From: Hong H. Pham <hong.pham@xxxxxxxxxxxxx>
Register the CPU used for interrupt handling with the network
device layer so that other work can be distributed evenly and
optimally across the remaining CPUs.
Signed-off-by: Hong H. Pham <hong.pham@xxxxxxxxxxxxx>
Signed-off-by: Chris Torek <chris.torek@xxxxxxxxxxxxx>
---
drivers/net/niu.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index cfb43a4..c82e970 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -6143,6 +6143,7 @@ static int niu_request_irq(struct niu *np)
for (i = 0; i < np->num_ldg; i++) {
struct niu_ldg *lp = &np->ldg[i];
+ netdev_reserve_cpu(netdev_map_to_cpu(lp->irq));
err = request_irq(lp->irq, niu_interrupt,
IRQF_SHARED | IRQF_SAMPLE_RANDOM,
np->irq_name[i], lp);
@@ -6158,6 +6159,7 @@ out_free_irqs:
struct niu_ldg *lp = &np->ldg[j];
free_irq(lp->irq, lp);
+ netdev_release_cpu(netdev_map_to_cpu(lp->irq));
}
return err;
}
@@ -6170,6 +6172,7 @@ static void niu_free_irq(struct niu *np)
struct niu_ldg *lp = &np->ldg[i];
free_irq(lp->irq, lp);
+ netdev_release_cpu(netdev_map_to_cpu(lp->irq));
}
}
--
1.6.0.4.766.g6fc4a
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