Re: [paulmck-rcu:srcu-cf.2023.03.26a 4/20] kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'

From: Paul E. McKenney
Date: Mon Mar 27 2023 - 21:04:15 EST

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In reply to: kernel test robot: "[paulmck-rcu:srcu-cf.2023.03.26a 4/20] kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'"
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On Mon, Mar 27, 2023 at 03:39:10PM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git srcu-cf.2023.03.26a
> head: 9607cde099a20296cf0234f571d60184f277aa37
> commit: 428843e3b2f64d472d38f68968c532acafe42490 [4/20] srcu: Begin offloading srcu_struct fields to srcu_update
> config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20230327/202303271532.p78iYvzM-lkp@xxxxxxxxx/config)
> compiler: powerpc-linux-gcc (GCC) 12.1.0
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=428843e3b2f64d472d38f68968c532acafe42490
> git remote add paulmck-rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
> git fetch --no-tags paulmck-rcu srcu-cf.2023.03.26a
> git checkout 428843e3b2f64d472d38f68968c532acafe42490
> # save the config file
> mkdir build_dir && cp config build_dir/.config
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash kernel/rcu/
>
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@xxxxxxxxx>
> | Link: https://lore.kernel.org/oe-kbuild-all/202303271532.p78iYvzM-lkp@xxxxxxxxx/
>
> Note: the paulmck-rcu/srcu-cf.2023.03.26a HEAD 9607cde099a20296cf0234f571d60184f277aa37 builds fine.
> It only hurts bisectability.

Good catch! Branch srcu-cf.2023.03.27b should have this straightened out.

Looks like I squashed some fixes into the wrong commits...

