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Message-ID: <202106140540.F15ZjIJ2-lkp@intel.com>
Date: Mon, 14 Jun 2021 05:58:44 +0800
From: kernel test robot <lkp@...el.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
x86@...nel.org
Subject: [tip:tmp.tmp2 42/364]
arch/powerpc/include/asm/book3s/64/kup.h:217:26: error: request for member
'regs' in something not a structure or union
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tmp.tmp2
head: adcceb5eb7aee38e4a9c15bdf599655f0e1b1324
commit: 0e04b3ebeb185beeb77ebc6f70f6a5eef9ecdb3d [42/364] sched/headers: Convert task_struct::thread to a per_task() field
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
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/tip/tip.git/commit/?id=0e04b3ebeb185beeb77ebc6f70f6a5eef9ecdb3d
git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
git fetch --no-tags tip tmp.tmp2
git checkout 0e04b3ebeb185beeb77ebc6f70f6a5eef9ecdb3d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc
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 >>):
| ^~~~~~~~~
include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int')
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~
include/linux/compiler_types.h:308:9: note: in definition of macro '__compiletime_assert'
308 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:2: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:21: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:2: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE'
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~~~~~~~~
include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int')
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~
include/linux/compiler_types.h:308:9: note: in definition of macro '__compiletime_assert'
308 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:2: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:2: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE'
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~~~~~~~~
include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int')
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~
include/linux/compiler_types.h:279:13: note: in definition of macro '__unqual_scalar_typeof'
279 | _Generic((x), \
| ^
include/asm-generic/rwonce.h:50:2: note: in expansion of macro '__READ_ONCE'
50 | __READ_ONCE(x); \
| ^~~~~~~~~~~
include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE'
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~~~~~~~~
In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
from include/linux/compiler.h:248,
from include/asm-generic/div64.h:27,
from ./arch/powerpc/include/generated/asm/div64.h:1,
from include/linux/math64.h:7,
from include/linux/time.h:6,
from include/linux/compat.h:10,
from arch/powerpc/kernel/asm-offsets.c:14:
include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int')
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~
include/asm-generic/rwonce.h:44:72: note: in definition of macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE'
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~~~~~~~~
In file included from ./arch/powerpc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:80,
from include/linux/spinlock.h:53,
from include/linux/wait.h:12,
from include/linux/wait_bit.h:8,
from include/linux/fs.h:8,
from include/linux/compat.h:17,
from arch/powerpc/kernel/asm-offsets.c:14:
include/asm-generic/preempt.h: In function 'preempt_count_ptr':
include/asm-generic/preempt.h:16:31: error: invalid type argument of '->' (have 'int')
16 | return ¤t_thread_info()->preempt_count;
| ^~
include/asm-generic/preempt.h: In function '__preempt_count_dec_and_test':
include/asm-generic/preempt.h:69:36: error: implicit declaration of function 'tif_need_resched' [-Werror=implicit-function-declaration]
69 | return !--*preempt_count_ptr() && tif_need_resched();
| ^~~~~~~~~~~~~~~~
In file included from arch/powerpc/include/asm/kup.h:18,
from arch/powerpc/include/asm/uaccess.h:9,
from include/linux/uaccess.h:12,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:11,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:35,
from include/linux/compat.h:17,
from arch/powerpc/kernel/asm-offsets.c:14:
arch/powerpc/include/asm/book3s/64/kup.h: In function 'current_thread_amr':
arch/powerpc/include/asm/book3s/64/kup.h:217:6: error: implicit declaration of function 'task_thread'; did you mean 'start_thread'? [-Werror=implicit-function-declaration]
217 | if (task_thread(current).regs)
| ^~~~~~~~~~~
| start_thread
