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 E34CBC4332F for ; Wed, 20 Apr 2022 16:42:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380700AbiDTQo4 (ORCPT ); Wed, 20 Apr 2022 12:44:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1380608AbiDTQoy (ORCPT ); Wed, 20 Apr 2022 12:44:54 -0400 Received: from mail-wr1-x42b.google.com (mail-wr1-x42b.google.com [IPv6:2a00:1450:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC4BE45508; Wed, 20 Apr 2022 09:42:07 -0700 (PDT) Received: by mail-wr1-x42b.google.com with SMTP id i20so3027560wrb.13; Wed, 20 Apr 2022 09:42:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=+ou1ou1zV9UaV2Zj7tsZVE0ZuabN20IH6pOGkZC7FGM=; b=ZGfOw2Oxxo9b4JYyBgKxTh+/uMVBGNG9Q/dljYIqhRg+IYvE3cvcuoqHhos10MMFFv m0qDlPj7ubAXrs86bEDpUSy4oSoLh6QBCsjVoLyb2qW8Njw+2wP5bigWFiCJLP/JoZEY UcVMQThCCwzQhzTQAXuVMsfBO4fidkgLNJD+SzYlbNG/z+zMSe4yipazjqENYHhA+pcy HFtUJm4ZOB7dX5fH8x8Zqp4G7M9Cj5hJkprZX+8/39swie8RLAn8iiYZV5KgL9GX8seM UgjBSq47hSeD0hZ8IKsB+nuv0jW7LfyU969xLNIj7CSnaz0gMQHG3Fk3TX3ZldYMfrDh G+1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:message-id:date:mime-version:user-agent :subject:content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=+ou1ou1zV9UaV2Zj7tsZVE0ZuabN20IH6pOGkZC7FGM=; b=LkQBp0nLIgxph4fjAVZiY5hn4Qcaoh2vwEz+/RNL8U6EQg5I3rsMlL8Z+dMMBq9N6m frLFT6Ab6OeglrybDcrEzezNabbF5TpFe3AbC19j/n7tnz4Ip2DLovSRJbc8XB01nHH/ ATgaANZRxoveoSUtrqvOsSS8Pc558sq4WY2C6dUbJ6oramDFw7ObiE+04Cvr/tLT595M P6quj9uXFB3bweWxeNl8T6YSpkHCJyMD2r6Hbspn6csZvBg75gMEgOxwLR5C8CuE1hpV Tq75SNJtXsPq4NAZN4urNvPDjxGYMXySsv9rvokfd7M2y7UNq7muqFgbRoq3zKyOc7Vn NPug== X-Gm-Message-State: AOAM532dvLKuuEStKvNuyjbiwe79yW8U6G+EDGHo0qDT4fwKxTB6AUI9 N7Hg+p9JCJnwTO01ddEdr0o= X-Google-Smtp-Source: ABdhPJwddJlv85690FDtb2F9R7/n0XYYswhWBDPE9VCI8YgTgGJzNni/RVAm3/lL0vc+eyZ/zGWwsw== X-Received: by 2002:adf:e346:0:b0:205:97d0:50db with SMTP id n6-20020adfe346000000b0020597d050dbmr16526628wrj.257.1650472926236; Wed, 20 Apr 2022 09:42:06 -0700 (PDT) Received: from ?IPV6:2001:b07:6468:f312:c8dd:75d4:99ab:290a? ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.googlemail.com with ESMTPSA id e16-20020a05600c2dd000b0038ed449cbdbsm326460wmh.3.2022.04.20.09.42.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 20 Apr 2022 09:42:05 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <36ffc0e3-ac2d-be99-002b-916c1e0797b8@redhat.com> Date: Wed, 20 Apr 2022 18:42:04 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [PATCH V2 0/2] KVM: SVM: Optimize AVIC incomplete IPI #vmexit handling Content-Language: en-US To: Suravee Suthikulpanit , linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: mlevitsk@redhat.com, seanjc@google.com, joro@8bytes.org, jon.grimm@amd.com, wei.huang2@amd.com, terry.bowman@amd.com References: <20220420154954.19305-1-suravee.suthikulpanit@amd.com> From: Paolo Bonzini In-Reply-To: <20220420154954.19305-1-suravee.suthikulpanit@amd.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/20/22 17:49, Suravee Suthikulpanit wrote: > This series introduce a fast-path when handling AVIC incomplete IPI #vmexit > for AVIC, and introduce a new tracepoint for the slow-path processing. > > Regards, > Suravee > > Change from v1: (https://lore.kernel.org/lkml/20220414051151.77710-1-suravee.suthikulpanit@amd.com/T/) > * Rebased on top of Linux 5.18-rc3 > * Patch 1/2: > - Update commit shortlog to be more meaningful > - Refactor to remove x2AVIC related logic for now, which will be included > in the x2AVIC patch series. > > Suravee Suthikulpanit (2): > KVM: SVM: Use target APIC ID to complete AVIC IRQs when possible > KVM: SVM: Introduce trace point for the slow-path of > avic_kic_target_vcpus > > arch/x86/kvm/svm/avic.c | 74 ++++++++++++++++++++++++++++++++++++++--- > arch/x86/kvm/trace.h | 20 +++++++++++ > arch/x86/kvm/x86.c | 1 + > 3 files changed, 91 insertions(+), 4 deletions(-) > Queued, thanks. Paolo