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=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 ACF11C56202 for ; Mon, 23 Nov 2020 13:50:19 +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 367F1206F1 for ; Mon, 23 Nov 2020 13:50:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="SzOSC2Zx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 367F1206F1 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.34381.65382 (Exim 4.92) (envelope-from ) id 1khCEE-0002p6-Dp; Mon, 23 Nov 2020 13:50:02 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 34381.65382; Mon, 23 Nov 2020 13:50:02 +0000 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" Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1khCEE-0002oz-AB; Mon, 23 Nov 2020 13:50:02 +0000 Received: by outflank-mailman (input) for mailman id 34381; Mon, 23 Nov 2020 13:50:01 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1khCEC-0002gu-W5 for xen-devel@lists.xenproject.org; Mon, 23 Nov 2020 13:50:01 +0000 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id c950dab6-87f7-4743-9a93-f12026a5e057; Mon, 23 Nov 2020 13:50:00 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 91D0CAC0C; Mon, 23 Nov 2020 13:49:59 +0000 (UTC) Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1khCEC-0002gu-W5 for xen-devel@lists.xenproject.org; Mon, 23 Nov 2020 13:50:01 +0000 X-Inumbo-ID: c950dab6-87f7-4743-9a93-f12026a5e057 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id c950dab6-87f7-4743-9a93-f12026a5e057; Mon, 23 Nov 2020 13:50:00 +0000 (UTC) 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=1606139399; 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=2MYR1tCC68AyvWxk3zsBK94D4ktPHWPLPWkA84rnIpc=; b=SzOSC2Zx2T80Yye7d/v+73IUNfdgr1+F0HyTNd7/BGDuV69JGDLQwfrbh0WS9ST9/Mr8Xy ywQb5f8WXrdYh1M9W5ULLn9gM/0WUtPr1+5/XVD84PUE0DRiIHDVb/QdZuzrMuXu75k6sA O3Qh4VF4e2DwTjVISmyTIeyP+k0fmbw= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 91D0CAC0C; Mon, 23 Nov 2020 13:49:59 +0000 (UTC) Subject: Ping: [PATCH 0/5] x86/PV: memory management consistency and minor relaxations From: Jan Beulich To: Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Cc: Wei Liu , George Dunlap , "xen-devel@lists.xenproject.org" References: <10a01f61-197b-7df4-192d-917fe135df70@suse.com> Message-ID: <5534e9bc-7c89-53ba-1459-4064c209584d@suse.com> Date: Mon, 23 Nov 2020 14:49:59 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 MIME-Version: 1.0 In-Reply-To: <10a01f61-197b-7df4-192d-917fe135df70@suse.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit On 03.11.2020 11:54, Jan Beulich wrote: > Especially the latter three patches provide only small possible > gains, from all I can tell. I nevertheless wanted to put up the > entire set for consideration. > > 1: consistently inline {,un}adjust_guest_le() > 2: fold redundant calls to adjust_guest_le() > 3: _PAGE_RW changes may take fast path of mod_l[234]_entry() > 4: restrict TLB flushing after mod_l[234]_entry() > 5: avoid TLB flushing after mod_l3_entry() Ping? Jan