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-rw-r--r--include/asm-generic/bug.h1
-rw-r--r--include/linux/bio.h4
-rw-r--r--include/linux/compiler-gcc.h15
-rw-r--r--include/linux/compiler.h5
-rw-r--r--include/linux/dcache.h1
-rw-r--r--include/linux/if_vlan.h79
-rw-r--r--include/linux/kvm_host.h3
-rw-r--r--include/linux/ptr_ring.h2
-rw-r--r--include/net/ip.h11
-rw-r--r--include/net/ip_fib.h1
-rw-r--r--include/net/llc_conn.h2
-rw-r--r--include/net/mac80211.h2
-rw-r--r--include/net/regulatory.h2
-rw-r--r--include/net/route.h3
-rw-r--r--include/rdma/ib_umem.h1
-rw-r--r--include/soc/arc/mcip.h5
-rw-r--r--include/uapi/drm/virtgpu_drm.h1
-rw-r--r--include/uapi/linux/if_ether.h1
18 files changed, 114 insertions, 25 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index af2cc94a61bf..ae1a33aa8955 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -50,6 +50,7 @@ struct bug_entry {
#ifndef HAVE_ARCH_BUG
#define BUG() do { \
printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
+ barrier_before_unreachable(); \
panic("BUG!"); \
} while (0)
#endif
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 45f00dd6323c..5aa40f4712ff 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -501,6 +501,7 @@ void zero_fill_bio(struct bio *bio);
extern struct bio_vec *bvec_alloc(gfp_t, int, unsigned long *, mempool_t *);
extern void bvec_free(mempool_t *, struct bio_vec *, unsigned int);
extern unsigned int bvec_nr_vecs(unsigned short idx);
+extern const char *bio_devname(struct bio *bio, char *buffer);
#define bio_set_dev(bio, bdev) \
do { \
@@ -519,9 +520,6 @@ do { \
#define bio_dev(bio) \
disk_devt((bio)->bi_disk)
-#define bio_devname(bio, buf) \
- __bdevname(bio_dev(bio), (buf))
-
#ifdef CONFIG_BLK_CGROUP
int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state *blkcg_css);
int bio_associate_current(struct bio *bio);
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index b78b31af36f8..f43113b8890b 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -212,6 +212,15 @@
#endif
/*
+ * calling noreturn functions, __builtin_unreachable() and __builtin_trap()
+ * confuse the stack allocation in gcc, leading to overly large stack
+ * frames, see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82365
+ *
+ * Adding an empty inline assembly before it works around the problem
+ */
+#define barrier_before_unreachable() asm volatile("")
+
+/*
* Mark a position in code as unreachable. This can be used to
* suppress control flow warnings after asm blocks that transfer
* control elsewhere.
@@ -221,7 +230,11 @@
* unreleased. Really, we need to have autoconf for the kernel.
*/
#define unreachable() \
- do { annotate_unreachable(); __builtin_unreachable(); } while (0)
+ do { \
+ annotate_unreachable(); \
+ barrier_before_unreachable(); \
+ __builtin_unreachable(); \
+ } while (0)
/* Mark a function definition as prohibited from being cloned. */
#define __noclone __attribute__((__noclone__, __optimize__("no-tracer")))
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index e8c9cd18bb05..853929f98962 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -86,6 +86,11 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
# define barrier_data(ptr) barrier()
#endif
+/* workaround for GCC PR82365 if needed */
+#ifndef barrier_before_unreachable
+# define barrier_before_unreachable() do { } while (0)
+#endif
+
/* Unreachable code */
#ifdef CONFIG_STACK_VALIDATION
#define annotate_reachable() ({ \
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index d8fcc02e378b..e79b7ba88a9b 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -227,6 +227,7 @@ extern seqlock_t rename_lock;
* These are the low-level FS interfaces to the dcache..
*/
extern void d_instantiate(struct dentry *, struct inode *);
+extern void d_instantiate_new(struct dentry *, struct inode *);
extern struct dentry * d_instantiate_unique(struct dentry *, struct inode *);
extern int d_instantiate_no_diralias(struct dentry *, struct inode *);
extern void __d_drop(struct dentry *dentry);
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index ab927383c99d..87b8c20d5b27 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -300,32 +300,47 @@ static inline bool vlan_hw_offload_capable(netdev_features_t features,
}
/**
- * __vlan_insert_tag - regular VLAN tag inserting
+ * __vlan_insert_inner_tag - inner VLAN tag inserting
* @skb: skbuff to tag
* @vlan_proto: VLAN encapsulation protocol
* @vlan_tci: VLAN TCI to insert
+ * @mac_len: MAC header length including outer vlan headers
*
- * Inserts the VLAN tag into @skb as part of the payload
+ * Inserts the VLAN tag into @skb as part of the payload at offset mac_len
* Returns error if skb_cow_head failes.
