linux-kernel - Re: [PATCH 1/2] kselftests: mm: Fix wrong __NR

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Message-ID: <a9ae7dc4-275d-43c3-bf4c-b0090cb6bb12@linuxfoundation.org>
Date: Thu, 12 Sep 2024 09:44:17 -0600
From: Shuah Khan <skhan@...uxfoundation.org>
To: Muhammad Usama Anjum <usama.anjum@...labora.com>,
 Andrew Morton <akpm@...ux-foundation.org>, Shuah Khan <shuah@...nel.org>,
 John Hubbard <jhubbard@...dia.com>, David Hildenbrand <david@...hat.com>
Cc: kernel@...labora.com, linux-mm@...ck.org,
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
 Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH 1/2] kselftests: mm: Fix wrong __NR_userfaultfd value

On 9/12/24 04:31, Muhammad Usama Anjum wrote:
> The value of __NR_userfaultfd was changed to 282 when
> asm-generic/unistd.h was included. It makes the test to fail every time
> as the correct number of this syscall on x86_64 is 323. Fix the header
> to asm/unistd.h.
> 

"please elaborate every time" - I just built on my x86_64 and built
just fine. I am not saying this isn't a problem, it is good to
understand why and how it is failing before making the change.

> Fixes: a5c6bc590094 ("selftests/mm: remove local __NR_* definitions")
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
> ---
>   tools/testing/selftests/mm/pagemap_ioctl.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/mm/pagemap_ioctl.c b/tools/testing/selftests/mm/pagemap_ioctl.c
> index fc90af2a97b80..bcc73b4e805c6 100644
> --- a/tools/testing/selftests/mm/pagemap_ioctl.c
> +++ b/tools/testing/selftests/mm/pagemap_ioctl.c
> @@ -15,7 +15,7 @@
>   #include <sys/ioctl.h>
>   #include <sys/stat.h>
>   #include <math.h>
> -#include <asm-generic/unistd.h>
> +#include <asm/unistd.h>
>   #include <pthread.h>
>   #include <sys/resource.h>
>   #include <assert.h>

Also please generate a series with these two patches with cover-letter.

thanks,
-- Shuah