Re: [PATCH net] udp_tunnel: drop packets when hibernating

[kernel test robot]

Hi Jason,

kernel test robot noticed the following build errors:

[auto build test ERROR on net/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Jason-A-Donenfeld/udp_tunnel-drop-packets-when-hibernating/20261008-144021
base:   net/main
patch link:    https://lore.kernel.org/r/20261008124106.665014-1-Jason%40zx2c4.com
patch subject: [PATCH net] udp_tunnel: drop packets when hibernating
config: parisc-randconfig-1000-20261009 (https://download.01.org/0day-ci/archive/20261009/202610090909.eskhKpxA-lkp@xxxxxxxxx/config)
compiler: hppa-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261009/202610090909.eskhKpxA-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610090909.eskhKpxA-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from include/linux/list.h:11,
                    from include/linux/kobject.h:19,
                    from include/linux/cdev.h:5,
                    from drivers/char/virtio_console.c:7:
   drivers/char/virtio_console.c: In function '__send_to_port':
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   arch/parisc/include/asm/barrier.h:66:18: note: in definition of macro '__smp_load_acquire'
     union { typeof(*p) __val; char __c[1]; } __u;   \
                     ^
   drivers/char/virtio_console.c:636:6: note: in expansion of macro 'smp_load_acquire'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:33: note: in expansion of macro 'pm_freezing'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   arch/parisc/include/asm/barrier.h:67:9: note: in definition of macro '__smp_load_acquire'
     typeof(p) __p = (p);      \
            ^
   drivers/char/virtio_console.c:636:6: note: in expansion of macro 'smp_load_acquire'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:33: note: in expansion of macro 'pm_freezing'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   arch/parisc/include/asm/barrier.h:67:19: note: in definition of macro '__smp_load_acquire'
     typeof(p) __p = (p);      \
                      ^
   drivers/char/virtio_console.c:636:6: note: in expansion of macro 'smp_load_acquire'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:33: note: in expansion of macro 'pm_freezing'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
   In file included from <command-line>:
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   include/linux/compiler_types.h:682:9: note: in definition of macro '__compiletime_assert'
      if (!(condition))     \
            ^~~~~~~~~
   include/linux/compiler_types.h:702:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:2: note: in expansion of macro 'compiletime_assert'
     compiletime_assert(__native_word(t),    \
     ^~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:21: note: in expansion of macro '__native_word'
     compiletime_assert(__native_word(t),    \
                        ^~~~~~~~~~~~~
   arch/parisc/include/asm/barrier.h:68:2: note: in expansion of macro 'compiletime_assert_atomic_type'
     compiletime_assert_atomic_type(*p);    \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
    #define smp_load_acquire(p) __smp_load_acquire(p)
                                ^~~~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:6: note: in expansion of macro 'smp_load_acquire'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:33: note: in expansion of macro 'pm_freezing'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   include/linux/compiler_types.h:682:9: note: in definition of macro '__compiletime_assert'
      if (!(condition))     \
            ^~~~~~~~~
   include/linux/compiler_types.h:702:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:2: note: in expansion of macro 'compiletime_assert'
     compiletime_assert(__native_word(t),    \
     ^~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:21: note: in expansion of macro '__native_word'
     compiletime_assert(__native_word(t),    \
                        ^~~~~~~~~~~~~
   arch/parisc/include/asm/barrier.h:68:2: note: in expansion of macro 'compiletime_assert_atomic_type'
     compiletime_assert_atomic_type(*p);    \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
    #define smp_load_acquire(p) __smp_load_acquire(p)
                                ^~~~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:6: note: in expansion of macro 'smp_load_acquire'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:33: note: in expansion of macro 'pm_freezing'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   include/linux/compiler_types.h:682:9: note: in definition of macro '__compiletime_assert'
      if (!(condition))     \
            ^~~~~~~~~
   include/linux/compiler_types.h:702:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:2: note: in expansion of macro 'compiletime_assert'
     compiletime_assert(__native_word(t),    \
