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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 200D5C433EF for ; Tue, 29 Mar 2022 23:48:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240969AbiC2XuA (ORCPT ); Tue, 29 Mar 2022 19:50:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239514AbiC2Xty (ORCPT ); Tue, 29 Mar 2022 19:49:54 -0400 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0CA8204C9F for ; Tue, 29 Mar 2022 16:48:08 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id m18so14139008plx.3 for ; Tue, 29 Mar 2022 16:48:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=k9zNH8eck7B2fqpSHhtjQeS2/0DdhWXUpHBJSuxKOv8=; b=laMf07yySldwhTJdf1DNpFBQdKfmIe/udTZIfmSv7noXMTdG9OSeh2ZOTifk/VxW7W /0qaWI+OIPWuWqh8829MPDsHpwXOKZf3GvbG9HOsl7q0M9zxgIdACJYJ2QFW+00b6IMl wZ2ypU6WshzDuGWYltk/gCBUhLvo2RQOyU61//80w2nFZSfUwsDNyHkrRphdRWy7gXq6 fohaBr7Mn9/13s83/DhlM5uI1IafNFhkoUI4rD79RyfZ0uTkb9qAomBkNOrNrNPOQ+gP k5Co4ANfaity67+ihz73dlRVtZzvhHae6zDw04Huec1jfNF3maJSKVL/Jjwac8cQkJWV vplg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=k9zNH8eck7B2fqpSHhtjQeS2/0DdhWXUpHBJSuxKOv8=; b=Ujqwy8ZEF6OcP5CzdfSb0WZ7UKMdccrs8mDTQjtOu0KDlpeLVdjmbhWe4RnhvNWLhb AAPqV9xcFo7TBkzeQs1Fpn4ahdjFlecE8E4lkbOsZpnU9WU3gNptIx2Z2oPLeGwdUOJt IIOVucNLzdHpAaffvCAIRVKHWblWumB2qUn4LAtDJ9uC5Q27tsd/Yq4IB1tcMltuSqg8 8/xjV2wlzW0EsyLchR27I++k39FnCxpb7lWThNwny36t5n8JkRDEPZY6xpzAJLZ3pgM5 FlI824OQFRgYskaClOncWe4WhlGrZjQu439RKGMHIoNYY6Ro6MmhGPjW0XZLGB3/owrs GpUg== X-Gm-Message-State: AOAM531EesLLJv4+G0h02ZymUip5UNuXHjPQCmsRr7AKlNnhC7tT1qYi 4O+pTfG2dKt/H+mpSVyPJA+3sw== X-Google-Smtp-Source: ABdhPJwi0XSuejkaAFbg1D/khFYUdTlk19+zKFj7wtL6dE/9hSWn+IJ+E/tQR25dvxGUxBT5WJy72w== X-Received: by 2002:a17:903:1210:b0:14f:973e:188d with SMTP id l16-20020a170903121000b0014f973e188dmr31927885plh.61.1648597688097; Tue, 29 Mar 2022 16:48:08 -0700 (PDT) Received: from google.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id e12-20020a056a001a8c00b004fab88d7de8sm20808407pfv.132.2022.03.29.16.48.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Mar 2022 16:48:07 -0700 (PDT) Date: Tue, 29 Mar 2022 23:48:03 +0000 From: Sean Christopherson To: Like Xu Cc: Paolo Bonzini , kvm@vger.kernel.org, Jim Mattson , Wanpeng Li , Vitaly Kuznetsov , Joerg Roedel , linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 4/4] KVM: x86: Use static calls to reduce kvm_pmu_ops overhead Message-ID: References: <20220307115920.51099-1-likexu@tencent.com> <20220307115920.51099-5-likexu@tencent.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220307115920.51099-5-likexu@tencent.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 07, 2022, Like Xu wrote: > From: Like Xu > > Use static calls to improve kvm_pmu_ops performance. Introduce the > definitions that will be used by a subsequent patch to actualize the > savings. Add a new kvm-x86-pmu-ops.h header that can be used for the > definition of static calls. This header is also intended to be > used to simplify the defition of amd_pmu_ops and intel_pmu_ops. This is stale, there are no subsequent patches and I think we decided to not fill vendor ops with the ops.h headers. I'll tweak it when sending v3.1.