From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F28B5C433EF for ; Tue, 28 Sep 2021 19:21:33 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6792660720 for ; Tue, 28 Sep 2021 19:21:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6792660720 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4HJqB40zFqz3c4Y for ; Wed, 29 Sep 2021 05:21:32 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=linux.intel.com (client-ip=192.55.52.93; helo=mga11.intel.com; envelope-from=sathyanarayanan.kuppuswamy@linux.intel.com; receiver=) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4HJq9S64Jfz2xYQ for ; Wed, 29 Sep 2021 05:20:59 +1000 (AEST) X-IronPort-AV: E=McAfee;i="6200,9189,10121"; a="221582571" X-IronPort-AV: E=Sophos;i="5.85,330,1624345200"; d="scan'208";a="221582571" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2021 12:19:53 -0700 X-IronPort-AV: E=Sophos;i="5.85,330,1624345200"; d="scan'208";a="554270019" Received: from oogunmoy-mobl1.amr.corp.intel.com (HELO skuppusw-mobl5.amr.corp.intel.com) ([10.212.221.219]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2021 12:19:51 -0700 Subject: Re: [PATCH v4 0/8] Implement generic cc_platform_has() helper function To: Borislav Petkov , LKML References: <20210928191009.32551-1-bp@alien8.de> From: "Kuppuswamy, Sathyanarayanan" Message-ID: <80593893-c63b-d481-45f1-42a3a6fd762a@linux.intel.com> Date: Tue, 28 Sep 2021 12:19:49 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20210928191009.32551-1-bp@alien8.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-efi@vger.kernel.org, kvm@vger.kernel.org, David Airlie , dri-devel@lists.freedesktop.org, platform-driver-x86@vger.kernel.org, Paul Mackerras , Will Deacon , Ard Biesheuvel , linux-s390@vger.kernel.org, Andi Kleen , Baoquan He , Joerg Roedel , x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Christian Borntraeger , VMware Graphics , Dave Young , Tom Lendacky , Thomas Zimmermann , Vasily Gorbik , Heiko Carstens , Maarten Lankhorst , Maxime Ripard , Andy Lutomirski , "Kirill A. Shutemov" , kexec@lists.infradead.org, iommu@lists.linux-foundation.org, Daniel Vetter , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 9/28/21 12:10 PM, Borislav Petkov wrote: > From: Borislav Petkov > > Hi all, > > here's v4 of the cc_platform_has() patchset with feedback incorporated. > > I'm going to route this through tip if there are no objections. Intel CC support patch is not included in this series. You want me to address the issue raised by Joerg before merging it? > > Thx. > > Tom Lendacky (8): > x86/ioremap: Selectively build arch override encryption functions > arch/cc: Introduce a function to check for confidential computing > features > x86/sev: Add an x86 version of cc_platform_has() > powerpc/pseries/svm: Add a powerpc version of cc_platform_has() > x86/sme: Replace occurrences of sme_active() with cc_platform_has() > x86/sev: Replace occurrences of sev_active() with cc_platform_has() > x86/sev: Replace occurrences of sev_es_active() with cc_platform_has() > treewide: Replace the use of mem_encrypt_active() with > cc_platform_has() > > arch/Kconfig | 3 + > arch/powerpc/include/asm/mem_encrypt.h | 5 -- > arch/powerpc/platforms/pseries/Kconfig | 1 + > arch/powerpc/platforms/pseries/Makefile | 2 + > arch/powerpc/platforms/pseries/cc_platform.c | 26 ++++++ > arch/powerpc/platforms/pseries/svm.c | 5 +- > arch/s390/include/asm/mem_encrypt.h | 2 - > arch/x86/Kconfig | 1 + > arch/x86/include/asm/io.h | 8 ++ > arch/x86/include/asm/kexec.h | 2 +- > arch/x86/include/asm/mem_encrypt.h | 12 +-- > arch/x86/kernel/Makefile | 6 ++ > arch/x86/kernel/cc_platform.c | 69 +++++++++++++++ > arch/x86/kernel/crash_dump_64.c | 4 +- > arch/x86/kernel/head64.c | 9 +- > arch/x86/kernel/kvm.c | 3 +- > arch/x86/kernel/kvmclock.c | 4 +- > arch/x86/kernel/machine_kexec_64.c | 19 +++-- > arch/x86/kernel/pci-swiotlb.c | 9 +- > arch/x86/kernel/relocate_kernel_64.S | 2 +- > arch/x86/kernel/sev.c | 6 +- > arch/x86/kvm/svm/svm.c | 3 +- > arch/x86/mm/ioremap.c | 18 ++-- > arch/x86/mm/mem_encrypt.c | 55 ++++-------- > arch/x86/mm/mem_encrypt_identity.c | 9 +- > arch/x86/mm/pat/set_memory.c | 3 +- > arch/x86/platform/efi/efi_64.c | 9 +- > arch/x86/realmode/init.c | 8 +- > drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 +- > drivers/gpu/drm/drm_cache.c | 4 +- > drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 4 +- > drivers/gpu/drm/vmwgfx/vmwgfx_msg.c | 6 +- > drivers/iommu/amd/init.c | 7 +- > drivers/iommu/amd/iommu.c | 3 +- > drivers/iommu/amd/iommu_v2.c | 3 +- > drivers/iommu/iommu.c | 3 +- > fs/proc/vmcore.c | 6 +- > include/linux/cc_platform.h | 88 ++++++++++++++++++++ > include/linux/mem_encrypt.h | 4 - > kernel/dma/swiotlb.c | 4 +- > 40 files changed, 310 insertions(+), 129 deletions(-) > create mode 100644 arch/powerpc/platforms/pseries/cc_platform.c > create mode 100644 arch/x86/kernel/cc_platform.c > create mode 100644 include/linux/cc_platform.h > -- Sathyanarayanan Kuppuswamy Linux Kernel Developer