From: Christoph Lameter <clameter@sgi.com>
To: akpm@linux-foundation.org
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
David Miller <davem@davemloft.net>,
Eric Dumazet <dada1@cosmosbay.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: [patch 28/30] cpu alloc: Use for infiniband
Date: Fri, 16 Nov 2007 15:09:48 -0800 [thread overview]
Message-ID: <20071116231109.031973549@sgi.com> (raw)
In-Reply-To: 20071116230920.278761667@sgi.com
[-- Attachment #1: 0038-cpu-alloc-Use-for-infiniband.patch --]
[-- Type: text/plain, Size: 3555 bytes --]
Signed-off-by: Christoph Lameter <clameter@sgi.com>
---
drivers/infiniband/hw/ehca/ehca_irq.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
Index: linux-2.6/drivers/infiniband/hw/ehca/ehca_irq.c
===================================================================
--- linux-2.6.orig/drivers/infiniband/hw/ehca/ehca_irq.c 2007-11-15 21:17:23.663404239 -0800
+++ linux-2.6/drivers/infiniband/hw/ehca/ehca_irq.c 2007-11-15 21:25:39.310404188 -0800
@@ -646,7 +646,7 @@ static void queue_comp_task(struct ehca_
cpu_id = find_next_online_cpu(pool);
BUG_ON(!cpu_online(cpu_id));
- cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu_id);
+ cct = CPU_PTR(pool->cpu_comp_tasks, cpu_id);
BUG_ON(!cct);
spin_lock_irqsave(&cct->task_lock, flags);
@@ -654,7 +654,7 @@ static void queue_comp_task(struct ehca_
spin_unlock_irqrestore(&cct->task_lock, flags);
if (cq_jobs > 0) {
cpu_id = find_next_online_cpu(pool);
- cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu_id);
+ cct = CPU_PTR(pool->cpu_comp_tasks, cpu_id);
BUG_ON(!cct);
}
@@ -727,7 +727,7 @@ static struct task_struct *create_comp_t
{
struct ehca_cpu_comp_task *cct;
- cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu);
+ cct = CPU_PTR(pool->cpu_comp_tasks, cpu);
spin_lock_init(&cct->task_lock);
INIT_LIST_HEAD(&cct->cq_list);
init_waitqueue_head(&cct->wait_queue);
@@ -743,7 +743,7 @@ static void destroy_comp_task(struct ehc
struct task_struct *task;
unsigned long flags_cct;
- cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu);
+ cct = CPU_PTR(pool->cpu_comp_tasks, cpu);
spin_lock_irqsave(&cct->task_lock, flags_cct);
@@ -759,7 +759,7 @@ static void destroy_comp_task(struct ehc
static void __cpuinit take_over_work(struct ehca_comp_pool *pool, int cpu)
{
- struct ehca_cpu_comp_task *cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu);
+ struct ehca_cpu_comp_task *cct = CPU_PTR(pool->cpu_comp_tasks, cpu);
LIST_HEAD(list);
struct ehca_cq *cq;
unsigned long flags_cct;
@@ -772,8 +772,7 @@ static void __cpuinit take_over_work(str
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(pool->cpu_comp_tasks));
}
spin_unlock_irqrestore(&cct->task_lock, flags_cct);
@@ -799,14 +798,14 @@ static int __cpuinit comp_pool_callback(
case CPU_UP_CANCELED:
case CPU_UP_CANCELED_FROZEN:
ehca_gen_dbg("CPU: %x (CPU_CANCELED)", cpu);
- cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu);
+ cct = CPU_PTR(pool->cpu_comp_tasks, cpu);
kthread_bind(cct->task, any_online_cpu(cpu_online_map));
destroy_comp_task(pool, cpu);
break;
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
ehca_gen_dbg("CPU: %x (CPU_ONLINE)", cpu);
- cct = per_cpu_ptr(pool->cpu_comp_tasks, cpu);
+ cct = CPU_PTR(pool->cpu_comp_tasks, cpu);
kthread_bind(cct->task, cpu);
wake_up_process(cct->task);
break;
@@ -849,7 +848,8 @@ int ehca_create_comp_pool(void)
spin_lock_init(&pool->last_cpu_lock);
