Re: [Xen-devel] [PATCH] Add an ioctl interface for simple xenstore access

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 18 Mar 2006, at 07:14, Muli Ben-Yehuda wrote:

> > This patch adds an ioctl interface to /proc/xen/xenbus to allow simple
> > access to xenstore from domU.  This patch introduces only
> > xenbus_read() support, but write, remove, etc could be easily added.
> > Also, this interface can be easily moved to /dev/xen/xenbus (or
> > something similar) later.
> Hmm, wouldn't a virtual file system be a much better fit for xenstore
> access? the kernel community considers ioctls Evil with a capital E.
Also, we already support xenstore access via read/write on that device 
file. And libxenstore knows how to target that read/write interface. 
Why would we add an ioctl to do the same thing?
 -- Keir


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