From: Jason Gunthorpe <jgg@mellanox.com>
To: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Russell King - ARM Linux <linux@armlinux.org.uk>,
John Stultz <john.stultz@linaro.org>,
linux-arm-kernel@lists.infradead.org,
Thomas Gleixner <tglx@linutronix.de>,
Stephen Boyd <sboyd@codeaurora.org>,
Alessandro Zummo <a.zummo@towertech.it>,
linux-rtc@vger.kernel.org
Subject: Re: [PATCH] rtc: Allow rtc drivers to specify the tv_nsec value for ntp
Date: Mon, 27 Nov 2017 13:29:55 -0700 [thread overview]
Message-ID: <20171127202955.GF13962@mellanox.com> (raw)
In-Reply-To: <20171127201812.GB21126@piout.net>
On Mon, Nov 27, 2017 at 09:18:12PM +0100, Alexandre Belloni wrote:
> Also, fixing systohc will not fix the offset for people using hwclock or
> any other tools (e.g. systemd).
When I was talking this over with Russel originally I imagined the
systohc fix as a first step, and we could eventually add an rtc API to
let user space do a precise write to the RTC, with the kernel taking
care of the required sleep, etc.
Jason
next prev parent reply other threads:[~2017-11-27 20:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20171013175433.GA22062@obsidianresearch.com>
[not found] ` <20171123095456.lkc4nkuzsd2q26mm@piout.net>
[not found] ` <20171123112338.GN31757@n2100.armlinux.org.uk>
2017-11-23 12:04 ` [PATCH] rtc: Allow rtc drivers to specify the tv_nsec value for ntp Alexandre Belloni
2017-11-23 12:53 ` Russell King - ARM Linux
2017-11-24 0:13 ` J William Piggott
2017-11-27 20:18 ` Alexandre Belloni
2017-11-27 20:29 ` Jason Gunthorpe [this message]
2017-11-28 10:03 ` Russell King - ARM Linux
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