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...Cc: Wanlong Gao <gaowanlong at cn.fujitsu.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- The patch is need for 3.8 and above. --- drivers/net/virtio_net.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index defec2b..c4bc1cc 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1116,6 +1116,11 @@ static int virtnet_cpu_callback(struct notifier_block *nfb, { struct virtnet_info *vi = container_of(nfb, struct virtnet_info, nb); + mutex_lock(&vi->config_lock); + + if (!vi->config...

...Cc: Wanlong Gao <gaowanlong at cn.fujitsu.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- The patch is need for 3.8 and above. --- drivers/net/virtio_net.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index defec2b..c4bc1cc 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1116,6 +1116,11 @@ static int virtnet_cpu_callback(struct notifier_block *nfb, { struct virtnet_info *vi = container_of(nfb, struct virtnet_info, nb); + mutex_lock(&vi->config_lock); + + if (!vi->config...

...S. Tsirkin <mst at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/net/virtio_net.c | 55 +++++++-------------------------------------- 1 files changed, 9 insertions(+), 46 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index defec2b..4102c1b 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -127,9 +127,6 @@ struct virtnet_info { /* Does the affinity hint is set for virtqueues? */ bool affinity_hint_set; - /* Per-cpu variable to show the mapping from CPU to virtqueue */ - int __percpu *vq_index; -...

...S. Tsirkin <mst at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/net/virtio_net.c | 55 +++++++-------------------------------------- 1 files changed, 9 insertions(+), 46 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index defec2b..4102c1b 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -127,9 +127,6 @@ struct virtnet_info { /* Does the affinity hint is set for virtqueues? */ bool affinity_hint_set; - /* Per-cpu variable to show the mapping from CPU to virtqueue */ - int __percpu *vq_index; -...

...t; > Signed-off-by: Jason Wang <jasowang at redhat.com> > --- > drivers/net/virtio_net.c | 55 +++++++-------------------------------------- > 1 files changed, 9 insertions(+), 46 deletions(-) > > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c > index defec2b..4102c1b 100644 > --- a/drivers/net/virtio_net.c > +++ b/drivers/net/virtio_net.c > @@ -127,9 +127,6 @@ struct virtnet_info { > /* Does the affinity hint is set for virtqueues? */ > bool affinity_hint_set; > > - /* Per-cpu variable to show the mapping from CPU to virtqueu...

...sowang at redhat.com> --- Changes from V1: - use cpumask_of() instead of allocate dynamically drivers/net/virtio_net.c | 48 +-------------------------------------------- 1 files changed, 2 insertions(+), 46 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index defec2b..4eca652 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -127,9 +127,6 @@ struct virtnet_info { /* Does the affinity hint is set for virtqueues? */ bool affinity_hint_set; - /* Per-cpu variable to show the mapping from CPU to virtqueue */ - int __percpu *vq_index; -...

...sowang at redhat.com> --- Changes from V1: - use cpumask_of() instead of allocate dynamically drivers/net/virtio_net.c | 48 +-------------------------------------------- 1 files changed, 2 insertions(+), 46 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index defec2b..4eca652 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -127,9 +127,6 @@ struct virtnet_info { /* Does the affinity hint is set for virtqueues? */ bool affinity_hint_set; - /* Per-cpu variable to show the mapping from CPU to virtqueue */ - int __percpu *vq_index; -...

...r she can see whether the virtio-net interface has to calculate RX checksums or not. Signed-off-by: Thomas Huth <thuth at linux.vnet.ibm.com> --- drivers/net/virtio_net.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index f216002..defec2b 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1538,6 +1538,8 @@ static int virtnet_probe(struct virtio_device *vdev) dev->features |= dev->hw_features & (NETIF_F_ALL_TSO|NETIF_F_UFO); /* (!csum && gso) case will be fixed by register_netdev() */...

...r she can see whether the virtio-net interface has to calculate RX checksums or not. Signed-off-by: Thomas Huth <thuth at linux.vnet.ibm.com> --- drivers/net/virtio_net.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index f216002..defec2b 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1538,6 +1538,8 @@ static int virtnet_probe(struct virtio_device *vdev) dev->features |= dev->hw_features & (NETIF_F_ALL_TSO|NETIF_F_UFO); /* (!csum && gso) case will be fixed by register_netdev() */...

...s from V1: > - use cpumask_of() instead of allocate dynamically > > drivers/net/virtio_net.c | 48 +-------------------------------------------- > 1 files changed, 2 insertions(+), 46 deletions(-) > > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c > index defec2b..4eca652 100644 > --- a/drivers/net/virtio_net.c > +++ b/drivers/net/virtio_net.c > @@ -127,9 +127,6 @@ struct virtnet_info { > /* Does the affinity hint is set for virtqueues? */ > bool affinity_hint_set; > > - /* Per-cpu variable to show the mapping from CPU to virtqueu...

...ed is good :) But how does the result perform? About the same? > --- > drivers/net/virtio_net.c | 55 +++++++-------------------------------------- > 1 files changed, 9 insertions(+), 46 deletions(-) > > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c > index defec2b..4102c1b 100644 > --- a/drivers/net/virtio_net.c > +++ b/drivers/net/virtio_net.c > @@ -127,9 +127,6 @@ struct virtnet_info { > /* Does the affinity hint is set for virtqueues? */ > bool affinity_hint_set; > > - /* Per-cpu variable to show the mapping from CPU to virtqueu...

This patchset replace CONFIG_PM with CONFIG_PM_SLEEP for all virtio drivers and virtio pci driver. With patch 1/2, two compile warnings are eliminated for virtio pci driver, and patch 2/2 is a clean up for all virtio drivers as suggested by Amit Shah. Aaron Lu (2): virtio_pci: pm: Use CONFIG_PM_SLEEP instead of CONFIG_PM virtio: pm: use CONFIG_PM_SLEEP instead of CONFIG_PM

This patchset replace CONFIG_PM with CONFIG_PM_SLEEP for all virtio drivers and virtio pci driver. With patch 1/2, two compile warnings are eliminated for virtio pci driver, and patch 2/2 is a clean up for all virtio drivers as suggested by Amit Shah. Aaron Lu (2): virtio_pci: pm: Use CONFIG_PM_SLEEP instead of CONFIG_PM virtio: pm: use CONFIG_PM_SLEEP instead of CONFIG_PM

...-by: Wanlong Gao <gaowanlong at cn.fujitsu.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- The patch is need for 3.8 and above. --- drivers/net/virtio_net.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index defec2b..c4bc1cc 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1116,6 +1116,11 @@ static int virtnet_cpu_callback(struct notifier_block *nfb, { struct virtnet_info *vi = container_of(nfb, struct virtnet_info, nb); + mutex_lock(&vi->config_lock); + + if (!vi->config...

...-by: Wanlong Gao <gaowanlong at cn.fujitsu.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- The patch is need for 3.8 and above. --- drivers/net/virtio_net.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index defec2b..c4bc1cc 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1116,6 +1116,11 @@ static int virtnet_cpu_callback(struct notifier_block *nfb, { struct virtnet_info *vi = container_of(nfb, struct virtnet_info, nb); + mutex_lock(&vi->config_lock); + + if (!vi->config...