Re: [RFC PATCH 25/35] Add Xen time abstractions

Andi Kleen
2006-05-09T21:52:48Z

On Tuesday 09 May 2006 09:00, Chris Wright wrote:
> Add support for Xen time abstractions. To avoid expensive traps into
> the hypervisor, the passage of time is extrapolated from the local TSC
> and a set of timestamps and scaling factors exported to the guest via
> shared memory. Xen also provides a periodic interrupt facility which
> is used to drive updates of xtime and jiffies, and perform the usual
> process accounting and profiling.

There is far too much code duplication in there. I think you need to
refactor the main time.c a bit first and strip that down.

Also you can drop all the __x86_64__ support for now.

-Andi

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