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 0F558C433EF for ; Tue, 28 Sep 2021 19:19:58 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 CCBF761374 for ; Tue, 28 Sep 2021 19:19:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org CCBF761374 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.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id A4AAC4040B; Tue, 28 Sep 2021 19:19:57 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DvGwJTvzGUHB; Tue, 28 Sep 2021 19:19:56 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id 81B26403BB; Tue, 28 Sep 2021 19:19:56 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 49DC2C000F; Tue, 28 Sep 2021 19:19:56 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 46ADDC000D for ; Tue, 28 Sep 2021 19:19:55 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 28D18403C0 for ; Tue, 28 Sep 2021 19:19:55 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qqdp3U_1481s for ; Tue, 28 Sep 2021 19:19:54 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by smtp4.osuosl.org (Postfix) with ESMTPS id 748A2403BB for ; Tue, 28 Sep 2021 19:19:54 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10121"; a="212038816" X-IronPort-AV: E=Sophos;i="5.85,330,1624345200"; d="scan'208";a="212038816" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.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-Language: en-US Cc: linux-efi@vger.kernel.org, kvm@vger.kernel.org, David Airlie , Benjamin Herrenschmidt , dri-devel@lists.freedesktop.org, platform-driver-x86@vger.kernel.org, Paul Mackerras , Will Deacon , Ard Biesheuvel , linux-s390@vger.kernel.org, Andi Kleen , Michael Ellerman , 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 X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" 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 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu