Re: [PATCH tip/core/rcu 03/15] rcu: Prevent excessive line length inRCU_STATE_INITIALIZER()

From: Josh Triplett
Date: Fri Jun 15 2012 - 17:48:19 EST


On Fri, Jun 15, 2012 at 02:05:58PM -0700, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paul.mckenney@xxxxxxxxxx>
>
> Upcoming rcu_barrier() concurrency commits will result in line lengths
> greater than 80 characters in the RCU_STATE_INITIALIZER(), so this commit
> shortens the name of the macro's argument to prevent this.
>
> Signed-off-by: Paul E. McKenney <paul.mckenney@xxxxxxxxxx>
> Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>

Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>

> kernel/rcutree.c | 14 +++++++-------
> 1 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/kernel/rcutree.c b/kernel/rcutree.c
> index 9098910..8ce1b1d 100644
> --- a/kernel/rcutree.c
> +++ b/kernel/rcutree.c
> @@ -62,18 +62,18 @@
>
> static struct lock_class_key rcu_node_class[RCU_NUM_LVLS];
>
> -#define RCU_STATE_INITIALIZER(structname) { \
> - .level = { &structname##_state.node[0] }, \
> +#define RCU_STATE_INITIALIZER(sname) { \
> + .level = { &sname##_state.node[0] }, \
> .fqs_state = RCU_GP_IDLE, \
> .gpnum = -300, \
> .completed = -300, \
> - .onofflock = __RAW_SPIN_LOCK_UNLOCKED(&structname##_state.onofflock), \
> - .orphan_nxttail = &structname##_state.orphan_nxtlist, \
> - .orphan_donetail = &structname##_state.orphan_donelist, \
> - .fqslock = __RAW_SPIN_LOCK_UNLOCKED(&structname##_state.fqslock), \
> + .onofflock = __RAW_SPIN_LOCK_UNLOCKED(&sname##_state.onofflock), \
> + .orphan_nxttail = &sname##_state.orphan_nxtlist, \
> + .orphan_donetail = &sname##_state.orphan_donelist, \
> + .fqslock = __RAW_SPIN_LOCK_UNLOCKED(&sname##_state.fqslock), \
> .n_force_qs = 0, \
> .n_force_qs_ngp = 0, \
> - .name = #structname, \
> + .name = #sname, \
> }
>
> struct rcu_state rcu_sched_state = RCU_STATE_INITIALIZER(rcu_sched);
> --
> 1.7.8
>
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