Re: [PATCH -v2] x86: allocate cpumask during check irq vectors

From: Prarit Bhargava
Date: Sun Jan 26 2014 - 16:46:57 EST




On 01/26/2014 03:29 PM, H. Peter Anvin wrote:
> I strongly disagree with putting variables in file scope when function scope will do, but I do like to see static variables before automatics. Anyway, this is bikeshedding.
>
> Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>>
>> * H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>>
>>> s/global/static/, with a big loud comment why it is okay.
>>
>> It would be a global no matter which form we use, but for
>> maintainability reasons I generally prefer a static put right before
>> the function that uses it:
>>
>> static cpumask_t mask;
>>
>> static func(...)
>> {
>> }
>>
>> That makes it really apparent that it's a global - statics are easily
>> missed when hiding amongst local variables.

Okay, thanks for the input -- I'll put something together and test.

P.

>>
>> Thanks,
>>
>> Ingo
>
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