linux-kernel - Re: [PATCH v7 2/8] powerpc: add support to initialize ima policy rules

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Date:   Tue, 15 Oct 2019 20:59:34 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Mimi Zohar <zohar@...ux.ibm.com>, Nayna Jain <nayna@...ux.ibm.com>,
        linuxppc-dev@...abs.org, linux-efi@...r.kernel.org,
        linux-integrity@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Jeremy Kerr <jk@...abs.org>,
        Matthew Garret <matthew.garret@...ula.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Claudio Carvalho <cclaudio@...ux.ibm.com>,
        George Wilson <gcwilson@...ux.ibm.com>,
        Elaine Palmer <erpalmer@...ibm.com>,
        Eric Ricther <erichte@...ux.ibm.com>,
        Oliver O'Halloran <oohall@...il.com>
Subject: Re: [PATCH v7 2/8] powerpc: add support to initialize ima policy rules

Mimi Zohar <zohar@...ux.ibm.com> writes:
> On Mon, 2019-10-07 at 21:14 -0400, Nayna Jain wrote:
...
>> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
>> index b4a221886fcf..deb19ec6ba3d 100644
>> --- a/arch/powerpc/Kconfig
>> +++ b/arch/powerpc/Kconfig
>> @@ -938,6 +938,8 @@ config PPC_SECURE_BOOT
>>  	prompt "Enable secure boot support"
>>  	bool
>>  	depends on PPC_POWERNV
>> +	depends on IMA
>> +	depends on IMA_ARCH_POLICY
>
> As IMA_ARCH_POLICY is dependent on IMA, I don't see a need for
> depending on both IMA and IMA_ARCH_POLICY.

I agree. And what we actually depend on is the arch part, so it should
depend on just IMA_ARCH_POLICY.

cheers