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bh=yiyADj8185+lR6YtIPxI/9OlNcR1QogQW5VAb4fNZlE=; b=h9XErKAiTWAPU9Dl65MurSQK9HpZ9C4CyVyE4LgHeuaZDTig2aUVz60rYfhGew7MVv k4jpmReyFD5brFMBDuzLrw4xOp6rGztfabKC5vxXnET8vXdKL/7jOLQgDiynjtlGebyS YbXojHlNvD63AHIrm8dHdorq5TZ8WVi4yQMsJcQ/9TjF/OHZ+lejT3jQivMO4YZBUO8R fwqiVoiVdqm3IMp1Q1P9AaECAcFpQk0YjfdiGx1ca7g61JPLXn5jz0GEfSkH+ToVgQ1f PL2Br67HuTAAqAuSAcnG1Xg17iybiP+EHy/IazSG0gI0kr3suaxs2hYsrkBrH6KymsOT AYEA== X-Gm-Message-State: AGRZ1gKr6aEHrKYlguOjsDblm+V2jN7+bltCi1R4INADPyGB4nO2XTb/ EODs0H8OUnSoFheQDYeqEwg= X-Google-Smtp-Source: AJdET5feGS/RXRvm4uJ38TQRmWSiiTRsWmdCxatvMEDX3Rva1bkcCH0h71uVKtGhhB9g0GT/xwrfeg== X-Received: by 2002:a63:5e43:: with SMTP id s64mr4024148pgb.101.1541688411056; Thu, 08 Nov 2018 06:46:51 -0800 (PST) Received: from localhost.corp.microsoft.com ([2404:f801:9000:18:d9bf:62c6:740b:9fc4]) by smtp.googlemail.com with ESMTPSA id k75-v6sm11526731pfb.119.2018.11.08.06.46.43 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 08 Nov 2018 06:46:50 -0800 (PST) From: lantianyu1986@gmail.com X-Google-Original-From: Tianyu.Lan@microsoft.com To: Subject: [Resend PATCH V5 1/10] KVM: Add tlb_remote_flush_with_range callback in kvm_x86_ops Date: Thu, 8 Nov 2018 22:46:30 +0800 Message-Id: <20181108144639.11206-1-Tianyu.Lan@microsoft.com> X-Mailer: git-send-email 2.14.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181108_064701_520521_50A8B2C3 X-CRM114-Status: GOOD ( 10.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mips@linux-mips.org, kvm@vger.kernel.org, rkrcmar@redhat.com, catalin.marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, paulus@ozlabs.org, hpa@zytor.com, kys@microsoft.com, kvmarm@lists.cs.columbia.edu, sthemmin@microsoft.com, mpe@ellerman.id.au, x86@kernel.org, linux@armlinux.org.uk, michael.h.kelley@microsoft.com, mingo@redhat.com, benh@kernel.crashing.org, jhogan@kernel.org, Lan Tianyu , marc.zyngier@arm.com, haiyangz@microsoft.com, kvm-ppc@vger.kernel.org, bp@alien8.de, devel@linuxdriverproject.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, christoffer.dall@arm.com, ralf@linux-mips.org, paul.burton@mips.com, pbonzini@redhat.com, vkuznets@redhat.com, linuxppc-dev@lists.ozlabs.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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 | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 55e51ff7e421..c8a65f0a7107 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -439,6 +439,11 @@ struct kvm_mmu { u64 pdptrs[4]; /* pae */ }; +struct kvm_tlb_range { + u64 start_gfn; + u64 pages; +}; + enum pmc_type { KVM_PMC_GP = 0, KVM_PMC_FIXED, @@ -1042,6 +1047,8 @@ 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.