Re: [PATCH] x86/microcode/intel: Use 64-bit arithmetic instead of 32-bit

From: Alan Cox
Date: Tue Feb 13 2018 - 18:19:21 EST


> if (c->x86_cache_size >= 0)
> seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
>
> which is silly, because that really can be done with:
>
> if (c->x86_cache_size)
>
> as there is no point in printing 'cache size 0KB', which means
> x86_cache_size can be made unsigned int, which makes sense because cache
> size < 0 does not at all.

Currently 0MB means "I know you have no cache" (early slot 1 celeron),
while not printing it means 'I have no clue'

Alan