Messages in this thread | | | Date | Tue, 20 Aug 2019 20:45:57 +0200 | From | Alexandre Belloni <> | Subject | Re: New kernel interface for sys_tz and timewarp? |
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On 19/08/2019 15:49:24+0200, Thomas Gleixner wrote: > On Mon, 19 Aug 2019, Thomas Gleixner wrote: > > On Mon, 19 Aug 2019, Karel Zak wrote: > > > On Wed, Aug 14, 2019 at 11:32:08AM +0200, Alexandre Belloni wrote: > > > > On 14/08/2019 11:09:36+0200, Lennart Poettering wrote: > > > > > On Mi, 14.08.19 10:31, Arnd Bergmann (arnd@arndb.de) wrote: > > > > > > > > > > > - glibc stops passing the caller timezone argument to the kernel > > > > > > - the distro kernel disables CONFIG_RTC_HCTOSYS, > > > > > > CONFIG_RTC_SYSTOHC and CONFIG_GENERIC_CMOS_UPDATE > > > > > > > > > > What's the benefit of letting userspace do this? It sounds a lot more > > > > > fragile to leave this syncing to userspace if the kernel can do this > > > > > trivially on its own. > > > > > > Good point, why CONFIG_RTC_SYSTOHC has been added to the kernel? > > > > 023f333a99ce ("NTP: Add a CONFIG_RTC_SYSTOHC configuration") > > Just for the record. Not a single defconfig enables, but it's selected by > SPARC for whatever reason. >
I think the issue is that most of the common distributions enable it.
-- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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