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
next prev parent 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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