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

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Message-ID: <1423017992.7982.6.camel@ellerman.id.au>
Date:	Wed, 04 Feb 2015 13:46:32 +1100
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Shuah Khan <shuahkh@....samsung.com>
Cc:	David Drysdale <drysdale@...gle.com>,
	"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 Tue, 2015-02-03 at 08:32 -0700, Shuah Khan wrote:
> 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

Thanks.

cheers


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