* [tip:tmp.tmp2 241/364] arch/x86/include/asm/uaccess.h:477:16: error: implicit declaration of function 'in_task'
@ 2021-06-14 2:24 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-06-14 2:24 UTC (permalink / raw)
To: Ingo Molnar; +Cc: kbuild-all, clang-built-linux, linux-kernel, x86
[-- Attachment #1: Type: text/plain, Size: 24762 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tmp.tmp2
head: adcceb5eb7aee38e4a9c15bdf599655f0e1b1324
commit: 5bef49c748201f780b3b15803bb38885eb52480b [241/364] sched/headers, mm: Simplify <linux/swap.h> dependencies
config: x86_64-randconfig-a015-20210613 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d2012d965d60c3258b3a69d024491698f8aec386)
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
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=5bef49c748201f780b3b15803bb38885eb52480b
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 5bef49c748201f780b3b15803bb38885eb52480b
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from kernel/locking/rwsem.c:20:
include/linux/sched.h:459:26: error: field has incomplete type 'struct irqtrace_events'
struct irqtrace_events irqtrace;
^
include/linux/sched.h:459:9: note: forward declaration of 'struct irqtrace_events'
struct irqtrace_events irqtrace;
^
include/linux/sched.h:475:30: error: array has incomplete element type 'struct held_lock'
struct held_lock held_locks[MAX_LOCK_DEPTH];
^
include/linux/sched.h:475:9: note: forward declaration of 'struct held_lock'
struct held_lock held_locks[MAX_LOCK_DEPTH];
^
In file included from kernel/locking/rwsem.c:22:
In file included from include/linux/sched/task.h:11:
In file included from include/linux/uaccess.h:11:
>> arch/x86/include/asm/uaccess.h:477:16: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (unlikely(!access_ok(ptr,len)))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
arch/x86/include/asm/uaccess.h:477:16: note: did you mean 'rt_task'?
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
include/linux/sched/rt.h:16:19: note: 'rt_task' declared here
static inline int rt_task(struct task_struct *p)
^
In file included from kernel/locking/rwsem.c:22:
In file included from include/linux/sched/task.h:11:
In file included from include/linux/uaccess.h:11:
>> arch/x86/include/asm/uaccess.h:477:16: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (unlikely(!access_ok(ptr,len)))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
In file included from kernel/locking/rwsem.c:22:
In file included from include/linux/sched/task.h:11:
>> include/linux/uaccess.h:208:6: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (access_ok(to, n) && access_ok(from, n))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
In file included from kernel/locking/rwsem.c:22:
In file included from include/linux/sched/task.h:11:
include/linux/uaccess.h:208:26: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (access_ok(to, n) && access_ok(from, n))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
6 errors generated.
--
In file included from kernel/locking/lockdep.c:33:
In file included from include/linux/sched/task.h:11:
In file included from include/linux/uaccess.h:11:
>> arch/x86/include/asm/uaccess.h:477:16: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (unlikely(!access_ok(ptr,len)))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
In file included from kernel/locking/lockdep.c:33:
In file included from include/linux/sched/task.h:11:
>> include/linux/uaccess.h:208:6: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (access_ok(to, n) && access_ok(from, n))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
In file included from kernel/locking/lockdep.c:33:
In file included from include/linux/sched/task.h:11:
include/linux/uaccess.h:208:26: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (access_ok(to, n) && access_ok(from, n))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
In file included from kernel/locking/lockdep.c:64:
In file included from include/trace/events/lock.h:87:
In file included from include/trace/define_trace.h:102:
In file included from include/trace/trace_events.h:21:
In file included from include/linux/trace_events.h:10:
