Re: Use of VM_IOREMAP in xenbus

[Wei Liu]

Hi Christoph

On Thu, Apr 09, 2020 at 08:37:48AM +0200, Jürgen Groß wrote:
> Adjusting recipient list (dropping David, new mail addresses for Wei and
> Paul).
> 
> On 09.04.20 08:18, Christoph Hellwig wrote:
> > Hi Wei,
> > 
> > commit ccc9d90a9a8b5 ("xenbus_client: Extend interface to support
> > multi-page ring") addes a use of vmap in what is now
> > xenbus_map_ring_valloc_hvm, and uses the VM_IOREMAP flag that is
> > only really intended for implementing ioremap.  Do you remember
> > what the reason is that this flag was used?
> > 

I don't remember the reason. I can that flag can be dropped per your
reasoning.

Wei.

> 
> Juergen