Re: [RFC][PATCH] tags: Fix DEFINE_PER_CPU expansions

From: Peter Zijlstra
Date: Tue Mar 01 2016 - 16:35:01 EST


On Tue, Mar 01, 2016 at 08:56:50AM -0800, Paul E. McKenney wrote:
> +++ b/kernel/rcu/rcutorture.c
> @@ -131,9 +131,9 @@ static unsigned long rcu_torture_current_version;
> static struct rcu_torture rcu_tortures[10 * RCU_TORTURE_PIPE_LEN];
> static DEFINE_SPINLOCK(rcu_torture_lock);
> static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1],
> - rcu_torture_count) = { 0 };
> + rcu_torture_count);

So the problem I was fixing is that the ctags regex needs the second
argument for the DEFINE_PER_CPU() macro on the same line.

So it would still need to be:

static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1], rcu_torture_count);

> static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1],
> - rcu_torture_batch) = { 0 };
> + rcu_torture_batch);
> static atomic_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1];
> static atomic_t n_rcu_torture_alloc;
> static atomic_t n_rcu_torture_alloc_fail;
>