In file included from include/linux/perf_event.h:57:
include/linux/cgroup.h:481:9: error: no member named 'flags' in 'struct task_struct'
return task_css_set_check(task, false);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cgroup.h:455:12: note: expanded from macro 'task_css_set_check'
((task)->flags & PF_EXITING) || (__c))
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:510:32: note: expanded from macro 'rcu_dereference_check'
__rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:372:21: note: expanded from macro '__rcu_dereference_check'
RCU_LOCKDEP_WARN(!(c), "suspicious rcu_dereference_check() usage"); \
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:314:52: note: expanded from macro 'RCU_LOCKDEP_WARN'
if (debug_lockdep_rcu_enabled() && !__warned && (c)) { \
^
In file included from kernel/locking/lockdep.c:64:
In file included from include/trace/events/lock.h:87:
In file included from include/trace/define_trace.h:102:
In file included from include/trace/trace_events.h:21:
In file included from include/linux/trace_events.h:10:
In file included from include/linux/perf_event.h:57:
include/linux/cgroup.h:494:9: error: no member named 'flags' in 'struct task_struct'
return task_css_check(task, subsys_id, false);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cgroup.h:471:2: note: expanded from macro 'task_css_check'
task_css_set_check((task), (__c))->subsys[(subsys_id)]
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cgroup.h:455:12: note: expanded from macro 'task_css_set_check'
((task)->flags & PF_EXITING) || (__c))
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:510:32: note: expanded from macro 'rcu_dereference_check'
__rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:372:21: note: expanded from macro '__rcu_dereference_check'
RCU_LOCKDEP_WARN(!(c), "suspicious rcu_dereference_check() usage"); \
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:314:52: note: expanded from macro 'RCU_LOCKDEP_WARN'
if (debug_lockdep_rcu_enabled() && !__warned && (c)) { \
^
In file included from kernel/locking/lockdep.c:64:
In file included from include/trace/events/lock.h:87:
In file included from include/trace/define_trace.h:102:
In file included from include/trace/trace_events.h:21:
In file included from include/linux/trace_events.h:10:
In file included from include/linux/perf_event.h:57:
include/linux/cgroup.h:538:9: error: no member named 'flags' in 'struct task_struct'
return task_css_check(task, subsys_id, true) ==
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cgroup.h:471:2: note: expanded from macro 'task_css_check'
task_css_set_check((task), (__c))->subsys[(subsys_id)]
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cgroup.h:455:12: note: expanded from macro 'task_css_set_check'
((task)->flags & PF_EXITING) || (__c))
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:510:32: note: expanded from macro 'rcu_dereference_check'
__rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:372:21: note: expanded from macro '__rcu_dereference_check'
RCU_LOCKDEP_WARN(!(c), "suspicious rcu_dereference_check() usage"); \
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:314:52: note: expanded from macro 'RCU_LOCKDEP_WARN'
if (debug_lockdep_rcu_enabled() && !__warned && (c)) { \
^
In file included from kernel/locking/lockdep.c:64:
In file included from include/trace/events/lock.h:87:
In file included from include/trace/define_trace.h:102:
In file included from include/trace/trace_events.h:21:
In file included from include/linux/trace_events.h:10:
include/linux/perf_event.h:943:22: error: no member named 'flags' in 'struct task_struct'
return container_of(task_css_check(task, perf_event_cgrp_id,
~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cgroup.h:471:2: note: expanded from macro 'task_css_check'
task_css_set_check((task), (__c))->subsys[(subsys_id)]
^
include/linux/cgroup.h:455:12: note: expanded from macro 'task_css_set_check'
--
In file included from mm/kasan/common.c:14:
In file included from include/linux/kasan.h:28:
In file included from include/linux/pgtable.h:6:
In file included from arch/x86/include/asm/pgtable.h:26:
In file included from arch/x86/include/asm/fpu/xstate.h:5:
