From: Ian Campbell <Ian.Campbell@citrix.com>
To: David Vrabel <david.vrabel@citrix.com>
Cc: xen-devel@lists.xenproject.org,
Jenny Herbert <jenny.herbert@citrix.com>,
Jenny Herbert <jennifer.herbert@citrix.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: Re: [PATCH 07/12] xen-netback: use foreign page information from the pages themselves
Date: Wed, 7 Jan 2015 11:57:30 +0000 [thread overview]
Message-ID: <1420631850.18631.55.camel@citrix.com> (raw)
In-Reply-To: <1420570657-8203-8-git-send-email-david.vrabel@citrix.com>
On Tue, 2015-01-06 at 18:57 +0000, David Vrabel wrote:
> From: Jenny Herbert <jenny.herbert@citrix.com>
>
> Use the foreign page flag in netback to get the domid and grant ref
> needed for the grant copy. This signficiantly simplifies the netback
> code and makes netback work with foreign pages from other backends
> (e.g., blkback).
>
> This allows blkback to use iSCSI disks provided by domUs running on
> the same host.
>
> Signed-off-by: Jenny Herbert <jennifer.herbert@citrix.com>
> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
> ---
> drivers/net/xen-netback/netback.c | 97 +++----------------------------------
> 1 file changed, 6 insertions(+), 91 deletions(-)
Gotta love that diffstat...
Acked-by: Ian Campbell <ian.campbell@citrix.com>
next prev parent reply other threads:[~2015-01-07 11:57 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-06 18:57 [RFC PATCH 00/12] xen: fix many long-standing grant mapping bugs David Vrabel
2015-01-06 18:57 ` [PATCH 01/12] mm: allow for an alternate set of pages for userspace mappings David Vrabel
2015-01-06 18:57 ` [PATCH 02/12] mm: add 'foreign' alias for the 'pinned' page flag David Vrabel
2015-01-07 17:12 ` Konrad Rzeszutek Wilk
2015-01-06 18:57 ` [PATCH 03/12] xen/grant-table: pre-populate kernel unmap ops for xen_gnttab_unmap_refs() David Vrabel
2015-01-06 18:57 ` [PATCH 04/12] xen: remove scratch frames for ballooned pages and m2p override David Vrabel
2015-01-06 18:57 ` [PATCH 05/12] x86/xen: require ballooned pages for grant maps David Vrabel
2015-01-06 18:57 ` [PATCH 06/12] xen: mark grant mapped pages as foreign David Vrabel
2015-01-07 11:53 ` Ian Campbell
2015-01-09 16:03 ` Stefano Stabellini
2015-01-09 16:19 ` Ian Campbell
2015-01-09 16:39 ` David Vrabel
2015-01-09 16:46 ` Stefano Stabellini
2015-01-09 16:47 ` Ian Campbell
2015-01-06 18:57 ` [PATCH 07/12] xen-netback: use foreign page information from the pages themselves David Vrabel
2015-01-07 11:57 ` Ian Campbell [this message]
2015-01-06 18:57 ` [PATCH 08/12] xen/grant-table: add a mechanism to safely unmap pages that are in use David Vrabel
2015-01-07 12:00 ` Ian Campbell
2015-01-07 12:06 ` Ian Campbell
2015-01-07 13:07 ` David Vrabel
2015-01-07 13:24 ` Ian Campbell
2015-01-07 13:30 ` David Vrabel
2015-01-07 13:33 ` Ian Campbell
2015-01-09 16:11 ` Stefano Stabellini
2015-01-06 18:57 ` [PATCH 09/12] xen/gntdev: safely unmap grants in case they are still " David Vrabel
2015-01-06 18:57 ` [PATCH 10/12] xen-blkback: " David Vrabel
2015-01-06 18:57 ` [PATCH 11/12] xen/gntdev: mark userspace PTEs as special on x86 PV guests David Vrabel
2015-01-07 12:11 ` Ian Campbell
2015-01-07 13:23 ` David Vrabel
2015-01-07 13:32 ` Ian Campbell
2015-01-06 18:57 ` [PATCH 12/12] xen/gntdev: provide a set of pages for each VMA David Vrabel
2015-01-09 15:55 ` Stefano Stabellini
2015-01-09 16:05 ` Stefano Stabellini
2015-01-09 16:41 ` David Vrabel
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