linux-kernel - [PATCH v18 11/11] arm64: Enable passing IMA log to next kernel on kexec

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Date:   Sat, 13 Feb 2021 08:10:49 -0800
From:   Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>
To:     zohar@...ux.ibm.com, bauerman@...ux.ibm.com, robh@...nel.org,
        takahiro.akashi@...aro.org, gregkh@...uxfoundation.org,
        will@...nel.org, joe@...ches.com, catalin.marinas@....com,
        mpe@...erman.id.au
Cc:     james.morse@....com, sashal@...nel.org, benh@...nel.crashing.org,
        paulus@...ba.org, frowand.list@...il.com,
        vincenzo.frascino@....com, mark.rutland@....com,
        dmitry.kasatkin@...il.com, jmorris@...ei.org, serge@...lyn.com,
        pasha.tatashin@...een.com, allison@...utok.net,
        masahiroy@...nel.org, mbrugger@...e.com, hsinyi@...omium.org,
        tao.li@...o.com, christophe.leroy@....fr,
        prsriva@...ux.microsoft.com, balajib@...ux.microsoft.com,
        linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v18 11/11] arm64: Enable passing IMA log to next kernel on kexec

Update CONFIG_KEXEC_FILE to select CONFIG_HAVE_IMA_KEXEC, if CONFIG_IMA
is enabled, to indicate that the IMA measurement log information is
present in the device tree for ARM64.

Co-developed-by: Prakhar Srivastava <prsriva@...ux.microsoft.com>
Signed-off-by: Prakhar Srivastava <prsriva@...ux.microsoft.com>
Signed-off-by: Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>
Suggested-by: Thiago Jung Bauermann <bauerman@...ux.ibm.com>
Reviewed-by: Thiago Jung Bauermann <bauerman@...ux.ibm.com>
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 05e17351e4f3..8a93573cebb6 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1093,6 +1093,7 @@ config KEXEC
 config KEXEC_FILE
 	bool "kexec file based system call"
 	select KEXEC_CORE
+	select HAVE_IMA_KEXEC if IMA
 	help
 	  This is new version of kexec system call. This system call is
 	  file based and takes file descriptors as system call argument
-- 
2.30.0