From mboxrd@z Thu Jan 1 00:00:00 1970 From: mathieu.desnoyers@efficios.com (Mathieu Desnoyers) Date: Thu, 15 Sep 2011 10:59:37 -0400 Subject: [ltt-dev] [PATCH 02/10] init maxcpus before use it In-Reply-To: References: Message-ID: <20110915145937.GC3813@Krystal> * Lai Jiangshan (laijs at cn.fujitsu.com) wrote: > Signed-off-by: Lai Jiangshan [ Edit: Covers the per-cpu call_rcu data setup (not all_cpus helper, which is why we did not trigger it in our tests. ] Merged, thanks! Mathieu > --- > urcu-call-rcu-impl.h | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/urcu-call-rcu-impl.h b/urcu-call-rcu-impl.h > index 700d128..e0a8fd8 100644 > --- a/urcu-call-rcu-impl.h > +++ b/urcu-call-rcu-impl.h > @@ -386,6 +386,7 @@ int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp) > static int warned = 0; > > call_rcu_lock(&call_rcu_mutex); > + alloc_cpu_call_rcu_data(); > if (cpu < 0 || maxcpus <= cpu) { > if (!warned) { > fprintf(stderr, "[error] liburcu: set CPU # out of range\n"); > @@ -395,7 +396,6 @@ int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp) > errno = EINVAL; > return -EINVAL; > } > - alloc_cpu_call_rcu_data(); > call_rcu_unlock(&call_rcu_mutex); > if (per_cpu_call_rcu_data == NULL) { > errno = ENOMEM; > -- > 1.7.4.4 > -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com