From: Jeremy Fitzhardinge <jeremy@goop.org>
To: tglx@linutronix.de
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: question about periodic clocks
Date: Sat, 10 Mar 2007 08:37:42 -0800 [thread overview]
Message-ID: <45F2DED6.6080500@goop.org> (raw)
In-Reply-To: <1173543844.24738.1178.camel@localhost.localdomain>
Thomas Gleixner wrote:
> Uuurg. That's ugly. clockevents expect a per CPU timer especially for
> dynamic ticks. If you cannot provide a per cpu timer, then you probably
> need to use the broadcast trick.
>
Ah, apologies, I'm wrong about this. I misread the Xen code; the timers
are per-vcpu, but as an implementation detail within the hypervisor it
keeps track of which real cpu is managing that timer. But logically the
timers are per-vcpu.
J
prev parent reply other threads:[~2007-03-10 16:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-09 23:26 question about periodic clocks Jeremy Fitzhardinge
2007-03-10 8:41 ` Thomas Gleixner
2007-03-10 15:50 ` Jeremy Fitzhardinge
2007-03-10 16:24 ` Thomas Gleixner
2007-03-10 16:37 ` Jeremy Fitzhardinge [this message]
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