From: Keir Fraser <keir@xensource.com>
To: Roland Dreier <rdreier@cisco.com>, mst@mellanox.co.il
Cc: Lukas Hejtmanek <xhejtman@ics.muni.cz>,
xen-devel@lists.xensource.com, general@lists.openfabrics.org
Subject: Re: [ofa-general] mthca use of dma_sync_single is bogus
Date: Mon, 09 Jul 2007 22:36:42 +0100 [thread overview]
Message-ID: <C2B868FA.A920%keir@xensource.com> (raw)
In-Reply-To: <ada8x9pxo3f.fsf@cisco.com>
On 9/7/07 22:29, "Roland Dreier" <rdreier@cisco.com> wrote:
> Unfortunately it seems like the kernel's swiotlb does not implement
> the full DMA API so this won't actually fix Xen :(.
It implements the sync_single_range_for_{cpu,device} functions.
But we use our own swiotlb implementation anyway. arch/i386/kernel/swiotlb.c
in a Xen-patched tree is used by both i386/xen and x64/xen. We haven't yet
merged with main lib/swiotlb.c.
-- Keir
next prev parent reply other threads:[~2007-07-09 21:36 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-09 21:16 [ofa-general] mthca use of dma_sync_single is bogus Roland Dreier
2007-07-09 21:29 ` Roland Dreier
2007-07-09 21:36 ` Keir Fraser [this message]
2007-07-09 21:31 ` [ofa-general] " Keir Fraser
2007-07-09 21:31 ` Roland Dreier
2007-07-09 21:39 ` Michael S. Tsirkin
2007-07-10 6:48 ` Roland Dreier
2007-07-10 7:15 ` Michael S. Tsirkin
2007-07-10 15:33 ` Roland Dreier
2007-07-10 17:11 ` Michael S. Tsirkin
2007-07-10 18:09 ` Roland Dreier
2007-07-10 18:30 ` Michael S. Tsirkin
2007-07-10 19:25 ` Roland Dreier
2007-07-18 13:36 ` Michael S. Tsirkin
2007-07-18 15:12 ` Roland Dreier
2007-07-10 14:14 ` Lukas Hejtmanek
2007-07-10 18:06 ` Roland Dreier
2007-07-10 19:00 ` Lukas Hejtmanek
2007-07-10 19:08 ` Roland Dreier
2007-07-10 19:16 ` Lukas Hejtmanek
2007-07-10 19:24 ` Roland Dreier
2007-07-10 19:36 ` Lukas Hejtmanek
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