From: Carsten Otte <cotte-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
To: Gregory Haskins <ghaskins-Et1tbQHTxzrQT0dZR+AlfA@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [PATCH/RFC] KVM: Adds support for halting in the kernel
Date: Mon, 21 May 2007 13:00:01 +0200 [thread overview]
Message-ID: <46517BB1.8010401@de.ibm.com> (raw)
In-Reply-To: <20070518021848.8260.14857.stgit-sLgBBP33vUGnsjUZhwzVf9HuzzzSOjJt@public.gmane.org>
Gregory Haskins wrote:
> I was thinking about some of the issues that we are dealing with
> w.r.t. signalling a sleeping userspace (eventfd, signals, etc). I was
> wondering if perhaps we were looking at the problem the wrong way. Can we
> perform halts in the kernel and therefore eliminate the need to signal
> userspace all together? I put together a proof-of-concept patch to try out
> this idea. This patch replaces the fd-signaling patch previously sent.
>
> Comments please.
This pretty much looks like where we're heading on 390. We'll also go
for a wait queue. Thumbs up.
so long,
Carsten
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prev parent reply other threads:[~2007-05-21 11:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-18 2:23 [PATCH/RFC] KVM: Adds support for halting in the kernel Gregory Haskins
[not found] ` <20070518021848.8260.14857.stgit-sLgBBP33vUGnsjUZhwzVf9HuzzzSOjJt@public.gmane.org>
2007-05-20 7:47 ` Avi Kivity
2007-05-21 11:00 ` Carsten Otte [this message]
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