Re: [PATCH 0/5] KVM: x86: Fix KVM behavior that does not follow spec

From: Marcelo Tosatti
Date: Wed Apr 23 2014 - 16:48:03 EST


On Fri, Apr 18, 2014 at 02:33:06AM +0300, Nadav Amit wrote:
> This series of patches fix various scenarios in which KVM behavior does not
> follow x86 specifications. Each patch actually deals with a separate bug.
> These bugs can cause the guest to get stuck (i.e., make no progress), encounter
> spurious injected exceptions, or cause guest code to misbehave. As a result
> guest OS can potentially fail.
>
> Thanks for reviewing the patches.
>
> Nadav Amit (5):
> KVM: x86: Fix wrong/stuck PMU when guest does not use PMI
> KVM: x86: Fix CR3 reserved bits
> KVM: x86: IN instruction emulation should ignore REP-prefix
> KVM: x86: RSI/RDI/RCX are zero-extended when affected by string ops
> KVM: x86: Processor mode may be determined incorrectly

Applied all except patch 4.


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