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=-12.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 EAAA3C4707F for ; Thu, 27 May 2021 15:11:37 +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 A7E41613AA for ; Thu, 27 May 2021 15:11:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A7E41613AA 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.133567.248909 (Exim 4.92) (envelope-from ) id 1lmHfS-0004Xi-0H; Thu, 27 May 2021 15:11:26 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 133567.248909; Thu, 27 May 2021 15:11:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lmHfR-0004Xb-Sf; Thu, 27 May 2021 15:11:25 +0000 Received: by outflank-mailman (input) for mailman id 133567; Thu, 27 May 2021 15:11:25 +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 1lmHfQ-0004XV-V4 for xen-devel@lists.xenproject.org; Thu, 27 May 2021 15:11:24 +0000 Received: from smtp-out2.suse.de (unknown [195.135.220.29]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id d9b6d61e-3915-4756-a3f1-26aeb549e764; Thu, 27 May 2021 15:11:23 +0000 (UTC) Received: from imap.suse.de (imap-alt.suse-dmz.suse.de [192.168.254.47]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id ADEFD1FD2F; Thu, 27 May 2021 15:11:22 +0000 (UTC) Received: from director2.suse.de (director2.suse-dmz.suse.de [192.168.254.72]) by imap.suse.de (Postfix) with ESMTPSA id 7B5E711A98; Thu, 27 May 2021 15:11:22 +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: d9b6d61e-3915-4756-a3f1-26aeb549e764 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1622128282; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Wkwbi+PB7BAz1+KVXLTqHm7BunOvpihQ5ejo2Lv2Dqo=; b=o2+ph9guFwFdKDsFlNf56JQXyY52wCR/PA1RUDFCQW5uIPNnj4xaalzGfzRG2H4+Kx5AGE eXlM7wQYugpm7KLY/MNO4BR7m9LTGRszTeKi8/ZY+CMO+baJG6vFcqLIH1zANoTL9qJOT6 u7ZTsedpdEVe0ElgwcCp/7G42M7EbEs= Subject: Re: [PATCH 3/3] x86/tsx: Deprecate vpmu=rtm-abort and use tsx= instead To: Andrew Cooper Cc: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= , Wei Liu , Xen-devel References: <20210527132519.21730-1-andrew.cooper3@citrix.com> <20210527132519.21730-4-andrew.cooper3@citrix.com> From: Jan Beulich Message-ID: Date: Thu, 27 May 2021 17:11:18 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: <20210527132519.21730-4-andrew.cooper3@citrix.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit On 27.05.2021 15:25, Andrew Cooper wrote: > This reuses the rtm_disable infrastructure, so CPUID derivation works properly > when TSX is disabled in favour of working PCR3. > > vpmu= is not a supported feature, and having this functionality under tsx= > centralises all TSX handling. > > Signed-off-by: Andrew Cooper Acked-by: Jan Beulich