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Wed, 6 May 2020 22:02:08 +0000 Subject: [PATCH 0/2] arch/x86: Enable MPK feature on AMD From: Babu Moger To: corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, pbonzini@redhat.com, sean.j.christopherson@intel.com Cc: x86@kernel.org, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, mchehab+samsung@kernel.org, babu.moger@amd.com, changbin.du@intel.com, namit@vmware.com, bigeasy@linutronix.de, yang.shi@linux.alibaba.com, asteinhauser@google.com, anshuman.khandual@arm.com, jan.kiszka@siemens.com, akpm@linux-foundation.org, steven.price@arm.com, rppt@linux.vnet.ibm.com, peterx@redhat.com, dan.j.williams@intel.com, arjunroy@google.com, logang@deltatee.com, thellstrom@vmware.com, aarcange@redhat.com, justin.he@arm.com, robin.murphy@arm.com, ira.weiny@intel.com, keescook@chromium.org, jgross@suse.com, andrew.cooper3@citrix.com, pawan.kumar.gupta@linux.intel.com, fenghua.yu@intel.com, vineela.tummalapalli@intel.com, yamada.masahiro@socionext.com, sam@ravnborg.org, acme@redhat.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Date: Wed, 06 May 2020 17:02:05 -0500 Message-ID: <158880240546.11615.2219410169137148044.stgit@naples-babu.amd.com> User-Agent: StGit/unknown-version Content-Type: text/plain; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0d58689f-ab94-4574-d1d4-08d7f2091e9c X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 May 2020 22:02:08.2083 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: aEBHNVI3o71Ue51uDAAzU3zx3lqyqJqdb04/JrzgU9EmSsSLTcB6tqEUHYNpT6Fy X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN1PR12MB2512 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org AMD's next generation of EPYC processors support the MPK (Memory Protection Keys) feature. AMD documentation for MPK feature is available at "AMD64 Architecture Programmer’s Manual Volume 2: System Programming, Pub. 24593 Rev. 3.34, Section 5.6.6 Memory Protection Keys (MPK) Bit". The documentation can be obtained at the link below: https://bugzilla.kernel.org/show_bug.cgi?id=206537 This series enables the feature on AMD and updates config parameters to reflect the MPK support on generic x86 platforms. --- Babu Moger (2): arch/x86: Rename config X86_INTEL_MEMORY_PROTECTION_KEYS to generic x86 KVM: SVM: Add support for MPK feature on AMD Documentation/core-api/protection-keys.rst | 3 ++- arch/x86/Kconfig | 6 +++--- arch/x86/include/asm/disabled-features.h | 4 ++-- arch/x86/include/asm/mmu.h | 2 +- arch/x86/include/asm/mmu_context.h | 4 ++-- arch/x86/include/asm/pgtable.h | 4 ++-- arch/x86/include/asm/pgtable_types.h | 2 +- arch/x86/include/asm/special_insns.h | 2 +- arch/x86/include/uapi/asm/mman.h | 2 +- arch/x86/kernel/cpu/common.c | 2 +- arch/x86/kvm/svm/svm.c | 20 ++++++++++++++++++++ arch/x86/kvm/svm/svm.h | 2 ++ arch/x86/mm/Makefile | 2 +- arch/x86/mm/pkeys.c | 2 +- scripts/headers_install.sh | 2 +- tools/arch/x86/include/asm/disabled-features.h | 4 ++-- 16 files changed, 43 insertions(+), 20 deletions(-) --