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=-8.3 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 76BECC71122 for ; Sat, 13 Oct 2018 14:55:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B83020877 for ; Sat, 13 Oct 2018 14:55:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kEGPa6QJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3B83020877 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726974AbeJMWc3 (ORCPT ); Sat, 13 Oct 2018 18:32:29 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:40418 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726795AbeJMWc3 (ORCPT ); Sat, 13 Oct 2018 18:32:29 -0400 Received: by mail-pg1-f194.google.com with SMTP id n31-v6so7160985pgm.7; Sat, 13 Oct 2018 07:55:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=xfRQSfuAnDwpnOZIhNPY62J4SefIE5r3CvTTeCEiYqw=; b=kEGPa6QJhdMHlGHes7FOLSyU0rDOjoeamuSKvaf+coDqupnJrSDNQRDrzS7q53a/Z5 EN6Nt7Y22s9Nmaocti3wGyH563gtz2RKfb1KxaR0SuWJHpWvEJAlOdlGK7x4/cjQZmi1 nDt7/gWfEljVzI0IDxRYo3QYzGDiiOjfEEt1UxaEg5wqOf7LuK2TomFcqWgLZ38vJIxC D+CKBK/5qQCR2YvWoVKhbQzwBH5+hyHPhH2wUgnVt4gDGdUVWnEnx9dpry90Hb9lgxlx JDccZzyHuorSPVrX1Tn00yiipQQBgokGg9odBcmd3eAz7HMcS7wJvW4Ft2KeqA2b/bZc uc6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=xfRQSfuAnDwpnOZIhNPY62J4SefIE5r3CvTTeCEiYqw=; b=He005Zo4zWSkBmTZjJwki5olZ21+ACcnRA2vKcEl8ezsEebiWmHJMSOBrtT5sZJERI rpq4Y7G5mppPFAm2pwka4+p0jEo92drgdOHv9hLx1uAV7ZzGQqm99zalYusl8RKwmWxz kAeL3HdPe52NIrKxgbONzkdIGGOawtAVgmkRdh2L2I1Vjr2LQsFTEUOUZyJK9poRoElH wVQK/0ly/4kWOjFyzaUJ8cU3jUfykXOeceoVNYzQqdT2sjfh/s4sn7SzoNH3cL0s+YlV TfCN2LWzchO/YWB6pkGQrwLCl2whUPDr4pC2OdTa9QCxgO6qitdLDPf1aXTZgtyD7CmO a2hw== X-Gm-Message-State: ABuFfogBqjOnnb4JT6sDAKQUbgu8OZ+68cOpOSULiaeqMdZ5OdC6bGvL lhK/tT5dmxJJrmyKvBeSaD4= X-Google-Smtp-Source: ACcGV633MgP2AR9dFAN09KFqFM/iiL4+YwpQcy51rm9ZiZRF1JKK0idSdE4JVatp10eY+XqRqDk5+Q== X-Received: by 2002:a63:7d2:: with SMTP id 201-v6mr9785713pgh.129.1539442503414; Sat, 13 Oct 2018 07:55:03 -0700 (PDT) Received: from localhost.corp.microsoft.com ([2404:f801:9000:18:d9bf:62c6:740b:9fc4]) by smtp.googlemail.com with ESMTPSA id v81-v6sm8688724pfj.25.2018.10.13.07.54.59 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 13 Oct 2018 07:55:02 -0700 (PDT) From: lantianyu1986@gmail.com X-Google-Original-From: Tianyu.Lan@microsoft.com Cc: Lan Tianyu , kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com, devel@linuxdriverproject.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, michael.h.kelley@microsoft.com, vkuznets@redhat.com Subject: [PATCH V4 6/15] KVM/MMU: Flush tlb directly in the kvm_set_pte_rmapp() Date: Sat, 13 Oct 2018 22:53:57 +0800 Message-Id: <20181013145406.4911-7-Tianyu.Lan@microsoft.com> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20181013145406.4911-1-Tianyu.Lan@microsoft.com> References: <20181013145406.4911-1-Tianyu.Lan@microsoft.com> To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lan Tianyu This patch is to flush tlb directly in the kvm_set_pte_rmapp() and return 0. Signed-off-by: Lan Tianyu --- arch/x86/kvm/mmu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 5d3a180c57e2..f3742ff4ec18 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1781,6 +1781,11 @@ static int kvm_set_pte_rmapp(struct kvm *kvm, struct kvm_rmap_head *rmap_head, } } + if (need_flush && kvm_available_flush_tlb_with_range()) { + kvm_flush_remote_tlbs_with_address(kvm, gfn, 1); + return 0; + } + return need_flush; } -- 2.14.4