>> arch/powerpc/include/asm/book3s/64/kup.h:217:26: error: request for member 'regs' in something not a structure or union
217 | if (task_thread(current).regs)
| ^
arch/powerpc/include/asm/book3s/64/kup.h:218:30: error: request for member 'regs' in something not a structure or union
218 | return task_thread(current).regs->amr;
| ^
arch/powerpc/include/asm/book3s/64/kup.h: In function 'current_thread_iamr':
arch/powerpc/include/asm/book3s/64/kup.h:224:26: error: request for member 'regs' in something not a structure or union
224 | if (task_thread(current).regs)
| ^
arch/powerpc/include/asm/book3s/64/kup.h:225:30: error: request for member 'regs' in something not a structure or union
225 | return task_thread(current).regs->iamr;
| ^
In file included from <command-line>:
include/linux/sched/task.h: In function 'arch_thread_struct_whitelist':
include/linux/compiler_types.h:140:35: error: 'struct task_struct' has no member named 'thread'
140 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
| ^~~~~~~~~~~~~~~~~~
include/linux/stddef.h:17:32: note: in expansion of macro '__compiler_offsetof'
17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~~
include/linux/sched/task.h:140:34: note: in expansion of macro 'offsetof'
140 | *size = arch_task_struct_size - offsetof(struct task_struct, thread);
| ^~~~~~~~
In file included from include/linux/sched/signal.h:12,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:35,
from include/linux/compat.h:17,
from arch/powerpc/kernel/asm-offsets.c:14:
include/linux/sched/thread_info_api.h: At top level:
include/linux/sched/thread_info_api.h:38:35: error: conflicting types for 'current_thread_info'
38 | static inline struct thread_info *current_thread_info(void)
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/thread_info.h:50,
from include/linux/uio.h:9,
from include/linux/socket.h:8,
from include/linux/compat.h:15,
from arch/powerpc/kernel/asm-offsets.c:14:
arch/powerpc/include/asm/thread_info.h:156:27: note: previous implicit declaration of 'current_thread_info' was here
156 | struct thread_info *ti = current_thread_info();
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/compat.h:22,
from arch/powerpc/kernel/asm-offsets.c:14:
arch/powerpc/include/asm/compat.h: In function 'arch_compat_alloc_user_space':
arch/powerpc/include/asm/compat.h:99:45: error: request for member 'regs' in something not a structure or union
99 | struct pt_regs *regs = task_thread(current).regs;
| ^
In file included from arch/powerpc/kernel/asm-offsets.c:29:
arch/powerpc/kernel/asm-offsets.c: In function 'main':
include/linux/compiler_types.h:140:35: error: 'struct task_struct' has no member named 'thread'
140 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
| ^~~~~~~~~~~~~~~~~~
include/linux/kbuild.h:6:62: note: in definition of macro 'DEFINE'
6 | asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val))
| ^~~
include/linux/stddef.h:17:32: note: in expansion of macro '__compiler_offsetof'
17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~~
include/linux/kbuild.h:11:14: note: in expansion of macro 'offsetof'
11 | DEFINE(sym, offsetof(struct str, mem))
| ^~~~~~~~
arch/powerpc/kernel/asm-offsets.c:81:2: note: in expansion of macro 'OFFSET'
81 | OFFSET(THREAD, task_struct, thread);
| ^~~~~~
include/linux/compiler_types.h:140:35: error: 'struct task_struct' has no member named 'thread_info'
140 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
| ^~~~~~~~~~~~~~~~~~
include/linux/kbuild.h:6:62: note: in definition of macro 'DEFINE'
6 | asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val))
| ^~~
include/linux/stddef.h:17:32: note: in expansion of macro '__compiler_offsetof'
17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~~
arch/powerpc/kernel/asm-offsets.c:206:6: note: in expansion of macro 'offsetof'
206 | offsetof(struct task_struct, thread_info));
| ^~~~~~~~
cc1: some warnings being treated as errors
--
| ^~~~~~~~~
include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int')
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~
include/linux/compiler_types.h:308:9: note: in definition of macro '__compiletime_assert'
308 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:2: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:21: note: in expansion of macro '__native_word'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:2: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE'
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~~~~~~~~
include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int')
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~
