From: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
Chris Wright <chrisw@sous-sol.org>,
kvm@vger.kernel.org, Avi Kivity <avi@redhat.com>
Subject: Re: [PATCH] kvm-vmx: add module parameter to avoid trapping HLT instructions (v2)
Date: Sat, 4 Dec 2010 11:13:48 +0530 [thread overview]
Message-ID: <20101204054348.GG13515@linux.vnet.ibm.com> (raw)
In-Reply-To: <4CF973F0.7010409@codemonkey.ws>
On Fri, Dec 03, 2010 at 04:49:20PM -0600, Anthony Liguori wrote:
> default_idle() is not exported to modules and is not an interface
> meant to be called directly. Plus, an idle loop like this delays
> the guest until the scheduler wants to run something else but it
> doesn't account for another thread trying to inject an event into
> the halting thread. It's not immediately clear to me how to have
> what's effectively a wait queue that hlts instead of calls the
> scheduler. You could mess around with various signalling mechanisms
> but it gets ugly fast.
How about using MWAIT?
- vatsa
next prev parent reply other threads:[~2010-12-04 5:43 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-02 13:59 [PATCH] kvm-vmx: add module parameter to avoid trapping HLT instructions (v2) Anthony Liguori
2010-12-02 14:39 ` lidong chen
2010-12-02 15:23 ` Anthony Liguori
2010-12-02 15:23 ` Anthony Liguori
2010-12-03 9:38 ` Avi Kivity
2010-12-03 11:12 ` Srivatsa Vaddagiri
2010-12-03 23:28 ` Anthony Liguori
2010-12-02 17:37 ` Marcelo Tosatti
2010-12-02 19:07 ` Anthony Liguori
2010-12-02 20:12 ` Marcelo Tosatti
2010-12-02 20:51 ` Anthony Liguori
2010-12-03 9:36 ` Avi Kivity
2010-12-03 22:45 ` Anthony Liguori
2010-12-04 8:13 ` Avi Kivity
2010-12-04 13:30 ` Anthony Liguori
2010-12-06 8:28 ` Avi Kivity
2010-12-06 8:35 ` Avi Kivity
2010-12-06 13:58 ` Anthony Liguori
2010-12-06 14:01 ` Avi Kivity
2010-12-06 14:02 ` Avi Kivity
2010-12-06 14:08 ` Anthony Liguori
2010-12-06 14:14 ` Gleb Natapov
2010-12-06 14:03 ` Anthony Liguori
2010-12-06 14:33 ` Avi Kivity
2010-12-06 15:07 ` Anthony Liguori
2010-12-06 15:16 ` Avi Kivity
2010-12-06 16:21 ` Anthony Liguori
2010-12-06 16:30 ` Avi Kivity
2010-12-06 16:33 ` Anthony Liguori
2010-12-03 12:40 ` Gleb Natapov
2010-12-03 23:31 ` Anthony Liguori
2010-12-03 22:42 ` Anthony Liguori
2010-12-04 8:16 ` Avi Kivity
2010-12-04 13:48 ` Anthony Liguori
2010-12-06 8:32 ` Avi Kivity
2010-12-02 19:14 ` Chris Wright
2010-12-02 20:25 ` Anthony Liguori
2010-12-02 20:40 ` Chris Wright
2010-12-02 20:40 ` Marcelo Tosatti
2010-12-02 21:07 ` Chris Wright
2010-12-02 22:37 ` Anthony Liguori
2010-12-03 2:42 ` Chris Wright
2010-12-03 3:21 ` Anthony Liguori
2010-12-03 3:44 ` Chris Wright
2010-12-03 14:25 ` Anthony Liguori
2010-12-02 22:27 ` Anthony Liguori
2010-12-03 22:49 ` Anthony Liguori
2010-12-04 5:43 ` Srivatsa Vaddagiri [this message]
2010-12-03 9:40 ` Avi Kivity
2010-12-03 11:21 ` Srivatsa Vaddagiri
2010-12-03 11:57 ` Srivatsa Vaddagiri
2010-12-03 16:27 ` Srivatsa Vaddagiri
2010-12-03 17:29 ` Chris Wright
2010-12-03 17:33 ` Srivatsa Vaddagiri
2010-12-04 8:18 ` Avi Kivity
2010-12-03 17:57 ` Srivatsa Vaddagiri
2010-12-03 17:58 ` Chris Wright
2010-12-03 18:07 ` Anthony Liguori
2010-12-03 18:12 ` Srivatsa Vaddagiri
2010-12-04 8:19 ` Avi Kivity
2010-12-03 18:20 ` Chris Wright
2010-12-03 18:55 ` Anthony Liguori
2010-12-03 18:10 ` Marcelo Tosatti
2010-12-03 18:24 ` Marcelo Tosatti
2010-12-03 17:28 ` Chris Wright
2010-12-03 17:36 ` Srivatsa Vaddagiri
2010-12-03 17:38 ` Chris Wright
2010-12-03 17:43 ` Srivatsa Vaddagiri
2010-12-03 17:47 ` Anthony Liguori
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