Messages in this thread | | | Date | Tue, 8 Apr 2014 19:49:51 +0200 | From | Frederic Weisbecker <> | Subject | Re: [RFC PATCH] time: Fix truncation in jiffies_to_usecs() |
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On Mon, Apr 07, 2014 at 10:34:51PM -0700, Tony Luck wrote: > On Mon, Apr 7, 2014 at 3:25 PM, Tony Luck <tony.luck@intel.com> wrote: > > > c) If not this ... then what? Separate routine to convert large numbers > > of jiffies to usec/nsecs? Should we make the existing one barf when > > handed a number that overflows? > > Having thought about this a bit more - I'm leaning towards leaving > jiffies_to_usecs() alone, but using it as a model for a from-scratch > implementation of: > u64 jiffies_to_nsecs(const unsigned long j) > { > } > > This is what the uptime tracer actually needs - and there is only > one user of jiffies_to_nsecs() to worry about.
I'm not sure I get what you're trying to do. We already have jiffies_to_nsecs(). Anyway I'll just wait and check out the next patch :)
Thanks.
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