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Message-ID: <202112120322.6KDmAB1p-lkp@intel.com>
Date:   Sun, 12 Dec 2021 03:20:10 +0800
From:   kernel test robot <lkp@...el.com>
To:     Saravana Kannan <skannan@...eaurora.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Sibi Sankar <sibis@...eaurora.org>
Subject: [chanwoo:devfreq-testing 2/4]
 arch/um/include/asm/processor-generic.h:104:19: error: expected identifier
 or '(' before '&' token

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git devfreq-testing
head:   5857e3d1820d85e10321ec180ed88e780fd0ec3e
commit: d678890dcdf858c25d2789793a35a81c4311e972 [2/4] PM / devfreq: Add cpu based scaling support to passive governor
config: um-allyesconfig (https://download.01.org/0day-ci/archive/20211212/202112120322.6KDmAB1p-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git/commit/?id=d678890dcdf858c25d2789793a35a81c4311e972
        git remote add chanwoo https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git
        git fetch --no-tags chanwoo devfreq-testing
        git checkout d678890dcdf858c25d2789793a35a81c4311e972
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=um SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   In file included from arch/x86/um/asm/processor.h:41,
                    from include/linux/rcupdate.h:30,
                    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 drivers/base/power/main.c:21:
>> arch/um/include/asm/processor-generic.h:104:19: error: expected identifier or '(' before '&' token
     104 | #define cpu_data (&boot_cpu_data)
         |                   ^
   include/linux/devfreq.h:331:27: note: in expansion of macro 'cpu_data'
     331 |  struct devfreq_cpu_data *cpu_data[NR_CPUS];
         |                           ^~~~~~~~
   In file included from drivers/base/power/main.c:35:
   include/linux/devfreq.h:332:1: warning: no semicolon at end of struct or union
     332 | };
         | ^
--
   In file included from arch/x86/um/asm/processor.h:41,
                    from include/linux/spinlock_up.h:8,
                    from include/linux/spinlock.h:95,
                    from include/linux/mm_types.h:9,
                    from include/linux/buildid.h:5,
                    from include/linux/module.h:14,
                    from drivers/devfreq/governor_passive.c:10:
>> arch/um/include/asm/processor-generic.h:104:19: error: expected identifier or '(' before '&' token
     104 | #define cpu_data (&boot_cpu_data)
         |                   ^
   include/linux/devfreq.h:331:27: note: in expansion of macro 'cpu_data'
     331 |  struct devfreq_cpu_data *cpu_data[NR_CPUS];
         |                           ^~~~~~~~
   In file included from drivers/devfreq/governor_passive.c:16:
   include/linux/devfreq.h:332:1: warning: no semicolon at end of struct or union
     332 | };
         | ^
   In file included from arch/x86/um/asm/processor.h:41,
                    from include/linux/spinlock_up.h:8,
                    from include/linux/spinlock.h:95,
                    from include/linux/mm_types.h:9,
                    from include/linux/buildid.h:5,
                    from include/linux/module.h:14,
                    from drivers/devfreq/governor_passive.c:10:
   drivers/devfreq/governor_passive.c: In function 'get_target_freq_with_cpufreq':
>> arch/um/include/asm/processor-generic.h:104:18: error: expected identifier before '(' token
     104 | #define cpu_data (&boot_cpu_data)
         |                  ^
   drivers/devfreq/governor_passive.c:58:29: note: in expansion of macro 'cpu_data'
      58 |   parent_cpu_data = p_data->cpu_data[cpu];
         |                             ^~~~~~~~
   drivers/devfreq/governor_passive.c:50:31: warning: variable 'p_data' set but not used [-Wunused-but-set-variable]
      50 |  struct devfreq_passive_data *p_data =
         |                               ^~~~~~
   In file included from arch/x86/um/asm/processor.h:41,
                    from include/linux/spinlock_up.h:8,
                    from include/linux/spinlock.h:95,
                    from include/linux/mm_types.h:9,
                    from include/linux/buildid.h:5,
                    from include/linux/module.h:14,
                    from drivers/devfreq/governor_passive.c:10:
   drivers/devfreq/governor_passive.c: In function 'cpufreq_passive_notifier_call':
>> arch/um/include/asm/processor-generic.h:104:18: error: expected identifier before '(' token
     104 | #define cpu_data (&boot_cpu_data)
         |                  ^
   drivers/devfreq/governor_passive.c:221:10: note: in expansion of macro 'cpu_data'
     221 |   !data->cpu_data[freqs->policy->cpu])
         |          ^~~~~~~~
>> arch/um/include/asm/processor-generic.h:104:18: error: expected identifier before '(' token
     104 | #define cpu_data (&boot_cpu_data)
         |                  ^
   drivers/devfreq/governor_passive.c:224:26: note: in expansion of macro 'cpu_data'
     224 |  parent_cpu_data = data->cpu_data[freqs->policy->cpu];
         |                          ^~~~~~~~
   drivers/devfreq/governor_passive.c: In function 'cpufreq_passive_unregister_notifier':
>> arch/um/include/asm/processor-generic.h:104:18: error: expected identifier before '(' token
     104 | #define cpu_data (&boot_cpu_data)
         |                  ^
   drivers/devfreq/governor_passive.c:258:29: note: in expansion of macro 'cpu_data'
     258 |   parent_cpu_data = p_data->cpu_data[cpu];
         |                             ^~~~~~~~
   drivers/devfreq/governor_passive.c: In function 'cpufreq_passive_register_notifier':
>> arch/um/include/asm/processor-generic.h:104:18: error: expected identifier before '(' token
     104 | #define cpu_data (&boot_cpu_data)
         |                  ^
   drivers/devfreq/governor_passive.c:291:15: note: in expansion of macro 'cpu_data'
     291 |   if (p_data->cpu_data[cpu])
         |               ^~~~~~~~
>> arch/um/include/asm/processor-generic.h:104:18: error: expected identifier before '(' token
     104 | #define cpu_data (&boot_cpu_data)
         |                  ^
   drivers/devfreq/governor_passive.c:331:11: note: in expansion of macro 'cpu_data'
     331 |   p_data->cpu_data[cpu] = parent_cpu_data;
         |           ^~~~~~~~


vim +104 arch/um/include/asm/processor-generic.h

^1da177e4c3f41 include/asm-um/processor-generic.h      Linus Torvalds 2005-04-16  103  
^1da177e4c3f41 include/asm-um/processor-generic.h      Linus Torvalds 2005-04-16 @104  #define cpu_data (&boot_cpu_data)
^1da177e4c3f41 include/asm-um/processor-generic.h      Linus Torvalds 2005-04-16  105  #define current_cpu_data boot_cpu_data
d8fb32f4790f2a arch/um/include/asm/processor-generic.h Anton Ivanov   2021-03-12  106  #define cache_line_size()	(boot_cpu_data.cache_alignment)
^1da177e4c3f41 include/asm-um/processor-generic.h      Linus Torvalds 2005-04-16  107  

:::::: The code at line 104 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

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

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