From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Tom Lendacky <thomas.lendacky@amd.com>
Cc: Dave Hansen <dave.hansen@intel.com>,
Kai Huang <kai.huang@linux.intel.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [RFC, PATCH 01/22] x86/cpufeatures: Add Intel Total Memory Encryption cpufeature
Date: Mon, 5 Mar 2018 19:25:49 +0300 [thread overview]
Message-ID: <20180305162610.37510-2-kirill.shutemov@linux.intel.com> (raw)
In-Reply-To: <20180305162610.37510-1-kirill.shutemov@linux.intel.com>
CPUID.0x7.0x0:ECX[13] indicates whether CPU supports Intel Total Memory
Encryption.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
---
arch/x86/include/asm/cpufeatures.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index 3508318b5d23..d5f42a303e74 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -317,6 +317,7 @@
#define X86_FEATURE_VPCLMULQDQ (16*32+10) /* Carry-Less Multiplication Double Quadword */
#define X86_FEATURE_AVX512_VNNI (16*32+11) /* Vector Neural Network Instructions */
#define X86_FEATURE_AVX512_BITALG (16*32+12) /* Support for VPOPCNT[B,W] and VPSHUF-BITQMB instructions */
+#define X86_FEATURE_TME (16*32+13) /* Intel Total Memory Encryption */
#define X86_FEATURE_AVX512_VPOPCNTDQ (16*32+14) /* POPCNT for vectors of DW/QW */
#define X86_FEATURE_LA57 (16*32+16) /* 5-level page tables */
#define X86_FEATURE_RDPID (16*32+22) /* RDPID instruction */
--
2.16.1
--
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next prev parent reply other threads:[~2018-03-05 16:26 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-05 16:25 [RFC, PATCH 00/22] Partial MKTME enabling Kirill A. Shutemov
2018-03-05 16:25 ` Kirill A. Shutemov [this message]
2018-03-05 16:25 ` [RFC, PATCH 02/22] x86/tme: Detect if TME and MKTME is activated by BIOS Kirill A. Shutemov
2018-03-05 16:25 ` [RFC, PATCH 03/22] x86/cpufeatures: Add Intel PCONFIG cpufeature Kirill A. Shutemov
2018-03-05 16:25 ` [RFC, PATCH 04/22] x86/pconfig: Detect PCONFIG targets Kirill A. Shutemov
2018-03-05 16:25 ` [RFC, PATCH 05/22] x86/pconfig: Provide defines and helper to run MKTME_KEY_PROG leaf Kirill A. Shutemov
2018-03-05 16:25 ` [RFC, PATCH 06/22] x86/mm: Decouple dynamic __PHYSICAL_MASK from AMD SME Kirill A. Shutemov
2018-03-05 16:25 ` [RFC, PATCH 07/22] x86/mm: Mask out KeyID bits from page table entry pfn Kirill A. Shutemov
2018-03-22 15:55 ` Punit Agrawal
2018-03-05 16:25 ` [RFC, PATCH 08/22] mm: Introduce __GFP_ENCRYPT Kirill A. Shutemov
2018-03-22 16:02 ` Punit Agrawal
2018-03-05 16:25 ` [RFC, PATCH 09/22] mm, rmap: Add arch-specific field into anon_vma Kirill A. Shutemov
2018-03-05 16:25 ` [RFC, PATCH 10/22] mm/shmem: Zero out unused vma fields in shmem_pseudo_vma_init() Kirill A. Shutemov
2018-03-05 16:25 ` [RFC, PATCH 11/22] mm: Use __GFP_ENCRYPT for pages in encrypted VMAs Kirill A. Shutemov
2018-03-05 16:26 ` [RFC, PATCH 12/22] mm: Do no merge vma with different encryption KeyIDs Kirill A. Shutemov
2018-03-05 16:26 ` [RFC, PATCH 13/22] mm, rmap: Free encrypted pages once mapcount drops to zero Kirill A. Shutemov
2018-03-05 19:12 ` Dave Hansen
2018-03-06 8:18 ` Kirill A. Shutemov
2018-03-05 19:13 ` Dave Hansen
2018-03-06 8:27 ` Kirill A. Shutemov
2018-03-06 14:59 ` Dave Hansen
2018-03-06 15:00 ` Kirill A. Shutemov
2018-03-05 16:26 ` [RFC, PATCH 14/22] mm, khugepaged: Do not collapse pages in encrypted VMAs Kirill A. Shutemov
2018-03-05 16:26 ` [RFC, PATCH 15/22] x86/mm: Introduce variables to store number, shift and mask of KeyIDs Kirill A. Shutemov
2018-03-05 16:26 ` [RFC, PATCH 16/22] x86/mm: Preserve KeyID on pte_modify() and pgprot_modify() Kirill A. Shutemov
2018-03-05 19:09 ` Dave Hansen
2018-03-06 8:30 ` Kirill A. Shutemov
2018-03-05 16:26 ` [RFC, PATCH 17/22] x86/mm: Implement vma_is_encrypted() and vma_keyid() Kirill A. Shutemov
2018-03-05 16:26 ` [RFC, PATCH 18/22] x86/mm: Handle allocation of encrypted pages Kirill A. Shutemov
2018-03-05 19:03 ` Dave Hansen
2018-03-06 8:34 ` Kirill A. Shutemov
2018-03-05 19:07 ` Dave Hansen
2018-03-06 8:36 ` Kirill A. Shutemov
2018-03-05 16:26 ` [RFC, PATCH 19/22] x86/mm: Implement free_encrypt_page() Kirill A. Shutemov
2018-03-05 19:00 ` Dave Hansen
2018-03-06 8:38 ` Kirill A. Shutemov
2018-03-05 19:07 ` Dave Hansen
2018-03-06 8:54 ` Kirill A. Shutemov
2018-03-06 13:52 ` Dave Hansen
2018-03-06 14:09 ` Kirill A. Shutemov
2018-03-20 12:50 ` Kirill A. Shutemov
2018-03-27 14:44 ` Kirill A. Shutemov
2018-03-05 16:26 ` [RFC, PATCH 20/22] x86/mm: Implement anon_vma_encrypted() and anon_vma_keyid() Kirill A. Shutemov
2018-03-05 16:26 ` [RFC, PATCH 21/22] x86/mm: Introduce page_keyid() and page_encrypted() Kirill A. Shutemov
2018-03-05 17:08 ` Dave Hansen
2018-03-06 8:57 ` Kirill A. Shutemov
2018-03-06 14:56 ` Dave Hansen
2018-03-06 14:58 ` Kirill A. Shutemov
2018-03-06 15:04 ` Dave Hansen
2018-03-05 16:26 ` [RFC, PATCH 22/22] x86: Introduce CONFIG_X86_INTEL_MKTME Kirill A. Shutemov
2018-03-05 18:30 ` [RFC, PATCH 00/22] Partial MKTME enabling Christoph Hellwig
2018-03-05 19:05 ` Matthew Wilcox
2018-03-06 8:58 ` Kirill A. Shutemov
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