From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
David Vrabel <david.vrabel@citrix.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: [Xen-devel] Re: [PATCH 0/6] xen: don't call vmalloc_sync_all() when mapping foreign pages
Date: Wed, 21 Sep 2011 11:57:24 -0700 [thread overview]
Message-ID: <4E7A3394.3090806@goop.org> (raw)
In-Reply-To: <alpine.DEB.2.00.1109211124050.8700@kaball-desktop>
On 09/21/2011 03:42 AM, Stefano Stabellini wrote:
> On Thu, 15 Sep 2011, Jeremy Fitzhardinge wrote:
>> This series is relying on regular ram mappings are already synced to all
>> tasks, but I'm not sure that's necessarily guaranteed (for example, if
>> you hotplug new memory into the domain, the new pages won't be mapped
>> into every mm unless they're synced).
> the series is using GFP_KERNEL, so this problem shouldn't occur, right?
What properties do you think GFP_KERNEL guarantees?
J
next prev parent reply other threads:[~2011-09-21 18:57 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-15 12:40 [PATCH 0/6] xen: don't call vmalloc_sync_all() when mapping foreign pages David Vrabel
2011-09-15 12:40 ` David Vrabel
2011-09-15 12:40 ` [PATCH 1/6] xen: add functions for mapping foreign pages over pages David Vrabel
2011-09-15 12:40 ` [PATCH 2/6] block: xen-blkback: use API provided by xenbus module to map rings David Vrabel
2011-09-15 12:40 ` David Vrabel
2011-09-15 12:40 ` [PATCH 3/6] net: xen-netback: " David Vrabel
2011-09-15 12:40 ` [PATCH 4/6] xen: xen-pciback: use xenbus_map_ring_page() " David Vrabel
2011-09-15 12:40 ` [PATCH 5/6] xen: xenbus: remove xenbus_map_ring_valloc() and xenbus_map_ring_vfree() David Vrabel
2011-09-15 12:40 ` [PATCH 6/6] mm: remove vmalloc_sync_all() from alloc_vm_area() David Vrabel
2011-09-15 21:37 ` [PATCH 0/6] xen: don't call vmalloc_sync_all() when mapping foreign pages Jeremy Fitzhardinge
2011-09-21 10:42 ` Stefano Stabellini
2011-09-21 10:42 ` Stefano Stabellini
2011-09-21 18:57 ` Jeremy Fitzhardinge [this message]
2011-09-22 11:06 ` [Xen-devel] " Stefano Stabellini
2011-09-22 21:19 ` Jeremy Fitzhardinge
2011-09-23 10:53 ` Stefano Stabellini
2011-09-23 10:53 ` Stefano Stabellini
2011-09-23 11:18 ` [Xen-devel] " David Vrabel
2011-09-23 11:18 ` David Vrabel
2011-09-21 14:44 ` [Xen-devel] " David Vrabel
2011-09-23 15:11 ` 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=4E7A3394.3090806@goop.org \
--to=jeremy@goop.org \
--cc=akpm@linux-foundation.org \
--cc=david.vrabel@citrix.com \
--cc=konrad.wilk@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=stefano.stabellini@eu.citrix.com \
--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.