[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v2 1/7] timekeeping: introduce __current_kernel_time64
On Tue, 10 Nov 2015, Thomas Gleixner wrote: > On Tue, 10 Nov 2015, John Stultz wrote: > > I'm sort of objecting to a different issue, where the > > __current_kernel_time() implementation probably shouldn't be grabbing > > the tk_core.timekeeper directly, and instead should take a passed > > pointer to a timekeeper. The vdso/pv_clock usage should have a > > timekeeper passed to them that they could use. > > That usage of __current_kernel_time() in that xen notifier is silly to > begin with. The notifier gets already called with a pointer to the > time keeper. That xen implementation just does not use it. > > We extract exactly that information in the vdso updates without > calling back into the core code. So for solving that xen thing we do > not need a 64 bit variant of __current_kernel_time() at all. The > notifier has the pointer to the timekeeper and can just grab data from > there. Many thanks for the suggestion, I'll do that. Should I open code tk_xtime in the xen notifier, or should I export it in timekeeper_internal.h? _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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