diff options
Diffstat (limited to 'drivers/net/sfc/efx.c')
| -rw-r--r-- | drivers/net/sfc/efx.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index 6eff9ca6c6c..dee23b159df 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -448,6 +448,9 @@ static void efx_init_channels(struct efx_nic *efx) WARN_ON(channel->rx_pkt != NULL); efx_rx_strategy(channel); + + netif_napi_add(channel->napi_dev, &channel->napi_str, + efx_poll, napi_weight); } } @@ -462,10 +465,6 @@ static void efx_start_channel(struct efx_channel *channel) EFX_LOG(channel->efx, "starting chan %d\n", channel->channel); - if (!(channel->efx->net_dev->flags & IFF_UP)) - netif_napi_add(channel->napi_dev, &channel->napi_str, - efx_poll, napi_weight); - /* The interrupt handler for this channel may set work_pending * as soon as we enable it. Make sure it's cleared before * then. Similarly, make sure it sees the enabled flag set. */ @@ -894,20 +893,27 @@ static void efx_fini_io(struct efx_nic *efx) * interrupts across them. */ static int efx_wanted_rx_queues(void) { - cpumask_t core_mask; + cpumask_var_t core_mask; int count; int cpu; - cpus_clear(core_mask); + if (!alloc_cpumask_var(&core_mask, GFP_KERNEL)) { + printk(KERN_WARNING + "efx.c: allocation failure, irq balancing hobbled\n"); + return 1; + } + + cpumask_clear(core_mask); count = 0; for_each_online_cpu(cpu) { - if (!cpu_isset(cpu, core_mask)) { + if (!cpumask_test_cpu(cpu, core_mask)) { ++count; - cpus_or(core_mask, core_mask, - topology_core_siblings(cpu)); + cpumask_or(core_mask, core_mask, + topology_core_cpumask(cpu)); } } + free_cpumask_var(core_mask); return count; } |