System Software Teleconference minutes.

Mitch Bradley wmb at firmworks.com
Tue Mar 6 17:32:43 EST 2007



Andres Salomon wrote:
> Greg KH wrote:
>   
>> On Tue, Mar 06, 2007 at 08:58:18AM -0500, Jim Gettys wrote:
>>     
>>> Current action items:
>>>
>>> AI: Andres - look into what it would take to uncache USB descriptors.
>>>       
>> Is there a bug entry for this to get some kind of background information
>> on why this would be a problem?
>>
>>     
>
> http://dev.laptop.org/ticket/905 is the beginning of the adventure.  The
> end result is, we need to ensure that the DMA that usb host driver is
> using is uncached.  I can tell you more after we've done some
> performance tests to see what works best..
>   

I just added a comment to that ticket detailing the root cause of the 
problem.




More information about the Devel mailing list