diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2018-05-02 12:20:32 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2018-05-02 12:20:32 +0300 |
| commit | 53f071e19d566e7d0a4eada1bd8313a4cdb660a4 (patch) | |
| tree | ee2aecae90ec29ab404cf60bedeb3feb2ec99966 /include/linux/xarray.h | |
| parent | 043477b088d2af61a0937754c6560002237e6741 (diff) | |
| parent | 0ab390262c4920f26f8202063a268d5fc829728e (diff) | |
Merge drm/drm-next into drm-intel-next-queued
Need d224985a5e31 ("sched/wait, drivers/drm: Convert wait_on_atomic_t()
usage to the new wait_var_event() API") in dinq to be able to fix
https://bugs.freedesktop.org/show_bug.cgi?id=106085.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'include/linux/xarray.h')
| -rw-r--r-- | include/linux/xarray.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/xarray.h b/include/linux/xarray.h new file mode 100644 index 000000000000..2dfc8006fe64 --- /dev/null +++ b/include/linux/xarray.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +#ifndef _LINUX_XARRAY_H +#define _LINUX_XARRAY_H +/* + * eXtensible Arrays + * Copyright (c) 2017 Microsoft Corporation + * Author: Matthew Wilcox <mawilcox@microsoft.com> + */ + +#include <linux/spinlock.h> + +#define xa_trylock(xa) spin_trylock(&(xa)->xa_lock) +#define xa_lock(xa) spin_lock(&(xa)->xa_lock) +#define xa_unlock(xa) spin_unlock(&(xa)->xa_lock) +#define xa_lock_bh(xa) spin_lock_bh(&(xa)->xa_lock) +#define xa_unlock_bh(xa) spin_unlock_bh(&(xa)->xa_lock) +#define xa_lock_irq(xa) spin_lock_irq(&(xa)->xa_lock) +#define xa_unlock_irq(xa) spin_unlock_irq(&(xa)->xa_lock) +#define xa_lock_irqsave(xa, flags) \ + spin_lock_irqsave(&(xa)->xa_lock, flags) +#define xa_unlock_irqrestore(xa, flags) \ + spin_unlock_irqrestore(&(xa)->xa_lock, flags) + +#endif /* _LINUX_XARRAY_H */ |