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From: Gerd Hoffmann <kraxel@redhat.com>
To: Glauber Costa <gcosta@redhat.com>
Cc: kvm@vger.kernel.org, aliguori@codemonkey.ws,
	virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 0/2] Paravirt loops per jiffy calculation
Date: Wed, 23 Jul 2008 12:07:43 +0200	[thread overview]
Message-ID: <488702EF.7060305@redhat.com> (raw)
In-Reply-To: <1216743328-3213-1-git-send-email-gcosta@redhat.com>

  Hi,

> Turns out that only implementing a pv get_tsc_khz is not enough, since
> it will only do the right thing for cpu0, which is not what we desire.
> 
> So we set preset_lpj. Recall this code is run before arch parameter setup,
> so if we pass lpj=xx in the command line, it'll still work.

Hmm, why kvm needs the preset_lpj thing and xen doesn't?

cheers,
  Gerd

-- 
http://kraxel.fedorapeople.org/xenner/

  parent reply	other threads:[~2008-07-23 10:07 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-22 16:15 [PATCH 0/2] Paravirt loops per jiffy calculation Glauber Costa
2008-07-22 16:15 ` [PATCH 1/2] factor out cpu_khz to common code Glauber Costa
2008-07-22 16:15   ` [PATCH 2/2] use paravirt function to calculate cpu khz Glauber Costa
2008-07-23 10:07 ` Gerd Hoffmann [this message]
2008-07-23 13:35   ` [PATCH 0/2] Paravirt loops per jiffy calculation Glauber Costa
2008-07-27  7:59 ` Avi Kivity
2008-07-28 14:47 ` [PATCH 0/2] Paravirt loops per jiffy Glauber Costa
2008-07-28 14:47   ` [PATCH 1/2] factor out cpu_khz to common code Glauber Costa
2008-07-28 14:47     ` [PATCH 2/2] use paravirt function to calculate cpu khz Glauber Costa
2008-07-29 14:17   ` [PATCH 0/2] Paravirt loops per jiffy Avi Kivity

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