linux-kernel - Re: [PATCH RESEND] integrity: Extract secure boot enquiry function out of IMA

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Message-ID: <aF6/ItTfd7oVN+Sn@li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com>
Date: Fri, 27 Jun 2025 17:56:18 +0200
From: Alexander Gordeev <agordeev@...ux.ibm.com>
To: GONG Ruiqi <gongruiqi1@...wei.com>
Cc: Mimi Zohar <zohar@...ux.ibm.com>, Roberto Sassu <roberto.sassu@...wei.com>,
        Dmitry Kasatkin <dmitry.kasatkin@...il.com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Madhavan Srinivasan <maddy@...ux.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>,
        Eric Snowberg <eric.snowberg@...cle.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Nicholas Piggin <npiggin@...il.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>, "Lee, Chun-Yi" <jlee@...e.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-s390@...r.kernel.org, linux-integrity@...r.kernel.org,
        keyrings@...r.kernel.org, Lu Jialin <lujialin4@...wei.com>
Subject: Re: [PATCH RESEND] integrity: Extract secure boot enquiry function
 out of IMA

On Thu, Jun 26, 2025 at 10:36:17AM +0800, GONG Ruiqi wrote:

Hi GONG,

...
> Compile-tested for powerpc, s390 and x86, all with allmodconfig.

This breaks defconfig and debug_defconfig builds on s390
since IMA_ARCH_POLICY=n in these configurations and thus
CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT=n as well:

s390x-15.1.0-ld: security/integrity/ima/ima_main.o: in function `ima_load_data':
/home/agordeev/linux.c3/security/integrity/ima/ima_main.c:902:(.text+0x54e): undefined reference to `arch_integrity_get_secureboot'
s390x-15.1.0-ld: security/integrity/ima/ima_appraise.o: in function `ima_appraise_parse_cmdline':
/home/agordeev/linux.c3/security/integrity/ima/ima_appraise.c:30:(.init.text+0x44): undefined reference to `arch_integrity_get_secureboot'
make[2]: *** [scripts/Makefile.vmlinux:91: vmlinux.unstripped] Error 1
make[1]: *** [/home/agordeev/linux.c3/Makefile:1236: vmlinux] Error 2
make: *** [Makefile:248: __sub-make] Error 2

> Signed-off-by: GONG Ruiqi <gongruiqi1@...wei.com>

Thanks!