diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/srcu.h | 6 | ||||
| -rw-r--r-- | include/linux/srcutree.h | 6 |
2 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 08339eb8a01c..da8224d0f71c 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -43,6 +43,12 @@ int init_srcu_struct(struct srcu_struct *ssp); #define __SRCU_DEP_MAP_INIT(srcu_name) #endif /* #else #ifdef CONFIG_DEBUG_LOCK_ALLOC */ +/* Values for SRCU Tree srcu_data ->srcu_reader_flavor, but also used by rcutorture. */ +#define SRCU_READ_FLAVOR_NORMAL 0x1 // srcu_read_lock(). +#define SRCU_READ_FLAVOR_NMI 0x2 // srcu_read_lock_nmisafe(). +#define SRCU_READ_FLAVOR_LITE 0x4 // srcu_read_lock_lite(). +#define SRCU_READ_FLAVOR_ALL 0x7 // All of the above. + #ifdef CONFIG_TINY_SRCU #include <linux/srcutiny.h> #elif defined(CONFIG_TREE_SRCU) diff --git a/include/linux/srcutree.h b/include/linux/srcutree.h index 490aeecc6bb4..80016bbed672 100644 --- a/include/linux/srcutree.h +++ b/include/linux/srcutree.h @@ -26,6 +26,7 @@ struct srcu_data { atomic_long_t srcu_lock_count[2]; /* Locks per CPU. */ atomic_long_t srcu_unlock_count[2]; /* Unlocks per CPU. */ int srcu_reader_flavor; /* Reader flavor for srcu_struct structure? */ + /* Values: SRCU_READ_FLAVOR_.* */ /* Update-side state. */ spinlock_t __private lock ____cacheline_internodealigned_in_smp; @@ -43,11 +44,6 @@ struct srcu_data { struct srcu_struct *ssp; }; -/* Values for ->srcu_reader_flavor. */ -#define SRCU_READ_FLAVOR_NORMAL 0x1 // srcu_read_lock(). -#define SRCU_READ_FLAVOR_NMI 0x2 // srcu_read_lock_nmisafe(). -#define SRCU_READ_FLAVOR_LITE 0x4 // srcu_read_lock_lite(). - /* * Node in SRCU combining tree, similar in function to rcu_data. */ |