From: David Vrabel <david.vrabel@citrix.com>
To: John Stultz <john.stultz@linaro.org>
Cc: <xen-devel@lists.xen.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
<linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 3/5] time: indicate that the clock was set in the pvclock gtod notifier chain
Date: Fri, 28 Jun 2013 11:20:08 +0100 [thread overview]
Message-ID: <51CD6358.5080603@citrix.com> (raw)
In-Reply-To: <51CC7850.2040602@linaro.org>
On 27/06/13 18:37, John Stultz wrote:
> On 06/27/2013 03:35 AM, David Vrabel wrote:
>> From: David Vrabel <david.vrabel@citrix.com>
>>
>> If the clock was set (stepped), set the action parameter to functions
>> in the pvclock gtod notifier chain to non-zero. This allows the
>> callee to only do work if the clock was stepped.
>>
>> This will be used on Xen as the synchronization of the Xen wallclock
>> to the control domain's (dom0) system time will be done with this
>> notifier and updating on every timer tick is unnecessary and too
>> expensive.
>>
>> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
>
> Looks pretty good. Minor note below.
I've fixed this and the other minor change you requested.
You can pull the wallclock-v7 branch from
git://xenbits.xen.org/people/dvrabel/linux.git
or, if you prefer, I can repost the series.
David
next prev parent reply other threads:[~2013-06-28 10:20 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-27 10:35 [PATCHv6 0/5] xen: maintain an accurate persistent clock in more cases David Vrabel
2013-06-27 10:35 ` [PATCH 1/5] hrtimers: support resuming with two or more CPUs online (but stopped) David Vrabel
2013-06-28 21:18 ` [tip:timers/core] hrtimers: Support " tip-bot for David Vrabel
2013-07-05 9:30 ` Artem Savkov
2013-07-05 10:07 ` David Vrabel
2013-07-05 10:10 ` Thomas Gleixner
2013-07-05 10:25 ` Thomas Gleixner
2013-07-05 10:36 ` Thomas Gleixner
2013-07-05 10:45 ` Artem Savkov
2013-07-05 13:26 ` Thomas Gleixner
2013-07-05 10:38 ` Artem Savkov
2013-07-05 13:46 ` David Vrabel
2013-07-05 13:51 ` Thomas Gleixner
2013-07-05 10:09 ` Thomas Gleixner
2013-06-28 21:18 ` [tip:timers/core] xen: Remove clock_was_set() call in the resume path tip-bot for David Vrabel
2013-06-27 10:35 ` [PATCH 2/5] time: pass flags instead of multiple bools to timekeeping_update() David Vrabel
2013-06-27 17:39 ` John Stultz
2013-06-28 21:18 ` [tip:timers/core] timekeeping: Pass " tip-bot for David Vrabel
2013-06-27 10:35 ` [PATCH 3/5] time: indicate that the clock was set in the pvclock gtod notifier chain David Vrabel
2013-06-27 17:37 ` John Stultz
2013-06-28 10:20 ` David Vrabel [this message]
2013-06-28 21:19 ` [tip:timers/core] timekeeping: Indicate that clock was set in the pvclock gtod notifier tip-bot for David Vrabel
2013-06-27 10:35 ` [PATCH 4/5] x86/xen: sync the wallclock when the system time is set David Vrabel
2013-06-28 21:19 ` [tip:timers/core] x86: xen: Sync " tip-bot for David Vrabel
2013-06-27 10:35 ` [PATCH 5/5] x86/xen: sync the CMOS RTC as well as the Xen wallclock David Vrabel
2013-06-28 15:38 ` Thomas Gleixner
2013-06-28 15:49 ` David Vrabel
2013-06-28 16:09 ` Thomas Gleixner
2013-06-28 16:51 ` David Vrabel
2013-06-28 20:41 ` Thomas Gleixner
2013-06-28 21:19 ` [tip:timers/core] x86: xen: Sync " tip-bot for David Vrabel
2013-06-28 13:14 ` [PATCHv6 0/5] xen: maintain an accurate persistent clock in more cases Thomas Gleixner
2013-06-28 15:01 ` Konrad Rzeszutek Wilk
2013-06-28 15:12 ` Thomas Gleixner
2013-06-28 16:19 ` Konrad Rzeszutek Wilk
2013-06-28 18:58 ` Thomas Gleixner
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