCH V4 00/10] xen: Switch to virtual mapped linear p2m list
Date: Thu, 4 Dec 2014 15:44:53 +0000 [thread overview]
Message-ID: <54808175.8040801@citrix.com> (raw)
In-Reply-To: <1417172039-8627-1-git-send-email-jgross@suse.com>
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.
Applied to devel/for-linus-3.19.
Thanks.
David
next prev parent reply other threads:[~2014-12-04 15:45 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-28 10:53 [PATCH V4 00/10] xen: Switch to virtual mapped linear p2m list Juergen Gross
2014-11-28 10:53 ` [PATCH V4 1/9] xen: fix some style issues in p2m.c Juergen Gross
2014-11-28 10:53 ` [PATCH V4 2/9] xen: Make functions static Juergen Gross
2014-11-28 10:53 ` [PATCH V4 03/10] xen: use common page allocation function in p2m.c Juergen Gross
2014-11-28 10:53 ` [PATCH V4 04/10] xen: Delay remapping memory of pv-domain Juergen Gross
2014-11-28 10:53 ` [PATCH V4 05/10] xen: Delay m2p_override initialization Juergen Gross
2014-11-28 10:53 ` [PATCH V4 06/10] xen: Delay invalidating extra memory Juergen Gross
2014-11-28 10:53 ` [PATCH V4 07/10] x86: Introduce function to get pmd entry pointer Juergen Gross
2014-11-28 10:53 ` [PATCH V4 08/10] xen: Hide get_phys_to_machine() to be able to tune common path Juergen Gross
2014-11-28 10:53 ` [PATCH V4 09/10] xen: switch to linear virtual mapped sparse p2m list Juergen Gross
2014-11-28 10:53 ` [PATCH V4 10/10] xen: Speed up set_phys_to_machine() by using read-only mappings Juergen Gross
2014-12-01 11:31 ` [PATCH V4 00/10] xen: Switch to virtual mapped linear p2m list David Vrabel
2014-12-01 11:31 ` David Vrabel
2014-12-01 12:54 ` Juergen Gross
2014-12-02 18:54 ` Konrad Rzeszutek Wilk
2014-12-04 15:44 ` David Vrabel [this message]
2014-12-04 15:44 ` [Xen-devel] " David Vrabel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=54808175.8040801@citrix.com \
--to=david.vrabel@citrix.com \
--cc=andrew.cooper3@citrix.com \
--cc=boris.ostrovsky@oracle.com \
--cc=hpa@zytor.com \
--cc=jgross@suse.com \
--cc=konrad.wilk@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
--cc=xen-devel@lists.xensource.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.