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Re: [Xen-devel] x86 swiotlb questions

To: "Keir Fraser" <keir@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] x86 swiotlb questions
From: "Jan Beulich" <jbeulich@xxxxxxxxxx>
Date: 2007年1月03日 11:01:53 +0000
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>>> Keir Fraser <keir@xxxxxxxxxxxxx> 03.01.07 10:32 >>>
>On 3/1/07 07:10, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:
>> Another, only partially related thought: The addition of KM_SWIOTLB is the
>> only
>> difference to native kmap_types.h. It would seem to me that, at the price of
>> disabling interrupts around the use, it should be possible to replace that
>> with
>> KM_BOUNCE_READ and let go of the Xen specific header...
>
>Sounds reasonable, although KM_BOUNCE_READ is a misnomer (since we write to
>the kmap as well as read from it).
... similar to the (mis-)use of it in the EDAC driver.
Jan
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