From: "Jan Beulich" <JBeulich@novell.com>
To: Sander Eikelenboom <linux@eikelenboom.it>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Re: [pvops xen/next ][iommu] attenpt to passthrough PCI-e usb controllor to PV domU SUCCESS :-)
Date: Tue, 23 Mar 2010 11:23:36 +0000 [thread overview]
Message-ID: <4BA8B2C802000078000366B8@vpn.id2.novell.com> (raw)
In-Reply-To: <1213743694.20100323112355@eikelenboom.it>
>>> Sander Eikelenboom <linux@eikelenboom.it> 23.03.10 11:23 >>>
>How do these handle DMA related to the passthrough device in a PV-guest then ?
>From what i remember from previous (debian) xen kernels was that at least swiotlb=force was needed as kernel options to the domU kernel to passthrough usb-controllers.
Yes, exactly. But not "iommu=soft".
Jan
next prev parent reply other threads:[~2010-03-23 11:23 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-21 21:19 [pvops xen/next ][iommu] attenpt to passthrough PCI-e usb controllor to PV domU: (XEN) traps.c:2309:d1 Domain attempted WRMSR 000000000000008b from 00000a07:00000000 to 00000000:00000000 Sander Eikelenboom
2010-03-22 8:04 ` Han, Weidong
2010-03-22 9:04 ` Pasi Kärkkäinen
2010-03-22 9:13 ` Weidong Han
2010-03-22 9:19 ` Pasi Kärkkäinen
2010-03-22 9:22 ` Christian Tramnitz
2010-03-22 9:55 ` Pasi Kärkkäinen
2010-03-22 9:25 ` Weidong Han
2010-03-22 9:29 ` Pasi Kärkkäinen
2010-03-22 9:32 ` Weidong Han
2010-03-22 9:30 ` Sander Eikelenboom
2010-03-22 10:15 ` Sander Eikelenboom
2010-03-22 10:58 ` Jan Beulich
2010-03-22 13:14 ` Re: [pvops xen/next ] attenpt to passthrough PCI-e usb controllor to PV domU Sander Eikelenboom
2010-03-22 19:12 ` [pvops xen/next ][iommu] attenpt to passthrough PCI-e usb controllor to PV domU: (XEN) traps.c:2309:d1 Domain attempted WRMSR 000000000000008b from 00000a07:00000000 to 00000000:00000000 Konrad Rzeszutek Wilk
2010-03-22 20:35 ` [pvops xen/next ][iommu] attenpt to passthrough PCI-e usb controllor to PV domU SUCCESS :-) Sander Eikelenboom
2010-03-22 20:30 ` Konrad Rzeszutek Wilk
2010-03-22 20:49 ` Pasi Kärkkäinen
2010-03-22 21:23 ` Sander Eikelenboom
2010-03-22 21:26 ` Pasi Kärkkäinen
2010-03-22 21:12 ` Konrad Rzeszutek Wilk
2010-03-23 7:05 ` Pasi Kärkkäinen
2010-03-23 10:16 ` Jan Beulich
2010-03-23 10:23 ` Sander Eikelenboom
2010-03-23 11:23 ` Jan Beulich [this message]
2010-03-23 11:24 ` Pasi Kärkkäinen
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