From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> To: Andrew Morton <akpm@linux-foundation.org>, x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Borislav Petkov <bp@alien8.de>, Peter Zijlstra <peterz@infradead.org>, Andy Lutomirski <luto@amacapital.net>, David Howells <dhowells@redhat.com> Cc: Kees Cook <keescook@chromium.org>, Dave Hansen <dave.hansen@intel.com>, Kai Huang <kai.huang@linux.intel.com>, Jacob Pan <jacob.jun.pan@linux.intel.com>, Alison Schofield <alison.schofield@intel.com>, linux-mm@kvack.org, kvm@vger.kernel.org, keyrings@vger.kernel.org, linux-kernel@vger.kernel.org, "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com> Subject: [PATCH, RFC 52/62] x86/mm: introduce common code for mem encryption Date: Wed, 08 May 2019 14:44:12 +0000 [thread overview] Message-ID: <20190508144422.13171-53-kirill.shutemov@linux.intel.com> (raw) In-Reply-To: <20190508144422.13171-1-kirill.shutemov@linux.intel.com> From: Jacob Pan <jacob.jun.pan@linux.intel.com> Both Intel MKTME and AMD SME have needs to support DMA address translation with encryption related bits. Common functions are introduced in this patch to keep DMA generic code abstracted. Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> --- arch/x86/Kconfig | 4 ++++ arch/x86/mm/Makefile | 1 + arch/x86/mm/mem_encrypt_common.c | 28 ++++++++++++++++++++++++++++ 3 files changed, 33 insertions(+) create mode 100644 arch/x86/mm/mem_encrypt_common.c diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 62cfb381fee3..ce9642e2c31b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1505,11 +1505,15 @@ config X86_CPA_STATISTICS config ARCH_HAS_MEM_ENCRYPT def_bool y +config X86_MEM_ENCRYPT_COMMON + def_bool n + config AMD_MEM_ENCRYPT bool "AMD Secure Memory Encryption (SME) support" depends on X86_64 && CPU_SUP_AMD select DYNAMIC_PHYSICAL_MASK select ARCH_USE_MEMREMAP_PROT + select X86_MEM_ENCRYPT_COMMON ---help--- Say yes to enable support for the encryption of system memory. This requires an AMD processor that supports Secure Memory diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile index 4ebee899c363..89dddbc01b1b 100644 --- a/arch/x86/mm/Makefile +++ b/arch/x86/mm/Makefile @@ -55,3 +55,4 @@ obj-$(CONFIG_AMD_MEM_ENCRYPT) += mem_encrypt_identity.o obj-$(CONFIG_AMD_MEM_ENCRYPT) += mem_encrypt_boot.o obj-$(CONFIG_X86_INTEL_MKTME) += mktme.o +obj-$(CONFIG_X86_MEM_ENCRYPT_COMMON) += mem_encrypt_common.o diff --git a/arch/x86/mm/mem_encrypt_common.c b/arch/x86/mm/mem_encrypt_common.c new file mode 100644 index 000000000000..2adee65eec46 --- /dev/null +++ b/arch/x86/mm/mem_encrypt_common.c @@ -0,0 +1,28 @@ +#include <linux/mm.h> +#include <linux/mem_encrypt.h> +#include <asm/mktme.h> + +/* + * Encryption bits need to be set and cleared for both Intel MKTME and + * AMD SME when converting between DMA address and physical address. + */ +dma_addr_t __mem_encrypt_dma_set(dma_addr_t daddr, phys_addr_t paddr) +{ + unsigned long keyid; + + if (sme_active()) + return __sme_set(daddr); + keyid = page_keyid(pfn_to_page(__phys_to_pfn(paddr))); + + return (daddr & ~mktme_keyid_mask) | (keyid << mktme_keyid_shift); +} +EXPORT_SYMBOL_GPL(__mem_encrypt_dma_set); + +phys_addr_t __mem_encrypt_dma_clear(phys_addr_t paddr) +{ + if (sme_active()) + return __sme_clr(paddr); + + return paddr & ~mktme_keyid_mask; +} +EXPORT_SYMBOL_GPL(__mem_encrypt_dma_clear); -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> To: Andrew Morton <akpm@linux-foundation.org>, x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Borislav Petkov <bp@alien8.de>, Peter Zijlstra <peterz@infradead.org>, Andy Lutomirski <luto@amacapital.net>, David Howells <dhowells@redhat.com> Cc: Kees Cook <keescook@chromium.org>, Dave Hansen <dave.hansen@intel.com>, Kai Huang <kai.huang@linux.intel.com>, Jacob Pan <jacob.jun.pan@linux.intel.com>, Alison Schofield <alison.schofield@intel.com>, linux-mm@kvack.org, kvm@vger.kernel.org, keyrings@vger.kernel.org, linux-kernel@vger.kernel.org, "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com> Subject: [PATCH, RFC 52/62] x86/mm: introduce common code for mem encryption Date: Wed, 8 May 2019 17:44:12 +0300 [thread overview] Message-ID: <20190508144422.13171-53-kirill.shutemov@linux.intel.com> (raw) In-Reply-To: <20190508144422.13171-1-kirill.shutemov@linux.intel.com> From: Jacob Pan <jacob.jun.pan@linux.intel.com> Both Intel MKTME and AMD SME have needs to support DMA address translation with encryption related bits. Common functions are introduced in this patch to keep DMA generic code abstracted. Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> --- arch/x86/Kconfig | 4 ++++ arch/x86/mm/Makefile | 1 + arch/x86/mm/mem_encrypt_common.c | 28 ++++++++++++++++++++++++++++ 3 files changed, 33 insertions(+) create mode 100644 arch/x86/mm/mem_encrypt_common.c diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 62cfb381fee3..ce9642e2c31b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1505,11 +1505,15 @@ config X86_CPA_STATISTICS config ARCH_HAS_MEM_ENCRYPT def_bool y +config X86_MEM_ENCRYPT_COMMON + def_bool n + config AMD_MEM_ENCRYPT bool "AMD Secure Memory Encryption (SME) support" depends on X86_64 && CPU_SUP_AMD select DYNAMIC_PHYSICAL_MASK select ARCH_USE_MEMREMAP_PROT + select X86_MEM_ENCRYPT_COMMON ---help--- Say yes to enable support for the encryption of system memory. This requires an AMD processor that supports Secure Memory diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile index 4ebee899c363..89dddbc01b1b 100644 --- a/arch/x86/mm/Makefile +++ b/arch/x86/mm/Makefile @@ -55,3 +55,4 @@ obj-$(CONFIG_AMD_MEM_ENCRYPT) += mem_encrypt_identity.o obj-$(CONFIG_AMD_MEM_ENCRYPT) += mem_encrypt_boot.o obj-$(CONFIG_X86_INTEL_MKTME) += mktme.o +obj-$(CONFIG_X86_MEM_ENCRYPT_COMMON) += mem_encrypt_common.o diff --git a/arch/x86/mm/mem_encrypt_common.c b/arch/x86/mm/mem_encrypt_common.c new file mode 100644 index 000000000000..2adee65eec46 --- /dev/null +++ b/arch/x86/mm/mem_encrypt_common.c @@ -0,0 +1,28 @@ +#include <linux/mm.h> +#include <linux/mem_encrypt.h> +#include <asm/mktme.h> + +/* + * Encryption bits need to be set and cleared for both Intel MKTME and + * AMD SME when converting between DMA address and physical address. + */ +dma_addr_t __mem_encrypt_dma_set(dma_addr_t daddr, phys_addr_t paddr) +{ + unsigned long keyid; + + if (sme_active()) + return __sme_set(daddr); + keyid = page_keyid(pfn_to_page(__phys_to_pfn(paddr))); + + return (daddr & ~mktme_keyid_mask) | (keyid << mktme_keyid_shift); +} +EXPORT_SYMBOL_GPL(__mem_encrypt_dma_set); + +phys_addr_t __mem_encrypt_dma_clear(phys_addr_t paddr) +{ + if (sme_active()) + return __sme_clr(paddr); + + return paddr & ~mktme_keyid_mask; +} +EXPORT_SYMBOL_GPL(__mem_encrypt_dma_clear); -- 2.20.1
