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Message-ID: <202205190029.DxLHyh95-lkp@intel.com>
Date:   Thu, 19 May 2022 00:23:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [frederic-dynticks:rcu/context-tracking-v3 14/21]
 include/linux/context_tracking_state.h:38:42: error: 'context_tracking'
 undeclared

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git rcu/context-tracking-v3
head:   339c667118c84314e759bb67eb0ebd8eb292eafb
commit: 7d7866ee3fc460499ec37f49666ada28e24d4cb4 [14/21] rcu/context_tracking: Move dynticks counter to context tracking
config: ia64-buildonly-randconfig-r003-20220518 (https://download.01.org/0day-ci/archive/20220519/202205190029.DxLHyh95-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.3.0
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/frederic/linux-dynticks.git/commit/?id=7d7866ee3fc460499ec37f49666ada28e24d4cb4
        git remote add frederic-dynticks https://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
        git fetch --no-tags frederic-dynticks rcu/context-tracking-v3
        git checkout 7d7866ee3fc460499ec37f49666ada28e24d4cb4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/acpi/ drivers/message/fusion/ kernel/rcu/

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 include/asm-generic/percpu.h:7,
                    from arch/ia64/include/asm/percpu.h:46,
                    from arch/ia64/include/asm/processor.h:76,
                    from arch/ia64/include/asm/thread_info.h:12,
                    from include/linux/thread_info.h:60,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/ia64/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:55,
                    from kernel/rcu/update.c:23:
   include/linux/context_tracking_state.h: In function 'ct_dynticks':
>> include/linux/context_tracking_state.h:38:42: error: 'context_tracking' undeclared (first use in this function)
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                                          ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
     252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
         |                           ^~~~~~~~~~~
   include/linux/context_tracking_state.h:38:28: note: in expansion of macro 'this_cpu_ptr'
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                            ^~~~~~~~~~~~
   include/linux/context_tracking_state.h:38:42: note: each undeclared identifier is reported only once for each function it appears in
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                                          ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
     252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
         |                           ^~~~~~~~~~~
   include/linux/context_tracking_state.h:38:28: note: in expansion of macro 'this_cpu_ptr'
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                            ^~~~~~~~~~~~
   include/linux/context_tracking_state.h: In function 'ct_dynticks_cpu':
   include/linux/context_tracking_state.h:43:52: error: 'context_tracking' undeclared (first use in this function)
      43 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                                    ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/context_tracking_state.h:43:39: note: in expansion of macro 'per_cpu_ptr'
      43 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                       ^~~~~~~~~~~
   include/linux/context_tracking_state.h: In function 'ct_dynticks_cpu_acquire':
   include/linux/context_tracking_state.h:49:52: error: 'context_tracking' undeclared (first use in this function)
      49 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                                    ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/context_tracking_state.h:49:39: note: in expansion of macro 'per_cpu_ptr'
      49 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                       ^~~~~~~~~~~
   In file included from arch/ia64/include/asm/pgtable.h:153,
                    from include/linux/pgtable.h:6,
                    from arch/ia64/include/asm/uaccess.h:40,
                    from include/linux/uaccess.h:11,
                    from arch/ia64/include/asm/sections.h:11,
                    from include/linux/interrupt.h:21,
                    from kernel/rcu/update.c:25:
   arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
   arch/ia64/include/asm/mmu_context.h:127:48: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
     127 |         unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
         |                                                ^~~~~~~
--
   In file included from include/asm-generic/percpu.h:7,
                    from arch/ia64/include/asm/percpu.h:46,
                    from arch/ia64/include/asm/processor.h:76,
                    from arch/ia64/include/asm/thread_info.h:12,
                    from include/linux/thread_info.h:60,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/ia64/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:55,
                    from kernel/rcu/tree.c:23:
   include/linux/context_tracking_state.h: In function 'ct_dynticks':
>> include/linux/context_tracking_state.h:38:42: error: 'context_tracking' undeclared (first use in this function)
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                                          ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
     252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
         |                           ^~~~~~~~~~~
   include/linux/context_tracking_state.h:38:28: note: in expansion of macro 'this_cpu_ptr'
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                            ^~~~~~~~~~~~
   include/linux/context_tracking_state.h:38:42: note: each undeclared identifier is reported only once for each function it appears in
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                                          ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
