[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [RFC/WIP] xen: clk: introudce pvclk for device passthrough
Hello George, On Mon, Jan 18, 2016 at 11:22:44AM +0000, George Dunlap wrote: >On Sat, Jan 16, 2016 at 5:22 AM, Peng Fan <van.freenix@xxxxxxxxx> wrote: >> This patch was just a initial patch, not sure whether this way >> is ok from you side for handlding clk when doing platform device >> passhthrough. Any comments are appreciated, and your comments may >> give me a better direction. > >Hey Peng, > >Just speaking from the perspective of a Xen dev who's not an ARM dev: >a few more words on the relationship between pvclk and >device-passthrough would be helpful to set the context. It sounds >like: > >* On ARM, passing through a device requires a clocksource (at least >for many devices) > >* dom0 has the hardware clocksource, but at the moment domUs don't >have a suitable clocksource > >* This patch implements pvclk front/backend suitable for such devices > >Is that right? In which case something like the following would be helpful: Yeah. right. You have a better explaination than me :) > >"This patch introduces pvclk, a paravirtualized clock source suitable >for devices to use when passing through to domUs on ARM systems." > >(Obviously change it as necessary to make it accurate.) I'll add your words into the commit log. Thanks, Peng. > >Thanks, > -George _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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