qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Anthony Liguori <anthony@codemonkey.ws>
To: Gleb Natapov <gleb@redhat.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
	Glauber Costa <glommer@redhat.com>,
	"dlaor@redhat.com" <dlaor@redhat.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	Blue Swirl <blauwirbel@gmail.com>, Avi Kivity <avi@redhat.com>
Subject: Re: [Qemu-devel] Re: [PATCH] re-set rtc date on reset handler
Date: Wed, 09 Sep 2009 13:50:05 -0500	[thread overview]
Message-ID: <4AA7F8DD.7070807@codemonkey.ws> (raw)
In-Reply-To: <20090909184043.GB30424@redhat.com>

Gleb Natapov wrote:
> On Wed, Sep 09, 2009 at 12:52:12PM -0500, Anthony Liguori wrote:
>   
>> Gleb Natapov wrote:
>>     
>>> What is "catchup" and what is "gradual"?
>>>       
>> Just placeholders to point out that there are different algorithms
>> to replaying interrupts to a guest.  I called what we implemented
>> "catchup" since we pretty much immediately send all of the missed
>> ticks to the guest in order to catch-up.
>>
>> I'd imagine that a 'gradual' algorithm would shorten the tick
>> interval until you've caught up.  The Hyper-V paravirtualization
>> manual has provisions for the guest to request what type of
>> algorithm is used so it makes sense to accommodate this in our
>> syntax.
>>
>>     
> We implement gradual then.
>   

You're right.

Regards,

Anthony Liguori

  reply	other threads:[~2009-09-09 18:50 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-01 16:22 [Qemu-devel] [PATCH] re-set rtc date on reset handler Glauber Costa
2009-09-01 16:56 ` Blue Swirl
2009-09-01 23:00   ` Glauber Costa
2009-09-08 14:55     ` Dor Laor
2009-09-08 16:15   ` [Qemu-devel] " Jan Kiszka
2009-09-08 16:50     ` Jan Kiszka
2009-09-08 17:00       ` Jan Kiszka
2009-09-09 12:28         ` Dor Laor
2009-09-09 12:57           ` Jan Kiszka
2009-09-09 13:27             ` Avi Kivity
2009-09-09 13:31               ` Jan Kiszka
2009-09-09 15:04                 ` Avi Kivity
2009-09-09 15:34                   ` Anthony Liguori
2009-09-09 16:09                     ` Gleb Natapov
2009-09-09 17:52                       ` Anthony Liguori
2009-09-09 18:40                         ` Gleb Natapov
2009-09-09 18:50                           ` Anthony Liguori [this message]
2009-09-09 18:25                     ` Avi Kivity
2009-09-09 18:33                       ` Anthony Liguori

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=4AA7F8DD.7070807@codemonkey.ws \
    --to=anthony@codemonkey.ws \
    --cc=avi@redhat.com \
    --cc=blauwirbel@gmail.com \
    --cc=dlaor@redhat.com \
    --cc=gleb@redhat.com \
    --cc=glommer@redhat.com \
    --cc=jan.kiszka@siemens.com \
    --cc=qemu-devel@nongnu.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).