Messages in this thread | | | Date | Tue, 24 Mar 2015 08:20:07 -0700 | Subject | Re: [RFC][PATCH 0/4] Another go at ktime_get_raw_fast_ns() | From | John Stultz <> |
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On Thu, Mar 19, 2015 at 2:31 AM, Peter Zijlstra <peterz@infradead.org> wrote: > Hi John, > > So yeah, I just didn't try hard enough it seems; how about this?
Yea, this looks much better! I'll queue it up for testing and if that goes well include it for 4.1.
> Also, I think we should double check that everything passed to > tk_setup_internals(.clock) is either static storage or RCU-sched freed, > because with the whole latch thing one CPUs (fast) access might still be > in progress while the other is freeing the clock struct. > > Not sure what the lifetime rules of struct clocksource are here.
At one point it was install and never remove, but I think Thomas changed that awhile back, so I think your concern here is a good one.
thanks -john
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