In file included from include/linux/uaccess.h:11:
>> arch/x86/include/asm/uaccess.h:477:16: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (unlikely(!access_ok(ptr,len)))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
In file included from mm/kasan/common.c:14:
In file included from include/linux/kasan.h:28:
In file included from include/linux/pgtable.h:6:
In file included from arch/x86/include/asm/pgtable.h:26:
In file included from arch/x86/include/asm/fpu/xstate.h:5:
>> include/linux/uaccess.h:208:6: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (access_ok(to, n) && access_ok(from, n))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
In file included from mm/kasan/common.c:14:
In file included from include/linux/kasan.h:28:
In file included from include/linux/pgtable.h:6:
In file included from arch/x86/include/asm/pgtable.h:26:
In file included from arch/x86/include/asm/fpu/xstate.h:5:
include/linux/uaccess.h:208:26: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (access_ok(to, n) && access_ok(from, n))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
In file included from mm/kasan/common.c:31:
In file included from mm/kasan/../slab.h:43:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:17:
include/linux/cgroup.h:481:9: error: no member named 'flags' in 'struct task_struct'
return task_css_set_check(task, false);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cgroup.h:455:12: note: expanded from macro 'task_css_set_check'
((task)->flags & PF_EXITING) || (__c))
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:510:32: note: expanded from macro 'rcu_dereference_check'
__rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:372:21: note: expanded from macro '__rcu_dereference_check'
RCU_LOCKDEP_WARN(!(c), "suspicious rcu_dereference_check() usage"); \
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:314:52: note: expanded from macro 'RCU_LOCKDEP_WARN'
if (debug_lockdep_rcu_enabled() && !__warned && (c)) { \
^
In file included from mm/kasan/common.c:31:
In file included from mm/kasan/../slab.h:43:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:17:
include/linux/cgroup.h:494:9: error: no member named 'flags' in 'struct task_struct'
return task_css_check(task, subsys_id, false);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cgroup.h:471:2: note: expanded from macro 'task_css_check'
task_css_set_check((task), (__c))->subsys[(subsys_id)]
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cgroup.h:455:12: note: expanded from macro 'task_css_set_check'
((task)->flags & PF_EXITING) || (__c))
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:510:32: note: expanded from macro 'rcu_dereference_check'
__rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:372:21: note: expanded from macro '__rcu_dereference_check'
RCU_LOCKDEP_WARN(!(c), "suspicious rcu_dereference_check() usage"); \
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:314:52: note: expanded from macro 'RCU_LOCKDEP_WARN'
if (debug_lockdep_rcu_enabled() && !__warned && (c)) { \
^
In file included from mm/kasan/common.c:31:
In file included from mm/kasan/../slab.h:43:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:17:
include/linux/cgroup.h:538:9: error: no member named 'flags' in 'struct task_struct'
return task_css_check(task, subsys_id, true) ==
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cgroup.h:471:2: note: expanded from macro 'task_css_check'
task_css_set_check((task), (__c))->subsys[(subsys_id)]
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/cgroup.h:455:12: note: expanded from macro 'task_css_set_check'
((task)->flags & PF_EXITING) || (__c))
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:510:32: note: expanded from macro 'rcu_dereference_check'
__rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:372:21: note: expanded from macro '__rcu_dereference_check'
RCU_LOCKDEP_WARN(!(c), "suspicious rcu_dereference_check() usage"); \
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/rcupdate.h:314:52: note: expanded from macro 'RCU_LOCKDEP_WARN'
if (debug_lockdep_rcu_enabled() && !__warned && (c)) { \
^
6 errors generated.
