From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755433Ab0HIHEm (ORCPT ); Mon, 9 Aug 2010 03:04:42 -0400 Received: from mail-pw0-f46.google.com ([209.85.160.46]:36736 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755039Ab0HIHEl (ORCPT ); Mon, 9 Aug 2010 03:04:41 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=sfatU30Sr67iUxbqbspVUYpe+DmdpcnQmY8syrhfHUtGeSUmz3uHd8z5jhcziYk4aO IV0Dhd5ya3bFCAM4Vp5kvStgYKiu4solC4v9+ispJ/BhRi2W5RVYSDO45sQv9bci8T9B 6uDuugodaHbiocWjAK9EoKrwEgAczgoakEHxM= Subject: Re: [PATCH] x86: remove __phys_reloc_hide From: Namhyung Kim To: Andi Kleen Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20100809064441.GC29524@basil.fritz.box> References: <1281303490-390-1-git-send-email-namhyung@gmail.com> <87k4o08fv9.fsf@basil.nowhere.org> <1281336031.976.11.camel@leonhard> <20100809064441.GC29524@basil.fritz.box> Content-Type: text/plain; charset="UTF-8" Date: Mon, 09 Aug 2010 16:04:45 +0900 Message-ID: <1281337485.976.24.camel@leonhard> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > 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