From: Peter Zijlstra <peterz@infradead.org>
To: Kay Sievers <kay.sievers@vrfy.org>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com, hpa@zytor.com,
johnstul@us.ibm.com, davidel@xmailserver.org, virtuoso@slind.org,
tglx@linutronix.de, chris.friesen@genband.com,
kirill@shutemov.name, linux-tip-commits@vger.kernel.org
Subject: Re: [tip:timers/core] timerfd: Allow timers to be cancelled when clock was set
Date: Wed, 11 May 2011 16:30:50 +0200 [thread overview]
Message-ID: <1305124250.2914.225.camel@laptop> (raw)
In-Reply-To: <BANLkTim5WzcrzSiqhwXrhDDwcxF=JTpZew@mail.gmail.com>
On Wed, 2011-05-11 at 16:22 +0200, Kay Sievers wrote:
> On Wed, May 11, 2011 at 16:01, Peter Zijlstra <peterz@infradead.org> wrote:
> > On Wed, 2011-05-11 at 15:52 +0200, Kay Sievers wrote:
> >>
> >> No, fixed time spans have never been a problem, and are not the
> >> example here. It's about the normal wall clock, that wakes up every
> >> minute and updates the numbers on the screen.
> >
> > 'wakes up every minute' sounds like a fixed time interval to me.
>
> Right, but if the wall clock changes, it must not wait for the full
> minute to update the numbers, they need to update immediately with the
> new wall clock time. Stuff woke up every second in the past to do
> that, but that's not what we want today.
Again, nothing that couldn't be solved with a notifier of sorts.
next prev parent reply other threads:[~2011-05-11 16:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <tip-99ee5315dac6211e972fa3f23bcc9a0343ff58c4@git.kernel.org>
2011-05-11 10:23 ` [tip:timers/core] timerfd: Allow timers to be cancelled when clock was set Peter Zijlstra
2011-05-11 11:58 ` Kay Sievers
2011-05-11 13:45 ` Peter Zijlstra
2011-05-11 13:52 ` Kay Sievers
2011-05-11 14:01 ` Peter Zijlstra
2011-05-11 14:22 ` Kay Sievers
2011-05-11 14:30 ` Peter Zijlstra [this message]
2011-05-11 14:32 ` Kay Sievers
2011-05-11 14:48 ` Peter Zijlstra
2011-05-11 14:53 ` Kay Sievers
2011-05-11 15:11 ` Peter Zijlstra
2011-05-11 15:17 ` Kay Sievers
2011-05-11 15:31 ` Peter Zijlstra
2011-05-11 15:44 ` Kay Sievers
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