Re: [LTP] [PATCH resend 3/6] syscalls/numa: check syscall availability

Caspar Zhang
2012-08-09T10:36:06Z

On 08/09/2012 05:22 PM, Jan Stancek wrote:
> Caspar,
>
> I think what Garrett meant was something like this:
> /* check if syscall is supported, syscall() here is macro from linux_syscall_numbers.h */
> syscall(__NR_get_mempolicy, NULL, NULL, 0, NULL, 0);
>
> linux_syscall_numbers.h defines a macro "syscall", which checks for ENOSYS.

You're right, hope my "resend v2" is the final correct version...

Oops, the patch didn't append after this mail but followed to the top
thread... hmmm, please help to review the one tagged as "PATCH resend v2
3/6".

And thank you very much for your testing on the whole patch series!

Thanks,
Caspar

>
> Regards,
> Jan
>
> ----- Original Message -----
>> From: "Caspar Zhang" <caspar@casparzhang.com>
>> To: "LTP List" <ltp-list@lists.sourceforge.net>
>> Sent: Thursday, 9 August, 2012 8:15:39 AM
>> Subject: [LTP] [PATCH resend 3/6] syscalls/numa: check syscall availability
>>
>>
>> some NUMA related syscalls: mbind, get_mempolicy are not supported on
>> some arches (e.g. i386), this patch checks the syscalls' availability
>> in
>> setup() function, if the syscall is not implemented on the system, a
>> TCONF message will be given like this:
>>
>> get_mempolicy01 1 TCONF : syscall __NR_get_mempolicy01 not
>> supported on your arch
>>
>> Signed-off-by: Caspar Zhang <caspar@casparzhang.com>
>> ---
>> .../syscalls/get_mempolicy/get_mempolicy01.c | 10 ++++++++++
>> testcases/kernel/syscalls/mbind/mbind01.c | 9 +++++++++
>> 2 files changed, 19 insertions(+), 0 deletions(-)
>>
>>
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