From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Thu, 18 Mar 2010 17:53:24 +0000 (-0400)
Subject: x86: Detect whether we should use Xen SWIOTLB.
X-Git-Tag: v2.6.36-rc1~73^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fe96eb404e33b59bb39f7050205f7c56c1c7d686;p=pandora-kernel.git

x86: Detect whether we should use Xen SWIOTLB.

It is paramount that we call pci_xen_swiotlb_detect before
pci_swiotlb_detect as both implementations use the 'swiotlb'
and 'swiotlb_force' flags. The pci-xen_swiotlb_detect inhibits
the swiotlb_force and swiotlb flag so that the native SWIOTLB
implementation is not enabled when running under Xen.

[since v1 changed two Cc's to Acked-by]

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
    [http://lkml.org/lkml/2010/7/27/374]
Cc: Albert Herranz <albert_herranz@yahoo.es>
Cc: Ian Campbell <Ian.Campbell@citrix.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
    [conditional http://lkml.org/lkml/2010/8/2/324]
Cc: x86@kernel.org
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
---

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