[PATCH 1/9] net: core: use this_cpu_ptr per-cpu helper

Subsystems: networking [general], the rest

STALE5094d

2 messages, 2 authors, 2012-10-31 · open the first message on its own page

[PATCH 1/9] net: core: use this_cpu_ptr per-cpu helper

From: Shan Wei <hidden>
Date: 2012-10-31 11:22:20

From: Shan Wei <redacted>

Signed-off-by: Shan Wei <redacted>
---
 net/core/flow.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/net/core/flow.c b/net/core/flow.c
index e318c7e..3bad824 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -327,11 +327,9 @@ static void flow_cache_flush_tasklet(unsigned long data)
 static void flow_cache_flush_per_cpu(void *data)
 {
 	struct flow_flush_info *info = data;
-	int cpu;
 	struct tasklet_struct *tasklet;
 
-	cpu = smp_processor_id();
-	tasklet = &per_cpu_ptr(info->cache->percpu, cpu)->flush_tasklet;
+	tasklet = &this_cpu_ptr(info->cache->percpu)->flush_tasklet;
 	tasklet->data = (unsigned long)info;
 	tasklet_schedule(tasklet);
 }
-- 
1.7.1

Re: [PATCH 1/9] net: core: use this_cpu_ptr per-cpu helper

From: Christoph Lameter <hidden>
Date: 2012-10-31 17:31:57

On Wed, 31 Oct 2012, Shan Wei wrote:
quoted hunk
+++ b/net/core/flow.c
@@ -327,11 +327,9 @@ static void flow_cache_flush_tasklet(unsigned long data)
 static void flow_cache_flush_per_cpu(void *data)
 {
 	struct flow_flush_info *info = data;
-	int cpu;
 	struct tasklet_struct *tasklet;

-	cpu = smp_processor_id();
-	tasklet = &per_cpu_ptr(info->cache->percpu, cpu)->flush_tasklet;
+	tasklet = &this_cpu_ptr(info->cache->percpu)->flush_tasklet;
 	tasklet->data = (unsigned long)info;
 	tasklet_schedule(tasklet);
 }
Reviewed-by: Christoph Lameter <redacted>
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