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From: Paolo Bonzini <pbonzini@redhat.com>
To: Chenyi Qiang <chenyi.qiang@intel.com>,
	Sean Christopherson <seanjc@google.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
	Xiaoyao Li <xiaoyao.li@intel.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/5] KVM: X86: Expose PKS to guest
Date: Fri, 5 Feb 2021 10:23:44 +0100	[thread overview]
Message-ID: <89c82d11-8206-1ad9-9dfd-666d34685109@redhat.com> (raw)
In-Reply-To: <20210205083706.14146-3-chenyi.qiang@intel.com>

On 05/02/21 09:37, Chenyi Qiang wrote:

> +	/*
> +	 * PKS is not yet implemented for shadow paging.
> +	 * If not support VM_{ENTRY, EXIT}_LOAD_IA32_PKRS,
> +	 * don't expose the PKS as well.
> +	 */
> +	if (enable_ept && cpu_has_load_ia32_pkrs())
> +		kvm_cpu_cap_check_and_set(X86_FEATURE_PKS);

This piece should be a separate patch, added after patch 4.

Paolo


  reply	other threads:[~2021-02-05  9:28 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-05  8:37 [PATCH v4 0/5] KVM: PKS Virtualization support Chenyi Qiang
2021-02-05  8:37 ` [PATCH v4 1/5] KVM: VMX: Introduce PKS VMCS fields Chenyi Qiang
2021-02-05  8:37 ` [PATCH v4 2/5] KVM: X86: Expose PKS to guest Chenyi Qiang
2021-02-05  9:23   ` Paolo Bonzini [this message]
2021-02-05  9:25   ` Paolo Bonzini
2021-02-05  9:56     ` Borislav Petkov
2021-02-05 10:10       ` Paolo Bonzini
2021-02-05 11:29         ` Thomas Gleixner
2021-02-05 11:51           ` Paolo Bonzini
2021-07-29 16:44   ` Sean Christopherson
2021-08-03  8:50     ` Chenyi Qiang
2021-02-05  8:37 ` [PATCH v4 3/5] KVM: MMU: Rename the pkru to pkr Chenyi Qiang
2021-02-05  8:37 ` [PATCH v4 4/5] KVM: MMU: Add support for PKS emulation Chenyi Qiang
2021-02-05  9:20   ` Paolo Bonzini
2021-07-29 17:25   ` Sean Christopherson
2021-07-29 17:45     ` Paolo Bonzini
2021-08-03  8:52       ` Chenyi Qiang
2021-02-05  8:37 ` [PATCH v4 5/5] KVM: VMX: Enable PKS for nested VM Chenyi Qiang
2021-02-05  9:24 ` [PATCH v4 0/5] KVM: PKS Virtualization support Paolo Bonzini

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