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From: Kuppuswamy Sathyanarayanan  <sathyanarayanan.kuppuswamy@linux.intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Peter Zijlstra <peterz@infradead.org>,
	Andy Lutomirski <luto@kernel.org>
Cc: Peter H Anvin <hpa@zytor.com>,
	Dave Hansen <dave.hansen@intel.com>,
	Tony Luck <tony.luck@intel.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Andi Kleen <ak@linux.intel.com>,
	Kirill Shutemov <kirill.shutemov@linux.intel.com>,
	Kuppuswamy Sathyanarayanan <knsathya@kernel.org>,
	Sean Christopherson <seanjc@google.com>,
	Kuppuswamy Sathyanarayanan 
	<sathyanarayanan.kuppuswamy@linux.intel.com>,
	linux-kernel@vger.kernel.org, x86@kernel.org
Subject: [PATCH v1 02/11] x86/tdx: Introduce INTEL_TDX_GUEST config option
Date: Tue,  1 Jun 2021 19:21:27 -0700	[thread overview]
Message-ID: <20210602022136.2186759-3-sathyanarayanan.kuppuswamy@linux.intel.com> (raw)
In-Reply-To: <20210602022136.2186759-1-sathyanarayanan.kuppuswamy@linux.intel.com>

Add INTEL_TDX_GUEST config option to selectively compile
TDX guest support.

Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
---
 arch/x86/Kconfig | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0045e1b44190..ff79263aebd1 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -876,6 +876,21 @@ config ACRN_GUEST
 	  IOT with small footprint and real-time features. More details can be
 	  found in https://projectacrn.org/.
 
+config INTEL_TDX_GUEST
+	bool "Intel Trusted Domain eXtensions Guest Support"
+	depends on X86_64 && CPU_SUP_INTEL && PARAVIRT
+	depends on SECURITY
+	select PARAVIRT_XL
+	select X86_X2APIC
+	select SECURITY_LOCKDOWN_LSM
+	help
+	  Provide support for running in a trusted domain on Intel processors
+	  equipped with Trusted Domain eXtenstions. TDX is a new Intel
+	  technology that extends VMX and Memory Encryption with a new kind of
+	  virtual machine guest called Trust Domain (TD). A TD is designed to
+	  run in a CPU mode that protects the confidentiality of TD memory
+	  contents and the TD’s CPU state from other software, including VMM.
+
 endif #HYPERVISOR_GUEST
 
 source "arch/x86/Kconfig.cpu"
-- 
2.25.1


  parent reply	other threads:[~2021-06-02  2:21 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-02  2:21 [PATCH v1 00/11] Add TDX Guest Support (Initial support) Kuppuswamy Sathyanarayanan
2021-06-02  2:21 ` [PATCH v1 01/11] x86/paravirt: Move halt paravirt calls under CONFIG_PARAVIRT Kuppuswamy Sathyanarayanan
2021-06-02  2:21 ` Kuppuswamy Sathyanarayanan [this message]
2021-06-02  2:21 ` [PATCH v1 03/11] x86/cpufeatures: Add TDX Guest CPU feature Kuppuswamy Sathyanarayanan
2021-06-07 14:32   ` Tom Lendacky
2021-06-07 16:59     ` Kuppuswamy, Sathyanarayanan
2021-06-10 12:28   ` Borislav Petkov
2021-06-10 14:28     ` Kuppuswamy, Sathyanarayanan
2021-06-10 14:29     ` Kirill A. Shutemov
2021-06-10 14:35       ` Borislav Petkov
2021-06-10 14:41         ` Kirill A. Shutemov
2021-06-10 15:56           ` Borislav Petkov
2021-06-12 21:02             ` [PATCH v2 03/12] " Kuppuswamy Sathyanarayanan
2021-06-16  9:52               ` Borislav Petkov
2021-06-16 16:57                 ` Kuppuswamy, Sathyanarayanan
2021-06-02  2:21 ` [PATCH v1 04/11] x86/x86: Add is_tdx_guest() interface Kuppuswamy Sathyanarayanan
2021-06-10 19:59   ` Borislav Petkov
2021-06-10 21:01     ` Kuppuswamy, Sathyanarayanan
2021-06-10 21:07       ` Borislav Petkov
2021-06-12 21:04         ` [PATCH v2 04/12] x86/x86: Add early_is_tdx_guest() interface Kuppuswamy Sathyanarayanan
2021-06-17 17:05           ` Borislav Petkov
2021-06-18 19:14             ` Kuppuswamy, Sathyanarayanan
2021-06-02  2:21 ` [PATCH v1 05/11] x86/tdx: Add __tdx_module_call() and __tdx_hypercall() helper functions Kuppuswamy Sathyanarayanan
2021-06-14  8:47   ` Borislav Petkov
2021-06-14 19:45     ` Kuppuswamy, Sathyanarayanan
2021-06-14 20:11       ` Borislav Petkov
2021-06-14 21:37         ` Kuppuswamy, Sathyanarayanan
2021-06-02  2:21 ` [PATCH v1 06/11] x86/tdx: Get TD execution environment information via TDINFO Kuppuswamy Sathyanarayanan
2021-06-02  2:21 ` [PATCH v1 07/11] x86/traps: Add #VE support for TDX guest Kuppuswamy Sathyanarayanan
2021-06-02  2:21 ` [PATCH v1 08/11] x86/tdx: Add HLT " Kuppuswamy Sathyanarayanan
2021-06-02  2:21 ` [PATCH v1 09/11] x86/tdx: Wire up KVM hypercalls Kuppuswamy Sathyanarayanan
2021-06-12 21:08   ` [PATCH v2 10/12] " Kuppuswamy Sathyanarayanan
2021-06-02  2:21 ` [PATCH v1 10/11] x86/tdx: Add MSR support for TDX guest Kuppuswamy Sathyanarayanan
2021-06-02  2:21 ` [PATCH v1 11/11] x86/tdx: Handle CPUID via #VE Kuppuswamy Sathyanarayanan
  -- strict thread matches above, loose matches on Subject: below --
2021-06-02  2:18 [PATCH v1 00/11] Add TDX Guest Support (Initial support) Kuppuswamy Sathyanarayanan
2021-06-02  2:18 ` [PATCH v1 02/11] x86/tdx: Introduce INTEL_TDX_GUEST config option Kuppuswamy Sathyanarayanan

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