[EMAIL PROTECTED] said:
> I have a couple of user DMA drivers up and running, but in light of
> your comment, I am not so sure.
I'm sorry, it seems I lied. Although map_user_kiobuf in 2.2 used to lock
the pages, apparently that's no longer necessary. You just need to make
sure they're marked
On Tue, 29 May 2001 19:30:06 GMT, in fa.linux.kernel you wrote:
>
>[EMAIL PROTECTED] said:
>> After using the 'map_user_kiobuf', I observed the followiing:
>>
>> 1. 'kiobuf->maplist[0]->virtual' contains a different virtual address than
>> the user space buffer address
>> 2. But these two addres
[EMAIL PROTECTED] said:
> After using the 'map_user_kiobuf', I observed the followiing:
>
> 1. 'kiobuf->maplist[0]->virtual' contains a different virtual address than
> the user space buffer address
> 2. But these two addresses are mapped as when i write something using the
> address 'kiobuf->ma
I am using linux kernel version 2.4.2 on Intel PC.
I have been trying my luck for over a week regarding usage of
'map_user_kiobuf' for doing a DMA into a memory area that belongs to user
space.
Actually my requirement is that I want to do DMA into a user space memory
area. What I have done throu
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