From: Avi Kivity <avi@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm-devel <kvm@vger.kernel.org>,
Eduardo Habkost <ehabkost@redhat.com>,
Chris Wright <chrisw@redhat.com>
Subject: Re: KVM: MMU: optimize set_spte for page sync
Date: Wed, 10 Dec 2008 11:14:42 +0200 [thread overview]
Message-ID: <493F8882.6040801@redhat.com> (raw)
In-Reply-To: <20081209155258.GA13317@dmt.cnet>
Marcelo Tosatti wrote:
> Do you have objections for submitting this patch for 2.6.28 ? The hash
> lookup kills performance of pagetable write + context switch intensive
> workloads.
>
Can you quantify?
2.6.28 is out of the question, 2.6.28.stable is possible, depending on
the actual performance difference. I'd hate to introduce a correctness
problem just to improve performance.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2008-12-10 9:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-21 18:49 KVM: MMU: optimize set_spte for page sync Marcelo Tosatti
2008-11-23 10:36 ` Avi Kivity
2008-11-24 12:04 ` Marcelo Tosatti
2008-11-24 13:23 ` Marcelo Tosatti
2008-11-25 14:38 ` Avi Kivity
2008-11-25 14:58 ` Marcelo Tosatti
2008-11-26 11:12 ` Avi Kivity
2008-12-09 15:52 ` Marcelo Tosatti
2008-12-10 9:14 ` Avi Kivity [this message]
2008-12-10 12:54 ` Marcelo Tosatti
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