Thanx, Paul

> All errors (new ones prefixed by >>):
>
> In file included from include/linux/list.h:11,
> from include/linux/mutex.h:15,
> from kernel/rcu/srcutree.c:19:
> kernel/rcu/srcutree.c: In function 'srcu_module_going':
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> arch/powerpc/include/asm/barrier.h:81:17: note: in definition of macro '__smp_load_acquire'
> 81 | typeof(*p) ___p1 = READ_ONCE(*p); \
> | ^
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> In file included from <command-line>:
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> include/linux/compiler_types.h:377:23: note: in definition of macro '__compiletime_assert'
> 377 | if (!(condition)) \
> | ^~~~~~~~~
> include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
> 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> | ^~~~~~~~~~~~~~~~~~~
> include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
> 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
> | ^~~~~~~~~~~~~~~~~~
> include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
> 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
> | ^~~~~~~~~~~~~
> include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
> 49 | compiletime_assert_rwonce_type(x); \
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> arch/powerpc/include/asm/barrier.h:81:28: note: in expansion of macro 'READ_ONCE'
> 81 | typeof(*p) ___p1 = READ_ONCE(*p); \
> | ^~~~~~~~~
> include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
> 176 | #define smp_load_acquire(p) __smp_load_acquire(p)
> | ^~~~~~~~~~~~~~~~~~
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> include/linux/compiler_types.h:377:23: note: in definition of macro '__compiletime_assert'
> 377 | if (!(condition)) \
> | ^~~~~~~~~
> include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
> 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> | ^~~~~~~~~~~~~~~~~~~
> include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
> 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
> | ^~~~~~~~~~~~~~~~~~
> include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
> 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
> | ^~~~~~~~~~~~~
> include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
> 49 | compiletime_assert_rwonce_type(x); \
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> arch/powerpc/include/asm/barrier.h:81:28: note: in expansion of macro 'READ_ONCE'
> 81 | typeof(*p) ___p1 = READ_ONCE(*p); \
> | ^~~~~~~~~
> include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
> 176 | #define smp_load_acquire(p) __smp_load_acquire(p)
> | ^~~~~~~~~~~~~~~~~~
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> include/linux/compiler_types.h:377:23: note: in definition of macro '__compiletime_assert'
> 377 | if (!(condition)) \
> | ^~~~~~~~~
> include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
> 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> | ^~~~~~~~~~~~~~~~~~~
> include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
> 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
> | ^~~~~~~~~~~~~~~~~~
> include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
> 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
> | ^~~~~~~~~~~~~
> include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
> 49 | compiletime_assert_rwonce_type(x); \
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> arch/powerpc/include/asm/barrier.h:81:28: note: in expansion of macro 'READ_ONCE'
> 81 | typeof(*p) ___p1 = READ_ONCE(*p); \
> | ^~~~~~~~~
> include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
> 176 | #define smp_load_acquire(p) __smp_load_acquire(p)
> | ^~~~~~~~~~~~~~~~~~
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> include/linux/compiler_types.h:377:23: note: in definition of macro '__compiletime_assert'
> 377 | if (!(condition)) \
> | ^~~~~~~~~
> include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
> 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> | ^~~~~~~~~~~~~~~~~~~
> include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
> 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
> | ^~~~~~~~~~~~~~~~~~
> include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word'
> 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
> | ^~~~~~~~~~~~~
> include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
> 49 | compiletime_assert_rwonce_type(x); \
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> arch/powerpc/include/asm/barrier.h:81:28: note: in expansion of macro 'READ_ONCE'
> 81 | typeof(*p) ___p1 = READ_ONCE(*p); \
> | ^~~~~~~~~
> include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
> 176 | #define smp_load_acquire(p) __smp_load_acquire(p)
> | ^~~~~~~~~~~~~~~~~~
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> include/linux/compiler_types.h:377:23: note: in definition of macro '__compiletime_assert'
> 377 | if (!(condition)) \
> | ^~~~~~~~~
> include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
> 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> | ^~~~~~~~~~~~~~~~~~~
> include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert'
> 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
> | ^~~~~~~~~~~~~~~~~~
> include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type'
> 49 | compiletime_assert_rwonce_type(x); \
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> arch/powerpc/include/asm/barrier.h:81:28: note: in expansion of macro 'READ_ONCE'
> 81 | typeof(*p) ___p1 = READ_ONCE(*p); \
> | ^~~~~~~~~
> include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
> 176 | #define smp_load_acquire(p) __smp_load_acquire(p)
> | ^~~~~~~~~~~~~~~~~~
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> include/linux/compiler_types.h:353:27: note: in definition of macro '__unqual_scalar_typeof'
> 353 | _Generic((x), \
> | ^
> include/asm-generic/rwonce.h:50:9: note: in expansion of macro '__READ_ONCE'
> 50 | __READ_ONCE(x); \
> | ^~~~~~~~~~~
> arch/powerpc/include/asm/barrier.h:81:28: note: in expansion of macro 'READ_ONCE'
> 81 | typeof(*p) ___p1 = READ_ONCE(*p); \
> | ^~~~~~~~~
> include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
> 176 | #define smp_load_acquire(p) __smp_load_acquire(p)
> | ^~~~~~~~~~~~~~~~~~
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
> from include/linux/compiler.h:247,
> from include/linux/build_bug.h:5,
> from include/linux/container_of.h:5,
> from include/linux/list.h:5:
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> include/asm-generic/rwonce.h:44:73: note: in definition of macro '__READ_ONCE'
> 44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
> | ^
> arch/powerpc/include/asm/barrier.h:81:28: note: in expansion of macro 'READ_ONCE'
