From: david.vrabel@citrix.com (David Vrabel)
To: linux-arm-kernel@lists.infradead.org
Subject: [Xen-devel] [PATCH v3 17/20] net/xen-netfront: Make it running on 64KB page granularity
Date: Thu, 20 Aug 2015 11:03:50 +0100 [thread overview]
Message-ID: <55D5A606.7020701@citrix.com> (raw)
In-Reply-To: <1438966019-19322-18-git-send-email-julien.grall@citrix.com>
On 07/08/15 17:46, Julien Grall wrote:
> The PV network protocol is using 4KB page granularity. The goal of this
> patch is to allow a Linux using 64KB page granularity using network
> device on a non-modified Xen.
>
> It's only necessary to adapt the ring size and break skb data in small
> chunk of 4KB. The rest of the code is relying on the grant table code.
>
> Note that we allocate a Linux page for each rx skb but only the first
> 4KB is used. We may improve the memory usage by extending the size of
> the rx skb.
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
David
WARNING: multiple messages have this Message-ID (diff)
From: David Vrabel <david.vrabel@citrix.com>
To: Julien Grall <julien.grall@citrix.com>, <xen-devel@lists.xenproject.org>
Cc: <ian.campbell@citrix.com>, <netdev@vger.kernel.org>,
<stefano.stabellini@eu.citrix.com>,
<linux-kernel@vger.kernel.org>,
"David Vrabel" <david.vrabel@citrix.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [Xen-devel] [PATCH v3 17/20] net/xen-netfront: Make it running on 64KB page granularity
Date: Thu, 20 Aug 2015 11:03:50 +0100 [thread overview]
Message-ID: <55D5A606.7020701@citrix.com> (raw)
In-Reply-To: <1438966019-19322-18-git-send-email-julien.grall@citrix.com>
On 07/08/15 17:46, Julien Grall wrote:
> The PV network protocol is using 4KB page granularity. The goal of this
> patch is to allow a Linux using 64KB page granularity using network
> device on a non-modified Xen.
>
> It's only necessary to adapt the ring size and break skb data in small
> chunk of 4KB. The rest of the code is relying on the grant table code.
>
> Note that we allocate a Linux page for each rx skb but only the first
> 4KB is used. We may improve the memory usage by extending the size of
> the rx skb.
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
David
next prev parent reply other threads:[~2015-08-20 10:03 UTC|newest]
Thread overview: 191+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-07 16:46 [PATCH v3 00/20] xen/arm64: Add support for 64KB page Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 01/20] net/xen-netback: xenvif_gop_frag_copy: move GSO check out of the loop Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-08 13:59 ` Wei Liu
2015-08-08 13:59 ` Wei Liu
2015-08-08 13:59 ` Wei Liu
2015-08-07 16:46 ` [PATCH v3 02/20] arm/xen: Drop pte_mfn and mfn_pte Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-10 10:10 ` Stefano Stabellini
2015-08-10 10:10 ` Stefano Stabellini
2015-08-10 10:10 ` Stefano Stabellini
2015-08-07 16:46 ` [PATCH v3 03/20] xen: Add Xen specific page definition Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-10 10:46 ` Stefano Stabellini
2015-08-10 10:46 ` Stefano Stabellini
2015-08-10 10:46 ` Stefano Stabellini
2015-08-20 9:49 ` [Xen-devel] " David Vrabel
2015-08-20 9:49 ` David Vrabel
2015-08-20 9:49 ` David Vrabel
2015-08-07 16:46 ` [PATCH v3 04/20] xen/grant: Introduce helpers to split a page into grant Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-10 10:44 ` Stefano Stabellini
2015-08-10 10:44 ` Stefano Stabellini
2015-08-10 10:44 ` Stefano Stabellini
2015-08-20 9:51 ` David Vrabel
2015-08-20 9:51 ` [Xen-devel] " David Vrabel
2015-08-20 9:51 ` David Vrabel
2015-08-28 14:29 ` Julien Grall
2015-08-28 14:29 ` [Xen-devel] " Julien Grall
2015-08-28 14:29 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 05/20] xen/grant: Add helper gnttab_page_grant_foreign_access_ref_one Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 06/20] block/xen-blkfront: Split blkif_queue_request in 2 Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 07/20] block/xen-blkfront: Store a page rather a pfn in the grant structure Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 08/20] block/xen-blkfront: split get_grant in 2 Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-20 7:33 ` Roger Pau Monné
2015-08-20 7:33 ` Roger Pau Monné
2015-08-20 7:33 ` Roger Pau Monné
2015-08-07 16:46 ` [PATCH v3 09/20] xen/biomerge: Don't allow biovec to be merge when Linux is not using 4KB page Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-10 10:50 ` Stefano Stabellini
2015-08-10 10:50 ` Stefano Stabellini
2015-08-10 11:24 ` [Xen-devel] " Julien Grall
2015-08-10 11:24 ` Julien Grall
2015-08-10 11:25 ` Stefano Stabellini
2015-08-10 11:25 ` [Xen-devel] " Stefano Stabellini
2015-08-10 11:25 ` Stefano Stabellini
