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SubjectRe: [PATCH v2] EDAC, sb_edac: Remove VLA usage
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On 03/13/2018 08:21 AM, Mauro Carvalho Chehab wrote:
> Em Tue, 13 Mar 2018 06:20:34 -0500
> "Gustavo A. R. Silva" <gustavo@embeddedor.com> escreveu:
>
>> In preparation to enabling -Wvla, remove VLA and replace it
>> with a fixed-length array instead.
>>
>> Fixed as part of the directive to remove all VLAs from
>> the kernel: https://lkml.org/lkml/2018/3/7/621
>>
>> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
>> ---
>> Changes in v2:
>> - Use macro max_t to compute the max of all three array sizes.
>> This change is based on Borislav's feedback.
>>
>> drivers/edac/sb_edac.c | 6 +++++-
>> 1 file changed, 5 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
>> index 8721002..196b012 100644
>> --- a/drivers/edac/sb_edac.c
>> +++ b/drivers/edac/sb_edac.c
>> @@ -110,6 +110,10 @@ static const u32 knl_interleave_list[] = {
>> 0xdc, 0xe4, 0xec, 0xf4, 0xfc, /* 15-19 */
>> 0x104, 0x10c, 0x114, 0x11c, /* 20-23 */
>> };
>> +#define MAX_INTERLEAVE (max_t(unsigned int, ARRAY_SIZE(sbridge_interleave_list),\
>> + max_t(unsigned int, ARRAY_SIZE(ibridge_interleave_list),\
>> + ARRAY_SIZE(knl_interleave_list))))
>> +
>
> In order to avoid too long lines, it would be better to do it as:
>
> #define MAX_INTERLEAVE \
> (max_t(unsigned int, ARRAY_SIZE(sbridge_interleave_list), \
> max_t(unsigned int, ARRAY_SIZE(ibridge_interleave_list), \
> ARRAY_SIZE(knl_interleave_list))))
>

Yep. I agree.

>
> With that:
>
> Reviewed-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
>

I'll send v3 and add your Reviewed-by.

Thanks, Mauro.
--
Gustavo

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