Messages in this thread | | | Date | Tue, 15 Jan 2013 11:48:42 -0800 | From | John Stultz <> | Subject | Re: [PATCH v2 1/3] timekeeping: Add persistent_clock_exist flag |
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On 01/15/2013 08:09 AM, Feng Tang wrote: > In current kernel, there are several places which need to check > whether there is a persistent clock for the platform. Current check > is done by calling the read_persistent_clock() and validating its > return value. > > So one optimization is to do the check only once in timekeeping_init(), > and use a flag persistent_clock_exist to record it. > > v2: Add a has_persistent_clock() helper function, as suggested by John.
Applied! Thanks -john
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