Re: copy_in_user

John Hughes <[email protected]> Tue, 26 Jan 2010 10:23:25 +0100
Newsgroups gmane.linux.cluster.ssic.devel
Message-ID <[email protected]>
Roger Tsang wrote:
> I'd imagine ssi_rcopy_in_user() would...
>
> 1. If both dst & src are local just call local copy_in_user() and we 
> are done.
> 2. If dst is remote do ssi_rcopy_to_user()
> 3. If src is remote do ssi_rcopy_from_user()
No, copy_in_user copies from one userspace address to another in the 
same process.  src and dst are guaranteed to be on the same node.


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