include/linux/compiler_types.h:308:9: note: in definition of macro '__compiletime_assert'
308 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:36:2: note: in expansion of macro 'compiletime_assert'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
include/asm-generic/rwonce.h:49:2: note: in expansion of macro 'compiletime_assert_rwonce_type'
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE'
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~~~~~~~~
include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int')
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~
include/linux/compiler_types.h:279:13: note: in definition of macro '__unqual_scalar_typeof'
279 | _Generic((x), \
| ^
include/asm-generic/rwonce.h:50:2: note: in expansion of macro '__READ_ONCE'
50 | __READ_ONCE(x); \
| ^~~~~~~~~~~
include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE'
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~~~~~~~~
In file included from ./arch/powerpc/include/generated/asm/rwonce.h:1,
from include/linux/compiler.h:248,
from include/asm-generic/div64.h:27,
from ./arch/powerpc/include/generated/asm/div64.h:1,
from include/linux/math64.h:7,
from include/linux/time.h:6,
from include/linux/compat.h:10,
from arch/powerpc/kernel/asm-offsets.c:14:
include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int')
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~
include/asm-generic/rwonce.h:44:72: note: in definition of macro '__READ_ONCE'
44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x))
| ^
include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE'
11 | return READ_ONCE(current_thread_info()->preempt_count);
| ^~~~~~~~~
In file included from ./arch/powerpc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:80,
from include/linux/spinlock.h:53,
from include/linux/wait.h:12,
from include/linux/wait_bit.h:8,
from include/linux/fs.h:8,
from include/linux/compat.h:17,
from arch/powerpc/kernel/asm-offsets.c:14:
include/asm-generic/preempt.h: In function 'preempt_count_ptr':
include/asm-generic/preempt.h:16:31: error: invalid type argument of '->' (have 'int')
16 | return ¤t_thread_info()->preempt_count;
| ^~
include/asm-generic/preempt.h: In function '__preempt_count_dec_and_test':
include/asm-generic/preempt.h:69:36: error: implicit declaration of function 'tif_need_resched' [-Werror=implicit-function-declaration]
69 | return !--*preempt_count_ptr() && tif_need_resched();
| ^~~~~~~~~~~~~~~~
In file included from arch/powerpc/include/asm/kup.h:18,
from arch/powerpc/include/asm/uaccess.h:9,
from include/linux/uaccess.h:12,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:11,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:35,
from include/linux/compat.h:17,
from arch/powerpc/kernel/asm-offsets.c:14:
arch/powerpc/include/asm/book3s/64/kup.h: In function 'current_thread_amr':
arch/powerpc/include/asm/book3s/64/kup.h:217:6: error: implicit declaration of function 'task_thread'; did you mean 'start_thread'? [-Werror=implicit-function-declaration]
217 | if (task_thread(current).regs)
| ^~~~~~~~~~~
| start_thread
>> arch/powerpc/include/asm/book3s/64/kup.h:217:26: error: request for member 'regs' in something not a structure or union
217 | if (task_thread(current).regs)
| ^
arch/powerpc/include/asm/book3s/64/kup.h:218:30: error: request for member 'regs' in something not a structure or union
218 | return task_thread(current).regs->amr;
| ^
arch/powerpc/include/asm/book3s/64/kup.h: In function 'current_thread_iamr':
arch/powerpc/include/asm/book3s/64/kup.h:224:26: error: request for member 'regs' in something not a structure or union
224 | if (task_thread(current).regs)
| ^
arch/powerpc/include/asm/book3s/64/kup.h:225:30: error: request for member 'regs' in something not a structure or union
225 | return task_thread(current).regs->iamr;
| ^
In file included from <command-line>:
include/linux/sched/task.h: In function 'arch_thread_struct_whitelist':
include/linux/compiler_types.h:140:35: error: 'struct task_struct' has no member named 'thread'
140 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
| ^~~~~~~~~~~~~~~~~~
include/linux/stddef.h:17:32: note: in expansion of macro '__compiler_offsetof'
17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~~
include/linux/sched/task.h:140:34: note: in expansion of macro 'offsetof'
140 | *size = arch_task_struct_size - offsetof(struct task_struct, thread);
| ^~~~~~~~
In file included from include/linux/sched/signal.h:12,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:35,
from include/linux/compat.h:17,
