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Fri, 4 Sep 2020 07:29:32 +0000 Received: from VI1PR04MB4928.eurprd04.prod.outlook.com ([fe80::859b:fe60:4cfd:efa3]) by VI1PR04MB4928.eurprd04.prod.outlook.com ([fe80::859b:fe60:4cfd:efa3%2]) with mapi id 15.20.3348.016; Fri, 4 Sep 2020 07:29:32 +0000 From: Chester Lin To: ardb@kernel.org, catalin.marinas@arm.com, will@kernel.org, zohar@linux.ibm.com, dmitry.kasatkin@gmail.com, corbet@lwn.net, mark.rutland@arm.com, vincenzo.frascino@arm.com, samitolvanen@google.com, masahiroy@kernel.org, mingo@kernel.org CC: linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-integrity@vger.kernel.org, linux-doc@vger.kernel.org, jlee@suse.com, clin@suse.com Subject: [PATCH 0/6] add ima_arch support for ARM64 Date: Fri, 4 Sep 2020 15:28:59 +0800 Message-ID: <20200904072905.25332-1-clin@suse.com> X-Mailer: git-send-email 2.26.1 X-ClientProxiedBy: AM0PR02CA0073.eurprd02.prod.outlook.com (2603:10a6:208:154::14) To VI1PR04MB4928.eurprd04.prod.outlook.com (2603:10a6:803:57::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from linux-8mug.suse.de (114.24.10.103) by AM0PR02CA0073.eurprd02.prod.outlook.com (2603:10a6:208:154::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3348.15 via Frontend Transport; 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Some IMA functions can check arch-specific status before running. For example, the ima_load_data function or the boot param "ima_appraise=" should not be executed when UEFI secure boot is enabled. We want to fill the gap in order to complete the IMA support on ARM64. Chester Lin (6): efistub: pass uefi secureboot flag via fdt params efi/arm: a helper to parse secure boot param in fdt params efi: add secure boot flag efi/arm: check secure boot status in efi init arm64/ima: add ima arch support docs/arm: add the description of uefi-secure-boot param Documentation/arm/uefi.rst | 2 ++ arch/arm64/Kconfig | 1 + arch/arm64/kernel/Makefile | 2 ++ arch/arm64/kernel/ima_arch.c | 37 ++++++++++++++++++++++++++++ drivers/firmware/efi/arm-init.c | 3 +++ drivers/firmware/efi/fdtparams.c | 23 ++++++++++++++++++ drivers/firmware/efi/libstub/fdt.c | 39 +++++++++++++++++++++++++++++- include/linux/efi.h | 2 ++ 8 files changed, 108 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/kernel/ima_arch.c