From nobody Thu Nov 28 14:44:17 2024 Received: from mail.zytor.com (terminus.zytor.com [198.137.202.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7F20974E09; Tue, 1 Oct 2024 05:02:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.136 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727758937; cv=none; b=lfZUZynoYnAToQsUeKXrILm7VT83e1gRXuevpoGwd8lsHKlON4KkdzpsC0IXcKb09kfG6cIwJ8Oxf9xhfzAOGbaUuuuVYpkU72aij7BviTrjcBQzvvaKGUzilaeqQg8yiMy7JTaq0575QfdmJGO4uk/nSTCI2cRCYnLzqD+1kno= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727758937; c=relaxed/simple; bh=OC9q8/0WaJQ1ajKPZH3KXjpXhUhvJLWl9lJoncDMjjQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=boHyS62LR+ayc8KVq8aI1rvPUX4BenZrYpUyXQpk+nSwqpX+jUUWKzutGSASUPUcKI/ryiI+CdeGuluPZ5pZv766m40gDcBhduaR6w8e3+t1zq6QPDCnYRg6RF83/ce7wrgqc9tcA+sVnuF0HOPNjYSQ6LmLqimjBXAbdZDPFJU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zytor.com; spf=pass smtp.mailfrom=zytor.com; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b=A6fSaZ5J; arc=none smtp.client-ip=198.137.202.136 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zytor.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zytor.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="A6fSaZ5J" Received: from terminus.zytor.com (terminus.zytor.com [IPv6:2607:7c80:54:3:0:0:0:136]) (authenticated bits=0) by mail.zytor.com (8.18.1/8.17.1) with ESMTPSA id 49151A7q3643828 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Mon, 30 Sep 2024 22:01:42 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.zytor.com 49151A7q3643828 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2024091601; t=1727758903; bh=aB86Wj6xLWMx6vbkl7mBHvGR5iFDZ82fM7jlvBlgm1s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=A6fSaZ5JysraQ0FAZ0EH7VyJxJspiHugaIbKVEgtwGMhqrWErsRtN/0+mveyoMUG/ DchoyhVYetJrgWNHiqrbwMuvVd81uFbdKK+LCtXqWFhBzX9Lqr69rLvGtQSG5fuErs 0G6/HSCI2eUiM32w0cURjShEw/D8Zieiq/TGSQVOG8YrAas5XaM/ALgPMU4QqwIVkW 5wDTx6v3CEjQwkkat+aVD2GSKGQgiX3EAfwpGKDn6SadTDkdvMjGglg9oc3sqc/PtJ VUKEnuBd0+1BBzfvu4z7UmsnuBSLu+Z0W4tAzhpPha/G4EYm0PEWUowb7HgyGYMxEo c1P0QEXnCcK5g== From: "Xin Li (Intel)" To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Cc: seanjc@google.com, pbonzini@redhat.com, corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, luto@kernel.org, peterz@infradead.org, andrew.cooper3@citrix.com, xin@zytor.com Subject: [PATCH v3 27/27] KVM: nVMX: Allow VMX FRED controls Date: Mon, 30 Sep 2024 22:01:10 -0700 Message-ID: <20241001050110.3643764-28-xin@zytor.com> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241001050110.3643764-1-xin@zytor.com> References: <20241001050110.3643764-1-xin@zytor.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Xin Li Allow nVMX FRED controls as nested FRED support is in place. Signed-off-by: Xin Li Signed-off-by: Xin Li (Intel) Tested-by: Shan Kang --- arch/x86/kvm/vmx/nested.c | 6 ++++-- arch/x86/kvm/vmx/vmx.c | 1 + 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 1fbdeea32c98..b1b4483afcda 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -7159,7 +7159,8 @@ static void nested_vmx_setup_exit_ctls(struct vmcs_co= nfig *vmcs_conf, * advertise any feature in it to nVMX until its nVMX support * is ready. */ - msrs->secondary_exit_ctls &=3D 0; + msrs->secondary_exit_ctls &=3D SECONDARY_VM_EXIT_SAVE_IA32_FRED | + SECONDARY_VM_EXIT_LOAD_IA32_FRED; } } =20 @@ -7174,7 +7175,8 @@ static void nested_vmx_setup_entry_ctls(struct vmcs_c= onfig *vmcs_conf, #ifdef CONFIG_X86_64 VM_ENTRY_IA32E_MODE | #endif - VM_ENTRY_LOAD_IA32_PAT | VM_ENTRY_LOAD_BNDCFGS; + VM_ENTRY_LOAD_IA32_PAT | VM_ENTRY_LOAD_BNDCFGS | + VM_ENTRY_LOAD_IA32_FRED; msrs->entry_ctls_high |=3D (VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | VM_ENTRY_LOAD_IA32_EFER | VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL); diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 522ee27a4655..ba6a7c6b6727 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -7923,6 +7923,7 @@ static void nested_vmx_cr_fixed1_bits_update(struct k= vm_vcpu *vcpu) =20 entry =3D kvm_find_cpuid_entry_index(vcpu, 0x7, 1); cr4_fixed1_update(X86_CR4_LAM_SUP, eax, feature_bit(LAM)); + cr4_fixed1_update(X86_CR4_FRED, eax, feature_bit(FRED)); =20 #undef cr4_fixed1_update } --=20 2.46.2