Subject: Re: [PATCH] 8xx: fix usage of pinned 8Mbyte TLB entries

From: Dan Malek <[email-masked]>
Date: Fri, 6 May 2005 19:10:36 -0400

On May 6, 2005, at 6:49 PM, Dan Malek wrote:

>> 3) Memory for DMA pages must not be in the pinned region. ie. drivers
>> should not allocate memory directly for DMA purposes.
>
> Why not?

Having now read this again, the "Why not?" was for the first
sentence :-)

Drivers should always use the proper dma allocation functions.
Unpredictable and sometimes exciting results can happen if
they don't.

Thanks.

	-- Dan