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Re: adding /dev/xen/gnttab
On Sat, Sep 04, 2010 at 12:57:15AM +0200, Jean-Yves Migeon wrote:
> After a quick look at man pages, there is effectively cdevvp(9) to get a
> vnode for a char device, and it could be used further through
> VOP_MMAP(), but it has nothing to do with fdes...
Right, and this is why you need the gnttab node to be a pseudodevice node,
because device drivers can implement their own d_mmap entry point.
However, I don't see why the pseudodevice node cannot be presented in the
current kernfs namespace, instead of moving everything to /dev/xen right
Thor Lancelot Simon
"All of my opinions are consistent, but I cannot present them all
at once." -Jean-Jacques Rousseau, On The Social Contract
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