[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH][cpufreq] Xen support for the ondemand governor [1/2] (hypervisor code)
On 24/10/07 14:46, "Langsdorf, Mark" <mark.langsdorf@xxxxxxx> wrote: >> You can already work out total 'ticks' (actually nanoseconds >> since boot) via data stored in shared_info. There's code in >> arch/i386/kernel/time-xen.c to >> do so. Use that rather than modify this hypercall. > > Excellent. I wasn't aware of that, and wasn't wild > about having to modify the hypercall. > > Since you were planning on modifying it to use the > cpumask, are you also going to add the shared_info > code? If not, can you send me a pointer to the > changeset so I know what to work from for my > modifications? Actually I checked in Kevin Tian's patch (slightly modified, of course ;-). So go take a look in xen-unstable staging. You'll see that we do return the current system time, since it is easy to do and is probably convenient for the caller. But we return it as a single value, not a per-cpu value! -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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