     ^~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:21: note: in expansion of macro '__native_word'
     compiletime_assert(__native_word(t),    \
                        ^~~~~~~~~~~~~
   arch/parisc/include/asm/barrier.h:68:2: note: in expansion of macro 'compiletime_assert_atomic_type'
     compiletime_assert_atomic_type(*p);    \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
    #define smp_load_acquire(p) __smp_load_acquire(p)
                                ^~~~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:6: note: in expansion of macro 'smp_load_acquire'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:33: note: in expansion of macro 'pm_freezing'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   include/linux/compiler_types.h:682:9: note: in definition of macro '__compiletime_assert'
      if (!(condition))     \
            ^~~~~~~~~
   include/linux/compiler_types.h:702:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:2: note: in expansion of macro 'compiletime_assert'
     compiletime_assert(__native_word(t),    \
     ^~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:21: note: in expansion of macro '__native_word'
     compiletime_assert(__native_word(t),    \
                        ^~~~~~~~~~~~~
   arch/parisc/include/asm/barrier.h:68:2: note: in expansion of macro 'compiletime_assert_atomic_type'
     compiletime_assert_atomic_type(*p);    \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
    #define smp_load_acquire(p) __smp_load_acquire(p)
                                ^~~~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:6: note: in expansion of macro 'smp_load_acquire'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:33: note: in expansion of macro 'pm_freezing'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
   In file included from include/linux/list.h:11,
                    from include/linux/kobject.h:19,
                    from include/linux/cdev.h:5,
                    from drivers/char/virtio_console.c:7:
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   arch/parisc/include/asm/barrier.h:69:18: note: in definition of macro '__smp_load_acquire'
     switch (sizeof(*p)) {      \
                     ^
   drivers/char/virtio_console.c:636:6: note: in expansion of macro 'smp_load_acquire'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:636:33: note: in expansion of macro 'pm_freezing'
     if (smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
   drivers/char/virtio_console.c: In function 'put_chars':
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   arch/parisc/include/asm/barrier.h:66:18: note: in definition of macro '__smp_load_acquire'
     union { typeof(*p) __val; char __c[1]; } __u;   \
                     ^
   drivers/char/virtio_console.c:1173:6: note: in expansion of macro 'smp_load_acquire'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:33: note: in expansion of macro 'pm_freezing'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   arch/parisc/include/asm/barrier.h:67:9: note: in definition of macro '__smp_load_acquire'
     typeof(p) __p = (p);      \
            ^
   drivers/char/virtio_console.c:1173:6: note: in expansion of macro 'smp_load_acquire'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:33: note: in expansion of macro 'pm_freezing'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   arch/parisc/include/asm/barrier.h:67:19: note: in definition of macro '__smp_load_acquire'
     typeof(p) __p = (p);      \
                      ^
   drivers/char/virtio_console.c:1173:6: note: in expansion of macro 'smp_load_acquire'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:33: note: in expansion of macro 'pm_freezing'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
   In file included from <command-line>:
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   include/linux/compiler_types.h:682:9: note: in definition of macro '__compiletime_assert'
      if (!(condition))     \
            ^~~~~~~~~
   include/linux/compiler_types.h:702:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:2: note: in expansion of macro 'compiletime_assert'
     compiletime_assert(__native_word(t),    \
     ^~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:21: note: in expansion of macro '__native_word'
     compiletime_assert(__native_word(t),    \
                        ^~~~~~~~~~~~~
   arch/parisc/include/asm/barrier.h:68:2: note: in expansion of macro 'compiletime_assert_atomic_type'
     compiletime_assert_atomic_type(*p);    \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
    #define smp_load_acquire(p) __smp_load_acquire(p)
                                ^~~~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:6: note: in expansion of macro 'smp_load_acquire'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:33: note: in expansion of macro 'pm_freezing'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   include/linux/compiler_types.h:682:9: note: in definition of macro '__compiletime_assert'
      if (!(condition))     \
            ^~~~~~~~~
   include/linux/compiler_types.h:702:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:2: note: in expansion of macro 'compiletime_assert'
     compiletime_assert(__native_word(t),    \
     ^~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:21: note: in expansion of macro '__native_word'
     compiletime_assert(__native_word(t),    \
                        ^~~~~~~~~~~~~
   arch/parisc/include/asm/barrier.h:68:2: note: in expansion of macro 'compiletime_assert_atomic_type'
     compiletime_assert_atomic_type(*p);    \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
    #define smp_load_acquire(p) __smp_load_acquire(p)
                                ^~~~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:6: note: in expansion of macro 'smp_load_acquire'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:33: note: in expansion of macro 'pm_freezing'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   include/linux/compiler_types.h:682:9: note: in definition of macro '__compiletime_assert'
      if (!(condition))     \
            ^~~~~~~~~
   include/linux/compiler_types.h:702:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:2: note: in expansion of macro 'compiletime_assert'
     compiletime_assert(__native_word(t),    \
     ^~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:21: note: in expansion of macro '__native_word'
     compiletime_assert(__native_word(t),    \
                        ^~~~~~~~~~~~~
   arch/parisc/include/asm/barrier.h:68:2: note: in expansion of macro 'compiletime_assert_atomic_type'
     compiletime_assert_atomic_type(*p);    \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
    #define smp_load_acquire(p) __smp_load_acquire(p)
                                ^~~~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:6: note: in expansion of macro 'smp_load_acquire'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:33: note: in expansion of macro 'pm_freezing'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   include/linux/compiler_types.h:682:9: note: in definition of macro '__compiletime_assert'
      if (!(condition))     \
            ^~~~~~~~~
   include/linux/compiler_types.h:702:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:2: note: in expansion of macro 'compiletime_assert'
     compiletime_assert(__native_word(t),    \
     ^~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:705:21: note: in expansion of macro '__native_word'
     compiletime_assert(__native_word(t),    \
                        ^~~~~~~~~~~~~
   arch/parisc/include/asm/barrier.h:68:2: note: in expansion of macro 'compiletime_assert_atomic_type'
     compiletime_assert_atomic_type(*p);    \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
    #define smp_load_acquire(p) __smp_load_acquire(p)
                                ^~~~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:6: note: in expansion of macro 'smp_load_acquire'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:33: note: in expansion of macro 'pm_freezing'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
   In file included from include/linux/list.h:11,
                    from include/linux/kobject.h:19,
                    from include/linux/cdev.h:5,
                    from drivers/char/virtio_console.c:7:
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   arch/parisc/include/asm/barrier.h:69:18: note: in definition of macro '__smp_load_acquire'
     switch (sizeof(*p)) {      \
                     ^
   drivers/char/virtio_console.c:1173:6: note: in expansion of macro 'smp_load_acquire'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
         ^~~~~~~~~~~~~~~~
   drivers/char/virtio_console.c:1173:33: note: in expansion of macro 'pm_freezing'
         smp_load_acquire(&portdev->pm_freezing)) /* pairs with freeze/restore */
                                    ^~~~~~~~~~~
   In file included from drivers/char/virtio_console.c:12:
   drivers/char/virtio_console.c: In function 'virtcons_probe':
>> include/linux/freezer.h:79:21: error: expected identifier before '(' token
    #define pm_freezing (false)
                        ^
   drivers/char/virtio_console.c:2071:11: note: in expansion of macro 'pm_freezing'
     portdev->pm_freezing = false;
              ^~~~~~~~~~~


vim +79 include/linux/freezer.h

    77	
    78	#else /* !CONFIG_FREEZER */
  > 79	#define pm_freezing (false)
    80	static inline bool frozen(struct task_struct *p) { return false; }
    81	static inline bool freezing(struct task_struct *p) { return false; }
    82	static inline void __thaw_task(struct task_struct *t) {}
    83	

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