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RE: [Xen-devel] XEN CD --> USB stick

To: "Mark Williamson" <Mark.Williamson@xxxxxxxxxxxx>
Subject: RE: [Xen-devel] XEN CD --> USB stick
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Tue, 1 Mar 2005 21:54:31 -0000
Cc: <xen-devel@xxxxxxxxxxxxxxxxxxxxx>, "Eivind" <gentoo.warrior@xxxxxxxxx>, <jared@xxxxxxxxxxx>, <ian.pratt@xxxxxxxxxxxx>, <ian.pratt@xxxxxxxxxxxx>
Delivery-date: Tue, 01 Mar 2005 22:28:26 +0000
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Thread-index: AcUeesfC3hcEwxFzQBaops0QvvxWZAALXk6w
Thread-topic: [Xen-devel] XEN CD --> USB stick
> Take a look at 
> 2.6/drivers/usb/host/uhci-hcd.c::uhci_submit_common.  It 
> doesn't do the conversions required to cope with 
> pseudophysical memory.  As 
> far as I can tell, USB client drivers cheerfully pass 
> kmalloc'd memory down to this function.

Sounds like this should be changed to dma_alloc_coherent.

Ian



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