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Date:   Tue, 13 Feb 2018 23:18:47 +0000
From:   Alan Cox <>
To:     Thomas Gleixner <>
Cc:     "Gustavo A. R. Silva" <>,
        Borislav Petkov <>, Ingo Molnar <>,
        "H. Peter Anvin" <>,,
Subject: Re: [PATCH] x86/microcode/intel: Use 64-bit arithmetic instead of

> 	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'


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