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=-10.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, 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 A5F8CC43217 for ; Wed, 22 Sep 2021 06:29:03 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 220DD611B0 for ; Wed, 22 Sep 2021 06:29:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 220DD611B0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 8E09B4A173; Wed, 22 Sep 2021 02:29:02 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@redhat.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id nLzQv78he+df; Wed, 22 Sep 2021 02:29:01 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 899F24A524; Wed, 22 Sep 2021 02:29:01 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id F150A4079A for ; Wed, 22 Sep 2021 02:29:00 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id w2UgDuG38E43 for ; Wed, 22 Sep 2021 02:29:00 -0400 (EDT) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 1DF4940413 for ; Wed, 22 Sep 2021 02:29:00 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1632292139; h=from:from:reply-to:subject:subject: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=pJ7mY3KGJnt0GGObf9665ZCn7DQvGIxKlz9Hgzfe7VE=; b=VphQDZrWgRkSUxYbkIRDJ0JXqa2y5hC8WCe6/aFxI7TfyoGqzt2sVbPMKyHzaGAKYXi41M Il9flX7m1T7O/fvFIjs14x2V/mNCoo8ftL0bPqVSrX6fbdhWApDj3ridN9sl4rry9hM5oZ ZaqBtWnw/jnwZGQPLpHTIx7crPx+jQc= Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-516-I49RSjp2PUWUie5n7JG2Bw-1; Wed, 22 Sep 2021 02:28:58 -0400 X-MC-Unique: I49RSjp2PUWUie5n7JG2Bw-1 Received: by mail-wr1-f70.google.com with SMTP id m1-20020a056000180100b0015e1ec30ac3so1145084wrh.8 for ; Tue, 21 Sep 2021 23:28:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=pJ7mY3KGJnt0GGObf9665ZCn7DQvGIxKlz9Hgzfe7VE=; b=nNjh/i36Q60HFyD2fXgWwqsToqSPJWB58BHyZ5uPDJbd25k203g6Nv35tFQMsjOkng k/hSYZDpHZ/Qo+Ow5QqfKcuOVSiFapBfbD6bSd6vrGAL6NeMA3owODSiqMPNSK1AaAXe TVZSUF9RGa0nSwfQzgYPVOpv8QVSuq8kzQQEaBd6tTHGwXZGXXPDaQ13Z3b9ySYfnSXM G2o3IcwSCrigj8MdAgueou5wFnUO95w22k1GIormMvk76tOvCKLVg13ukvwPeurGZFf4 c73oNDeKnwfB84hfKuXZ57HPaIDF5e2m6rdS4CRYPsSyxvD38vMkvupc19wBKLsQ0iKF jLqA== X-Gm-Message-State: AOAM531kPLrDbH+qtY9tXE+3vHaLjXzzFskstV5Ufp6WI7dRkY6g94cN iYpLftGgvmYN/OiFpzwTnXiOBzCucZD2ACejOdT0/jCET4fX9JdgfBaaMooLprlohycDpieaKmO Rjq9wwtgPNRUtZsWEFSYHRgqT X-Received: by 2002:a05:600c:3ba4:: with SMTP id n36mr8722449wms.35.1632292137454; Tue, 21 Sep 2021 23:28:57 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzGUh0clwu4unN1cIXXPNEQKf8qlYc4JIONnRibnq73sMmW8cPrqysrS+MXk+0qjWI0DZnAvw== X-Received: by 2002:a05:600c:3ba4:: with SMTP id n36mr8722395wms.35.1632292137204; Tue, 21 Sep 2021 23:28:57 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:c8dd:75d4:99ab:290a? ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id i18sm1136021wrn.64.2021.09.21.23.28.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 21 Sep 2021 23:28:56 -0700 (PDT) Subject: Re: [PATCH v3 06/16] perf/core: Rework guest callbacks to prepare for static_call support To: Sean Christopherson , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Will Deacon , Mark Rutland , Marc Zyngier , Guo Ren , Nick Hu , Greentime Hu , Vincent Chen , Paul Walmsley , Palmer Dabbelt , Albert Ou , Boris Ostrovsky , Juergen Gross References: <20210922000533.713300-1-seanjc@google.com> <20210922000533.713300-7-seanjc@google.com> From: Paolo Bonzini Message-ID: <6636ab49-e21c-601f-9d2c-34e681c14faa@redhat.com> Date: Wed, 22 Sep 2021 08:28:52 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210922000533.713300-7-seanjc@google.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Cc: Wanpeng Li , kvm@vger.kernel.org, Alexander Shishkin , Vitaly Kuznetsov , linux-riscv@lists.infradead.org, Jiri Olsa , kvmarm@lists.cs.columbia.edu, Stefano Stabellini , Joerg Roedel , linux-csky@vger.kernel.org, xen-devel@lists.xenproject.org, Namhyung Kim , Artem Kashkanov , linux-arm-kernel@lists.infradead.org, Jim Mattson , Like Xu , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Zhu Lingshan X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On 22/09/21 02:05, Sean Christopherson wrote: > To prepare for using static_calls to optimize perf's guest callbacks, > replace ->is_in_guest and ->is_user_mode with a new multiplexed hook > ->state, tweak ->handle_intel_pt_intr to play nice with being called when > there is no active guest, and drop "guest" from ->is_in_guest. ... from ->get_guest_ip. Code-wise, Reviewed-by: Paolo Bonzini _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm