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@linux.microsoft.com>
Signed-off-by: Prakhar Srivastava <prsriva@linux.microsoft.com>
Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Suggested-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Reviewed-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210221174930.27324-14-nramas@linux.microsoft.com

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 1f212b4..31bd885 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1098,6 +1098,7 @@ 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