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authorPaul E. McKenney <paulmck@kernel.org>2023-12-05 05:34:58 +0100
committerBoqun Feng <boqun.feng@gmail.com>2024-02-14 16:53:50 +0100
commit3b239b308e94ce6c65f6646d251edb737b82e716 (patch)
tree41d7ea0f414a5e917bd23fa98adce0c1fe51816f /kernel/context_tracking.c
parentdoc: Add EARLY flag to early-parsed kernel boot parameters (diff)
downloadlinux-3b239b308e94ce6c65f6646d251edb737b82e716.tar.xz
linux-3b239b308e94ce6c65f6646d251edb737b82e716.zip
context_tracking: Fix kerneldoc headers for __ct_user_{enter,exit}()
Document the "state" parameter of both of these functions. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202312041922.YZCcEPYD-lkp@intel.com/ Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Cc: Frederic Weisbecker <frederic@kernel.org> Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Diffstat (limited to 'kernel/context_tracking.c')
-rw-r--r--kernel/context_tracking.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
index 6ef0b35fc28c..70ae70d03823 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,