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 mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A291C433F5 for ; Thu, 19 May 2022 13:47:41 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id C457B4B4A8; Thu, 19 May 2022 09:47:40 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@kernel.org Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 23wZgMH-0IWC; Thu, 19 May 2022 09:47:39 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id BAF314B4B1; Thu, 19 May 2022 09:47:39 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 6CDAE4B481 for ; Thu, 19 May 2022 09:47:38 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1oGmKghcJMi4 for ; Thu, 19 May 2022 09:47:37 -0400 (EDT) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id AAEBD4B49A for ; Thu, 19 May 2022 09:47:35 -0400 (EDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 31A1261783; Thu, 19 May 2022 13:47:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2334EC36AE5; Thu, 19 May 2022 13:47:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652968054; bh=t93B8PWJDF7lEwK9KmqgiZYIgy52JGGxHtbXIsyZ+Wg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HSDNyz/VQ0/O6xi3wUTBj30BhzIcZP1MSjDDkcNH37MY7QrQNhnWcIQr6OHgnb37g vLCp9oZ1xV5egSYUgvxn5ex/4485OzpTjHRZTs/IG2JG01IbUMrqKjjJ9zmvhhrxws QKPxZzZoDqliXtjs22S36M4KoJA+0jI+Uumh/+5nKNdVYBBXO+xcy5kF7Fof4y//2f oJcWbVrBP9RQha6uZhDlLrXQVGj4kbQPiGvO5dZq6LU2+WYd/qKdiTpWSQIK1s5GRW jVqcKsEKvEk4T3m1Pq03Suyrb951kfWX+i4zSm/xwcN9f4fh7GVqS0nOaOkZBWRpKa nlFVK49GvvZlw== From: Will Deacon To: kvmarm@lists.cs.columbia.edu Subject: [PATCH 78/89] KVM: arm64: Don't expose TLBI hypercalls after de-privilege Date: Thu, 19 May 2022 14:41:53 +0100 Message-Id: <20220519134204.5379-79-will@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220519134204.5379-1-will@kernel.org> References: <20220519134204.5379-1-will@kernel.org> MIME-Version: 1.0 Cc: Marc Zyngier , kernel-team@android.com, kvm@vger.kernel.org, Andy Lutomirski , linux-arm-kernel@lists.infradead.org, Michael Roth , Catalin Marinas , Chao Peng , Will Deacon X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Now that TLBI invalidation is handled entirely at EL2 for both protected and non-protected guests when protected KVM has initialised, unplug the unused TLBI hypercalls. Signed-off-by: Will Deacon --- arch/arm64/include/asm/kvm_asm.h | 8 ++++---- arch/arm64/kvm/hyp/nvhe/hyp-main.c | 8 ++++---- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index 7af0b7695a2c..d020c4cce888 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -59,6 +59,10 @@ enum __kvm_host_smccc_func { __KVM_HOST_SMCCC_FUNC___kvm_enable_ssbs, __KVM_HOST_SMCCC_FUNC___vgic_v3_init_lrs, __KVM_HOST_SMCCC_FUNC___vgic_v3_get_gic_config, + __KVM_HOST_SMCCC_FUNC___kvm_flush_vm_context, + __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_ipa, + __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid, + __KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context, __KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize, /* Hypercalls available after pKVM finalisation */ @@ -68,10 +72,6 @@ enum __kvm_host_smccc_func { __KVM_HOST_SMCCC_FUNC___pkvm_host_map_guest, __KVM_HOST_SMCCC_FUNC___kvm_adjust_pc, __KVM_HOST_SMCCC_FUNC___kvm_vcpu_run, - __KVM_HOST_SMCCC_FUNC___kvm_flush_vm_context, - __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_ipa, - __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid, - __KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context, __KVM_HOST_SMCCC_FUNC___kvm_timer_set_cntvoff, __KVM_HOST_SMCCC_FUNC___vgic_v3_save_vmcr_aprs, __KVM_HOST_SMCCC_FUNC___vgic_v3_restore_vmcr_aprs, diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c index c4778c7d8c4b..694e0071b13e 100644 --- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c +++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c @@ -1030,6 +1030,10 @@ static const hcall_t host_hcall[] = { HANDLE_FUNC(__kvm_enable_ssbs), HANDLE_FUNC(__vgic_v3_init_lrs), HANDLE_FUNC(__vgic_v3_get_gic_config), + HANDLE_FUNC(__kvm_flush_vm_context), + HANDLE_FUNC(__kvm_tlb_flush_vmid_ipa), + HANDLE_FUNC(__kvm_tlb_flush_vmid), + HANDLE_FUNC(__kvm_flush_cpu_context), HANDLE_FUNC(__pkvm_prot_finalize), HANDLE_FUNC(__pkvm_host_share_hyp), @@ -1038,10 +1042,6 @@ static const hcall_t host_hcall[] = { HANDLE_FUNC(__pkvm_host_map_guest), HANDLE_FUNC(__kvm_adjust_pc), HANDLE_FUNC(__kvm_vcpu_run), - HANDLE_FUNC(__kvm_flush_vm_context), - HANDLE_FUNC(__kvm_tlb_flush_vmid_ipa), - HANDLE_FUNC(__kvm_tlb_flush_vmid), - HANDLE_FUNC(__kvm_flush_cpu_context), HANDLE_FUNC(__kvm_timer_set_cntvoff), HANDLE_FUNC(__vgic_v3_save_vmcr_aprs), HANDLE_FUNC(__vgic_v3_restore_vmcr_aprs), -- 2.36.1.124.g0e6072fb45-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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 79D80C433F5 for ; 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c=relaxed/simple; d=kernel.org; s=k20201202; t=1652968054; bh=t93B8PWJDF7lEwK9KmqgiZYIgy52JGGxHtbXIsyZ+Wg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HSDNyz/VQ0/O6xi3wUTBj30BhzIcZP1MSjDDkcNH37MY7QrQNhnWcIQr6OHgnb37g vLCp9oZ1xV5egSYUgvxn5ex/4485OzpTjHRZTs/IG2JG01IbUMrqKjjJ9zmvhhrxws QKPxZzZoDqliXtjs22S36M4KoJA+0jI+Uumh/+5nKNdVYBBXO+xcy5kF7Fof4y//2f oJcWbVrBP9RQha6uZhDlLrXQVGj4kbQPiGvO5dZq6LU2+WYd/qKdiTpWSQIK1s5GRW jVqcKsEKvEk4T3m1Pq03Suyrb951kfWX+i4zSm/xwcN9f4fh7GVqS0nOaOkZBWRpKa nlFVK49GvvZlw== From: Will Deacon To: kvmarm@lists.cs.columbia.edu Cc: Will Deacon , Ard Biesheuvel , Sean Christopherson , Alexandru Elisei , Andy Lutomirski , Catalin Marinas , James Morse , Chao Peng , Quentin Perret , Suzuki K Poulose , Michael Roth , Mark Rutland , Fuad Tabba , Oliver Upton , Marc Zyngier , kernel-team@android.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 78/89] KVM: arm64: Don't expose TLBI hypercalls after de-privilege Date: Thu, 19 May 2022 14:41:53 +0100 Message-Id: <20220519134204.5379-79-will@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220519134204.5379-1-will@kernel.org> References: <20220519134204.5379-1-will@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Now that TLBI invalidation is handled entirely at EL2 for both protected and non-protected guests when protected KVM has initialised, unplug the unused TLBI hypercalls. Signed-off-by: Will Deacon --- arch/arm64/include/asm/kvm_asm.h | 8 ++++---- arch/arm64/kvm/hyp/nvhe/hyp-main.c | 8 ++++---- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index 7af0b7695a2c..d020c4cce888 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -59,6 +59,10 @@ enum __kvm_host_smccc_func { __KVM_HOST_SMCCC_FUNC___kvm_enable_ssbs, __KVM_HOST_SMCCC_FUNC___vgic_v3_init_lrs, __KVM_HOST_SMCCC_FUNC___vgic_v3_get_gic_config, + __KVM_HOST_SMCCC_FUNC___kvm_flush_vm_context, + __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_ipa, + __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid, + __KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context, __KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize, /* Hypercalls available after pKVM finalisation */ @@ -68,10 +72,6 @@ enum __kvm_host_smccc_func { __KVM_HOST_SMCCC_FUNC___pkvm_host_map_guest, __KVM_HOST_SMCCC_FUNC___kvm_adjust_pc, __KVM_HOST_SMCCC_FUNC___kvm_vcpu_run, - __KVM_HOST_SMCCC_FUNC___kvm_flush_vm_context, - __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_ipa, - __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid, - __KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context, __KVM_HOST_SMCCC_FUNC___kvm_timer_set_cntvoff, __KVM_HOST_SMCCC_FUNC___vgic_v3_save_vmcr_aprs, __KVM_HOST_SMCCC_FUNC___vgic_v3_restore_vmcr_aprs, diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c index c4778c7d8c4b..694e0071b13e 100644 --- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c +++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c @@ -1030,6 +1030,10 @@ static const hcall_t host_hcall[] = { HANDLE_FUNC(__kvm_enable_ssbs), HANDLE_FUNC(__vgic_v3_init_lrs), HANDLE_FUNC(__vgic_v3_get_gic_config), + HANDLE_FUNC(__kvm_flush_vm_context), + HANDLE_FUNC(__kvm_tlb_flush_vmid_ipa), + HANDLE_FUNC(__kvm_tlb_flush_vmid), + HANDLE_FUNC(__kvm_flush_cpu_context), HANDLE_FUNC(__pkvm_prot_finalize), HANDLE_FUNC(__pkvm_host_share_hyp), @@ -1038,10 +1042,6 @@ static const hcall_t host_hcall[] = { HANDLE_FUNC(__pkvm_host_map_guest), HANDLE_FUNC(__kvm_adjust_pc), HANDLE_FUNC(__kvm_vcpu_run), - HANDLE_FUNC(__kvm_flush_vm_context), - HANDLE_FUNC(__kvm_tlb_flush_vmid_ipa), - HANDLE_FUNC(__kvm_tlb_flush_vmid), - HANDLE_FUNC(__kvm_flush_cpu_context), HANDLE_FUNC(__kvm_timer_set_cntvoff), HANDLE_FUNC(__vgic_v3_save_vmcr_aprs), HANDLE_FUNC(__vgic_v3_restore_vmcr_aprs), -- 2.36.1.124.g0e6072fb45-goog 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 478D2C433F5 for ; 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Thu, 19 May 2022 14:42:40 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nrgV6-0077OG-2g for linux-arm-kernel@lists.infradead.org; Thu, 19 May 2022 13:47:37 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 31A1261783; Thu, 19 May 2022 13:47:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2334EC36AE5; Thu, 19 May 2022 13:47:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652968054; bh=t93B8PWJDF7lEwK9KmqgiZYIgy52JGGxHtbXIsyZ+Wg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HSDNyz/VQ0/O6xi3wUTBj30BhzIcZP1MSjDDkcNH37MY7QrQNhnWcIQr6OHgnb37g vLCp9oZ1xV5egSYUgvxn5ex/4485OzpTjHRZTs/IG2JG01IbUMrqKjjJ9zmvhhrxws QKPxZzZoDqliXtjs22S36M4KoJA+0jI+Uumh/+5nKNdVYBBXO+xcy5kF7Fof4y//2f oJcWbVrBP9RQha6uZhDlLrXQVGj4kbQPiGvO5dZq6LU2+WYd/qKdiTpWSQIK1s5GRW jVqcKsEKvEk4T3m1Pq03Suyrb951kfWX+i4zSm/xwcN9f4fh7GVqS0nOaOkZBWRpKa nlFVK49GvvZlw== From: Will Deacon To: kvmarm@lists.cs.columbia.edu Cc: Will Deacon , Ard Biesheuvel , Sean Christopherson , Alexandru Elisei , Andy Lutomirski , Catalin Marinas , James Morse , Chao Peng , Quentin Perret , Suzuki K Poulose , Michael Roth , Mark Rutland , Fuad Tabba , Oliver Upton , Marc Zyngier , kernel-team@android.