linux-kernel - Re: [PATCH 0/3] Emulate VMXON region correctly

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Message-ID: <jpglhuoxene.fsf@nelium.bos.redhat.com>
Date:	Tue, 29 Apr 2014 12:51:33 -0400
From:	Bandan Das <bsd@...hat.com>
To:	Jan Kiszka <jan.kiszka@...mens.com>
Cc:	kvm@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
	Gleb Natapov <gleb@...nel.org>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] Emulate VMXON region correctly

Jan Kiszka <jan.kiszka@...mens.com> writes:

> On 2014-04-28 07:00, Bandan Das wrote:
>> Reference: https://bugzilla.kernel.org/show_bug.cgi?id=54521
>> 
>> The vmxon region is unused by nvmx, but adding these checks
>> are probably harmless and may detect buggy L1 hypervisors in 
>> the future!
>
> Nice and welcome! Will you provide unit tests for these cases as well?

Yeah, this and test cases for ACK_INTR_ON_EXIT are in my todo list :)
I will follow up soon..

> Jan
>
>> 
>> Bandan Das (3):
>>   KVM: nVMX: rearrange get_vmx_mem_address
>>   KVM: nVMX: additional checks on vmxon region
>>   KVM: nVMX: fail on invalid vmclear/vmptrld pointer
>> 
>>  arch/x86/kvm/vmx.c | 171 ++++++++++++++++++++++++++++++++++++-----------------
>>  1 file changed, 118 insertions(+), 53 deletions(-)
>> 
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