linux-kernel - next: s390: arch/s390/kernel/machine_kexec.c:192:18: error: invalid use of undefined type 'struct kimage'

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Date:   Thu, 6 Jul 2023 17:36:17 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     linux-s390@...r.kernel.org,
        open list <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        lkft-triage@...ts.linaro.org
Cc:     Thomas Richter <tmricht@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>
Subject: next: s390: arch/s390/kernel/machine_kexec.c:192:18: error: invalid
 use of undefined type 'struct kimage'

Following build regressions found on Linux next-20230706.

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

Regressions found on s390:

 - build/gcc-8-tinyconfig
 - build/clang-nightly-allnoconfig
 - build/gcc-12-allnoconfig
 - build/gcc-12-tinyconfig
 - build/clang-nightly-tinyconfig
 - build/clang-16-allnoconfig
 - build/clang-16-tinyconfig
 - build/gcc-8-allnoconfig

Build error:
====
arch/s390/kernel/machine_kexec.c:120:37: warning: 'struct kimage'
declared inside parameter list will not be visible outside of this
definition or declaration
  120 | static bool kdump_csum_valid(struct kimage *image)
      |                                     ^~~~~~
arch/s390/kernel/machine_kexec.c:188:34: warning: 'struct kimage'
declared inside parameter list will not be visible outside of this
definition or declaration
  188 | int machine_kexec_prepare(struct kimage *image)
      |                                  ^~~~~~
arch/s390/kernel/machine_kexec.c: In function 'machine_kexec_prepare':
arch/s390/kernel/machine_kexec.c:192:18: error: invalid use of
undefined type 'struct kimage'
  192 |         if (image->type == KEXEC_TYPE_CRASH)
      |                  ^~
arch/s390/kernel/machine_kexec.c:192:28: error: 'KEXEC_TYPE_CRASH'
undeclared (first use in this function); did you mean
'KEXEC_ON_CRASH'?
  192 |         if (image->type == KEXEC_TYPE_CRASH)
      |                            ^~~~~~~~~~~~~~~~
      |                            KEXEC_ON_CRASH
arch/s390/kernel/machine_kexec.c:192:28: note: each undeclared
identifier is reported only once for each function it appears in
arch/s390/kernel/machine_kexec.c:196:18: error: invalid use of
undefined type 'struct kimage'
  196 |         if (image->type != KEXEC_TYPE_DEFAULT)
      |                  ^~
arch/s390/kernel/machine_kexec.c:196:28: error: 'KEXEC_TYPE_DEFAULT'
undeclared (first use in this function); did you mean
'KEXEC_ARCH_DEFAULT'?
  196 |         if (image->type != KEXEC_TYPE_DEFAULT)
      |                            ^~~~~~~~~~~~~~~~~~
      |                            KEXEC_ARCH_DEFAULT
In file included from arch/s390/include/asm/thread_info.h:31,
                 from include/linux/thread_info.h:60,
                 from arch/s390/include/asm/preempt.h:6,
                 from include/linux/preempt.h:79,
                 from arch/s390/include/asm/percpu.h:5,
                 from include/linux/irqflags.h:18,
                 from include/linux/rcupdate.h:26,
                 from include/linux/rculist.h:11,
                 from include/linux/pid.h:5,
                 from include/linux/sched.h:14,
                 from include/linux/ratelimit.h:6,
                 from include/linux/dev_printk.h:16,
                 from include/linux/device.h:15,
                 from arch/s390/kernel/machine_kexec.c:9:
arch/s390/kernel/machine_kexec.c:200:48: error: invalid use of
undefined type 'struct kimage'
  200 |         reboot_code_buffer = page_to_virt(image->control_code_page);
      |                                                ^~


Links:
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230706/testrun/18173978/suite/build/test/gcc-12-tinyconfig/log
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230706/testrun/18173978/suite/build/test/gcc-12-tinyconfig/history/
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2SBB5EGvx1egXcvg0fwoJIyLbSK/


--
Linaro LKFT
https://lkft.linaro.org