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ovs-numa: Introduce function to set current thread affinity.

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This commit moves the code that sets the pmd threads affinity from
netdev-dpdk to ovs-numa.  There's one small part left in netdev-dpdk, to
set the lcore_id.

Now dpif-netdev will call both modules (ovs-numa and netdev-dpdk) when
starting a pmd thread.

This change will allow having a dummy implementation of the set affinity
call, for testing purposes.

Signed-off-by: Daniele Di Proietto <diproiettod@vmware.com>
Acked-by: Ilya Maximets <i.maximets@samsung.com>
This commit is contained in:
Daniele Di Proietto
2016-06-06 17:05:49 -07:00
parent 93ce57623f
commit 6930c7e01c
5 changed files with 29 additions and 19 deletions
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3
lib/dpif-netdev.c
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@@ -2839,7 +2839,8 @@ pmd_thread_main(void *f_)
/* Stores the pmd thread's 'pmd' to 'per_pmd_key'. */
ovsthread_setspecific(pmd->dp->per_pmd_key, pmd);
pmd_thread_setaffinity_cpu(pmd->core_id);
ovs_numa_thread_setaffinity_core(pmd->core_id);
dpdk_set_lcore_id(pmd->core_id);
poll_cnt = pmd_load_queues_and_ports(pmd, &poll_list);
reload:
emc_cache_init(&pmd->flow_cache);