> 81 | typeof(*p) ___p1 = READ_ONCE(*p); \
> | ^~~~~~~~~
> include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
> 176 | #define smp_load_acquire(p) __smp_load_acquire(p)
> | ^~~~~~~~~~~~~~~~~~
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> include/linux/compiler_types.h:377:23: note: in definition of macro '__compiletime_assert'
> 377 | if (!(condition)) \
> | ^~~~~~~~~
> include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
> 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> | ^~~~~~~~~~~~~~~~~~~
> include/linux/compiler_types.h:400:9: note: in expansion of macro 'compiletime_assert'
> 400 | compiletime_assert(__native_word(t), \
> | ^~~~~~~~~~~~~~~~~~
> include/linux/compiler_types.h:400:28: note: in expansion of macro '__native_word'
> 400 | compiletime_assert(__native_word(t), \
> | ^~~~~~~~~~~~~
> arch/powerpc/include/asm/barrier.h:82:9: note: in expansion of macro 'compiletime_assert_atomic_type'
> 82 | compiletime_assert_atomic_type(*p); \
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
> 176 | #define smp_load_acquire(p) __smp_load_acquire(p)
> | ^~~~~~~~~~~~~~~~~~
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> include/linux/compiler_types.h:377:23: note: in definition of macro '__compiletime_assert'
> 377 | if (!(condition)) \
> | ^~~~~~~~~
> include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
> 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> | ^~~~~~~~~~~~~~~~~~~
> include/linux/compiler_types.h:400:9: note: in expansion of macro 'compiletime_assert'
> 400 | compiletime_assert(__native_word(t), \
> | ^~~~~~~~~~~~~~~~~~
> include/linux/compiler_types.h:400:28: note: in expansion of macro '__native_word'
> 400 | compiletime_assert(__native_word(t), \
> | ^~~~~~~~~~~~~
> arch/powerpc/include/asm/barrier.h:82:9: note: in expansion of macro 'compiletime_assert_atomic_type'
> 82 | compiletime_assert_atomic_type(*p); \
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
> 176 | #define smp_load_acquire(p) __smp_load_acquire(p)
> | ^~~~~~~~~~~~~~~~~~
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> include/linux/compiler_types.h:377:23: note: in definition of macro '__compiletime_assert'
> 377 | if (!(condition)) \
> | ^~~~~~~~~
> include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
> 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> | ^~~~~~~~~~~~~~~~~~~
> include/linux/compiler_types.h:400:9: note: in expansion of macro 'compiletime_assert'
> 400 | compiletime_assert(__native_word(t), \
> | ^~~~~~~~~~~~~~~~~~
> include/linux/compiler_types.h:400:28: note: in expansion of macro '__native_word'
> 400 | compiletime_assert(__native_word(t), \
> | ^~~~~~~~~~~~~
> arch/powerpc/include/asm/barrier.h:82:9: note: in expansion of macro 'compiletime_assert_atomic_type'
> 82 | compiletime_assert_atomic_type(*p); \
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
> 176 | #define smp_load_acquire(p) __smp_load_acquire(p)
> | ^~~~~~~~~~~~~~~~~~
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> >> kernel/rcu/srcutree.c:1907:67: error: 'struct srcu_usage' has no member named 'srcu_gp_seq_needed'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~
> include/linux/compiler_types.h:377:23: note: in definition of macro '__compiletime_assert'
> 377 | if (!(condition)) \
> | ^~~~~~~~~
> include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
> 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> | ^~~~~~~~~~~~~~~~~~~
> include/linux/compiler_types.h:400:9: note: in expansion of macro 'compiletime_assert'
> 400 | compiletime_assert(__native_word(t), \
> | ^~~~~~~~~~~~~~~~~~
> include/linux/compiler_types.h:400:28: note: in expansion of macro '__native_word'
> 400 | compiletime_assert(__native_word(t), \
> | ^~~~~~~~~~~~~
> arch/powerpc/include/asm/barrier.h:82:9: note: in expansion of macro 'compiletime_assert_atomic_type'
> 82 | compiletime_assert_atomic_type(*p); \
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> include/asm-generic/barrier.h:176:29: note: in expansion of macro '__smp_load_acquire'
> 176 | #define smp_load_acquire(p) __smp_load_acquire(p)
> | ^~~~~~~~~~~~~~~~~~
> kernel/rcu/srcutree.c:1907:36: note: in expansion of macro 'smp_load_acquire'
> 1907 | if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> | ^~~~~~~~~~~~~~~~
> In file included from arch/powerpc/include/asm/bug.h:159,
> from include/linux/bug.h:5,
> from include/linux/fortify-string.h:5,
> from include/linux/string.h:254,
> from include/linux/bitmap.h:11,
> from include/linux/cpumask.h:12,
> from include/linux/smp.h:13,
> from include/linux/lockdep.h:14,
> from include/linux/mutex.h:17:
> >> kernel/rcu/srcutree.c:1908:49: error: 'struct srcu_usage' has no member named 'sda_is_static'
> 1908 | !WARN_ON_ONCE(!ssp->srcu_sup->sda_is_static))
> | ^~
> include/asm-generic/bug.h:110:32: note: in definition of macro 'WARN_ON_ONCE'
> 110 | int __ret_warn_on = !!(condition); \
> | ^~~~~~~~~
>
>
> vim +1907 kernel/rcu/srcutree.c
>
> fe15b50cdeeebd Paul E. McKenney 2019-04-05 1897
> fe15b50cdeeebd Paul E. McKenney 2019-04-05 1898 /* Clean up any global-scope srcu_struct structures used by this module. */
> fe15b50cdeeebd Paul E. McKenney 2019-04-05 1899 static void srcu_module_going(struct module *mod)
> fe15b50cdeeebd Paul E. McKenney 2019-04-05 1900 {
> fe15b50cdeeebd Paul E. McKenney 2019-04-05 1901 int i;
> 7a8ec79485d274 Paul E. McKenney 2023-03-17 1902 struct srcu_struct *ssp;
> fe15b50cdeeebd Paul E. McKenney 2019-04-05 1903 struct srcu_struct **sspp = mod->srcu_struct_ptrs;
> fe15b50cdeeebd Paul E. McKenney 2019-04-05 1904
> 7a8ec79485d274 Paul E. McKenney 2023-03-17 1905 for (i = 0; i < mod->num_srcu_structs; i++) {
> 7a8ec79485d274 Paul E. McKenney 2023-03-17 1906 ssp = *(sspp++);
> 7a8ec79485d274 Paul E. McKenney 2023-03-17 @1907 if (!rcu_seq_state(smp_load_acquire(&ssp->srcu_sup->srcu_gp_seq_needed)) &&
> 7a8ec79485d274 Paul E. McKenney 2023-03-17 @1908 !WARN_ON_ONCE(!ssp->srcu_sup->sda_is_static))
> 7a8ec79485d274 Paul E. McKenney 2023-03-17 1909 cleanup_srcu_struct(ssp);
> 7a8ec79485d274 Paul E. McKenney 2023-03-17 1910 free_percpu(ssp->sda);
> 7a8ec79485d274 Paul E. McKenney 2023-03-17 1911 }
> fe15b50cdeeebd Paul E. McKenney 2019-04-05 1912 }
> fe15b50cdeeebd Paul E. McKenney 2019-04-05 1913
>
> :::::: The code at line 1907 was first introduced by commit
> :::::: 7a8ec79485d27415fdc6ffb5bcb2d71626e3c8fb srcu: Use static init for statically allocated in-module srcu_struct
>
> :::::: TO: Paul E. McKenney <paulmck@xxxxxxxxxx>
> :::::: CC: Paul E. McKenney <paulmck@xxxxxxxxxx>
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests

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