Re: [PATCH v2 05/18] x86/fixmap: Generalize the GDT fixmap mechanism

From: Borislav Petkov
Date: Wed Nov 22 2017 - 12:32:50 EST


On Wed, Nov 22, 2017 at 09:16:00AM -0800, Andy Lutomirski wrote:
> Agreed, except that the fixmap enum needs to know
> sizeof(cpu_entry_area), and I'm really hesitant to add yet another
> header dependency.

Perhaps a separate asm/cpuarea.h. asm/cpu.h looks small enough but it
has hotplug and other misc stuff in there.

Bah, our header separation needs a serious cleanup. ;-\

> My general habit is that I like the != 0 here because I'm doing
> arithmetic rather than thinking of % as some kind of logical operator.
> I.e. I find it easier to understand the way I wrote it.

I know, and I can recognize the code you wrote in arch/x86/ just by
those tests, without looking at git blame output. :-)

In my case, without the != 0 reads easier.

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Boris.

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