2015-04-29 13:38 GMT+02:00 Panu Matilainen <pmatilai at redhat.com>: > On 04/29/2015 02:29 PM, Huawei Xie wrote: >> >> vhost enabled vSwitch could have their own thread-safe vring enqueue >> policy. >> Add the RTE_LIBRTE_VHOST_LOCKLESS_ENQ macro for vhost lockless enqueue. >> Turn it off by default. >> >> Signed-off-by: Huawei Xie <huawei.xie at intel.com> >> --- >> config/common_linuxapp | 1 + >> lib/librte_vhost/vhost_rxtx.c | 24 +++++++++++++++++++++++- >> 2 files changed, 24 insertions(+), 1 deletion(-) >> >> diff --git a/config/common_linuxapp b/config/common_linuxapp >> index 0078dc9..7f59499 100644 >> --- a/config/common_linuxapp >> +++ b/config/common_linuxapp >> @@ -421,6 +421,7 @@ CONFIG_RTE_KNI_VHOST_DEBUG_TX=n >> # >> CONFIG_RTE_LIBRTE_VHOST=n >> CONFIG_RTE_LIBRTE_VHOST_USER=y >> +CONFIG_RTE_LIBRTE_VHOST_LOCKLESS_ENQ=n >> CONFIG_RTE_LIBRTE_VHOST_DEBUG=n [...] > > These things should be runtime configurable, not build options. Please do > not assume everybody builds DPDK separately for each and every application > that might ever be.
+1 Adding new build options must be exceptions and very well justified.