diff options
Diffstat (limited to 'kernel/context_tracking.c')
| -rw-r--r-- | kernel/context_tracking.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c index 6ef0b35fc2..70ae70d038 100644 --- a/kernel/context_tracking.c +++ b/kernel/context_tracking.c @@ -458,6 +458,8 @@ static __always_inline void context_tracking_recursion_exit(void) * __ct_user_enter - Inform the context tracking that the CPU is going * to enter user or guest space mode. * + * @state: userspace context-tracking state to enter. + * * This function must be called right before we switch from the kernel * to user or guest space, when it's guaranteed the remaining kernel * instructions to execute won't use any RCU read side critical section @@ -595,6 +597,8 @@ NOKPROBE_SYMBOL(user_enter_callable); * __ct_user_exit - Inform the context tracking that the CPU is * exiting user or guest mode and entering the kernel. * + * @state: userspace context-tracking state being exited from. + * * This function must be called after we entered the kernel from user or * guest space before any use of RCU read side critical section. This * potentially include any high level kernel code like syscalls, exceptions, |