Re: [Xen-devel] [RFC PATCH 11/13] cpufreq: add xen-cpufreq driver

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 10.10.14 at 11:59, <Ian.Campbell@xxxxxxxxxx> wrote:
> A simple i2c driver (without all the generic framework/bus
> infrastructure which Linux has) is pretty simple.
> 
> I think the biggest complexity would come from i2c busses with both
> cpufreq and other devices on them and managing the potentially shared
> accesses.

And the recently added XENPF_resource_op would seem a pretty
good candidate for this (except that it requires the Dom0 kernel
code to stop accessing hardware directly, and instead go through
this hypercall).

Jan


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