From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Burakov, Anatoly" Subject: Re: [PATCH v2 1/2] eal: fix potential incorrect pinning for ctrl threads Date: Thu, 14 Feb 2019 16:12:24 +0000 Message-ID: <32bd2385-b979-12f8-26ef-e03e28e53462@intel.com> References: <1550074412-31285-1-git-send-email-david.marchand@redhat.com> <1550151042-9764-1-git-send-email-david.marchand@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: olivier.matz@6wind.com, ktraynor@redhat.com, stable@dpdk.org To: David Marchand , dev@dpdk.org Return-path: In-Reply-To: <1550151042-9764-1-git-send-email-david.marchand@redhat.com> Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 14-Feb-19 1:30 PM, David Marchand wrote: > 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") > Signed-off-by: David Marchand > --- > lib/librte_eal/common/eal_common_thread.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/lib/librte_eal/common/eal_common_thread.c b/lib/librte_eal/common/eal_common_thread.c > index 48ef4d6..a3985ce 100644 > --- a/lib/librte_eal/common/eal_common_thread.c > +++ b/lib/librte_eal/common/eal_common_thread.c > @@ -209,7 +209,7 @@ static void *rte_thread_init(void *arg) > CPU_SET(rte_get_master_lcore(), &cpuset); > > ret = pthread_setaffinity_np(*thread, sizeof(cpuset), &cpuset); > - if (ret < 0) > + if (ret) > goto fail; > > ret = pthread_barrier_wait(¶ms->configured); > CC: stable? -- Thanks, Anatoly