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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-02-14 22:26:50 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-02-14 22:26:50 +0100 |
| commit | d869f86645fc07dc83b89b68f1a22d91ebe29439 (patch) | |
| tree | a3c2c1167bb34c8d0367d77e1a5734fc842d9f30 /Documentation/core-api/xarray.rst | |
| parent | genirq: Add missing documentation for tot_count (diff) | |
| parent | Merge tag 'platform-drivers-x86-v5.0-2' of git://git.infradead.org/linux-plat... (diff) | |
| download | linux-d869f86645fc07dc83b89b68f1a22d91ebe29439.tar.gz linux-d869f86645fc07dc83b89b68f1a22d91ebe29439.zip | |
Merge branch 'linus' into irq/core
Pick up upstream changes to avoid conflicts for pending patches.
Diffstat (limited to 'Documentation/core-api/xarray.rst')
| -rw-r--r-- | Documentation/core-api/xarray.rst | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/Documentation/core-api/xarray.rst b/Documentation/core-api/xarray.rst index 6a6d67acaf69..5d54b27c6eba 100644 --- a/Documentation/core-api/xarray.rst +++ b/Documentation/core-api/xarray.rst @@ -108,12 +108,13 @@ some, but not all of the other indices changing. Sometimes you need to ensure that a subsequent call to :c:func:`xa_store` will not need to allocate memory. The :c:func:`xa_reserve` function -will store a reserved entry at the indicated index. Users of the normal -API will see this entry as containing ``NULL``. If you do not need to -use the reserved entry, you can call :c:func:`xa_release` to remove the -unused entry. If another user has stored to the entry in the meantime, -:c:func:`xa_release` will do nothing; if instead you want the entry to -become ``NULL``, you should use :c:func:`xa_erase`. +will store a reserved entry at the indicated index. Users of the +normal API will see this entry as containing ``NULL``. If you do +not need to use the reserved entry, you can call :c:func:`xa_release` +to remove the unused entry. If another user has stored to the entry +in the meantime, :c:func:`xa_release` will do nothing; if instead you +want the entry to become ``NULL``, you should use :c:func:`xa_erase`. +Using :c:func:`xa_insert` on a reserved entry will fail. If all entries in the array are ``NULL``, the :c:func:`xa_empty` function will return ``true``. @@ -183,6 +184,8 @@ Takes xa_lock internally: * :c:func:`xa_store_bh` * :c:func:`xa_store_irq` * :c:func:`xa_insert` + * :c:func:`xa_insert_bh` + * :c:func:`xa_insert_irq` * :c:func:`xa_erase` * :c:func:`xa_erase_bh` * :c:func:`xa_erase_irq` |