pool->last_cpu = any_online_cpu(cpu_online_map);
- pool->cpu_comp_tasks = alloc_percpu(struct ehca_cpu_comp_task);
+ pool->cpu_comp_tasks = CPU_ALLOC(struct ehca_cpu_comp_task,
+ GFP_KERNEL | __GFP_ZERO);
if (pool->cpu_comp_tasks == NULL) {
kfree(pool);
return -EINVAL;
@@ -883,6 +883,6 @@ void ehca_destroy_comp_pool(void)
if (cpu_online(i))
destroy_comp_task(pool, i);
}
- free_percpu(pool->cpu_comp_tasks);
+ CPU_FREE(pool->cpu_comp_tasks);
kfree(pool);
}
--
next prev parent reply other threads:[~2007-11-16 23:11 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-16 23:09 [patch 00/30] cpu alloc v2: Optimize by removing arrays of pointers to per cpu objects Christoph Lameter
2007-11-16 23:09 ` [patch 01/30] cpu alloc: Simple version of the allocator (static allocations) Christoph Lameter
2007-11-16 23:09 ` [patch 02/30] cpu alloc: Use in SLUB Christoph Lameter
2007-11-16 23:09 ` [patch 03/30] cpu alloc: Remove SLUB fields Christoph Lameter
2007-11-16 23:09 ` [patch 04/30] cpu alloc: page allocator conversion Christoph Lameter
2007-11-16 23:09 ` [patch 05/30] cpu_alloc: Implement dynamically extendable cpu areas Christoph Lameter
2007-11-16 23:09 ` [patch 06/30] cpu alloc: x86 support Christoph Lameter
2007-11-16 23:09 ` [patch 07/30] cpu alloc: IA64 support Christoph Lameter
2007-11-16 23:32 ` Luck, Tony
2007-11-17 0:05 ` Christoph Lameter
2007-11-16 23:09 ` [patch 08/30] cpu_alloc: Sparc64 support Christoph Lameter
2007-11-16 23:09 ` [patch 09/30] cpu alloc: percpu_counter conversion Christoph Lameter
2007-11-16 23:09 ` [patch 10/30] cpu alloc: crash_notes conversion Christoph Lameter
2007-11-16 23:09 ` [patch 11/30] cpu alloc: workqueue conversion Christoph Lameter
2007-11-16 23:09 ` [patch 12/30] cpu alloc: ACPI cstate handling conversion Christoph Lameter
2007-11-16 23:09 ` [patch 13/30] cpu alloc: genhd statistics conversion Christoph Lameter
2007-11-16 23:09 ` [patch 14/30] cpu alloc: blktrace conversion Christoph Lameter
2007-11-16 23:09 ` [patch 15/30] cpu alloc: SRCU Christoph Lameter
2007-11-16 23:09 ` [patch 16/30] cpu alloc: XFS counters Christoph Lameter
2007-11-19 12:58 ` Christoph Hellwig
2007-11-16 23:09 ` [patch 17/30] cpu alloc: NFS statistics Christoph Lameter
2007-11-16 23:09 ` [patch 18/30] cpu alloc: neigbour statistics Christoph Lameter
2007-11-16 23:09 ` [patch 19/30] cpu alloc: tcp statistics Christoph Lameter
2007-11-16 23:09 ` [patch 20/30] cpu alloc: convert scatches Christoph Lameter
2007-11-16 23:09 ` [patch 21/30] cpu alloc: dmaengine conversion Christoph Lameter
2007-11-16 23:09 ` [patch 22/30] cpu alloc: convert loopback statistics Christoph Lameter
2007-11-16 23:09 ` [patch 23/30] cpu alloc: veth conversion Christoph Lameter
2007-11-16 23:09 ` [patch 24/30] cpu alloc: Chelsio statistics conversion Christoph Lameter
2007-11-16 23:09 ` [patch 25/30] cpu alloc: convert mib handling to cpu alloc Christoph Lameter
2007-11-16 23:09 ` [patch 26/30] cpu_alloc: convert network sockets Christoph Lameter
2007-11-16 23:09 ` [patch 27/30] cpu alloc: Explicitly code allocpercpu calls in iucv Christoph Lameter
2007-11-16 23:09 ` Christoph Lameter [this message]
2007-11-16 23:09 ` [patch 29/30] cpu alloc: Use in the crypto subsystem Christoph Lameter
2007-11-16 23:09 ` [patch 30/30] cpu alloc: Remove the allocpercpu functionality Christoph Lameter
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