     252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
         |                           ^~~~~~~~~~~
   include/linux/context_tracking_state.h:38:28: note: in expansion of macro 'this_cpu_ptr'
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                            ^~~~~~~~~~~~
   include/linux/context_tracking_state.h: In function 'ct_dynticks_cpu':
   include/linux/context_tracking_state.h:43:52: error: 'context_tracking' undeclared (first use in this function)
      43 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                                    ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/context_tracking_state.h:43:39: note: in expansion of macro 'per_cpu_ptr'
      43 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                       ^~~~~~~~~~~
   include/linux/context_tracking_state.h: In function 'ct_dynticks_cpu_acquire':
   include/linux/context_tracking_state.h:49:52: error: 'context_tracking' undeclared (first use in this function)
      49 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                                    ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/context_tracking_state.h:49:39: note: in expansion of macro 'per_cpu_ptr'
      49 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                       ^~~~~~~~~~~
   In file included from arch/ia64/include/asm/pgtable.h:153,
                    from include/linux/pgtable.h:6,
                    from arch/ia64/include/asm/uaccess.h:40,
                    from include/linux/uaccess.h:11,
                    from arch/ia64/include/asm/sections.h:11,
                    from include/linux/interrupt.h:21,
                    from kernel/rcu/tree.c:26:
   arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
   arch/ia64/include/asm/mmu_context.h:127:48: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
     127 |         unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
         |                                                ^~~~~~~
   In file included from arch/ia64/include/asm/intrinsics.h:11,
                    from arch/ia64/include/asm/bitops.h:19,
                    from include/linux/bitops.h:33,
                    from include/linux/kernel.h:22,
                    from kernel/rcu/tree.c:21:
   kernel/rcu/tree.c: In function 'rcu_dynticks_inc':
>> kernel/rcu/tree.c:270:60: error: 'context_tracking' undeclared (first use in this function)
     270 |         return arch_atomic_add_return(incby, this_cpu_ptr(&context_tracking.dynticks));
         |                                                            ^~~~~~~~~~~~~~~~
   arch/ia64/include/uapi/asm/intrinsics.h:59:31: note: in definition of macro 'ia64_fetchadd'
      59 |         volatile __typeof__(*(v)) *_v = (v);                                            \
         |                               ^
   arch/ia64/include/asm/atomic.h:81:19: note: in expansion of macro 'ia64_fetch_and_add'
      81 |                 ? ia64_fetch_and_add(__ia64_aar_i, &(v)->counter)       \
         |                   ^~~~~~~~~~~~~~~~~~
   kernel/rcu/tree.c:270:16: note: in expansion of macro 'arch_atomic_add_return'
     270 |         return arch_atomic_add_return(incby, this_cpu_ptr(&context_tracking.dynticks));
         |                ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:241:9: note: in expansion of macro '__verify_pcpu_ptr'
     241 |         __verify_pcpu_ptr(ptr);                                         \
         |         ^~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
     252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
         |                           ^~~~~~~~~~~
   kernel/rcu/tree.c:270:46: note: in expansion of macro 'this_cpu_ptr'
     270 |         return arch_atomic_add_return(incby, this_cpu_ptr(&context_tracking.dynticks));
         |                                              ^~~~~~~~~~~~
   In file included from <command-line>:
   kernel/rcu/tree.c: In function 'rcu_dynticks_curr_cpu_in_eqs':
   kernel/rcu/tree.c:338:49: error: 'context_tracking' undeclared (first use in this function)
     338 |         return !(arch_atomic_read(this_cpu_ptr(&context_tracking.dynticks)) & 0x1);
         |                                                 ^~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:332:23: note: in definition of macro '__compiletime_assert'
     332 |                 if (!(condition))                                       \
         |                       ^~~~~~~~~
   include/linux/compiler_types.h:352:9: note: in expansion of macro '_compiletime_assert'
     352 |         _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/ia64/include/asm/atomic.h:24:33: note: in expansion of macro 'READ_ONCE'
      24 | #define arch_atomic_read(v)     READ_ONCE((v)->counter)
         |                                 ^~~~~~~~~
   kernel/rcu/tree.c:338:18: note: in expansion of macro 'arch_atomic_read'
     338 |         return !(arch_atomic_read(this_cpu_ptr(&context_tracking.dynticks)) & 0x1);
         |                  ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:241:9: note: in expansion of macro '__verify_pcpu_ptr'
     241 |         __verify_pcpu_ptr(ptr);                                         \
         |         ^~~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
     252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
         |                           ^~~~~~~~~~~
   kernel/rcu/tree.c:338:35: note: in expansion of macro 'this_cpu_ptr'
     338 |         return !(arch_atomic_read(this_cpu_ptr(&context_tracking.dynticks)) & 0x1);
         |                                   ^~~~~~~~~~~~
   In file included from include/asm-generic/percpu.h:7,
                    from arch/ia64/include/asm/percpu.h:46,
                    from arch/ia64/include/asm/processor.h:76,
                    from arch/ia64/include/asm/thread_info.h:12,
                    from include/linux/thread_info.h:60,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/ia64/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:55,
