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| author | Tejun Heo <tj@kernel.org> | 2010-02-02 14:38:57 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-02-17 11:17:38 +0900 |
| commit | 43cf38eb5cea91245502df3fcee4dbfc1c74dd1c (patch) | |
| tree | a58ea87af1f07b8aed4941db074f44103f321f6e /kernel/stop_machine.c | |
| parent | ab386128f20c44c458a90039ab1bdc265ac474c9 (diff) | |
| download | lwn-43cf38eb5cea91245502df3fcee4dbfc1c74dd1c.tar.gz lwn-43cf38eb5cea91245502df3fcee4dbfc1c74dd1c.zip | |
percpu: add __percpu sparse annotations to core kernel subsystems
Add __percpu sparse annotations to core subsystems.
These annotations are to make sparse consider percpu variables to be
in a different address space and warn if accessed without going
through percpu accessors. This patch doesn't affect normal builds.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-mm@kvack.org
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Dipankar Sarma <dipankar@in.ibm.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric Biederman <ebiederm@xmission.com>
Diffstat (limited to 'kernel/stop_machine.c')
| -rw-r--r-- | kernel/stop_machine.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c index 912823e2a11b..9bb9fb1bd79c 100644 --- a/kernel/stop_machine.c +++ b/kernel/stop_machine.c @@ -45,7 +45,7 @@ static int refcount; static struct workqueue_struct *stop_machine_wq; static struct stop_machine_data active, idle; static const struct cpumask *active_cpus; -static void *stop_machine_work; +static void __percpu *stop_machine_work; static void set_state(enum stopmachine_state newstate) { |