next prev parent reply other threads:[~2019-05-08 14:44 UTC|newest] Thread overview: 324+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-08 14:43 [PATCH, RFC 00/62] Intel MKTME enabling Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 01/62] mm: Do no merge VMAs with different encryption KeyIDs Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 02/62] mm: Add helpers to setup zero page mappings Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-29 7:21 ` Mike Rapoport 2019-05-29 7:21 ` Mike Rapoport 2019-05-08 14:43 ` [PATCH, RFC 03/62] mm/ksm: Do not merge pages with different KeyIDs Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-10 18:07 ` Dave Hansen 2019-05-10 18:07 ` Dave Hansen 2019-05-13 14:27 ` Kirill A. Shutemov 2019-05-13 14:27 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 04/62] mm/page_alloc: Unify alloc_hugepage_vma() Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 05/62] mm/page_alloc: Handle allocation for encrypted memory Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-29 7:21 ` Mike Rapoport 2019-05-29 7:21 ` Mike Rapoport 2019-05-29 12:47 ` Kirill A. Shutemov 2019-05-29 12:47 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 06/62] mm/khugepaged: Handle encrypted pages Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 07/62] x86/mm: Mask out KeyID bits from page table entry pfn Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 08/62] x86/mm: Introduce variables to store number, shift and mask of KeyIDs Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 09/62] x86/mm: Preserve KeyID on pte_modify() and pgprot_modify() Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-06-14 9:15 ` Peter Zijlstra 2019-06-14 9:15 ` Peter Zijlstra 2019-06-14 13:03 ` Kirill A. Shutemov 2019-06-14 13:03 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 10/62] x86/mm: Detect MKTME early Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 11/62] x86/mm: Add a helper to retrieve KeyID for a page Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 12/62] x86/mm: Add a helper to retrieve KeyID for a VMA Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 13/62] x86/mm: Add hooks to allocate and free encrypted pages Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-06-14 9:34 ` Peter Zijlstra 2019-06-14 9:34 ` Peter Zijlstra 2019-06-14 11:04 ` Peter Zijlstra 2019-06-14 11:04 ` Peter Zijlstra 2019-06-14 13:28 ` Kirill A. Shutemov 2019-06-14 13:28 ` Kirill A. Shutemov 2019-06-14 13:43 ` Peter Zijlstra 2019-06-14 13:43 ` Peter Zijlstra 2019-06-14 22:41 ` Kirill A. Shutemov 2019-06-14 22:41 ` Kirill A. Shutemov 2019-06-17 9:25 ` Peter Zijlstra 2019-06-17 9:25 ` Peter Zijlstra 2019-06-14 13:14 ` Kirill A. Shutemov 2019-06-14 13:14 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 14/62] x86/mm: Map zero pages into encrypted mappings correctly Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 15/62] x86/mm: Rename CONFIG_RANDOMIZE_MEMORY_PHYSICAL_PADDING Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 16/62] x86/mm: Allow to disable MKTME after enumeration Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 17/62] x86/mm: Calculate direct mapping size Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 18/62] x86/mm: Implement syncing per-KeyID direct mappings Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-06-14 9:51 ` Peter Zijlstra 2019-06-14 9:51 ` Peter Zijlstra 2019-06-14 22:43 ` Kirill A. Shutemov 2019-06-14 22:43 ` Kirill A. Shutemov 2019-06-17 9:27 ` Peter Zijlstra 2019-06-17 9:27 ` Peter Zijlstra 2019-06-17 14:43 ` Kirill A. Shutemov 2019-06-17 14:43 ` Kirill A. Shutemov 2019-06-17 14:51 ` Peter Zijlstra 2019-06-17 14:51 ` Peter Zijlstra 2019-06-17 15:17 ` Kirill A. Shutemov 2019-06-17 15:17 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 19/62] x86/mm: Handle encrypted memory in page_to_virt() and __pa() Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-06-14 11:10 ` Peter Zijlstra 2019-06-14 11:10 ` Peter Zijlstra 2019-05-08 14:43 ` [PATCH, RFC 20/62] mm/page_ext: Export lookup_page_ext() symbol Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-06-14 11:12 ` Peter Zijlstra 2019-06-14 11:12 ` Peter Zijlstra 2019-06-14 22:44 ` Kirill A. Shutemov 2019-06-14 22:44 ` Kirill A. Shutemov 2019-06-17 9:30 ` Peter Zijlstra 2019-06-17 9:30 ` Peter Zijlstra 2019-06-17 11:01 ` Kai Huang 2019-06-17 11:01 ` Kai Huang 2019-06-17 11:01 ` Kai Huang 2019-06-17 11:13 ` Huang, Kai 2019-06-17 11:13 ` Huang, Kai 2019-05-08 14:43 ` [PATCH, RFC 21/62] mm/rmap: Clear vma->anon_vma on unlink_anon_vmas() Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 22/62] x86/pconfig: Set a valid encryption algorithm for all MKTME commands Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 23/62] keys/mktme: Introduce a Kernel Key Service for MKTME Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 24/62] keys/mktme: Preparse the MKTME key payload Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 25/62] keys/mktme: Instantiate and destroy MKTME keys Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 26/62] keys/mktme: Move the MKTME payload into a cache aligned structure Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-06-14 11:35 ` Peter Zijlstra 2019-06-14 11:35 ` Peter Zijlstra 2019-06-14 17:10 ` Alison Schofield 2019-06-14 17:10 ` Alison Schofield 2019-05-08 14:43 ` [PATCH, RFC 27/62] keys/mktme: Strengthen the entropy of CPU generated MKTME keys Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 28/62] keys/mktme: Set up PCONFIG programming targets for " Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 29/62] keys/mktme: Program MKTME keys into the platform hardware Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 30/62] keys/mktme: Set up a percpu_ref_count for MKTME keys Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 31/62] keys/mktme: Require CAP_SYS_RESOURCE capability " Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 32/62] keys/mktme: Store MKTME payloads if cmdline parameter allows Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 33/62] acpi: Remove __init from acpi table parsing functions Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 34/62] acpi/hmat: Determine existence of an ACPI HMAT Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 35/62] keys/mktme: Require ACPI HMAT to register the MKTME Key Service Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 36/62] acpi/hmat: Evaluate topology presented in ACPI HMAT for MKTME Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 37/62] keys/mktme: Do not allow key creation in unsafe topologies Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 38/62] keys/mktme: Support CPU hotplug for MKTME key service Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:43 ` [PATCH, RFC 39/62] keys/mktme: Find new PCONFIG targets during memory hotplug Kirill A. Shutemov 2019-05-08 14:43 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 40/62] keys/mktme: Program new PCONFIG targets with MKTME keys Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 41/62] keys/mktme: Support memory hotplug for " Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 42/62] mm: Generalize the mprotect implementation to support extensions Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 43/62] syscall/x86: Wire up a system call for MKTME encryption keys Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-29 7:21 ` Mike Rapoport 2019-05-29 7:21 ` Mike Rapoport 2019-05-29 18:12 ` Alison Schofield 2019-05-29 18:12 ` Alison Schofield 2019-05-08 14:44 ` [PATCH, RFC 44/62] x86/mm: Set KeyIDs in encrypted VMAs for MKTME Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-06-14 11:44 ` Peter Zijlstra 2019-06-14 11:44 ` Peter Zijlstra 2019-06-14 17:33 ` Alison Schofield 2019-06-14 17:33 ` Alison Schofield 2019-06-14 18:26 ` Dave Hansen 2019-06-14 18:26 ` Dave Hansen 2019-06-14 18:46 ` Alison Schofield 2019-06-14 18:46 ` Alison Schofield 2019-06-14 19:11 ` Dave Hansen 2019-06-14 19:11 ` Dave Hansen 2019-06-17 9:10 ` Peter Zijlstra 2019-06-17 9:10 ` Peter Zijlstra 2019-05-08 14:44 ` [PATCH, RFC 45/62] mm: Add the encrypt_mprotect() system call " Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-06-14 11:47 ` Peter Zijlstra 2019-06-14 11:47 ` Peter Zijlstra 2019-06-14 17:35 ` Alison Schofield 2019-06-14 17:35 ` Alison Schofield 2019-06-14 11:51 ` Peter Zijlstra 2019-06-14 11:51 ` Peter Zijlstra 2019-06-15 0:32 ` Alison Schofield 2019-06-15 0:32 ` Alison Schofield 2019-06-17 9:08 ` Peter Zijlstra 2019-06-17 9:08 ` Peter Zijlstra 2019-06-17 15:07 ` Andy Lutomirski 2019-06-17 15:07 ` Andy Lutomirski 2019-06-17 15:07 ` Andy Lutomirski 2019-06-17 15:28 ` Dave Hansen 2019-06-17 15:28 ` Dave Hansen 2019-06-17 15:46 ` Andy Lutomirski 2019-06-17 15:46 ` Andy Lutomirski 2019-06-17 15:46 ` Andy Lutomirski 2019-06-17 18:27 ` Dave Hansen 2019-06-17 18:27 ` Dave Hansen 2019-06-17 19:12 ` Andy Lutomirski 2019-06-17 19:12 ` Andy Lutomirski 2019-06-17 19:12 ` Andy Lutomirski 2019-06-17 21:36 ` Dave Hansen 2019-06-17 21:36 ` Dave Hansen 2019-06-18 0:48 ` Kai Huang 2019-06-18 0:48 ` Kai Huang 2019-06-18 0:48 ` Kai Huang 2019-06-18 1:50 ` Andy Lutomirski 2019-06-18 1:50 ` Andy Lutomirski 2019-06-18 1:50 ` Andy Lutomirski 2019-06-18 2:11 ` Kai Huang 2019-06-18 2:11 ` Kai Huang 2019-06-18 2:11 ` Kai Huang 2019-06-18 4:24 ` Andy Lutomirski 2019-06-18 4:24 ` Andy Lutomirski 2019-06-18 4:24 ` Andy Lutomirski 2019-06-18 14:19 ` Dave Hansen 2019-06-18 14:19 ` Dave Hansen 2019-06-18 0:05 ` Kai Huang 2019-06-18 0:05 ` Kai Huang 2019-06-18 0:05 ` Kai Huang 2019-06-18 0:15 ` Andy Lutomirski 2019-06-18 0:15 ` Andy Lutomirski 2019-06-18 0:15 ` Andy Lutomirski 2019-06-18 1:35 ` Kai Huang 2019-06-18 1:35 ` Kai Huang 2019-06-18 1:35 ` Kai Huang 2019-06-18 1:43 ` Andy Lutomirski 2019-06-18 1:43 ` Andy Lutomirski 2019-06-18 1:43 ` Andy Lutomirski 2019-06-18 2:23 ` Kai Huang 2019-06-18 2:23 ` Kai Huang 2019-06-18 2:23 ` Kai Huang 2019-06-18 9:12 ` Peter Zijlstra 2019-06-18 9:12 ` Peter Zijlstra 2019-06-18 14:09 ` Dave Hansen 2019-06-18 14:09 ` Dave Hansen 2019-06-18 16:15 ` Kirill A. Shutemov 2019-06-18 16:15 ` Kirill A. Shutemov 2019-06-18 16:22 ` Dave Hansen 2019-06-18 16:22 ` Dave Hansen 2019-06-18 16:36 ` Andy Lutomirski 2019-06-18 16:36 ` Andy Lutomirski 2019-06-18 16:48 ` Dave Hansen 2019-06-18 16:48 ` Dave Hansen 2019-06-18 14:13 ` Dave Hansen 2019-06-18 14:13 ` Dave Hansen 2019-06-17 23:59 ` Kai Huang 2019-06-17 23:59 ` Kai Huang 2019-06-17 23:59 ` Kai Huang 2019-06-18 1:34 ` Lendacky, Thomas 2019-06-18 1:34 ` Lendacky, Thomas 2019-06-18 1:40 ` Andy Lutomirski 2019-06-18 1:40 ` Andy Lutomirski 2019-06-18 1:40 ` Andy Lutomirski 2019-06-18 2:02 ` Lendacky, Thomas 2019-06-18 2:02 ` Lendacky, Thomas 2019-06-18 4:19 ` Andy Lutomirski 2019-06-18 4:19 ` Andy Lutomirski 2019-06-18 4:19 ` Andy Lutomirski 2019-05-08 14:44 ` [PATCH, RFC 46/62] x86/mm: Keep reference counts on encrypted VMAs " Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-06-14 11:54 ` Peter Zijlstra 2019-06-14 11:54 ` Peter Zijlstra 