On Sat, 12 Jun 2021 12:00:14 +0100,
Austin Kim <[email protected]> wrote:
>
> From: Austin Kim <[email protected]>
>
> Normally local variable 'flags' is defined out of for loop,
> when 'flags' is used as the second parameter in a call to
> spinlock_irq[save/restore] function.
>
> So it had better declear local variable 'flags' ahead of for loop.
Why better? Reducing the scope of a variable is in general good
practice. Do you see any material advantage in moving this variable
out of the loop? Does the compiler generate better code?
Thanks,
M.
--
Without deviation from the norm, progress is not possible.
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