RE: [PATCH v2] net: dsa: Remove VLA usage

[David Laight]

From: Pavel Machek
> Sent: 29 July 2018 12:40
...
> > > +	unsigned long		*bitmap;
> > > +	unsigned long		_bitmap;
> >
> > This looks rather confusing. _bitmap -> bitmap_data? bitmap_bits?
> 
> Actually, AFAICT that long is not used as a long, but as array of
> bits. So maybe char bitmap_data[8] would be more appropriate?

Unfortunately the 'bitmap' functions are defined to work in a 
specific way on unsigned long[].
This means, for example, that they can't use the x86 'bit' instructions.

	David

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