From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 357F0C433F5 for ; Mon, 11 Oct 2021 19:43:10 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E5C3060F43 for ; Mon, 11 Oct 2021 19:43:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E5C3060F43 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=x1p9gH8xNU0qTx4xeH439+k9Z9B72zn7D3+2Xmah/os=; b=OQAA6DR/p6/6e6FaUY5Hch6EF+ w79WmuAbP2b15s1dYJpzIR/syb7wieHCCC8C8F+BGPZaMt1buYJt420zwmaca6ZZpfgdd8wQtFlWJ yKs1zuV3THzV8Vw7jdhTuh2S/VvnolaWfv6RhFiDfjYdOVhF70adnmQOAKmZLUg6YVTdu8i4Df5KQ lf98pKkQIIbTJXtPsgiaZ31eHSZB+C3c52gW0ld+ZQ/6j6TgxA/ulGstIGee3EE+8LaUwOa+mc/Ej 1lkcZ5D0VWI0fL2q6p8jkIICP/i27a8ggUjUUodWTw+gCGLIJynqjiUDNrmY/an/9+RXB/upxDLGA /lGSJb7Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ma1A3-00AWPr-R7; Mon, 11 Oct 2021 19:40:36 +0000 Received: from mga17.intel.com ([192.55.52.151]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ma19z-00AWPK-AW for linux-arm-kernel@lists.infradead.org; Mon, 11 Oct 2021 19:40:32 +0000 X-IronPort-AV: E=McAfee;i="6200,9189,10134"; a="207758566" X-IronPort-AV: E=Sophos;i="5.85,365,1624345200"; d="scan'208";a="207758566" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Oct 2021 12:40:23 -0700 X-IronPort-AV: E=Sophos;i="5.85,365,1624345200"; d="scan'208";a="490605922" Received: from vg1-mobl2.amr.corp.intel.com (HELO [10.212.193.198]) ([10.212.193.198]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Oct 2021 12:40:20 -0700 Subject: Re: [PATCH v2 01/15] x86/cpu: Move intel-family to arch-independent headers To: "Winiarska, Iwona" , "bp@alien8.de" Cc: "corbet@lwn.net" , "jae.hyun.yoo@linux.intel.com" , "d.mueller@elsoft.ch" , "linux-hwmon@vger.kernel.org" , "andrew@aj.id.au" , "Luck, Tony" , "Lutomirski, Andy" , "andriy.shevchenko@linux.intel.com" , "mchehab@kernel.org" , "jdelvare@suse.com" , "linux-kernel@vger.kernel.org" , "olof@lixom.net" , "mingo@redhat.com" , "rdunlap@infradead.org" , "devicetree@vger.kernel.org" , "tglx@linutronix.de" , "linux-aspeed@lists.ozlabs.org" , "arnd@arndb.de" , "linux-doc@vger.kernel.org" , "linux@roeck-us.net" , "zweiss@equinix.com" , "robh+dt@kernel.org" , "openbmc@lists.ozlabs.org" , "gregkh@linuxfoundation.org" , "joel@jms.id.au" , "yazen.ghannam@amd.com" , "linux-arm-kernel@lists.infradead.org" , "pierre-louis.bossart@linux.intel.com" , "x86@kernel.org" , "Williams, Dan J" References: <20210803113134.2262882-1-iwona.winiarska@intel.com> <20210803113134.2262882-2-iwona.winiarska@intel.com> <58ef4107e9b2c60a2605aac0d2fb6670a95bc9e0.camel@intel.com> From: Dave Hansen Autocrypt: addr=dave.hansen@intel.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <58ef4107e9b2c60a2605aac0d2fb6670a95bc9e0.camel@intel.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211011_124031_491450_35A9A59F X-CRM114-Status: GOOD ( 14.86 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 10/11/21 12:21 PM, Winiarska, Iwona wrote: > On Mon, 2021-10-04 at 21:03 +0200, Borislav Petkov wrote: >> On Tue, Aug 03, 2021 at 01:31:20PM +0200, Iwona Winiarska wrote: >>> Baseboard management controllers (BMC) often run Linux but are usually >>> implemented with non-X86 processors. They can use PECI to access package >>> config space (PCS) registers on the host CPU and since some information, >>> e.g. figuring out the core count, can be obtained using different >>> registers on different CPU generations, they need to decode the family >>> and model. >>> >>> Move the data from arch/x86/include/asm/intel-family.h into a new file >>> include/linux/x86/intel-family.h so that it can be used by other >>> architectures. >>> >>> Signed-off-by: Iwona Winiarska >>> Reviewed-by: Tony Luck >>> Reviewed-by: Dan Williams >>> --- >>> To limit tree-wide changes and help people that were expecting >>> intel-family defines in arch/x86 to find it more easily without going >>> through git history, we're not removing the original header >>> completely, we're keeping it as a "stub" that includes the new one. >>> If there is a consensus that the tree-wide option is better, >>> we can choose this approach. >> Why can't the linux/ namespace header include the x86 one so that >> nothing changes for arch/x86/? > Same reason why PECI can't just include arch/x86 directly (we're building for > ARM, not x86). If you're in include/linux/x86-hacks.h, what prevents you from doing #include "../../arch/x86/include/asm/intel-family.h" ? In the end, to the compiler, it's just a file in a weird location in the tree. I think I'd prefer one weird include to moving that file out of arch/x86. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel