DragonFly BSD
DragonFly kernel List (threaded) for 2003-07
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Re: Struct UIO

From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Thu, 31 Jul 2003 01:41:33 -0700 (PDT)

    Don't worry about UIO's iovec, that one is my job.  I am tentitively
    planning on changing the iovec to a list of VM objects, offsets, and

					Matthew Dillon 

:Craig Dooley wrote:
:> Theres a comment to change iov_base in struct iovec to a void * which would be 
:> a pretty simple patch, just to cast it whenever doing math, but should it be 
:> changed to be more forward thinking?  What about systems like x86 with PAE 
:> where a pointer cant address the whole memory space?   I dont have the 
:> FreeBSD sources on hand, but is it vm_offset_t?  Is this not an issue right 
:> now?  Just a thought.
:> -Craig
:	For PAE, all physical address accesses are handled by u_int64_t
:	pointers, just like in FreeBSD, they will be called vm_paddr_t
:	and the kernel code will be modified to use it where
:	appropriate.
:	Cheers.
:Hiten Pandya

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