From: George Dunlap <george.dunlap@eu.citrix.com>
To: Keir Fraser <Keir.Fraser@eu.citrix.com>
Cc: "Jiang, Yunhong" <yunhong.jiang@intel.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: [PROPOSAL] Doing work in idle-vcpu context
Date: Mon, 19 Apr 2010 10:43:16 +0100 [thread overview]
Message-ID: <4BCC25B4.7010406@eu.citrix.com> (raw)
In-Reply-To: <C7EE6596.1192F%keir.fraser@eu.citrix.com>
Keir Fraser wrote:
> One bit of mechanism this would require is the ability to bump the idle vcpu
> priority up - preferably to 'max' priority forcing it to run next until we
> return it to idle/lowest priority. George: how hard would such a mechanism
> be to implement do you think?
>
> More generally: what do people think of this idea?
>
I think it's a pretty good idea. Obviously having to have the the idle
thread be able to switch to "schedule me NOW" priority would involve
some special-casing (esp with shared runqueues), but it shoudn't be too bad.
-George
next prev parent reply other threads:[~2010-04-19 9:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-16 18:05 [PROPOSAL] Doing work in idle-vcpu context Keir Fraser
2010-04-19 5:00 ` Juergen Gross
2010-04-19 5:55 ` Jiang, Yunhong
2010-04-19 6:08 ` Dulloor
2010-04-19 6:53 ` Keir Fraser
2010-04-19 6:45 ` Keir Fraser
2010-04-19 9:43 ` George Dunlap [this message]
2010-04-19 10:52 ` Keir Fraser
2010-04-20 6:50 ` Dulloor
2010-04-20 12:47 ` Keir Fraser
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