| Message ID | 1241856150-4488-1-git-send-email-dhananjay@netxen.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Dhananjay Phadke <dhananjay@netxen.com> Date: Sat, 9 May 2009 01:02:27 -0700 > Store msi target status register offset in adapter struct. > This avoids contention on msi_tgt_status table from interrupt > hadlers of different pci function. > > Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index 9350c86..ab11c2b 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -1257,6 +1257,9 @@ struct netxen_adapter { u32 irq; u32 temp; + u32 msi_tgt_status; + u32 resv4; + struct netxen_adapter_stats stats; struct netxen_recv_context recv_ctx; diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 83dadfd..edb4bcd 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -525,6 +525,8 @@ netxen_setup_intr(struct netxen_adapter *adapter) request_msi: if (use_msi && !pci_enable_msi(pdev)) { adapter->flags |= NETXEN_NIC_MSI_ENABLED; + adapter->msi_tgt_status = + msi_tgt_status[adapter->ahw.pci_func]; dev_info(&pdev->dev, "using msi interrupts\n"); } else dev_info(&pdev->dev, "using legacy interrupts\n"); @@ -1701,7 +1703,7 @@ static irqreturn_t netxen_msi_intr(int irq, void *data) /* clear interrupt */ adapter->pci_write_immediate(adapter, - msi_tgt_status[adapter->ahw.pci_func], 0xffffffff); + adapter->msi_tgt_status, 0xffffffff); napi_schedule(&sds_ring->napi); return IRQ_HANDLED;
Store msi target status register offset in adapter struct. This avoids contention on msi_tgt_status table from interrupt hadlers of different pci function. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> --- drivers/net/netxen/netxen_nic.h | 3 +++ drivers/net/netxen/netxen_nic_main.c | 4 +++- 2 files changed, 6 insertions(+), 1 deletions(-)