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net: thunderx: Assign affinity hints to vf's interrupts

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This affinity hint can be used by user space irqbalance tool to set
preferred CPU mask for irqs registered by this VF. Irqbalance needs
to be in 'exact' mode to set irq affinity same as indicated by
affinity hint.

Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sunil Goutham
2016-02-11 21:50:23 +05:30
committed by David S. Miller
parent ef0a4d8601
commit fb4b7d98a0
2 changed files with 36 additions and 2 deletions
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1
drivers/net/ethernet/cavium/thunder/nic.h
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@@ -309,6 +309,7 @@ struct nicvf {
struct msix_entry msix_entries[NIC_VF_MSIX_VECTORS];
char irq_name[NIC_VF_MSIX_VECTORS][20];
bool irq_allocated[NIC_VF_MSIX_VECTORS];
cpumask_var_t affinity_mask[NIC_VF_MSIX_VECTORS];
/* VF <-> PF mailbox communication */
bool pf_acked;