diff options
| author | Yuyang Du <[email protected]> | 2019-05-06 08:19:24 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2019-06-03 09:55:43 +0000 |
| commit | f6ec8829ac9d59b637366c13038f15d6f6156fe1 (patch) | |
| tree | 66564bff3b185212908d1c4c164d0304af2d9f12 /init/init_task.c | |
| parent | locking/lockdep: Use lockdep_init_task for task initiation consistently (diff) | |
| download | kernel-f6ec8829ac9d59b637366c13038f15d6f6156fe1.tar.gz kernel-f6ec8829ac9d59b637366c13038f15d6f6156fe1.zip | |
locking/lockdep: Define INITIAL_CHAIN_KEY for chain keys to start with
Chain keys are computed using Jenkins hash function, which needs an initial
hash to start with. Dedicate a macro to make this clear and configurable. A
later patch changes this initial chain key.
Signed-off-by: Yuyang Du <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'init/init_task.c')
| -rw-r--r-- | init/init_task.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/init/init_task.c b/init/init_task.c index 1b15cb90d64f..afa6ad795355 100644 --- a/init/init_task.c +++ b/init/init_task.c @@ -167,7 +167,7 @@ struct task_struct init_task #endif #ifdef CONFIG_LOCKDEP .lockdep_depth = 0, /* no locks held yet */ - .curr_chain_key = 0, + .curr_chain_key = INITIAL_CHAIN_KEY, .lockdep_recursion = 0, #endif #ifdef CONFIG_FUNCTION_GRAPH_TRACER |