From: Keir Fraser <keir.fraser@eu.citrix.com>
To: Jan Beulich <JBeulich@novell.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: bad interaction between boosted idle vcpus and csched's tickling?
Date: Tue, 11 May 2010 11:14:40 +0100 [thread overview]
Message-ID: <C80EECA0.13E97%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <4BE4255B0200007800001C89@vpn.id2.novell.com>
On 07/05/2010 13:36, "Jan Beulich" <JBeulich@novell.com> wrote:
> Keir,
>
> isn't there a problem after the change to handle tasklets in idle vcpus
> in that {default,acpi_processor}_idle() will put the vcpu to sleep with
> boosted priority still in place, hence preventing it from being tickled
> and/or needlessly tickling other CPUs?
Should be resolved by xen-unstable:21344.
-- Keir
prev parent reply other threads:[~2010-05-11 10:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-07 12:36 bad interaction between boosted idle vcpus and csched's tickling? Jan Beulich
2010-05-07 13:02 ` Keir Fraser
2010-05-11 10:14 ` Keir Fraser [this message]
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