From: Thomas Gleixner <tglx@linutronix.de>
To: Karel Zak <kzak@redhat.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>,
Lennart Poettering <mzxreary@0pointer.de>,
Arnd Bergmann <arnd@arndb.de>, "Theodore Y. Ts'o" <tytso@mit.edu>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
John Stultz <john.stultz@linaro.org>,
Stephen Boyd <sboyd@kernel.org>,
Florian Weimer <fweimer@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Alistair Francis <alistair.francis@wdc.com>,
GNU C Library <libc-alpha@sourceware.org>,
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Subject: Re: New kernel interface for sys_tz and timewarp?
Date: Mon, 19 Aug 2019 15:43:03 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.21.1908191541340.2147@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20190819110903.if3dzhvfnlqutn6s@ws.net.home>
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")
next prev parent reply other threads:[~2019-08-19 13:43 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-13 9:05 New kernel interface for sys_tz and timewarp? Arnd Bergmann
2019-08-13 17:10 ` John Stultz
2019-08-13 21:45 ` Alexandre Belloni
2019-08-13 17:30 ` Linus Torvalds
2019-08-13 17:49 ` Paul Eggert
2019-08-13 19:31 ` Florian Weimer
2019-08-13 20:04 ` Arnd Bergmann
2019-08-13 21:56 ` Alexandre Belloni
2019-08-14 0:06 ` Theodore Y. Ts'o
2019-08-14 8:31 ` Arnd Bergmann
2019-08-14 9:09 ` Lennart Poettering
2019-08-14 9:32 ` Alexandre Belloni
2019-08-14 12:15 ` Lennart Poettering
2019-08-19 11:09 ` Karel Zak
2019-08-19 13:43 ` Thomas Gleixner [this message]
2019-08-19 13:49 ` Thomas Gleixner
2019-08-20 18:45 ` Alexandre Belloni
2019-08-20 18:47 ` Alexandre Belloni
2019-08-20 18:58 ` Alexandre Belloni
2019-08-27 16:27 ` Arnd Bergmann
2019-08-27 16:31 ` Alexandre Belloni
2019-08-14 16:26 ` David Laight
2019-08-14 16:47 ` hpa
2019-08-15 13:22 ` Arnd Bergmann
2019-08-15 15:05 ` Theodore Y. Ts'o
2019-08-15 15:24 ` hpa
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