linux-kernel - Re: [PATCH] x86: remove __phys_reloc

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Message-ID: <1281337485.976.24.camel@leonhard>
Date:	Mon, 09 Aug 2010 16:04:45 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: remove __phys_reloc_hide

> It hides the value conversion from the compiler through asm()
> 
> -Andi
> 

Yes, indeed. But for what? __pa_symbol() is just used to get the address
of some linker symbols in forms of unsigned long which has same bit
representation as pointer in x86 (and all supported archs). So do we
still need it or am I missing something?


-- 
Regards,
Namhyung Kim


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