Displaying 3 results from an estimated 3 matches for "xps_needed".
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2018 Aug 07
1
[PATCH net-next] net: allow to call netif_reset_xps_queues() under cpu_read_lock
...r_test_mask - Test a CPU or Rx queue set in a mask
diff --git a/net/core/dev.c b/net/core/dev.c
index f68122f0ab02..d6a0f64ccdd9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2176,6 +2176,7 @@ static void netif_reset_xps_queues(struct net_device *dev, u16 offset,
if (!static_key_false(&xps_needed))
return;
+ cpus_read_lock();
mutex_lock(&xps_map_mutex);
if (static_key_false(&xps_rxqs_needed)) {
@@ -2199,10 +2200,11 @@ static void netif_reset_xps_queues(struct net_device *dev, u16 offset,
out_no_maps:
if (static_key_enabled(&xps_rxqs_needed))
- static_key_slow_de...
2018 Aug 02
0
[net-next, v6, 6/7] net-sysfs: Add interface for Rx queue(s) map per Tx queue
On Thu, Aug 02, 2018 at 02:04:12PM -0700, Nambiar, Amritha wrote:
> On 8/1/2018 5:11 PM, Andrei Vagin wrote:
> > On Tue, Jul 10, 2018 at 07:28:49PM -0700, Nambiar, Amritha wrote:
> >> With this patch series, I introduced static_key for XPS maps
> >> (xps_needed), so static_key_slow_inc() is used to switch branches. The
> >> definition of static_key_slow_inc() has cpus_read_lock in place. In the
> >> virtio_net driver, XPS queues are initialized after setting the
> >> queue:cpu affinity in virtnet_set_affinity() which is already...
2018 Aug 03
0
[net-next, v6, 6/7] net-sysfs: Add interface for Rx queue(s) map per Tx queue
...18 at 02:04:12PM -0700, Nambiar, Amritha wrote:
> > > On 8/1/2018 5:11 PM, Andrei Vagin wrote:
> > > > On Tue, Jul 10, 2018 at 07:28:49PM -0700, Nambiar, Amritha wrote:
> > > >> With this patch series, I introduced static_key for XPS maps
> > > >> (xps_needed), so static_key_slow_inc() is used to switch branches. The
> > > >> definition of static_key_slow_inc() has cpus_read_lock in place. In the
> > > >> virtio_net driver, XPS queues are initialized after setting the
> > > >> queue:cpu affinity in virtnet_se...