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eal: fix control threads pinnning

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pthread_setaffinity_np returns a >0 value on error.
We could end up letting the ctrl threads on the current process cpu
affinity.

Fixes: d651ee4919cd ("eal: set affinity for control threads")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
Reviewed-by: Anatoly Burakov <anatoly.burakov@intel.com>
Reviewed-by: Olivier Matz <olivier.matz@6wind.com>
This commit is contained in:
David Marchand 2019-02-19 21:41:10 +01:00 committed by Thomas Monjalon
parent b206376438
commit 759b9be661
1 changed files with 1 additions and 1 deletions
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lib/librte_eal/common/eal_common_thread.c
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@ -209,7 +209,7 @@ rte_ctrl_thread_create(pthread_t *thread, const char *name,
CPU_SET(rte_get_master_lcore(), &cpuset); CPU_SET(rte_get_master_lcore(), &cpuset);
ret = pthread_setaffinity_np(*thread, sizeof(cpuset), &cpuset); ret = pthread_setaffinity_np(*thread, sizeof(cpuset), &cpuset);
if (ret < 0) if (ret)
goto fail; goto fail;
ret = pthread_barrier_wait(&params->configured); ret = pthread_barrier_wait(&params->configured);