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

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Message-ID: <54D0EA1B.1000508@osg.samsung.com>
Date:	Tue, 03 Feb 2015 08:32:43 -0700
From:	Shuah Khan <shuahkh@....samsung.com>
To:	David Drysdale <drysdale@...gle.com>,
	Michael Ellerman <mpe@...erman.id.au>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux API <linux-api@...r.kernel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	davej@...emonkey.org.uk
Subject: Re: [PATCH v2] selftests/exec: Check if the syscall exists and bail
 if not

On 02/03/2015 12:58 AM, David Drysdale wrote:
> On Tue, Feb 3, 2015 at 3:53 AM, Michael Ellerman <mpe@...erman.id.au> 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@...erman.id.au>
> 
> Acked-by: David Drysdale <drysdale@...gle.com>

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@....samsung.com | (970) 217-8978
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