linux-kernel - Re: [PATCH] amd64_edac: fix size decoding error on K8

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Message-ID: <CA+8MBbLuhhTZW9vB7GvLCd8Uu7bgfUqkO7wu4=Pt7EWyQx0LrQ@mail.gmail.com>
Date:	Wed, 9 Nov 2011 12:50:42 -0800
From:	Tony Luck <tony.luck@...il.com>
To:	Borislav Petkov <bp@...64.org>
Cc:	Niklas Söderlund <niklas.soderlund@...csson.com>,
	"dougthompson@...ssion.com" <dougthompson@...ssion.com>,
	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] amd64_edac: fix size decoding error on K8

On Wed, Nov 9, 2011 at 12:35 PM, Borislav Petkov <bp@...64.org> wrote:
> +               diff = cs_mode / 3 + (unsigned)(cs_mode > 5);
> +
> +               return 32 << (cs_mode - diff);

Code is correct - but looks like an entry for an obfuscated C
competition. Perhaps
it deserves a comment!

-Tony
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