Re: [PATCH v1 1/2] selftests/x86/syscall: fix coccinelle WARNING recommending the use of ARRAY_SIZE()

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On 11/1/24 13:04, Muhammad Usama Anjum wrote:
> On 11/1/24 4:15 PM, Mirsad Todorovac wrote:
>> Coccinelle gives WARNING recommending the use of ARRAY_SIZE() macro definition
>> to improve the code readability:
>>
>> ./tools/testing/selftests/x86/syscall_numbering.c:316:35-36: WARNING: Use ARRAY_SIZE
>>
>> Fixes: 15c82d98a0f78 ("selftests/x86/syscall: Update and extend syscall_numbering_64")
>> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
>> Cc: Borislav Petkov <bp@xxxxxxxxx>
>> Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
>> Cc: x86@xxxxxxxxxx
>> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
>> Cc: Shuah Khan <shuah@xxxxxxxxxx>
>> Cc: linux-kernel@xxxxxxxxxxxxxxx
>> Cc: linux-kselftest@xxxxxxxxxxxxxxx
>> Signed-off-by: Mirsad Todorovac <mtodorovac69@xxxxxxxxx>

> Reviewed-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>

Dear Sir,

Thank you for your positive review of the patch.

There are much more suggestions by the coccinelle check, but that's a substantial work to do.

It would help to set some priorities in this by some more experienced developer.

Thank you.

Best regards,
Mirsad Todorovac
 
>> ---
>>  v1: initial version.
>>
>>  tools/testing/selftests/x86/syscall_numbering.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/tools/testing/selftests/x86/syscall_numbering.c b/tools/testing/selftests/x86/syscall_numbering.c
>> index 991591718bb0..41c42b7b54a6 100644
>> --- a/tools/testing/selftests/x86/syscall_numbering.c
>> +++ b/tools/testing/selftests/x86/syscall_numbering.c
>> @@ -25,6 +25,7 @@
>>  #include <sys/mman.h>
>>  
>>  #include <linux/ptrace.h>
>> +#include "../kselftest.h"
>>  
>>  /* Common system call numbers */
>>  #define SYS_READ	  0
>> @@ -313,7 +314,7 @@ static void test_syscall_numbering(void)
>>  	 * The MSB is supposed to be ignored, so we loop over a few
>>  	 * to test that out.
>>  	 */
>> -	for (size_t i = 0; i < sizeof(msbs)/sizeof(msbs[0]); i++) {
>> +	for (size_t i = 0; i < ARRAY_SIZE(msbs); i++) {
>>  		int msb = msbs[i];
>>  		run("Checking system calls with msb = %d (0x%x)\n",
>>  		    msb, msb);
> 




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