From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: "Dong, Eddie" <eddie.dong-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel <kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: Re: [PATCH] Add need_resched check before go to kvm_resched
Date: Thu, 26 Apr 2007 07:41:38 +0300 [thread overview]
Message-ID: <46302D82.9050907@qumranet.com> (raw)
In-Reply-To: <10EA09EFD8728347A513008B6B0DA77A01599F54-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
Dong, Eddie wrote:
> Actually I am thinking to totally give up kvm_resched and just let
> control return to Qemu which is much clean and provide Qemu
> more chance to handle some kind of hardware event such as network
> packet arrive etc. Today Qemu is totally depending on heavyweight VM
> Exit
> to handle those events and virtual IRQ injections which may be not
> sufficient.
>
Qemu needing service is indicated by the signal_pending() check. All
I/O sources are set to send a signal when service is needed.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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prev parent reply other threads:[~2007-04-26 4:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-25 12:40 [PATCH] Add need_resched check before go to kvm_resched Dong, Eddie
[not found] ` <10EA09EFD8728347A513008B6B0DA77A01599EB3-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-04-25 12:45 ` Avi Kivity
[not found] ` <462F4D58.7090607-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-04-25 13:17 ` Dong, Eddie
[not found] ` <10EA09EFD8728347A513008B6B0DA77A01599ECA-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-04-25 13:49 ` Avi Kivity
2007-04-25 13:49 ` Anthony Liguori
[not found] ` <462F5C7E.7010605-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-04-25 13:53 ` Avi Kivity
2007-04-25 23:18 ` Dong, Eddie
[not found] ` <10EA09EFD8728347A513008B6B0DA77A01599F54-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-04-25 23:50 ` Anthony Liguori
[not found] ` <462FE952.5050907-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-04-26 0:23 ` Dong, Eddie
[not found] ` <10EA09EFD8728347A513008B6B0DA77A01599FA7-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-04-26 0:35 ` Anthony Liguori
[not found] ` <462FF3B7.6010707-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-04-26 1:04 ` Dong, Eddie
[not found] ` <10EA09EFD8728347A513008B6B0DA77A0159A036-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-04-26 2:15 ` Anthony Liguori
2007-04-26 4:46 ` Avi Kivity
[not found] ` <46302E8F.6070301-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-04-26 4:56 ` Anthony Liguori
2007-04-26 4:41 ` Avi Kivity [this message]
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