linux-kernel - Re: [RFC PATCH 0/3] generic hypercall support

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Message-ID: <20090507205035.GH3036@sequoia.sous-sol.org>
Date:	Thu, 7 May 2009 13:50:35 -0700
From:	Chris Wright <chrisw@...s-sol.org>
To:	Gregory Haskins <gregory.haskins@...il.com>
Cc:	Arnd Bergmann <arnd@...db.de>, Avi Kivity <avi@...hat.com>,
	Gregory Haskins <ghaskins@...ell.com>,
	Chris Wright <chrisw@...s-sol.org>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Anthony Liguori <anthony@...emonkey.ws>
Subject: Re: [RFC PATCH 0/3] generic hypercall support

* Gregory Haskins (gregory.haskins@...il.com) wrote:
> After posting my numbers today, what I *can* tell you definitively that
> its significantly slower to VMEXIT via MMIO.  I guess I do not really
> know the reason for sure. :)

there's certainly more work, including insn decoding
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