linux-kernel - Re: [PATCH v8 1/5] selftests/sgx: Rename 'eenter' and 'sgx_call

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Date:   Fri, 11 Jun 2021 16:47:30 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Dave Hansen <dave.hansen@...el.com>,
        Jarkko Sakkinen <jarkko@...nel.org>, shuah@...nel.org
Cc:     linux-kselftest@...r.kernel.org, linux-sgx@...r.kernel.org,
        Reinette Chatre <reinette.chatre@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        linux-kernel@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v8 1/5] selftests/sgx: Rename 'eenter' and 'sgx_call_vdso'

On 6/11/21 11:35 AM, Shuah Khan wrote:
> On 6/10/21 9:45 AM, Dave Hansen wrote:
>> On 6/10/21 1:30 AM, Jarkko Sakkinen wrote:
>>> Rename symbols for better clarity:
>>>
>>> * 'eenter' might be confused for directly calling ENCLU[EENTER].  It 
>>> does
>>>    not.  It calls into the VDSO, which actually has the EENTER 
>>> instruction.
>>> * 'sgx_call_vdso' is *only* used for entering the enclave.  It's not 
>>> some
>>>    generic SGX call into the VDSO.
>>>
>>> Signed-off-by: Jarkko Sakkinen <jarkko@...nel.org>
>>
>> These all look fine to me.  Feel free to add my ack on them.
>>
>> Since these are pure x86 selftests and the initial code went through the
>> x86 maintainers, should these got through them as well?  Or, since this
>> is only selftest code, should Shuah pick them up?
>>
> 
> I will queue these up for 5.14-rc1
> 

I almost applied these. Does this require root access, if so,
please add logic to skip the test if non-root user runs it.

Please check for code paths that require root access and skip
the tests.

thanks,
-- Shuah