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author | Radim Krčmář <rkrcmar@redhat.com> | 2017-09-08 14:40:43 +0200 |
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committer | Radim Krčmář <rkrcmar@redhat.com> | 2017-09-08 14:40:43 +0200 |
commit | 5f54c8b2d4fad95d1f8ecbe023ebe6038e6d3760 (patch) | |
tree | daca83ea5f9af1bd158504bd0b5af89c5a99b7fa /drivers/net/ethernet/netronome/nfp | |
parent | Merge branch 'kvm-ppc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc (diff) | |
parent | KVM: PPC: Book3S HV: Protect updates to spapr_tce_tables list (diff) | |
download | linux-dev-5f54c8b2d4fad95d1f8ecbe023ebe6038e6d3760.tar.xz linux-dev-5f54c8b2d4fad95d1f8ecbe023ebe6038e6d3760.zip |
Merge branch 'kvm-ppc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
This fix was intended for 4.13, but didn't get in because both
maintainers were on vacation.
Paul Mackerras:
"It adds mutual exclusion between list_add_rcu and list_del_rcu calls
on the kvm->arch.spapr_tce_tables list. Without this, userspace could
potentially trigger corruption of the list and cause a host crash or
worse."
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp')
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/cmsg.c | 8 | ||||
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 2 |
2 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c index dd7fa9cf225f..b0837b58c3a1 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c +++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c @@ -115,14 +115,10 @@ nfp_flower_cmsg_portmod_rx(struct nfp_app *app, struct sk_buff *skb) return; } - if (link) { + if (link) netif_carrier_on(netdev); - rtnl_lock(); - dev_set_mtu(netdev, be16_to_cpu(msg->mtu)); - rtnl_unlock(); - } else { + else netif_carrier_off(netdev); - } rcu_read_unlock(); } diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 18750ff0ede6..4631ca8b8eb2 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -513,6 +513,7 @@ nfp_net_tx_ring_init(struct nfp_net_tx_ring *tx_ring, tx_ring->idx = idx; tx_ring->r_vec = r_vec; tx_ring->is_xdp = is_xdp; + u64_stats_init(&tx_ring->r_vec->tx_sync); tx_ring->qcidx = tx_ring->idx * nn->stride_tx; tx_ring->qcp_q = nn->tx_bar + NFP_QCP_QUEUE_OFF(tx_ring->qcidx); @@ -532,6 +533,7 @@ nfp_net_rx_ring_init(struct nfp_net_rx_ring *rx_ring, rx_ring->idx = idx; rx_ring->r_vec = r_vec; + u64_stats_init(&rx_ring->r_vec->rx_sync); rx_ring->fl_qcidx = rx_ring->idx * nn->stride_rx; rx_ring->qcp_fl = nn->rx_bar + NFP_QCP_QUEUE_OFF(rx_ring->fl_qcidx); |