at.com; kvm@vger.kernel.org
>> Subject: Re: [PATCH kvm-unit-tests v2] access: check SMEP on prefetch pte
>> path
>>
>> On 06/29/2011 06:24 PM, Yang, Wei wrote:
>>
>>> +
>>> + /*
>>> +* Here we write th
> -Original Message-
> From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On
> Behalf Of Xiao Guangrong
> Sent: Friday, July 01, 2011 4:06 PM
> To: Yang, Wei Y
> Cc: a...@redhat.com; kvm@vger.kernel.org
> Subject: Re: [PATCH kvm-unit-tests v2]
On 06/29/2011 06:24 PM, Yang, Wei wrote:
> +
> + /*
> + * Here we write the ro user page when
> + * cr0.wp=0, then we execute it and SMEP
> + * fault should happen.
> + */
> + err_prepare_notwp = ac_test_do_access(&at1);
> + if (!err_prepare_notwp) {
> +
This patch adds SMEP to all test cases and checks SMEP on prefetch
pte path when cr0.wp=0.
changes since v1:
Add SMEP to all test cases and verify it before setting cr4
Signed-off-by: Yang, Wei
Signed-off-by: Shan, Haitao
Signed-off-by: Li, Xin
---
x86/access.c | 108 +