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 94233C71122 for ; Sat, 13 Oct 2018 14:54:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5B9312098A for ; Sat, 13 Oct 2018 14:54:33 +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="rp6f8txF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5B9312098A 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 S1726712AbeJMWb4 (ORCPT ); Sat, 13 Oct 2018 18:31:56 -0400 Received: from mail-pl1-f194.google.com ([209.85.214.194]:33766 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726292AbeJMWb4 (ORCPT ); Sat, 13 Oct 2018 18:31:56 -0400 Received: by mail-pl1-f194.google.com with SMTP id s4-v6so7282285plp.0; Sat, 13 Oct 2018 07:54:30 -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=px0gV+gBnpOH60iOcTCGqmbUjehg++DRdbAxzx/hWFA=; b=rp6f8txFq2Z++vvFYXV5hUS6IcLak/IyxBJWHXWM8AkS6KURSFVAfxx/YE97efIsUU E4e/KL8csquVEaxBw0R1BoISOtQsd75AZA16eXP5lGPyMZZxTDY94QRtVOd9z8gB+BGz EyyW4yykMzbdZnZ0H78W4ERR3OJ+/BR8mDkbAw89wA4dlzgDzcDqopu7pUYAGrfWcCvd nwDcS3oU1IPTjODCkh8Q1L6F4qsiz8g5B8mROcu6prFhM2YZP6/b8phF8BgMKTw+LKgf 2oxwPYzgHQER/la4dzJ2wKp21z2Nx7HtMZdVuZl42f8NzQV9qo+aq6M+MgYi1fijdt/y cMhQ== 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=px0gV+gBnpOH60iOcTCGqmbUjehg++DRdbAxzx/hWFA=; b=O/g3gN6ia0G3bqyEF7TPwe+QsyQI20flalKRbmj6WkNZdluq8vQJ/vn/cz+s9oosbL PvQRgvkvBBvD+g967k/4zJhcG+jLRBaHOKXTGK6Nrn3iErqGkBQmZi9KUme9OM/He5lf QfZeaoXXcG2LXb7GTU6Xkk4OD1WYANmeha62aJT27VYr/X1L76NbBaEXkfXYDb8RLQ8T Hqbep/gyJVk4nFetmc/P0ghyMOT4moLnVxS6q0cKBcPmA/Cyz6nVApHiVIaAcICym/tv LLJkEO1u/J/nhMQ/HAadC4HZk6c5IjVmO+PzPvbxsap2Qo1YXYEMWnFLyZoP6UKw8WC+ tMGw== X-Gm-Message-State: ABuFfoiAPbZty6KCbXzypDTB1bZvc3QBNYWf9URSGJ497gRFJkm1UZZL Zkje3dB36fGAJaH+kOMgmETMdsEkRFg= X-Google-Smtp-Source: ACcGV62HWs3gWO94ingYjrTNOd2X4hqsmsPW7d3NRYDQAgfnfqDU4fT7925KW4ssd+32230A+ZzFJA== X-Received: by 2002:a17:902:2825:: with SMTP id e34-v6mr1226708plb.244.1539442470478; Sat, 13 Oct 2018 07:54:30 -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.25.2018.10.13.07.54.22 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 13 Oct 2018 07:54:29 -0700 (PDT) From: lantianyu1986@gmail.com X-Google-Original-From: Tianyu.Lan@microsoft.com Cc: Lan Tianyu , christoffer.dall@arm.com, marc.zyngier@arm.com, linux@armlinux.org, catalin.marinas@arm.com, will.deacon@arm.com, jhogan@kernel.org, ralf@linux-mips.org, paul.burton@mips.com, paulus@ozlabs.org, benh@kernel.crashing.org, mpe@ellerman.id.au, 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, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org, kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devel@linuxdriverproject.org, kvm@vger.kernel.org, michael.h.kelley@microsoft.com, vkuznets@redhat.com Subject: [PATCH V4 1/15] KVM: Add tlb_remote_flush_with_range callback in kvm_x86_ops Date: Sat, 13 Oct 2018 22:53:52 +0800 Message-Id: <20181013145406.4911-2-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 Add flush range call back in the kvm_x86_ops and platform can use it to register its associated function. The parameter "kvm_tlb_range" accepts a single range and flush list which contains a list of ranges. Signed-off-by: Lan Tianyu --- Change since v1: Change "end_gfn" to "pages" to aviod confusion as to whether "end_gfn" is inclusive or exlusive. --- arch/x86/include/asm/kvm_host.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 4b09d4aa9bf4..fea95aa77319 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -439,6 +439,12 @@ struct kvm_mmu { u64 pdptrs[4]; /* pae */ }; +struct kvm_tlb_range { + u64 start_gfn; + u64 pages; + struct list_head *flush_list; +}; + enum pmc_type { KVM_PMC_GP = 0, KVM_PMC_FIXED, @@ -1039,6 +1045,8 @@ struct kvm_x86_ops { void (*tlb_flush)(struct kvm_vcpu *vcpu, bool invalidate_gpa); int (*tlb_remote_flush)(struct kvm *kvm); + int (*tlb_remote_flush_with_range)(struct kvm *kvm, + struct kvm_tlb_range *range); /* * Flush any TLB entries associated with the given GVA. -- 2.14.4