Messages in this thread | | | Date | Wed, 26 Mar 2014 19:38:51 +0530 | Subject | Re: [LNG] Re: [PATCH 04/14] hrtimer: use base->index instead of basenum in switch_hrtimer_base() | From | Viresh Kumar <> |
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On 26 March 2014 17:13, Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> wrote: >> + new_base = &new_cpu_base->clock_base[base->index]; > > Further down, timer->base can be altered (and set to NULL too). > So if we jump back to 'again', we'll end up in trouble. > So I think its important to cache the value in basenum and > use it.
base is a parameter to this function and never changes. So base->index is guaranteed to be valid and same during a functions call.
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