From: Anthony Liguori <anthony@codemonkey.ws>
To: Gleb Natapov <gleb@redhat.com>
Cc: Jordan Justen <jljusten@gmail.com>, Bei Guan <gbtju85@gmail.com>,
kvm-devel <kvm@vger.kernel.org>,
QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] How does the QEMU load the binary files bios.bin and vgabios-cirrus.bin?
Date: Thu, 07 Apr 2011 16:34:38 -0500 [thread overview]
Message-ID: <4D9E2DEE.9080108@codemonkey.ws> (raw)
In-Reply-To: <20110407193107.GH7100@redhat.com>
On 04/07/2011 02:31 PM, Gleb Natapov wrote:
>
> Remapping part is easy. As you are saying QEMU already does remapping,
Yes.
> the only thing missing is creating/destroying/remapping KVM memory slot
> (with SMP it is slightly more complicated, but doable).
Yup. It's not impossible but not free.
> But after doing
> this SMM will not Just Work in KVM on Intel because VMX does not support
> SMM mode and it can't be approximated by vm86, so KVM will have to emulate
> every single instruction while in SMM mode and this like will not work.
Isn't everyone using Westmere's at this point with unrestricted guest
mode :-)
BTW, I assume that there's some kernel logic needed to enable SMM
intercepts but I'm not entirely sure what's involved there.
Regards,
Anthony Liguori
> --
> Gleb.
>
next prev parent reply other threads:[~2011-04-07 21:34 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-07 8:22 [Qemu-devel] How does the QEMU load the binary files bios.bin and vgabios-cirrus.bin? Bei Guan
2011-04-07 13:28 ` Anthony Liguori
2011-04-07 15:31 ` Gleb Natapov
2011-04-07 15:42 ` Anthony Liguori
2011-04-07 15:51 ` Gleb Natapov
2011-04-07 16:08 ` Anthony Liguori
2011-04-07 18:18 ` Jordan Justen
2011-04-07 18:30 ` Gleb Natapov
2011-04-07 18:37 ` Anthony Liguori
2011-04-07 18:37 ` Anthony Liguori
2011-04-07 18:44 ` Gleb Natapov
2011-04-07 18:44 ` Gleb Natapov
2011-04-07 19:03 ` Jordan Justen
2011-04-07 19:03 ` Jordan Justen
2011-04-07 19:16 ` Gleb Natapov
2011-04-07 19:16 ` Gleb Natapov
2011-04-07 19:24 ` Olivier Galibert
2011-04-07 19:24 ` Olivier Galibert
2011-04-07 19:58 ` Jordan Justen
2011-04-07 19:58 ` Jordan Justen
2011-04-07 19:21 ` Anthony Liguori
2011-04-07 19:31 ` Gleb Natapov
2011-04-07 21:34 ` Anthony Liguori [this message]
2011-04-08 5:58 ` Gleb Natapov
2011-04-07 19:47 ` Jordan Justen
2011-04-07 19:47 ` Jordan Justen
2011-04-07 17:30 ` malc
2011-04-07 17:07 ` Bei Guan
2011-04-07 17:31 ` Bei Guan
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