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From: Borislav Petkov <bp@amd64.org>
To: Tony Luck <tony.luck@gmail.com>
Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com>,
	"dougthompson@xmission.com" <dougthompson@xmission.com>,
	"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] amd64_edac: fix size decoding error on K8
Date: Wed, 9 Nov 2011 22:00:52 +0100	[thread overview]
Message-ID: <20111109210052.GJ14181@aftab> (raw)
In-Reply-To: <CA+8MBbLuhhTZW9vB7GvLCd8Uu7bgfUqkO7wu4=Pt7EWyQx0LrQ@mail.gmail.com>

On Wed, Nov 09, 2011 at 12:50:42PM -0800, Tony Luck wrote:
> On Wed, Nov 9, 2011 at 12:35 PM, Borislav Petkov <bp@amd64.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.

I know, right?! Especially casting the boolean to an unsigned int. Yuck!
But it is compact the stupid thing.

> Perhaps it deserves a comment!

Sure it does, will do.

Thanks.

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551

  reply	other threads:[~2011-11-09 21:00 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-09 14:32 [PATCH] amd64_edac: fix size decoding error on K8 Niklas Söderlund
2011-11-09 14:42 ` Borislav Petkov
2011-11-09 15:13   ` Niklas Söderlund
2011-11-09 20:35     ` Borislav Petkov
2011-11-09 20:50       ` Tony Luck
2011-11-09 21:00         ` Borislav Petkov [this message]
2011-11-14 16:54           ` [PATCH] amd64_edac: Fix K8 revD and later chip select sizes Borislav Petkov
2011-11-15  8:10             ` Niklas Söderlund
2011-11-09 20:51       ` [PATCH] amd64_edac: fix size decoding error on K8 Nils Carlson

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