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Diffstat (limited to 'Documentation/static-keys.txt')
| -rw-r--r-- | Documentation/static-keys.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/static-keys.txt b/Documentation/static-keys.txt index b83dfa1c0602..870b4be3cb11 100644 --- a/Documentation/static-keys.txt +++ b/Documentation/static-keys.txt @@ -149,6 +149,11 @@ static_branch_inc(), will change the branch back to true. Likewise, if the key is initialized false, a 'static_branch_inc()', will change the branch to true. And then a 'static_branch_dec()', will again make the branch false. +The state and the reference count can be retrieved with 'static_key_enabled()' +and 'static_key_count()'. In general, if you use these functions, they +should be protected with the same mutex used around the enable/disable +or increment/decrement function. + Where an array of keys is required, it can be defined as:: DEFINE_STATIC_KEY_ARRAY_TRUE(keys, count); |