Messages in this thread | | | Date | Mon, 14 Jan 2008 19:28:57 +0300 | From | Cyrill Gorcunov <> | Subject | Re: [PATCH] driver: ip27-rtc - convert ioctl to unlocked_ioctl |
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[Jiri Slaby - Mon, Jan 14, 2008 at 05:27:00PM +0100] > On 01/14/2008 05:07 PM, Cyrill Gorcunov wrote: >> Yes, process would be stopped, and not *just* stopped but could spend >> all his cpu time-slice in attempt to get spinlock (espec if set time is >> much longer than read), but if we use mutex here the process could just >> sleep instead of trying to get spinlock granted. Am I wrong? Or this is >> not worth to do it? > > I would say no. It'll spin only for nanoseconds there. >
Thanks a lot Jiri, I'll resend improved patch.
- Cyrill -
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