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 78/89] KVM: arm64: Don't expose TLBI hypercalls after de-privilege Date: Thu, 19 May 2022 14:41:53 +0100 Message-Id: <20220519134204.5379-79-will@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220519134204.5379-1-will@kernel.org> References: <20220519134204.5379-1-will@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220519_064736_240230_720A4652 X-CRM114-Status: GOOD ( 12.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now that TLBI invalidation is handled entirely at EL2 for both protected and non-protected guests when protected KVM has initialised, unplug the unused TLBI hypercalls. Signed-off-by: Will Deacon --- arch/arm64/include/asm/kvm_asm.h | 8 ++++---- arch/arm64/kvm/hyp/nvhe/hyp-main.c | 8 ++++---- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index 7af0b7695a2c..d020c4cce888 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -59,6 +59,10 @@ enum __kvm_host_smccc_func { __KVM_HOST_SMCCC_FUNC___kvm_enable_ssbs, __KVM_HOST_SMCCC_FUNC___vgic_v3_init_lrs, __KVM_HOST_SMCCC_FUNC___vgic_v3_get_gic_config, + __KVM_HOST_SMCCC_FUNC___kvm_flush_vm_context, + __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_ipa, + __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid, + __KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context, __KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize, /* Hypercalls available after pKVM finalisation */ @@ -68,10 +72,6 @@ enum __kvm_host_smccc_func { __KVM_HOST_SMCCC_FUNC___pkvm_host_map_guest, __KVM_HOST_SMCCC_FUNC___kvm_adjust_pc, __KVM_HOST_SMCCC_FUNC___kvm_vcpu_run, - __KVM_HOST_SMCCC_FUNC___kvm_flush_vm_context, - __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_ipa, - __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid, - __KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context, __KVM_HOST_SMCCC_FUNC___kvm_timer_set_cntvoff, __KVM_HOST_SMCCC_FUNC___vgic_v3_save_vmcr_aprs, __KVM_HOST_SMCCC_FUNC___vgic_v3_restore_vmcr_aprs, diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c index c4778c7d8c4b..694e0071b13e 100644 --- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c +++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c @@ -1030,6 +1030,10 @@ static const hcall_t host_hcall[] = { HANDLE_FUNC(__kvm_enable_ssbs), HANDLE_FUNC(__vgic_v3_init_lrs), HANDLE_FUNC(__vgic_v3_get_gic_config), + HANDLE_FUNC(__kvm_flush_vm_context), + HANDLE_FUNC(__kvm_tlb_flush_vmid_ipa), + HANDLE_FUNC(__kvm_tlb_flush_vmid), + HANDLE_FUNC(__kvm_flush_cpu_context), HANDLE_FUNC(__pkvm_prot_finalize), HANDLE_FUNC(__pkvm_host_share_hyp), @@ -1038,10 +1042,6 @@ static const hcall_t host_hcall[] = { HANDLE_FUNC(__pkvm_host_map_guest), HANDLE_FUNC(__kvm_adjust_pc), HANDLE_FUNC(__kvm_vcpu_run), - HANDLE_FUNC(__kvm_flush_vm_context), - HANDLE_FUNC(__kvm_tlb_flush_vmid_ipa), - HANDLE_FUNC(__kvm_tlb_flush_vmid), - HANDLE_FUNC(__kvm_flush_cpu_context), HANDLE_FUNC(__kvm_timer_set_cntvoff), HANDLE_FUNC(__vgic_v3_save_vmcr_aprs), HANDLE_FUNC(__vgic_v3_restore_vmcr_aprs), -- 2.36.1.124.g0e6072fb45-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel