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Date: Wed, 02 Apr 2008 09:39:18 -0700 From: "H. Peter Anvin" <hpa@...or.com> To: Paul Jackson <pj@....com> CC: "Huang, Ying" <ying.huang@...el.com>, andi@...stfloor.org, mingo@...hat.com, tglx@...utronix.de, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/4] x86_64 boot -v2: Add linked list of struct setup_data Paul Jackson wrote: > Huang wrote: >> On Sat, 2008-03-29 at 23:31 -0500, Paul Jackson wrote: >>> Huang wrote: >>>> +/* setup data types */ >>>> +#define SETUP_NONE 0 >>> This define seems unused? >> I think this can prevent somebody to use 0 as type id. > > Why is it a good idea to prevent a 0 type id? > It is usually handy to have an ID to use as ignore, or not present, and for that to be zero. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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