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author | Jonathan Corbet <corbet@lwn.net> | 2015-09-15 01:11:05 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2015-09-15 07:12:06 +0200 |
commit | 1975dbc276c6ab62230cf4f9df5ddc9ff0e0e473 (patch) | |
tree | f13ac478fa45144b8b6a4b93284760fd7bf5d78c | |
parent | locking/qspinlock/x86: Only emit the test-and-set fallback when building gues... (diff) | |
download | linux-1975dbc276c6ab62230cf4f9df5ddc9ff0e0e473.tar.xz linux-1975dbc276c6ab62230cf4f9df5ddc9ff0e0e473.zip |
locking/static_keys: Fix up the static keys documentation
Fix a few small mistakes in the static key documentation and
delete an unneeded sentence.
Suggested-by: Jason Baron <jbaron@akamai.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20150914171105.511e1e21@lwn.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r-- | Documentation/static-keys.txt | 4 | ||||
-rw-r--r-- | include/linux/jump_label.h | 10 |
2 files changed, 6 insertions, 8 deletions
diff --git a/Documentation/static-keys.txt b/Documentation/static-keys.txt index ec911583f6c5..477927becacb 100644 --- a/Documentation/static-keys.txt +++ b/Documentation/static-keys.txt @@ -15,8 +15,8 @@ The updated API replacements are: DEFINE_STATIC_KEY_TRUE(key); DEFINE_STATIC_KEY_FALSE(key); -static_key_likely() -static_key_unlikely() +static_branch_likely() +static_branch_unlikely() 0) Abstract diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 0684bd3a48fc..f1094238ab2a 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -21,8 +21,8 @@ * * DEFINE_STATIC_KEY_TRUE(key); * DEFINE_STATIC_KEY_FALSE(key); - * static_key_likely() - * static_key_unlikely() + * static_branch_likely() + * static_branch_unlikely() * * Jump labels provide an interface to generate dynamic branches using * self-modifying code. Assuming toolchain and architecture support, if we @@ -45,12 +45,10 @@ * statement, setting the key to true requires us to patch in a jump * to the out-of-line of true branch. * - * In addtion to static_branch_{enable,disable}, we can also reference count + * In addition to static_branch_{enable,disable}, we can also reference count * the key or branch direction via static_branch_{inc,dec}. Thus, * static_branch_inc() can be thought of as a 'make more true' and - * static_branch_dec() as a 'make more false'. The inc()/dec() - * interface is meant to be used exclusively from the inc()/dec() for a given - * key. + * static_branch_dec() as a 'make more false'. * * Since this relies on modifying code, the branch modifying functions * must be considered absolute slow paths (machine wide synchronization etc.). |