From 4fce5e64991fc0a02e47e525ce72f33def17b7ef Mon Sep 17 00:00:00 2001
From: Zefan Li <lizefan@huawei.com>
Date: Thu, 25 Sep 2014 09:40:40 +0800
Subject: [PATCH] sched: add macros to define bitops for task atomic flags

commit e0e5070b20e01f0321f97db4e4e174f3f6b49e50 upstream.

This will simplify code when we add new flags.

v3:
- Kees pointed out that no_new_privs should never be cleared, so we
shouldn't define task_clear_no_new_privs(). we define 3 macros instead
of a single one.

v2:
- updated scripts/tags.sh, suggested by Peter

Cc: Ingo Molnar <mingo@kernel.org>
Cc: Miao Xie <miaox@cn.fujitsu.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Zefan Li <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
[lizf: Backported to 3.4:
 - adjust context
 - remove no_new_priv code
 - add atomic_flags to struct task_struct]
[bwh: Backported to 3.2:
 - Drop changes in scripts/tags.sh
 - Adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
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