From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: [PATCH] KVM: Defer remote tlb flushes on invlpg (v2)
Date: Wed, 18 Mar 2009 01:41:04 +0100
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Cc: Andrea Arcangeli <aarcange@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>, kvm@vger.kernel.org
To: Avi Kivity <avi@redhat.com>
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Avi Kivity <avi@redhat.com> writes:

> KVM flushes tlbs on remote cpus for two purposes: to protect guest pages
> that it needs to collect information about, and to prevent stale tlb entries
> from pointing to pages that no longer belong to the guest.

I assume you have numbers with some benchmark how much that 
improves performance. It would be nice to add them to the 
commit log.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only.