linux-kernel - Re: [PATCH] security: fix ima kconfig warning

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Message-ID: <20120227202747.GA2973@hardened-box.ibm.com>
Date:	Mon, 27 Feb 2012 17:27:47 -0300
From:	Rajiv Andrade <srajiv@...ux.vnet.ibm.com>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Mimi Zohar <zohar@...ibm.com>, James Morris <jmorris@...ei.org>
Subject: Re: [PATCH] security: fix ima kconfig warning

On Fri, 24 Feb 2012, Randy Dunlap wrote:

> From: Randy Dunlap <rdunlap@...otime.net>
> 
> Fix IMA kconfig warning on non-X86 architectures:
> 
> warning: (IMA) selects TCG_TIS which has unmet direct dependencies
> (TCG_TPM && X86)
> 
> But why do TCG_TIS and TCG_NSC depend on X86??
>

These drivers only support the probing for TPM devices on this platform,
through PNP or a hardcoded address base.

Acked-by: Rajiv Andrade <srajiv@...ux.vnet.ibm.com>

> Signed-off-by: Randy Dunlap <rdunlap@...otime.net>
> Reported-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> Cc: Mimi Zohar <zohar@...ibm.com>
> Cc: James Morris <jmorris@...ei.org>
> ---
> No IMA/TPM builds have been tested with this change...
> 
>  security/integrity/ima/Kconfig |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- lnx-33-rc4.orig/security/integrity/ima/Kconfig
> +++ lnx-33-rc4/security/integrity/ima/Kconfig
> @@ -10,7 +10,7 @@ config IMA
>  	select CRYPTO_MD5
>  	select CRYPTO_SHA1
>  	select TCG_TPM if !S390 && !UML
> -	select TCG_TIS if TCG_TPM
> +	select TCG_TIS if TCG_TPM && X86
>  	help
>  	  The Trusted Computing Group(TCG) runtime Integrity
>  	  Measurement Architecture(IMA) maintains a list of hash
> --
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-- 
Rajiv Andrade
Security Development
IBM Linux Technology Center

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