--
In file included from mm/kasan/shadow.c:14:
In file included from include/linux/kasan.h:28:
In file included from include/linux/pgtable.h:6:
In file included from arch/x86/include/asm/pgtable.h:26:
In file included from arch/x86/include/asm/fpu/xstate.h:5:
In file included from include/linux/uaccess.h:11:
>> arch/x86/include/asm/uaccess.h:477:16: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (unlikely(!access_ok(ptr,len)))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
In file included from mm/kasan/shadow.c:14:
In file included from include/linux/kasan.h:28:
In file included from include/linux/pgtable.h:6:
In file included from arch/x86/include/asm/pgtable.h:26:
In file included from arch/x86/include/asm/fpu/xstate.h:5:
>> include/linux/uaccess.h:208:6: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (access_ok(to, n) && access_ok(from, n))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
In file included from mm/kasan/shadow.c:14:
In file included from include/linux/kasan.h:28:
In file included from include/linux/pgtable.h:6:
In file included from arch/x86/include/asm/pgtable.h:26:
In file included from arch/x86/include/asm/fpu/xstate.h:5:
include/linux/uaccess.h:208:26: error: implicit declaration of function 'in_task' [-Werror,-Wimplicit-function-declaration]
if (access_ok(to, n) && access_ok(from, n))
^
arch/x86/include/asm/uaccess.h:72:2: note: expanded from macro 'access_ok'
WARN_ON_IN_IRQ(); \
^
arch/x86/include/asm/uaccess.h:48:16: note: expanded from macro 'WARN_ON_IN_IRQ'
WARN_ON_ONCE(!in_task() && !pagefault_disabled())
^
3 errors generated.
..
vim +/in_task +477 arch/x86/include/asm/uaccess.h
ca23386216b9d4 include/asm-x86/uaccess.h Glauber Costa 2008-06-13 468
5b24a7a2aa2040 arch/x86/include/asm/uaccess.h Linus Torvalds 2015-12-17 469 /*
5b24a7a2aa2040 arch/x86/include/asm/uaccess.h Linus Torvalds 2015-12-17 470 * The "unsafe" user accesses aren't really "unsafe", but the naming
5b24a7a2aa2040 arch/x86/include/asm/uaccess.h Linus Torvalds 2015-12-17 471 * is a big fat warning: you have to not only do the access_ok()
5b24a7a2aa2040 arch/x86/include/asm/uaccess.h Linus Torvalds 2015-12-17 472 * checking before using them, but you have to surround them with the
5b24a7a2aa2040 arch/x86/include/asm/uaccess.h Linus Torvalds 2015-12-17 473 * user_access_begin/end() pair.
5b24a7a2aa2040 arch/x86/include/asm/uaccess.h Linus Torvalds 2015-12-17 474 */
b7f89bfe52cd52 arch/x86/include/asm/uaccess.h Peter Zijlstra 2019-04-03 475 static __must_check __always_inline bool user_access_begin(const void __user *ptr, size_t len)
594cc251fdd0d2 arch/x86/include/asm/uaccess.h Linus Torvalds 2019-01-04 476 {
594cc251fdd0d2 arch/x86/include/asm/uaccess.h Linus Torvalds 2019-01-04 @477 if (unlikely(!access_ok(ptr,len)))
594cc251fdd0d2 arch/x86/include/asm/uaccess.h Linus Torvalds 2019-01-04 478 return 0;
6e693b3ffecb0b arch/x86/include/asm/uaccess.h Will Deacon 2019-01-19 479 __uaccess_begin_nospec();
594cc251fdd0d2 arch/x86/include/asm/uaccess.h Linus Torvalds 2019-01-04 480 return 1;
594cc251fdd0d2 arch/x86/include/asm/uaccess.h Linus Torvalds 2019-01-04 481 }
594cc251fdd0d2 arch/x86/include/asm/uaccess.h Linus Torvalds 2019-01-04 482 #define user_access_begin(a,b) user_access_begin(a,b)
5b24a7a2aa2040 arch/x86/include/asm/uaccess.h Linus Torvalds 2015-12-17 483 #define user_access_end() __uaccess_end()
5b24a7a2aa2040 arch/x86/include/asm/uaccess.h Linus Torvalds 2015-12-17 484
:::::: The code at line 477 was first introduced by commit
:::::: 594cc251fdd0d231d342d88b2fdff4bc42fb0690 make 'user_access_begin()' do 'access_ok()'
:::::: TO: Linus Torvalds <torvalds@linux-foundation.org>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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