from arch/powerpc/kernel/asm-offsets.c:14:
include/linux/sched/thread_info_api.h: At top level:
include/linux/sched/thread_info_api.h:38:35: error: conflicting types for 'current_thread_info'
38 | static inline struct thread_info *current_thread_info(void)
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/thread_info.h:50,
from include/linux/uio.h:9,
from include/linux/socket.h:8,
from include/linux/compat.h:15,
from arch/powerpc/kernel/asm-offsets.c:14:
arch/powerpc/include/asm/thread_info.h:156:27: note: previous implicit declaration of 'current_thread_info' was here
156 | struct thread_info *ti = current_thread_info();
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/compat.h:22,
from arch/powerpc/kernel/asm-offsets.c:14:
arch/powerpc/include/asm/compat.h: In function 'arch_compat_alloc_user_space':
arch/powerpc/include/asm/compat.h:99:45: error: request for member 'regs' in something not a structure or union
99 | struct pt_regs *regs = task_thread(current).regs;
| ^
In file included from arch/powerpc/kernel/asm-offsets.c:29:
arch/powerpc/kernel/asm-offsets.c: In function 'main':
include/linux/compiler_types.h:140:35: error: 'struct task_struct' has no member named 'thread'
140 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
| ^~~~~~~~~~~~~~~~~~
include/linux/kbuild.h:6:62: note: in definition of macro 'DEFINE'
6 | asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val))
| ^~~
include/linux/stddef.h:17:32: note: in expansion of macro '__compiler_offsetof'
17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~~
include/linux/kbuild.h:11:14: note: in expansion of macro 'offsetof'
11 | DEFINE(sym, offsetof(struct str, mem))
| ^~~~~~~~
arch/powerpc/kernel/asm-offsets.c:81:2: note: in expansion of macro 'OFFSET'
81 | OFFSET(THREAD, task_struct, thread);
| ^~~~~~
include/linux/compiler_types.h:140:35: error: 'struct task_struct' has no member named 'thread_info'
140 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
| ^~~~~~~~~~~~~~~~~~
include/linux/kbuild.h:6:62: note: in definition of macro 'DEFINE'
6 | asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val))
| ^~~
include/linux/stddef.h:17:32: note: in expansion of macro '__compiler_offsetof'
17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~~
arch/powerpc/kernel/asm-offsets.c:206:6: note: in expansion of macro 'offsetof'
206 | offsetof(struct task_struct, thread_info));
| ^~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1232: prepare0] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.
..
vim +/regs +217 arch/powerpc/include/asm/book3s/64/kup.h
68b34588e2027f arch/powerpc/include/asm/book3s/64/kup-radix.h Nicholas Piggin 2020-02-26 208
8c511eff182723 arch/powerpc/include/asm/book3s/64/kup.h Aneesh Kumar K.V 2021-02-06 209 /* usage of kthread_use_mm() should inherit the
8c511eff182723 arch/powerpc/include/asm/book3s/64/kup.h Aneesh Kumar K.V 2021-02-06 210 * AMR value of the operating address space. But, the AMR value is
8c511eff182723 arch/powerpc/include/asm/book3s/64/kup.h Aneesh Kumar K.V 2021-02-06 211 * thread-specific and we inherit the address space and not thread
8c511eff182723 arch/powerpc/include/asm/book3s/64/kup.h Aneesh Kumar K.V 2021-02-06 212 * access restrictions. Because of this ignore AMR value when accessing
8c511eff182723 arch/powerpc/include/asm/book3s/64/kup.h Aneesh Kumar K.V 2021-02-06 213 * userspace via kernel thread.
48a8ab4eeb8271 arch/powerpc/include/asm/book3s/64/kup.h Aneesh Kumar K.V 2020-11-27 214 */
48a8ab4eeb8271 arch/powerpc/include/asm/book3s/64/kup.h Aneesh Kumar K.V 2020-11-27 215 static inline u64 current_thread_amr(void)
48a8ab4eeb8271 arch/powerpc/include/asm/book3s/64/kup.h Aneesh Kumar K.V 2020-11-27 216 {
62c86dcbb11b4c arch/powerpc/include/asm/book3s/64/kup.h Ingo Molnar 2021-06-13 @217 if (task_thread(current).regs)
62c86dcbb11b4c arch/powerpc/include/asm/book3s/64/kup.h Ingo Molnar 2021-06-13 218 return task_thread(current).regs->amr;
8c511eff182723 arch/powerpc/include/asm/book3s/64/kup.h Aneesh Kumar K.V 2021-02-06 219 return default_amr;
48a8ab4eeb8271 arch/powerpc/include/asm/book3s/64/kup.h Aneesh Kumar K.V 2020-11-27 220 }
48a8ab4eeb8271 arch/powerpc/include/asm/book3s/64/kup.h Aneesh Kumar K.V 2020-11-27 221
:::::: The code at line 217 was first introduced by commit
:::::: 62c86dcbb11b4cc62b2407dc70e8cefda6e46bfe sched/headers: Automated conversion of task->thread accessors to task_thread()
:::::: TO: Ingo Molnar <mingo@...nel.org>
:::::: CC: Ingo Molnar <mingo@...nel.org>
---
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