diff options
| author | Christoph Lameter <cl@linux-foundation.org> | 2009-10-03 19:48:22 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2009-10-03 19:48:22 +0900 |
| commit | ca0c9584b1f16bd5911893647cb7f1be82e60554 (patch) | |
| tree | 7dd9453ec36f56b50ce519ce964af9f35b80f381 | |
| parent | 4ea7334b6de818b0123fa4be32af4cb8ac65174c (diff) | |
| download | op-kernel-dev-ca0c9584b1f16bd5911893647cb7f1be82e60554.zip op-kernel-dev-ca0c9584b1f16bd5911893647cb7f1be82e60554.tar.gz | |
this_cpu: Straight transformations
Use this_cpu_ptr and __this_cpu_ptr in locations where straight
transformations are possible because per_cpu_ptr is used with
either smp_processor_id() or raw_smp_processor_id().
cc: David Howells <dhowells@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
cc: Ingo Molnar <mingo@elte.hu>
cc: Rusty Russell <rusty@rustcorp.com.au>
cc: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_irq.c | 3 | ||||
| -rw-r--r-- | drivers/net/chelsio/sge.c | 5 | ||||
| -rw-r--r-- | drivers/net/loopback.c | 2 | ||||
| -rw-r--r-- | fs/ext4/mballoc.c | 2 |
4 files changed, 5 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c index 4b89b79..42be0b1 100644 --- a/drivers/infiniband/hw/ehca/ehca_irq.c +++ b/drivers/infiniband/hw/ehca/ehca_irq.c @@ -826,8 +826,7 @@ static void __cpuinit take_over_work(struct ehca_comp_pool *pool, int cpu) cq = list_entry(cct->cq_list.next, struct ehca_cq, entry); list_del(&cq->entry); - __queue_comp_task(cq, per_cpu_ptr(pool->cpu_comp_tasks, - smp_processor_id())); + __queue_comp_task(cq, this_cpu_ptr(pool->cpu_comp_tasks)); } spin_unlock_irqrestore(&cct->task_lock, flags_cct); diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c index 8c658cf..109d278 100644 --- a/drivers/net/chelsio/sge.c +++ b/drivers/net/chelsio/sge.c @@ -1378,7 +1378,7 @@ static void sge_rx(struct sge *sge, struct freelQ *fl, unsigned int len) } __skb_pull(skb, sizeof(*p)); - st = per_cpu_ptr(sge->port_stats[p->iff], smp_processor_id()); + st = this_cpu_ptr(sge->port_stats[p->iff]); skb->protocol = eth_type_trans(skb, adapter->port[p->iff].dev); if ((adapter->flags & RX_CSUM_ENABLED) && p->csum == 0xffff && @@ -1780,8 +1780,7 @@ netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct adapter *adapter = dev->ml_priv; struct sge *sge = adapter->sge; - struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[dev->if_port], - smp_processor_id()); + struct sge_port_stats *st = this_cpu_ptr(sge->port_stats[dev->if_port]); struct cpl_tx_pkt *cpl; struct sk_buff *orig_skb = skb; int ret; diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index 1bc654a..8ebeb76 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -81,7 +81,7 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb, /* it's OK to use per_cpu_ptr() because BHs are off */ pcpu_lstats = dev->ml_priv; - lb_stats = per_cpu_ptr(pcpu_lstats, smp_processor_id()); + lb_stats = this_cpu_ptr(pcpu_lstats); len = skb->len; if (likely(netif_rx(skb) == NET_RX_SUCCESS)) { diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index bba1282..d527fd3 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -3932,7 +3932,7 @@ static void ext4_mb_group_or_file(struct ext4_allocation_context *ac) * per cpu locality group is to reduce the contention between block * request from multiple CPUs. */ - ac->ac_lg = per_cpu_ptr(sbi->s_locality_groups, raw_smp_processor_id()); + ac->ac_lg = __this_cpu_ptr(sbi->s_locality_groups); /* we're going to use group allocation */ ac->ac_flags |= EXT4_MB_HINT_GROUP_ALLOC; |
