From: Hollis Blanchard <hollisb-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: "Dong, Eddie" <eddie.dong-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel
<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
Jeremy Fitzhardinge <jeremy-TSDbQ3PG+2Y@public.gmane.org>,
Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Subject: Re: [RFC] Paravirt timer for KVM
Date: Mon, 15 Oct 2007 11:01:53 -0500 [thread overview]
Message-ID: <1192464113.25377.0.camel@basalt> (raw)
In-Reply-To: <10EA09EFD8728347A513008B6B0DA77A023A6DCE-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
On Mon, 2007-10-15 at 12:04 +0800, Dong, Eddie wrote:
> >>> 1) the PIT is periodic. a PV timer can offer a one shot
> >timer which
> >>> enables dynticks.
> >>>
> >>
> >> Obviously people have figured out how to do dynticks on real x86
> >> hardware, so I don't accept this reason. :)
> >>
> >
> >Using more advanced timers like the HPET.
> >
>
> I'd think there is no reason for virtual timer to be PIT like, which
> is mostly due to historic reason.
>
> If we need to make it close to native timer device, HPET is much
> better than PIT for virtual time to look like.
Fine, so why do we need PV time when we can emulate the HPET?
--
Hollis Blanchard
IBM Linux Technology Center
-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems? Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >> http://get.splunk.com/
next prev parent reply other threads:[~2007-10-15 16:01 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-12 16:08 [RFC] Paravirt timer for KVM Glauber de Oliveira Costa
[not found] ` <5d6222a80710120908s6b1f5845head84e7b7a463cd1-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-12 18:10 ` Anthony Liguori
[not found] ` <470FB8AB.9030101-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-10-15 16:58 ` Glauber de Oliveira Costa
[not found] ` <5d6222a80710150958y31338c2ag3a391390b13788da-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-15 17:07 ` Avi Kivity
[not found] ` <47139E6F.7030704-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-10-15 18:09 ` Glauber de Oliveira Costa
[not found] ` <5d6222a80710151109m5376449foc6be5b687c469a2b-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-16 7:31 ` Avi Kivity
2007-10-12 18:39 ` Jeremy Fitzhardinge
[not found] ` <470FBF58.2080701-TSDbQ3PG+2Y@public.gmane.org>
2007-10-12 18:58 ` Anthony Liguori
2007-10-15 17:15 ` Glauber de Oliveira Costa
2007-10-12 19:48 ` Hollis Blanchard
2007-10-12 20:02 ` Anthony Liguori
[not found] ` <470FD2CA.1000702-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-10-12 21:55 ` Hollis Blanchard
2007-10-12 22:07 ` Anthony Liguori
[not found] ` <470FF036.6080803-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-10-15 4:04 ` Dong, Eddie
[not found] ` <10EA09EFD8728347A513008B6B0DA77A023A6DCE-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-10-15 16:01 ` Hollis Blanchard [this message]
2007-10-15 16:47 ` Avi Kivity
[not found] ` <47139994.4030606-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-10-15 23:05 ` Hollis Blanchard
2007-10-16 8:15 ` Gerd Hoffmann
[not found] ` <4714731D.4040408-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-10-16 10:27 ` Avi Kivity
2007-10-16 9:45 ` Avi Kivity
[not found] ` <4714882C.2050504-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-10-16 10:03 ` Dong, Eddie
2007-10-15 17:52 ` Glauber de Oliveira Costa
[not found] ` <5d6222a80710151052j37f0561dn6dbb5b07f6f697d1-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-16 7:17 ` Avi Kivity
2007-10-15 17:38 ` Glauber de Oliveira Costa
2007-10-15 8:41 ` Gerd Hoffmann
[not found] ` <471327C7.8060304-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-10-15 9:07 ` Avi Kivity
[not found] ` <47132DCF.3060906-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-10-15 9:56 ` Gerd Hoffmann
[not found] ` <47133957.20508-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-10-15 10:14 ` Gildas
2007-10-15 11:02 ` Carsten Otte
[not found] ` <471348B1.30300-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-10-15 16:31 ` Jeremy Fitzhardinge
2007-10-15 18:03 ` Glauber de Oliveira Costa
2007-10-15 18:00 ` Glauber de Oliveira Costa
[not found] ` <5d6222a80710151100p63e8e9aata79b006b43f6c37e-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-16 7:20 ` Avi Kivity
2007-10-16 7:40 ` Gerd Hoffmann
2007-10-15 17:53 ` Glauber de Oliveira Costa
[not found] ` <5d6222a80710151029y288fc65bs3d325d5c8d1f039c@mail.gmail.com>
[not found] ` <1192489814.22523.36.camel@basalt>
2007-10-16 1:26 ` Glauber de Oliveira Costa
2007-10-12 22:09 ` Hollis Blanchard
2007-10-15 17:48 ` Glauber de Oliveira Costa
[not found] ` <5d6222a80710151048t22e747l42106a6507c811c6-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-15 22:54 ` Hollis Blanchard
2007-10-16 1:15 ` Glauber de Oliveira Costa
[not found] ` <5d6222a80710151815m2330c8b7ocf4fc352954a551c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-16 9:47 ` Avi Kivity
2007-10-16 7:14 ` Avi Kivity
2007-10-16 8:41 ` Dong, Eddie
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1192464113.25377.0.camel@basalt \
--to=hollisb-r/jw6+rmf7hqt0dzr+alfa@public.gmane.org \
--cc=avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org \
--cc=eddie.dong-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
--cc=jeremy-TSDbQ3PG+2Y@public.gmane.org \
--cc=kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.