Re: [PATCH 1/2] KVM: nVMX: fix EPT permissions as reported in exit qualification

From	Xiao Guangrong <guangrong.xiao@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 1/2] KVM: nVMX: fix EPT permissions as reported in exit qualification
Date	2017-05-12 07:20 +0200
Message-ID	<tGb9D-87M-3@gated-at.bofh.it> (permalink)
References	<tFUs9-5GE-3@gated-at.bofh.it> <tFUs9-5GE-1@gated-at.bofh.it> <tGa3T-7oh-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 05/12/2017 11:59 AM, Xiao Guangrong wrote:
error:
>> @@ -452,7 +459,7 @@ static int FNAME(walk_addr_generic)(struct guest_walker *walker,
>>        */
>>       if (!(errcode & PFERR_RSVD_MASK)) {
>>           vcpu->arch.exit_qualification &= 0x187;
>> -        vcpu->arch.exit_qualification |= ((pt_access & pte) & 0x7) << 3;
>                                                                  ^ here, the original code
> is buggy as pt_access and pte have different bit order, fortunately, this patch fixes it
> too. :)
> 

It's exactly what this patch aims at, do not know what i was thinking when
wrote these down. :(

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[PATCH 1/2] KVM: nVMX: fix EPT permissions as reported in exit qualification Paolo Bonzini <pbonzini@redhat.com> - 2017-05-11 13:30 +0200
  Re: [PATCH 1/2] KVM: nVMX: fix EPT permissions as reported in exit  qualification Xiao Guangrong <guangrong.xiao@gmail.com> - 2017-05-12 06:10 +0200
    Re: [PATCH 1/2] KVM: nVMX: fix EPT permissions as reported in exit  qualification Xiao Guangrong <guangrong.xiao@gmail.com> - 2017-05-12 07:20 +0200

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