2019-06-14 18:39 ` Alison Schofield 2019-06-14 18:39 ` Alison Schofield 2019-05-08 14:44 ` [PATCH, RFC 47/62] mm: Restrict MKTME memory encryption to anonymous VMAs Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-06-14 11:55 ` Peter Zijlstra 2019-06-14 11:55 ` Peter Zijlstra 2019-06-15 0:07 ` Alison Schofield 2019-06-15 0:07 ` Alison Schofield 2019-05-08 14:44 ` [PATCH, RFC 48/62] selftests/x86/mktme: Test the MKTME APIs Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 17:09 ` Alison Schofield 2019-05-08 17:09 ` Alison Schofield 2019-05-08 14:44 ` [PATCH, RFC 49/62] mm, x86: export several MKTME variables Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-06-14 11:56 ` Peter Zijlstra 2019-06-14 11:56 ` Peter Zijlstra 2019-06-17 3:14 ` Kai Huang 2019-06-17 3:14 ` Kai Huang 2019-06-17 3:14 ` Kai Huang 2019-06-17 7:46 ` Peter Zijlstra 2019-06-17 7:46 ` Peter Zijlstra 2019-06-17 8:39 ` Kai Huang 2019-06-17 8:39 ` Kai Huang 2019-06-17 8:39 ` Kai Huang 2019-06-17 11:25 ` Kirill A. Shutemov 2019-06-17 11:25 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 50/62] kvm, x86, mmu: setup MKTME keyID to spte for given PFN Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 51/62] iommu/vt-d: Support MKTME in DMA remapping Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-06-14 12:04 ` Peter Zijlstra 2019-06-14 12:04 ` Peter Zijlstra 2019-05-08 14:44 ` Kirill A. Shutemov [this message] 2019-05-08 14:44 ` [PATCH, RFC 52/62] x86/mm: introduce common code for mem encryption Kirill A. Shutemov 2019-05-08 16:58 ` Christoph Hellwig 2019-05-08 16:58 ` Christoph Hellwig 2019-05-08 20:52 ` Jacob Pan 2019-05-08 20:52 ` Jacob Pan 2019-05-08 21:21 ` Kirill A. Shutemov 2019-05-08 21:21 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 53/62] x86/mm: Use common code for DMA memory encryption Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 54/62] x86/mm: Disable MKTME on incompatible platform configurations Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 55/62] x86/mm: Disable MKTME if not all system memory supports encryption Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 56/62] x86: Introduce CONFIG_X86_INTEL_MKTME Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 57/62] x86/mktme: Overview of Multi-Key Total Memory Encryption Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-29 7:21 ` Mike Rapoport 2019-05-29 7:21 ` Mike Rapoport 2019-05-29 18:13 ` Alison Schofield 2019-05-29 18:13 ` Alison Schofield 2019-07-14 18:16 ` Randy Dunlap 2019-07-14 18:16 ` Randy Dunlap 2019-07-15 9:02 ` Kirill A. Shutemov 2019-07-15 9:02 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 58/62] x86/mktme: Document the MKTME provided security mitigations Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 59/62] x86/mktme: Document the MKTME kernel configuration requirements Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 60/62] x86/mktme: Document the MKTME Key Service API Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 61/62] x86/mktme: Document the MKTME API for anonymous memory encryption Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-08 14:44 ` [PATCH, RFC 62/62] x86/mktme: Demonstration program using the MKTME APIs Kirill A. Shutemov 2019-05-08 14:44 ` Kirill A. Shutemov 2019-05-29 7:30 ` [PATCH, RFC 00/62] Intel MKTME enabling Mike Rapoport 2019-05-29 7:30 ` Mike Rapoport 2019-05-29 18:20 ` Alison Schofield 2019-05-29 18:20 ` Alison Schofield 2019-06-14 12:15 ` Peter Zijlstra 2019-06-14 12:15 ` Peter Zijlstra
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