                    from kernel/rcu/tree.c:23:
   kernel/rcu/tree.c: In function 'rcu_eqs_enter':
   kernel/rcu/tree.c:617:53: error: 'context_tracking' undeclared (first use in this function)
     617 |         struct context_tracking *ct = this_cpu_ptr(&context_tracking);
         |                                                     ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
     252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
         |                           ^~~~~~~~~~~
   kernel/rcu/tree.c:617:39: note: in expansion of macro 'this_cpu_ptr'
     617 |         struct context_tracking *ct = this_cpu_ptr(&context_tracking);
         |                                       ^~~~~~~~~~~~
   kernel/rcu/tree.c: In function 'rcu_nmi_exit':
   kernel/rcu/tree.c:747:53: error: 'context_tracking' undeclared (first use in this function)
     747 |         struct context_tracking *ct = this_cpu_ptr(&context_tracking);
         |                                                     ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
     252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
         |                           ^~~~~~~~~~~
   kernel/rcu/tree.c:747:39: note: in expansion of macro 'this_cpu_ptr'
     747 |         struct context_tracking *ct = this_cpu_ptr(&context_tracking);
         |                                       ^~~~~~~~~~~~
   kernel/rcu/tree.c: In function 'rcu_eqs_exit':
   kernel/rcu/tree.c:816:53: error: 'context_tracking' undeclared (first use in this function)
     816 |         struct context_tracking *ct = this_cpu_ptr(&context_tracking);
         |                                                     ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
     252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
--
   In file included from arch/ia64/include/asm/pgtable.h:153,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:29,
                    from drivers/acpi/osl.c:17:
   arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
   arch/ia64/include/asm/mmu_context.h:127:48: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
     127 |         unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
         |                                                ^~~~~~~
   In file included from include/asm-generic/percpu.h:7,
                    from arch/ia64/include/asm/percpu.h:46,
                    from arch/ia64/include/asm/processor.h:76,
                    from arch/ia64/include/asm/timex.h:15,
                    from include/linux/timex.h:65,
                    from include/linux/time32.h:13,
                    from include/linux/time.h:60,
                    from include/linux/stat.h:19,
                    from include/linux/module.h:13,
                    from drivers/acpi/osl.c:14:
   include/linux/context_tracking_state.h: In function 'ct_dynticks':
>> include/linux/context_tracking_state.h:38:42: error: 'context_tracking' undeclared (first use in this function)
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                                          ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
     252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
         |                           ^~~~~~~~~~~
   include/linux/context_tracking_state.h:38:28: note: in expansion of macro 'this_cpu_ptr'
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                            ^~~~~~~~~~~~
   include/linux/context_tracking_state.h:38:42: note: each undeclared identifier is reported only once for each function it appears in
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                                          ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/percpu-defs.h:252:27: note: in expansion of macro 'raw_cpu_ptr'
     252 | #define this_cpu_ptr(ptr) raw_cpu_ptr(ptr)
         |                           ^~~~~~~~~~~
   include/linux/context_tracking_state.h:38:28: note: in expansion of macro 'this_cpu_ptr'
      38 |         return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
         |                            ^~~~~~~~~~~~
   include/linux/context_tracking_state.h: In function 'ct_dynticks_cpu':
   include/linux/context_tracking_state.h:43:52: error: 'context_tracking' undeclared (first use in this function)
      43 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                                    ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/context_tracking_state.h:43:39: note: in expansion of macro 'per_cpu_ptr'
      43 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                       ^~~~~~~~~~~
   include/linux/context_tracking_state.h: In function 'ct_dynticks_cpu_acquire':
   include/linux/context_tracking_state.h:49:52: error: 'context_tracking' undeclared (first use in this function)
      49 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                                    ^~~~~~~~~~~~~~~~
   include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
     219 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/context_tracking_state.h:49:39: note: in expansion of macro 'per_cpu_ptr'
      49 |         struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
         |                                       ^~~~~~~~~~~
   drivers/acpi/osl.c: In function 'acpi_os_vprintf':
   drivers/acpi/osl.c:157:9: warning: function 'acpi_os_vprintf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
     157 |         vsprintf(buffer, fmt, args);
         |         ^~~~~~~~
..

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for CONTEXT_TRACKING_IDLE
   Depends on GENERIC_CLOCKEVENTS
   Selected by
   - TREE_RCU


vim +/context_tracking +38 include/linux/context_tracking_state.h

    34	
    35	#ifdef CONFIG_CONTEXT_TRACKING_IDLE
    36	static __always_inline int ct_dynticks(void)
    37	{
  > 38		return atomic_read(this_cpu_ptr(&context_tracking.dynticks));
    39	}
    40	

-- 
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