#ifndef __TOOLS_ASM_GENERIC_ATOMIC_H
#define __TOOLS_ASM_GENERIC_ATOMIC_H

#include <linux/compiler.h>
#include <linux/types.h>

/*
 * Atomic operations that C can't guarantee us.  Useful for
 * resource counting etc..
 *
 * Excerpts obtained from the Linux kernel sources.
 */

#define ATOMIC_INIT(i)	{ (i) }

/**
 * atomic_read - read atomic variable
 * @v: pointer of type atomic_t
 *
 * Atomically reads the value of @v.
 */
static inline int atomic_read(const atomic_t *v)
{
	return ACCESS_ONCE((v)->counter);
}

/**
 * atomic_set - set atomic variable
 * @v: pointer of type atomic_t
 * @i: required value
 *
 * Atomically sets the value of @v to @i.
 */
static inline void atomic_set(atomic_t *v, int i)
{
        v->counter = i;
}

/**
 * atomic_inc - increment atomic variable
 * @v: pointer of type atomic_t
 *
 * Atomically increments @v by 1.
 */
static inline void atomic_inc(atomic_t *v)
{
	__sync_add_and_fetch(&v->counter, 1);
}

/**
 * atomic_dec_and_test - decrement and test
 * @v: pointer of type atomic_t
 *
 * Atomically decrements @v by 1 and
 * returns true if the result is 0, or false for all other
 * cases.
 */
static inline int atomic_dec_and_test(atomic_t *v)
{
	return __sync_sub_and_fetch(&v->counter, 1) == 0;
}

#endif /* __TOOLS_ASM_GENERIC_ATOMIC_H */
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<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-20 15:24:32 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-20 15:24:32 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/reset/qcom,gcc-msm8974.h?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d'>3eb86259eca6a363ed7bb13ecea5cda809f7b97d</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/dt-bindings/reset/qcom,gcc-msm8974.h?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d'>39ad92d0c5496d4eab67741e6d5b61f3b9b0a370</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/dt-bindings/reset/qcom,gcc-msm8974.h?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d'>include/dt-bindings/reset/qcom,gcc-msm8974.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/reset/qcom,gcc-msm8974.h?id=f95adbc1f7cef521d1d6b9146691d5971a660614'>f95adbc1f7cef521d1d6b9146691d5971a660614</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/reset/qcom,gcc-msm8974.h?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d&amp;id2=f95adbc1f7cef521d1d6b9146691d5971a660614'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/reset/qcom,gcc-msm8974.h?id=50f4d9bda9f8510db1392b4e832fca95c56295a1'>50f4d9bda9f8510db1392b4e832fca95c56295a1</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/reset/qcom,gcc-msm8974.h?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d&amp;id2=50f4d9bda9f8510db1392b4e832fca95c56295a1'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'akpm' (patches from Andrew)</div><div class='commit-msg'>Merge final set of updates from Andrew Morton:

 - a series to make IMA play better across kexec

 - a handful of random fixes

* emailed patches from Andrew Morton &lt;akpm@linux-foundation.org&gt;:
  printk: fix typo in CONSOLE_LOGLEVEL_DEFAULT help text
  ratelimit: fix WARN_ON_RATELIMIT return value
  kcov: make kcov work properly with KASLR enabled
  arm64: setup: introduce kaslr_offset()
  mm: fadvise: avoid expensive remote LRU cache draining after FADV_DONTNEED
  ima: platform-independent hash value
  ima: define a canonical binary_runtime_measurements list format
  ima: support restoring multiple template formats
  ima: store the builtin/custom template definitions in a list
  ima: on soft reboot, save the measurement list
  powerpc: ima: send the kexec buffer to the next kernel
  ima: maintain memory size needed for serializing the measurement list
  ima: permit duplicate measurement list entries
  ima: on soft reboot, restore the measurement list
  powerpc: ima: get the kexec buffer passed by the previous kernel
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=3eb86259eca6a363ed7bb13ecea5cda809f7b97d'>Diffstat</a> (limited to 'include/dt-bindings/reset/qcom,gcc-msm8974.h')</div><table summary='diffstat' class='diffstat'>