Merge tag 'v4.9-rc6' into patchwork

Linux 4.9-rc6

* tag 'v4.9-rc6': (305 commits)
  Linux 4.9-rc6
  ext4: sanity check the block and cluster size at mount time
  fscrypto: don't use on-stack buffer for key derivation
  fscrypto: don't use on-stack buffer for filename encryption
  i2c: i2c-mux-pca954x: fix deselect enabling for device-tree
  kvm: x86: merge kvm_arch_set_irq and kvm_arch_set_irq_inatomic
  KVM: x86: fix missed SRCU usage in kvm_lapic_set_vapic_addr
  KVM: async_pf: avoid recursive flushing of work items
  kvm: kvmclock: let KVM_GET_CLOCK return whether the master clock is in use
  KVM: Disable irq while unregistering user notifier
  KVM: x86: do not go through vcpu in __get_kvmclock_ns
  MAINTAINERS: Add LED subsystem co-maintainer
  crypto: algif_hash - Fix NULL hash crash with shash
  powerpc/mm: Fix missing update of HID register on secondary CPUs
  KVM: arm64: Fix the issues when guest PMCCFILTR is configured
  arm64: KVM: pmu: Fix AArch32 cycle counter access
  powerpc/mm/radix: Invalidate ERAT on tlbiel for POWER9 DD1
  i2c: digicolor: use clk_disable_unprepare instead of clk_unprepare
  ipmi/bt-bmc: change compatible node to 'aspeed, ast2400-ibt-bmc'
  Revert "drm/mediatek: set vblank_disable_allowed to true"
  ...

4 files changed, 18 insertions, 2 deletions

diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index 9b9f65d99873..e35e6de633b9 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -22,7 +22,7 @@ extern int mincore_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
 			unsigned char *vec);
 extern bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
 			 unsigned long new_addr, unsigned long old_end,
-			 pmd_t *old_pmd, pmd_t *new_pmd);
+			 pmd_t *old_pmd, pmd_t *new_pmd, bool *need_flush);
 extern int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
 			unsigned long addr, pgprot_t newprot,
 			int prot_numa);
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index ca1ad9ebbc92..a0649973ee5b 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -149,7 +149,7 @@ static inline bool inet6_exact_dif_match(struct net *net, struct sk_buff *skb)
 {
 #if defined(CONFIG_NET_L3_MASTER_DEV)
 	if (!net->ipv4.sysctl_tcp_l3mdev_accept &&
-	    ipv6_l3mdev_skb(IP6CB(skb)->flags))
+	    skb && ipv6_l3mdev_skb(IP6CB(skb)->flags))
 		return true;
 #endif
 	return false;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 91ee3643ccc8..bf04a46f6d5b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3354,6 +3354,21 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb);
 bool is_skb_forwardable(const struct net_device *dev,
 			const struct sk_buff *skb);
 
+static __always_inline int ____dev_forward_skb(struct net_device *dev,
+					       struct sk_buff *skb)
+{
+	if (skb_orphan_frags(skb, GFP_ATOMIC) ||
+	    unlikely(!is_skb_forwardable(dev, skb))) {
+		atomic_long_inc(&dev->rx_dropped);
+		kfree_skb(skb);
+		return NET_RX_DROP;
+	}
+
+	skb_scrub_packet(skb, true);
+	skb->priority = 0;
+	return 0;
+}
+
 void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev);
 
 extern int		netdev_budget;
diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
index ab02a457da1f..e5d193440374 100644
--- a/include/linux/sunrpc/svc_xprt.h
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -25,6 +25,7 @@ struct svc_xprt_ops {
 	void		(*xpo_detach)(struct svc_xprt *);
 	void		(*xpo_free)(struct svc_xprt *);
 	int		(*xpo_secure_port)(struct svc_rqst *);
+	void		(*xpo_kill_temp_xprt)(struct svc_xprt *);
 };
 
 struct svc_xprt_class {