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 X-Spam-Level: X-Spam-Status: No, score=-6.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2FDE9C433E0 for ; Fri, 31 Jul 2020 08:00:34 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 0D8D420829 for ; Fri, 31 Jul 2020 08:00:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0D8D420829 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1k1Pxe-0002On-8t; Fri, 31 Jul 2020 08:00:14 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1k1Pxd-0002Oi-5Z for xen-devel@lists.xenproject.org; Fri, 31 Jul 2020 08:00:13 +0000 X-Inumbo-ID: dc29b6da-d303-11ea-ab8c-12813bfff9fa Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id dc29b6da-d303-11ea-ab8c-12813bfff9fa; Fri, 31 Jul 2020 08:00:12 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id A1090AE17; Fri, 31 Jul 2020 08:00:24 +0000 (UTC) Subject: Re: [PATCH 1/4] x86: replace __ASM_{CL,ST}AC To: Andrew Cooper References: <58b9211a-f6dd-85da-d0bd-c927ac537a5d@suse.com> From: Jan Beulich Message-ID: <7ead7983-f652-41d9-62e2-33104af3bba5@suse.com> Date: Fri, 31 Jul 2020 10:00:11 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "xen-devel@lists.xenproject.org" , Wei Liu , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" On 28.07.2020 15:55, Andrew Cooper wrote: > On 15/07/2020 11:48, Jan Beulich wrote: >> --- a/xen/arch/x86/arch.mk >> +++ b/xen/arch/x86/arch.mk >> @@ -20,6 +20,7 @@ $(call as-option-add,CFLAGS,CC,"rdrand % >> $(call as-option-add,CFLAGS,CC,"rdfsbase %rax",-DHAVE_AS_FSGSBASE) >> $(call as-option-add,CFLAGS,CC,"xsaveopt (%rax)",-DHAVE_AS_XSAVEOPT) >> $(call as-option-add,CFLAGS,CC,"rdseed %eax",-DHAVE_AS_RDSEED) >> +$(call as-option-add,CFLAGS,CC,"clac",-DHAVE_AS_CLAC_STAC) > > Kconfig please, rather than extending this legacy section. > > That said, surely stac/clac support is old enough for us to start using > unconditionally? It's available in binutils 2.24 and newer. Jan