All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tim Deegan <tim@xen.org>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Ian Campbell <Ian.Campbell@eu.citrix.com>,
	Anthony PERARD <anthony.perard@gmail.com>,
	"Xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	Jiageng Yu <yujiageng734@gmail.com>,
	Samuel Thibault <samuel.thibault@ens-lyon.org>
Subject: Re: Re: Linux Stubdom Problem
Date: Tue, 23 Aug 2011 11:07:19 +0100	[thread overview]
Message-ID: <20110823100719.GD96414@ocelot.phlegethon.org> (raw)
In-Reply-To: <alpine.DEB.2.00.1108221834340.12963@kaball-desktop>

At 20:36 +0100 on 22 Aug (1314045383), Stefano Stabellini wrote:
> The current implementation of IOCTL_PRIVCMD_MMAPBATCH is only capable of
> mapping foreign mfns into the address space of the caller, while we need
> to remap a set of pages already mapped in the address space of the
> caller to some gmfns of a foreign domain. In other words we need the
> same functionality but in the other direction.

I think I was confused whan you told me about this yesterday.  Do you
need to map some of the linux-qemu-dom's memory into the guest?
In that case, I think you can just grant the pages to the guest VM and
use XENMAPSPACE_grant_table to map them. 

Cheers,

Tim.

-- 
Tim Deegan <tim@xen.org>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

  parent reply	other threads:[~2011-08-23 10:07 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-21 16:54 Linux Stubdom Problem Jiageng Yu
2011-07-21 17:08 ` iommu=force-hpdl385g7 boot option as workaround for missing IOMMU support in BIOS of HP DL385 g7 Mark Schneider
2011-07-21 17:18 ` Linux Stubdom Problem Stefano Stabellini
2011-07-25 16:45   ` Jiageng Yu
2011-07-26 17:50     ` Jiageng Yu
2011-07-27 11:26       ` Stefano Stabellini
2011-07-27 12:56         ` Jiageng Yu
2011-07-27 13:34           ` Stefano Stabellini
2011-07-28 15:34             ` Jiageng Yu
2011-07-28 17:01               ` Jiageng Yu
2011-07-29 14:29                 ` Stefano Stabellini
2011-07-29 14:51                   ` Jiageng Yu
2011-07-29 15:04                     ` Stefano Stabellini
2011-07-29 15:09                       ` Jiageng Yu
2011-07-29 15:18                         ` Stefano Stabellini
2011-07-29 15:16                           ` Jiageng Yu
2011-07-29 15:28                             ` Stefano Stabellini
2011-08-12 16:22                               ` Jiageng Yu
2011-08-15 12:46                                 ` Jiageng Yu
2011-08-18 23:39                                   ` Stefano Stabellini
2011-08-22 15:24                                     ` Jiageng Yu
2011-08-22 19:36                                       ` Stefano Stabellini
2011-08-22 20:16                                         ` Keir Fraser
2011-08-23  9:39                                         ` Jiageng Yu
2011-08-23 14:38                                           ` Stefano Stabellini
2011-08-23 10:07                                         ` Tim Deegan [this message]
2011-08-23 12:59                                           ` Stefano Stabellini
2011-08-26 16:12                                             ` Stefano Stabellini
2011-08-27 13:06                                               ` Tim Deegan
2011-08-29 12:27                                                 ` Stefano Stabellini
2011-08-29 13:18                                                   ` Tim Deegan
2011-08-29 16:03                                                     ` Stefano Stabellini
2011-08-31  6:02                                                       ` Keir Fraser
2011-09-01 17:12                                                         ` Jiageng Yu
2011-09-01 17:27                                                           ` Tim Deegan
2011-09-02  2:32                                                             ` Jiageng Yu
2011-09-02 11:03                                                               ` Tim Deegan
2011-09-02 13:09                                                                 ` Stefano Stabellini
2011-09-02 13:11                                                                   ` Keir Fraser
2011-09-14 13:38                                                                     ` Jiageng Yu
2011-09-15 11:13                                                                       ` Stefano Stabellini
2011-10-27 14:56                                                                         ` Jiageng Yu
2011-11-08 17:05                                                                           ` Stefano Stabellini
2011-11-09  8:59                                                                             ` Jiageng Yu
2011-11-09 13:47                                                                               ` Stefano Stabellini
2011-11-09 14:30                                                                                 ` Jiageng Yu
2011-11-10 10:19                                                                                   ` Stefano Stabellini
2011-11-17 15:18                                                                                     ` Jiageng Yu
2011-11-18 11:21                                                                                       ` Stefano Stabellini
2011-11-09 17:05                                                                             ` Konrad Rzeszutek Wilk
2011-11-10 10:10                                                                               ` Stefano Stabellini
2011-11-04 14:00                                                                         ` Jiageng Yu

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=20110823100719.GD96414@ocelot.phlegethon.org \
    --to=tim@xen.org \
    --cc=Ian.Campbell@eu.citrix.com \
    --cc=anthony.perard@gmail.com \
    --cc=samuel.thibault@ens-lyon.org \
    --cc=stefano.stabellini@eu.citrix.com \
    --cc=xen-devel@lists.xensource.com \
    --cc=yujiageng734@gmail.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.