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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 0A51EC7618B for ; Wed, 24 Jul 2019 09:04:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D8ED12189F for ; Wed, 24 Jul 2019 09:04:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726490AbfGXJEn (ORCPT ); Wed, 24 Jul 2019 05:04:43 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:2747 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726070AbfGXJEn (ORCPT ); Wed, 24 Jul 2019 05:04:43 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 74AC1F6E4DA912F3682E; Wed, 24 Jul 2019 17:04:40 +0800 (CST) Received: from localhost (10.177.19.122) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.439.0; Wed, 24 Jul 2019 17:04:38 +0800 From: Xiangyou Xie To: CC: , , Subject: [PATCH 0/3] KVM: arm/arm64: Optimize lpi translation cache performance Date: Wed, 24 Jul 2019 17:04:34 +0800 Message-ID: <20190724090437.49952-1-xiexiangyou@huawei.com> X-Mailer: git-send-email 2.10.0.windows.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.177.19.122] X-CFilter-Loop: Reflected Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Hello, This patches are based on Marc Zyngier's branch https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=kvm-arm64/its-translation-cache As follows: (1) Introduce multiple LPI translation caches to reduce concurrency (2) Removed the unnecessary vgic_its_invalidate_cache() (3) Introduced vgic_cpu->pending and vgic_cpu->lowest, reducing vgic_cpu.ap_list_lock competition Best Regards, Xiangyou Xiangyou Xie (3): KVM: arm/arm64: vgic-its: Introduce multiple LPI translation caches KVM: arm/arm64: vgic-its: Do not execute invalidate MSI-LPI translation cache on movi command KVM: arm/arm64: vgic: introduce vgic_cpu pending status and lowest_priority include/kvm/arm_vgic.h | 18 +++- virt/kvm/arm/vgic/vgic-init.c | 6 +- virt/kvm/arm/vgic/vgic-its.c | 201 ++++++++++++++++++++++++------------------ virt/kvm/arm/vgic/vgic.c | 40 +++++---- 4 files changed, 160 insertions(+), 105 deletions(-) -- 1.8.3.1