Re: [PATCH v2] selftests/exec: Check if the syscall exists and bail if not

From: Shuah Khan
Date: Tue Feb 03 2015 - 10:32:51 EST


On 02/03/2015 12:58 AM, David Drysdale wrote:
> On Tue, Feb 3, 2015 at 3:53 AM, Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote:
>> On systems which don't implement sys_execveat(), this test produces a
>> lot of output.
>>
>> Add a check at the beginning to see if the syscall is present, and if
>> not just note one error and return.
>>
>> When we run on a system that doesn't implement the syscall we will get
>> ENOSYS back from the kernel, so change the logic that handles
>> __NR_execveat not being defined to also use ENOSYS rather than -ENOSYS.
>>
>> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
>
> Acked-by: David Drysdale <drysdale@xxxxxxxxxx>

Thanks Michael, and David. I will queue this for 3.20

-- Shuah


--
Shuah Khan
Sr. Linux Kernel Developer
Open Source Innovation Group
Samsung Research America (Silicon Valley)
shuahkh@xxxxxxxxxxxxxxx | (970) 217-8978
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