From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
kvm-devel@lists.sourceforge.net, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org
Subject: Re: [PATCH/RFC] stop_machine: make stop_machine_run more virtualization friendly
Date: Thu, 08 May 2008 15:58:32 +0100 [thread overview]
Message-ID: <48231518.9010209@goop.org> (raw)
In-Reply-To: <200805081641.20572.borntraeger@de.ibm.com>
Christian Borntraeger wrote:
> I really like 64 guest cpus as a good testcase for all kind of things.
>
Sure, I do the same kind of thing.
>> I think x86 (at least) is now using ticket locks, which is fair. Which
>> kernel are you seeing this problem on?
>>
>
> Sorry, forgot to mention. Its kvm.git from 2 days ago on s390.
>
And on s390 cpu_relax yields the vcpu? That's not common behaviour
across architectures.
J
next prev parent reply other threads:[~2008-05-08 14:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-08 13:20 [PATCH/RFC] stop_machine: make stop_machine_run more virtualization friendly Christian Borntraeger
2008-05-08 13:33 ` Jeremy Fitzhardinge
2008-05-08 14:41 ` Christian Borntraeger
2008-05-08 14:58 ` Jeremy Fitzhardinge [this message]
2008-05-08 16:23 ` Christian Borntraeger
2008-05-09 1:10 ` Rusty Russell
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