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| From | Thomas Gleixner <tglx@linutronix.de> |
| Newsgroups | linux.kernel |
| Subject | Re: [RFC v4 14/22] clockevents: clockevents_program_event(): turn clc into unsigned long |
| Date | Thu, 25 Aug 2016 15:30:01 +0200 |
| Message-ID | <sa2Tf-1tU-29@gated-at.bofh.it> (permalink) |
| References | <s96YV-4v1-5@gated-at.bofh.it> <s96YV-4v1-9@gated-at.bofh.it> |
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| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
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| X-Original-Cc | John Stultz <john.stultz@linaro.org>, linux-kernel@vger.kernel.org |
| X-Original-Date | Thu, 25 Aug 2016 15:20:59 +0200 (CEST) |
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| X-Original-References | <20160822233320.4548-1-nicstange@gmail.com> <20160822233320.4548-15-nicstange@gmail.com> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
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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.... Thanks, tglx
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[RFC v4 14/22] clockevents: clockevents_program_event(): turn clc into unsigned long Nicolai Stange <nicstange@gmail.com> - 2016-08-23 01:40 +0200
Re: [RFC v4 14/22] clockevents: clockevents_program_event(): turn clc into unsigned long Thomas Gleixner <tglx@linutronix.de> - 2016-08-25 15:30 +0200
Re: [RFC v4 14/22] clockevents: clockevents_program_event(): turn clc into unsigned long Nicolai Stange <nicstange@gmail.com> - 2016-08-27 17:30 +0200
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