Re: vmsplice bad address
flat view
From: Guillaume Dargaud <hidden>
Date: 2011-03-24 14:34:25
On Monday 07 March 2011 10:35:44 Benjamin Herrenschmidt wrote:
I'm not completely surprised ... I wouldn't expect vmsplice to work on /dev/mem ... No struct page backing the memory for example.
So how would that work to do zero-copy ? Somebody gave me a hint of marking the memory regions as iomem, do a ioremap then mmap and vmsplice but that's a mouthful... -- Guillaume Dargaud http://www.gdargaud.net/