From: Avi Kivity <avi.kivity@gmail.com>
To: kvm@vger.kernel.org
Subject: Re: [PATCHv2 6/6] KVM: VMX: handle IO when emulation is due to #GP in real mode.
Date: Sat, 22 Dec 2012 11:06:39 +0000 (UTC) [thread overview]
Message-ID: <loom.20121222T120354-284@post.gmane.org> (raw)
In-Reply-To: 1356017141.10845.33.camel@ul30vt.home
Alex Williamson <alex.williamson <at> redhat.com> writes:
> Thanks for finding the right fix Gleb. This originally came about from
> an experiment in lazily mapping assigned device MMIO BARs. That's
> something I think might still have value for conserving memory slots,
> but now I have to be aware of this bug. That makes me wonder if we need
> to expose a capability for the fix. I could also just avoid the lazy
> path if a device includes a ROM, but it's still difficult to know how
> long such a workaround is required. Thanks,
Just backport the fix to all stable kernels and you're done.
(posting from gmane so cc: list lost)
next prev parent reply other threads:[~2012-12-22 11:09 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-20 14:57 [PATCHv2 0/6] more VMX real mode emulation fixes Gleb Natapov
2012-12-20 14:57 ` [PATCHv2 1/6] KVM: emulator: drop RPL check from linearize() function Gleb Natapov
2013-02-11 16:58 ` Jan Kiszka
2013-02-11 17:25 ` Gleb Natapov
2013-02-11 17:31 ` Jan Kiszka
2013-02-11 17:40 ` Gleb Natapov
2013-02-11 17:50 ` Gleb Natapov
2013-02-11 18:05 ` Jan Kiszka
2013-02-11 18:40 ` Gleb Natapov
2012-12-20 14:57 ` [PATCHv2 2/6] KVM: emulator: implement fninit, fnstsw, fnstcw Gleb Natapov
2012-12-20 14:57 ` [PATCHv2 3/6] KVM: VMX: make rmode_segment_valid() more strict Gleb Natapov
2012-12-20 14:57 ` [PATCHv2 4/6] KVM: VMX: fix emulation of invalid guest state Gleb Natapov
2012-12-20 14:57 ` [PATCHv2 5/6] KVM: VMX: Do not fix segment register during vcpu initialization Gleb Natapov
2012-12-20 14:57 ` [PATCHv2 6/6] KVM: VMX: handle IO when emulation is due to #GP in real mode Gleb Natapov
2012-12-20 15:25 ` Alex Williamson
2012-12-20 16:43 ` Gleb Natapov
2012-12-20 22:58 ` Alex Williamson
2012-12-21 8:01 ` Gleb Natapov
2012-12-22 11:06 ` Avi Kivity [this message]
2012-12-23 9:44 ` Gleb Natapov
2013-01-03 12:53 ` [PATCHv2 0/6] more VMX real mode emulation fixes Marcelo Tosatti
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