Messages in this thread | | | From | Nicolai Stange <> | Subject | Re: [RFC v4 14/22] clockevents: clockevents_program_event(): turn clc into unsigned long | Date | Sat, 27 Aug 2016 17:23:18 +0200 |
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Thomas Gleixner <tglx@linutronix.de> writes:
> On Tue, 23 Aug 2016, Nicolai Stange wrote: > >> Right now, being of type unsigned long long, the clc local variable in >> clockevents_program_event() is unnecessarily wide as it gets cast to >> unsigned long anyway. > > Congrats! You just broke 32bit systems. When delta is sufficiently large then > the mult overflows....
The 32bit breakage has been introduced in [13/22] ("clockevents: check a programmed delta's bounds in terms of cycles") already -- please see my reply there.
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