2012-10-31 11:22:31

by Shan Wei

Subject: [PATCH 2/9] net: rds: use this_cpu_ptr per-cpu helper

From: Shan Wei <[email protected]>


Signed-off-by: Shan Wei <[email protected]>
---
net/rds/ib_recv.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index 8d19491..a4a5064 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -423,7 +423,7 @@ static void rds_ib_recv_cache_put(struct list_head *new_item,

local_irq_save(flags);

- chp = per_cpu_ptr(cache->percpu, smp_processor_id());
+ chp = this_cpu_ptr(cache->percpu);
if (!chp->first)
INIT_LIST_HEAD(new_item);
else /* put on front */
--
1.7.1

2012-10-31 17:32:24

by Christoph Lameter (Ampere)

Subject: Re: [PATCH 2/9] net: rds: use this_cpu_ptr per-cpu helper

On Wed, 31 Oct 2012, Shan Wei wrote:

> diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
> index 8d19491..a4a5064 100644
> --- a/net/rds/ib_recv.c
> +++ b/net/rds/ib_recv.c
> @@ -423,7 +423,7 @@ static void rds_ib_recv_cache_put(struct list_head *new_item,
>
> local_irq_save(flags);
>
> - chp = per_cpu_ptr(cache->percpu, smp_processor_id());
> + chp = this_cpu_ptr(cache->percpu);
> if (!chp->first)
> INIT_LIST_HEAD(new_item);
> else /* put on front */
>

Reviewed-by: Christoph Lameter <[email protected]>