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_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 5E29AC43462 for ; Thu, 15 Apr 2021 11:50:48 +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 E6469613C0 for ; Thu, 15 Apr 2021 11:50:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E6469613C0 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.111061.212287 (Exim 4.92) (envelope-from ) id 1lX0Vv-0006pH-0T; Thu, 15 Apr 2021 11:50:27 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 111061.212287; Thu, 15 Apr 2021 11:50:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lX0Vu-0006pA-Rg; Thu, 15 Apr 2021 11:50:26 +0000 Received: by outflank-mailman (input) for mailman id 111061; Thu, 15 Apr 2021 11:50:25 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lX0Vt-0006p5-GP for xen-devel@lists.xenproject.org; Thu, 15 Apr 2021 11:50:25 +0000 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 06ce98a9-32db-4bd0-af27-1988426c7628; Thu, 15 Apr 2021 11:50:24 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id D4492AE20; Thu, 15 Apr 2021 11:50:23 +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: 06ce98a9-32db-4bd0-af27-1988426c7628 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=1618487423; 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=0Lv3VaxOeFc4OKtSDkCOchgWnDe16hKDL40OiHVUNIg=; b=LAY/wsSH4FiUPzQ4Mo1fg3OH+kix7CZ1pdeZ+XavvdS8VgnCFeGlBQ5AtVjZMECucbq/30 cX5cknpzarTdVzYWv0PuAH5s1Ux6CJobfxJUorvysYuFE/HqGjCFIGXT9Mq/VsQc0xTbd5 DXuG82hEy88YIbSmQVWf74O9ooFpq74= Subject: Re: [PATCH v5 1/2] x86/vtx: add LBR_SELECT to the list of LBR MSRs To: Igor Druzhinin , xen-devel@lists.xenproject.org Cc: jun.nakajima@intel.com, kevin.tian@intel.com, andrew.cooper3@citrix.com, roger.pau@citrix.com, wl@xen.org References: <1618481062-16094-1-git-send-email-igor.druzhinin@citrix.com> From: Jan Beulich Message-ID: Date: Thu, 15 Apr 2021 13:50:23 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 MIME-Version: 1.0 In-Reply-To: <1618481062-16094-1-git-send-email-igor.druzhinin@citrix.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit On 15.04.2021 12:04, Igor Druzhinin wrote: > This MSR exists since Nehalem / Silvermont and is actively used by Linux, > for instance, to improve sampling efficiency. > > Signed-off-by: Igor Druzhinin Reviewed-by: Jan Beulich