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SubjectRe: [PATCH v3 3/3] powerpc: Add support to initialize ima policy rules
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On 06/11/2019 01:19 AM, Satheesh Rajendran wrote:
> On Mon, Jun 10, 2019 at 04:33:57PM -0400, Nayna Jain wrote:
>> PowerNV secure boot relies on the kernel IMA security subsystem to
>> perform the OS kernel image signature verification. Since each secure
>> boot mode has different IMA policy requirements, dynamic definition of
>> the policy rules based on the runtime secure boot mode of the system is
>> required. On systems that support secure boot, but have it disabled,
>> only measurement policy rules of the kernel image and modules are
>> defined.
>>
>> This patch defines the arch-specific implementation to retrieve the
>> secure boot mode of the system and accordingly configures the IMA policy
>> rules.
>>
>> This patch provides arch-specific IMA policies if PPC_SECURE_BOOT
>> config is enabled.
>>
>> Signed-off-by: Nayna Jain <nayna@linux.ibm.com>
>> ---
>> arch/powerpc/Kconfig | 14 +++++++++
>> arch/powerpc/kernel/Makefile | 1 +
>> arch/powerpc/kernel/ima_arch.c | 54 ++++++++++++++++++++++++++++++++++
>> include/linux/ima.h | 3 +-
>> 4 files changed, 71 insertions(+), 1 deletion(-)
>> create mode 100644 arch/powerpc/kernel/ima_arch.c
> Hi,
>
> This series failed to build against linuxppc/merge tree with `ppc64le_defconfig`,
>
> arch/powerpc/platforms/powernv/secboot.c:14:6: error: redefinition of 'get_powerpc_sb_mode'
> 14 | bool get_powerpc_sb_mode(void)
> | ^~~~~~~~~~~~~~~~~~~
> In file included from arch/powerpc/platforms/powernv/secboot.c:11:
> ./arch/powerpc/include/asm/secboot.h:15:20: note: previous definition of 'get_powerpc_sb_mode' was here
> 15 | static inline bool get_powerpc_sb_mode(void)
> | ^~~~~~~~~~~~~~~~~~~
> make[3]: *** [scripts/Makefile.build:278: arch/powerpc/platforms/powernv/secboot.o] Error 1
> make[3]: *** Waiting for unfinished jobs....
> make[2]: *** [scripts/Makefile.build:489: arch/powerpc/platforms/powernv] Error 2
> make[1]: *** [scripts/Makefile.build:489: arch/powerpc/platforms] Error 2
> make: *** [Makefile:1071: arch/powerpc] Error 2
> make: *** Waiting for unfinished jobs....


Thanks for reporting. I have fixed it and reposted as v4.

Please retry.

Thanks & Regards,
     - Nayna


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