linux-kernel - [deller-parisc:HPMC_and_TOC_on_c8000 1/3] drivers/tty/sysrq.c:150:15: sparse: sparse: symbol 'hpmc_addr' was not declared. Should it be static?

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Message-ID: <202111081813.jnmMVQMT-lkp@intel.com>
Date:   Mon, 8 Nov 2021 18:35:42 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sven Schnelle <svens@...ckframe.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Helge Deller <deller@....de>
Subject: [deller-parisc:HPMC_and_TOC_on_c8000 1/3]
 drivers/tty/sysrq.c:150:15: sparse: sparse: symbol 'hpmc_addr' was not
 declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git HPMC_and_TOC_on_c8000
head:   96e1b009bc4030ae126df7e90ff9d434c5766d99
commit: c743202c8e5cfe0ee49a274751bf02bb893faa19 [1/3] hpmc trigger
config: i386-randconfig-s001-20211008 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git/commit/?id=c743202c8e5cfe0ee49a274751bf02bb893faa19
        git remote add deller-parisc https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git
        git fetch --no-tags deller-parisc HPMC_and_TOC_on_c8000
        git checkout c743202c8e5cfe0ee49a274751bf02bb893faa19
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/kernel/ arch/x86/lib/ arch/x86/mm/ drivers/android/ drivers/base/ drivers/dma-buf/ drivers/gpu/drm/ drivers/input/ drivers/interconnect/ drivers/misc/mei/ drivers/misc/vmw_vmci/ drivers/mtd/devices/ drivers/net/ drivers/platform/chrome/ drivers/pwm/ drivers/spi/ drivers/staging/fwserial/ drivers/tty/ fs/cifs/ fs/nfs/ kernel/ mm/ net/sunrpc/ samples/ftrace/ samples/trace_events/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/tty/sysrq.c:150:15: sparse: sparse: symbol 'hpmc_addr' was not declared. Should it be static?
>> drivers/tty/sysrq.c:1189:19: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected unsigned long *[addressable] [toplevel] hpmc_addr @@     got void [noderef] __iomem * @@
   drivers/tty/sysrq.c:1189:19: sparse:     expected unsigned long *[addressable] [toplevel] hpmc_addr
   drivers/tty/sysrq.c:1189:19: sparse:     got void [noderef] __iomem *
   drivers/tty/sysrq.c: note: in included file (through include/linux/rculist.h, include/linux/sched/signal.h):
   include/linux/rcupdate.h:718:9: sparse: sparse: context imbalance in 'sysrq_handle_crash' - unexpected unlock

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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