2015-08-10 11:32 ` Julien Grall
2015-08-10 11:32 ` Julien Grall
2015-08-10 12:41 ` David Vrabel
2015-08-10 12:41 ` [Xen-devel] " David Vrabel
2015-08-10 12:41 ` David Vrabel
2015-08-10 11:32 ` Julien Grall
2015-08-10 11:24 ` Julien Grall
2015-08-10 10:50 ` Stefano Stabellini
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 10/20] xen/xenbus: Use Xen page definition Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 11/20] tty/hvc: xen: Use xen " Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-20 9:55 ` David Vrabel
2015-08-20 9:55 ` [Xen-devel] " David Vrabel
2015-08-20 9:55 ` David Vrabel
2015-08-28 15:03 ` Julien Grall
2015-08-28 15:03 ` [Xen-devel] " Julien Grall
2015-08-28 15:03 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 12/20] xen/balloon: Don't rely on the page granularity is the same for Xen and Linux Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-10 11:18 ` Stefano Stabellini
2015-08-10 11:18 ` Stefano Stabellini
2015-08-10 11:18 ` Stefano Stabellini
2015-08-10 11:31 ` Julien Grall
2015-08-10 11:31 ` Julien Grall
2015-08-10 11:31 ` Julien Grall
2015-08-10 12:55 ` Stefano Stabellini
2015-08-10 12:55 ` Stefano Stabellini
2015-08-10 12:55 ` Stefano Stabellini
2015-08-10 13:36 ` Julien Grall
2015-08-10 13:36 ` Julien Grall
2015-08-10 13:36 ` Julien Grall
2015-08-20 9:59 ` David Vrabel
2015-08-20 9:59 ` [Xen-devel] " David Vrabel
2015-08-20 9:59 ` David Vrabel
2015-08-28 15:10 ` Julien Grall
2015-08-28 15:10 ` Julien Grall
2015-08-28 15:10 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 13/20] xen/events: fifo: Make it running on 64KB granularity Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 14/20] xen/grant-table: " Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 15/20] block/xen-blkfront: Make it running on 64KB page granularity Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-20 8:10 ` Roger Pau Monné
2015-08-20 8:10 ` Roger Pau Monné
2015-08-20 8:10 ` Roger Pau Monné
2015-08-28 15:33 ` Julien Grall
2015-08-28 15:33 ` Julien Grall
2015-08-28 15:33 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 16/20] block/xen-blkback: " Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-20 8:14 ` Roger Pau Monné
2015-08-20 8:14 ` Roger Pau Monné
2015-08-20 8:14 ` Roger Pau Monné
2015-08-07 16:46 ` [PATCH v3 17/20] net/xen-netfront: " Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-20 10:03 ` David Vrabel
2015-08-20 10:03 ` David Vrabel [this message]
2015-08-20 10:03 ` [Xen-devel] " David Vrabel
2015-08-07 16:46 ` [PATCH v3 18/20] net/xen-netback: " Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-08 14:55 ` Wei Liu
2015-08-08 14:55 ` Wei Liu
2015-08-10 9:57 ` Julien Grall
2015-08-10 9:57 ` Julien Grall
2015-08-10 11:39 ` Wei Liu
2015-08-10 11:39 ` Wei Liu
2015-08-10 12:00 ` Julien Grall
2015-08-10 12:00 ` Julien Grall
2015-08-10 12:00 ` Julien Grall
2015-08-10 11:39 ` Wei Liu
2015-08-10 9:57 ` Julien Grall
2015-08-08 14:55 ` Wei Liu
2015-08-07 16:46 ` [PATCH v3 19/20] xen/privcmd: Add support for Linux " Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-10 12:03 ` Stefano Stabellini
2015-08-10 12:03 ` Stefano Stabellini
2015-08-10 12:14 ` [Xen-devel] " David Vrabel
2015-08-10 12:14 ` David Vrabel
2015-08-10 12:57 ` Stefano Stabellini
2015-08-10 12:57 ` [Xen-devel] " Stefano Stabellini
2015-08-10 12:57 ` Stefano Stabellini
2015-08-10 13:25 ` Julien Grall
2015-08-10 13:25 ` Julien Grall
2015-08-10 13:25 ` Julien Grall
2015-08-10 12:14 ` David Vrabel
2015-09-01 17:10 ` Julien Grall
2015-09-01 17:10 ` Julien Grall
2015-09-01 17:10 ` Julien Grall
2015-08-10 12:03 ` Stefano Stabellini
2015-08-20 10:08 ` [Xen-devel] " David Vrabel
2015-08-20 10:08 ` David Vrabel
2015-08-20 10:08 ` David Vrabel
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 20/20] arm/xen: Add support for " Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-07 16:46 ` Julien Grall
2015-08-10 12:52 ` Stefano Stabellini
2015-08-10 12:52 ` Stefano Stabellini
2015-08-10 12:52 ` Stefano Stabellini
2015-08-07 17:11 ` [Xen-devel] [PATCH v3 00/20] xen/arm64: Add support for 64KB page Julien Grall
2015-08-07 17:11 ` Julien Grall
2015-08-07 17:11 ` Julien Grall
2015-08-20 0:40 ` Julien Grall
2015-08-20 0:40 ` [Xen-devel] " Julien Grall
2015-08-20 0:40 ` Julien Grall
2015-08-20 8:15 ` Roger Pau Monné
2015-08-20 8:15 ` Roger Pau Monné
2015-08-20 8:15 ` Roger Pau Monné
2015-08-20 10:11 ` [Xen-devel] " David Vrabel
2015-08-20 10:11 ` David Vrabel
2015-08-20 15:03 ` Julien Grall
2015-08-20 15:03 ` Julien Grall
2015-08-20 15:15 ` David Vrabel
2015-08-20 15:15 ` [Xen-devel] " David Vrabel
2015-08-20 15:15 ` David Vrabel
2015-08-20 15:03 ` Julien Grall
2015-08-20 10:11 ` David Vrabel
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