diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2012-01-09 11:12:55 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2012-01-09 11:12:55 +0900 |
| commit | ca371d2854d48c0c22e7aa031df182f96dc85820 (patch) | |
| tree | 1c62be8b4da0bfc82fa7ffa1ad5b0e958266cbd1 /kernel/rcu.h | |
| parent | 0d376945d0bc0a8f8e00861d506b10e42e8af372 (diff) | |
| parent | a0e86bd4252519321b0d102dc4ed90557aa7bee9 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest
Conflicts:
arch/arm/mach-shmobile/clock-sh73a0.c
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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 f600868d550d..aa88baab5f78 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. |