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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id c6sm7151945ede.17.2021.07.06.07.41.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Jul 2021 07:41:51 -0700 (PDT) Subject: Re: [RFC PATCH v2 53/69] KVM: VMX: Define EPT Violation architectural bits To: isaku.yamahata@intel.com, Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , erdemaktas@google.com, Connor Kuehl , Sean Christopherson , x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: isaku.yamahata@gmail.com, Sean Christopherson References: From: Paolo Bonzini Message-ID: Date: Tue, 6 Jul 2021 16:41:50 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/07/21 00:04, isaku.yamahata@intel.com wrote: > From: Sean Christopherson > > Define the EPT Violation #VE control bit, #VE info VMCS fields, and the > suppress #VE bit for EPT entries. Better: "KVM: VMX: Define EPT Violation #VE architectural bits". Paolo > Signed-off-by: Sean Christopherson > Signed-off-by: Isaku Yamahata > --- > arch/x86/include/asm/vmx.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h > index 035dfdafa2c1..132981276a2f 100644 > --- a/arch/x86/include/asm/vmx.h > +++ b/arch/x86/include/asm/vmx.h > @@ -78,6 +78,7 @@ struct vmcs { > #define SECONDARY_EXEC_ENCLS_EXITING VMCS_CONTROL_BIT(ENCLS_EXITING) > #define SECONDARY_EXEC_RDSEED_EXITING VMCS_CONTROL_BIT(RDSEED_EXITING) > #define SECONDARY_EXEC_ENABLE_PML VMCS_CONTROL_BIT(PAGE_MOD_LOGGING) > +#define SECONDARY_EXEC_EPT_VIOLATION_VE VMCS_CONTROL_BIT(EPT_VIOLATION_VE) > #define SECONDARY_EXEC_PT_CONCEAL_VMX VMCS_CONTROL_BIT(PT_CONCEAL_VMX) > #define SECONDARY_EXEC_XSAVES VMCS_CONTROL_BIT(XSAVES) > #define SECONDARY_EXEC_MODE_BASED_EPT_EXEC VMCS_CONTROL_BIT(MODE_BASED_EPT_EXEC) > @@ -226,6 +227,8 @@ enum vmcs_field { > VMREAD_BITMAP_HIGH = 0x00002027, > VMWRITE_BITMAP = 0x00002028, > VMWRITE_BITMAP_HIGH = 0x00002029, > + VE_INFO_ADDRESS = 0x0000202A, > + VE_INFO_ADDRESS_HIGH = 0x0000202B, > XSS_EXIT_BITMAP = 0x0000202C, > XSS_EXIT_BITMAP_HIGH = 0x0000202D, > ENCLS_EXITING_BITMAP = 0x0000202E, > @@ -509,6 +512,7 @@ enum vmcs_field { > #define VMX_EPT_IPAT_BIT (1ull << 6) > #define VMX_EPT_ACCESS_BIT (1ull << 8) > #define VMX_EPT_DIRTY_BIT (1ull << 9) > +#define VMX_EPT_SUPPRESS_VE_BIT (1ull << 63) > #define VMX_EPT_RWX_MASK (VMX_EPT_READABLE_MASK | \ > VMX_EPT_WRITABLE_MASK | \ > VMX_EPT_EXECUTABLE_MASK) >