From: Hollis Blanchard <hollisb@us.ibm.com>
To: Javier Guerra <javier@guerrag.com>
Cc: Anthony Liguori <anthony@codemonkey.ws>,
Blue Swirl <blauwirbel@gmail.com>,
kvm@vger.kernel.org, sparclinux@vger.kernel.org,
John Levon <levon@movementarian.org>
Subject: Re: KVM for Sparc?
Date: Mon, 22 Sep 2008 16:27:40 -0500 [thread overview]
Message-ID: <1222118860.3967.61.camel@localhost.localdomain> (raw)
In-Reply-To: <90eb1dc70809221331r5350d058k3767a0afc3acd45@mail.gmail.com>
On Mon, 2008-09-22 at 15:31 -0500, Javier Guerra wrote:
> On Mon, Sep 22, 2008 at 3:18 PM, Hollis Blanchard <hollisb@us.ibm.com> wrote:
> > It would be even more interesting to implement host support on the Sparc
> > processors with hardware virtualization support.
>
> Does Sparc processors also have 'virtualization support' as an extra
> feature? i thought that 'non virtualizationability' was an
> intel-specific limitation. (come on... creating a privileged mode and
> not trapping violations? who else would design like that?)
Trapping on privileged instructions is enough to get you virtualization
functionality, but for good performance you really want additional
hardware support to avoid those traps in the first place.
--
Hollis Blanchard
IBM Linux Technology Center
next prev parent reply other threads:[~2008-09-22 21:27 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <f43fc5580809210538r38a29d8dpc74342a2bceea109@mail.gmail.com>
2008-09-21 12:52 ` KVM for Sparc? Blue Swirl
2008-09-22 19:34 ` Anthony Liguori
2008-09-22 20:18 ` Hollis Blanchard
2008-09-22 20:26 ` David Miller
2008-09-22 21:25 ` Hollis Blanchard
2008-09-22 22:14 ` David Miller
2008-09-23 15:34 ` Blue Swirl
2008-09-23 20:41 ` David Miller
2008-09-24 17:22 ` Blue Swirl
2008-09-24 19:29 ` David Miller
2008-09-22 20:31 ` Javier Guerra
2008-09-22 21:02 ` David Miller
2008-09-22 21:27 ` Hollis Blanchard [this message]
2008-09-22 22:15 ` David Miller
2008-09-23 15:52 ` Blue Swirl
2008-09-23 16:07 ` Hollis Blanchard
2008-09-23 20:44 ` David Miller
2008-09-22 20:24 ` David Miller
2008-09-23 15:28 ` Blue Swirl
2008-09-23 20:38 ` David Miller
2008-09-24 17:20 ` Blue Swirl
2008-09-24 18:06 ` Blue Swirl
2008-09-24 19:29 ` David Miller
2008-09-25 16:58 ` Blue Swirl
2008-09-24 19:28 ` David Miller
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