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=-12.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 148FFC433E0 for ; Wed, 10 Mar 2021 14:42:17 +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 C22BC64EB7 for ; Wed, 10 Mar 2021 14:42:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C22BC64EB7 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.96156.181675 (Exim 4.92) (envelope-from ) id 1lK02K-0003ZE-3y; Wed, 10 Mar 2021 14:42:08 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 96156.181675; Wed, 10 Mar 2021 14:42:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lK02K-0003Z7-0w; Wed, 10 Mar 2021 14:42:08 +0000 Received: by outflank-mailman (input) for mailman id 96156; Wed, 10 Mar 2021 14:42:06 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lK02I-0003Yz-BA for xen-devel@lists.xenproject.org; Wed, 10 Mar 2021 14:42:06 +0000 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 8f9eb122-2aa9-4f04-b1f7-49811c1d7b4a; Wed, 10 Mar 2021 14:42:05 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 83989AE78; Wed, 10 Mar 2021 14:42:04 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 8f9eb122-2aa9-4f04-b1f7-49811c1d7b4a X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1615387324; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=+/0syBVLNk8kdInbBQltckRnqMuyIZPKIEM/Rs/ny3Y=; b=l9N0AUkqrrHFm/Jp2ESxBj2Y1aKWtXMc+9gTZ8Y4eObL6pCL0JhzS9VWNqD5KgmRemvX/L sqR8uK+2F+v/8JJjxjkKkU+S3cvFrCF7gkk3NJYvw+gN2T7sWttXdXdp2XyjiZB1/bxxg3 7hYEgI7txiHx6Rs0W07H21ysOoHiev0= Subject: Re: [PATCH v6 05/12] x86/alternative: support ALTERNATIVE_TERNARY To: Borislav Petkov Cc: xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra References: <20210309134813.23912-1-jgross@suse.com> <20210309134813.23912-6-jgross@suse.com> <20210310142754.GH23521@zn.tnic> From: =?UTF-8?B?SsO8cmdlbiBHcm/Dnw==?= Message-ID: <544d2242-9a1d-b7cb-dd8f-e40c9277a3de@suse.com> Date: Wed, 10 Mar 2021 15:42:03 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <20210310142754.GH23521@zn.tnic> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="yUa0AJIhNLS0Uyf0hnyo1orD0saQSud6E" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --yUa0AJIhNLS0Uyf0hnyo1orD0saQSud6E Content-Type: multipart/mixed; boundary="kJ8l9mKS7p0DVZOe2szQ2JoMiNQgWluHZ"; protected-headers="v1" From: =?UTF-8?B?SsO8cmdlbiBHcm/Dnw==?= To: Borislav Petkov Cc: xen-devel@lists.xenproject.org, x86@kernel.org, linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra Message-ID: <544d2242-9a1d-b7cb-dd8f-e40c9277a3de@suse.com> Subject: Re: [PATCH v6 05/12] x86/alternative: support ALTERNATIVE_TERNARY References: <20210309134813.23912-1-jgross@suse.com> <20210309134813.23912-6-jgross@suse.com> <20210310142754.GH23521@zn.tnic> In-Reply-To: <20210310142754.GH23521@zn.tnic> --kJ8l9mKS7p0DVZOe2szQ2JoMiNQgWluHZ Content-Type: multipart/mixed; boundary="------------B77F5407A0AB926917EEBC34" Content-Language: en-US This is a multi-part message in MIME format. --------------B77F5407A0AB926917EEBC34 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 10.03.21 15:27, Borislav Petkov wrote: > On Tue, Mar 09, 2021 at 02:48:06PM +0100, Juergen Gross wrote: >> diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm= /alternative.h >> index 89889618ae01..4fb844e29d26 100644 >> --- a/arch/x86/include/asm/alternative.h >> +++ b/arch/x86/include/asm/alternative.h >> @@ -178,6 +178,9 @@ static inline int alternatives_text_reserved(void = *start, void *end) >> ALTINSTR_REPLACEMENT(newinstr2, 2) \ >> ".popsection\n" >> =20 >> +#define ALTERNATIVE_TERNARY(oldinstr, feature, newinstr1, newinstr2) = \ >> + ALTERNATIVE_2(oldinstr, newinstr2, X86_FEATURE_ALWAYS, newinstr1, fe= ature) >=20 > Make that: >=20 > /* > * If @feature is set, patch @newinstr_yes, else @newinstr_no > */ > #define ALTERNATIVE_TERNARY(oldinstr, feature, newinstr_yes, newinstr_n= o) \ > ALTERNATIVE_2(oldinstr, newinstr_no, X86_FEATURE_ALWAYS, newin= str_yes, feature) >=20 > and in alternative-asm.h too pls. 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