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| author |   Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2010-03-03 17:50:16 -0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2010-03-04 12:07:33 +0100 |
| commit | e6033e3b307fcfae08408e0673266db38392bda4 (patch) | |
| tree | fd8d37b2aee0a1a22499297df4b748ace5166df7 /kernel/mutex.c | |
| parent | rcu: Add control variables to lockdep_rcu_dereference() diagnostics (diff) | |
| download | wireguard-linux-e6033e3b307fcfae08408e0673266db38392bda4.tar.xz wireguard-linux-e6033e3b307fcfae08408e0673266db38392bda4.zip | |
rcu: Make rcu_read_lock_sched_held() handle !PREEMPT
The rcu_read_lock_sched_held() needs to unconditionally return
the value "1" in a !PREEMPT kernel, because under !PREEMPT,
-all- kernel code is implicitly preempt-disabled. This patch
makes this happen.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: josh@joshtriplett.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
LKML-Reference: <1267667418-32233-1-git-send-email-paulmck@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/mutex.c')
0 files changed, 0 insertions, 0 deletions