Messages in this thread | | | Date | Fri, 7 Jan 2022 14:14:58 +0100 | Subject | Re: [PATCH v5 0/9] rtc-cmos,rtc-mc146818-lib: fixes | From | Mateusz Jończyk <> |
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W dniu 07.01.2022 o 14:03, Alexandre Belloni pisze: > Hi, > > On 07/01/2022 13:49:25+0100, Mateusz Jończyk wrote: [snip] >> v5: Increase maximum accepted duration of the UIP high pulse from 10 to 20ms, >> in case there are some very slow chips out there. >> >> Note: this may cause problems with hpet_rtc_interrupt() if the CMOS >> RTC stops working while the system is running and RTC update >> interrupt / RTC alarm interrupt is enabled (which should be rare). >> In this case, hpet_rtc_interrupt() is executed 64 times per second >> and takes up to 20ms to complete - which may constantly occupy >> one CPU. I am not sure if this is likely enough to implement >> special handling of this case in hpet_rtc_interrupt(). >> > Because v4 has been applied,
Nice, thank you! I didn't know about this.
> you'd have to send a series against rtc-next.
OK
Greetings,
Mateusz
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