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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-03-09 10:55:17 -0800 |
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| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-03-09 10:55:17 -0800 |
| commit | b675b3667f6729dcd1036a2a129b35445947f905 (patch) | |
| tree | 0d58791e9063d3ca2c352da6f3e7df2bdb876f9d /kernel/rcu.h | |
| parent | 104a5f3cad8f2f27cadbdf0029400ecd9e17ccc0 (diff) | |
| parent | 192cfd58774b4d17b2fe8bdc77d89c2ef4e0591d (diff) | |
| download | op-kernel-dev-b675b3667f6729dcd1036a2a129b35445947f905.zip op-kernel-dev-b675b3667f6729dcd1036a2a129b35445947f905.tar.gz | |
Merge commit 'v3.3-rc6' into next
Diffstat (limited to 'kernel/rcu.h')
| -rw-r--r-- | kernel/rcu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/rcu.h b/kernel/rcu.h index f600868..aa88baa 100644 --- a/kernel/rcu.h +++ b/kernel/rcu.h @@ -30,6 +30,13 @@ #endif /* #else #ifdef CONFIG_RCU_TRACE */ /* + * Process-level increment to ->dynticks_nesting field. This allows for + * architectures that use half-interrupts and half-exceptions from + * process context. + */ +#define DYNTICK_TASK_NESTING (LLONG_MAX / 2 - 1) + +/* * debug_rcu_head_queue()/debug_rcu_head_unqueue() are used internally * by call_rcu() and rcu callback execution, and are therefore not part of the * RCU API. Leaving in rcupdate.h because they are used by all RCU flavors. |