*
* Does not change skb->protocol so this function can be used during receive.
*/
-static inline int __vlan_insert_tag(struct sk_buff *skb,
- __be16 vlan_proto, u16 vlan_tci)
+static inline int __vlan_insert_inner_tag(struct sk_buff *skb,
+ __be16 vlan_proto, u16 vlan_tci,
+ unsigned int mac_len)
{
struct vlan_ethhdr *veth;
if (skb_cow_head(skb, VLAN_HLEN) < 0)
return -ENOMEM;
- veth = skb_push(skb, VLAN_HLEN);
+ skb_push(skb, VLAN_HLEN);
- /* Move the mac addresses to the beginning of the new header. */
- memmove(skb->data, skb->data + VLAN_HLEN, 2 * ETH_ALEN);
+ /* Move the mac header sans proto to the beginning of the new header. */
+ if (likely(mac_len > ETH_TLEN))
+ memmove(skb->data, skb->data + VLAN_HLEN, mac_len - ETH_TLEN);
skb->mac_header -= VLAN_HLEN;
+ veth = (struct vlan_ethhdr *)(skb->data + mac_len - ETH_HLEN);
+
/* first, the ethernet type */
- veth->h_vlan_proto = vlan_proto;
+ if (likely(mac_len >= ETH_TLEN)) {
+ /* h_vlan_encapsulated_proto should already be populated, and
+ * skb->data has space for h_vlan_proto
+ */
+ veth->h_vlan_proto = vlan_proto;
+ } else {
+ /* h_vlan_encapsulated_proto should not be populated, and
+ * skb->data has no space for h_vlan_proto
+ */
+ veth->h_vlan_encapsulated_proto = skb->protocol;
+ }
/* now, the TCI */
veth->h_vlan_TCI = htons(vlan_tci);
@@ -334,12 +349,30 @@ static inline int __vlan_insert_tag(struct sk_buff *skb,
}
/**
- * vlan_insert_tag - regular VLAN tag inserting
+ * __vlan_insert_tag - regular VLAN tag inserting
* @skb: skbuff to tag
* @vlan_proto: VLAN encapsulation protocol
* @vlan_tci: VLAN TCI to insert
*
* Inserts the VLAN tag into @skb as part of the payload
+ * Returns error if skb_cow_head failes.
+ *
+ * Does not change skb->protocol so this function can be used during receive.
+ */
+static inline int __vlan_insert_tag(struct sk_buff *skb,
+ __be16 vlan_proto, u16 vlan_tci)
+{
+ return __vlan_insert_inner_tag(skb, vlan_proto, vlan_tci, ETH_HLEN);
+}
+
+/**
+ * vlan_insert_inner_tag - inner VLAN tag inserting
+ * @skb: skbuff to tag
+ * @vlan_proto: VLAN encapsulation protocol
+ * @vlan_tci: VLAN TCI to insert
+ * @mac_len: MAC header length including outer vlan headers
+ *
+ * Inserts the VLAN tag into @skb as part of the payload at offset mac_len
* Returns a VLAN tagged skb. If a new skb is created, @skb is freed.
*
* Following the skb_unshare() example, in case of error, the calling function
@@ -347,12 +380,14 @@ static inline int __vlan_insert_tag(struct sk_buff *skb,
*
* Does not change skb->protocol so this function can be used during receive.
*/
-static inline struct sk_buff *vlan_insert_tag(struct sk_buff *skb,
- __be16 vlan_proto, u16 vlan_tci)
+static inline struct sk_buff *vlan_insert_inner_tag(struct sk_buff *skb,
+ __be16 vlan_proto,
+ u16 vlan_tci,
+ unsigned int mac_len)
{
int err;
- err = __vlan_insert_tag(skb, vlan_proto, vlan_tci);
+ err = __vlan_insert_inner_tag(skb, vlan_proto, vlan_tci, mac_len);
if (err) {
dev_kfree_skb_any(skb);
return NULL;
@@ -361,6 +396,26 @@ static inline struct sk_buff *vlan_insert_tag(struct sk_buff *skb,
}
/**
+ * vlan_insert_tag - regular VLAN tag inserting
+ * @skb: skbuff to tag
+ * @vlan_proto: VLAN encapsulation protocol
+ * @vlan_tci: VLAN TCI to insert
+ *
+ * Inserts the VLAN tag into @skb as part of the payload
+ * Returns a VLAN tagged skb. If a new skb is created, @skb is freed.
+ *
+ * Following the skb_unshare() example, in case of error, the calling function
+ * doesn't have to worry about freeing the original skb.
+ *
+ * Does not change skb->protocol so this function can be used during receive.
+ */
+static inline struct sk_buff *vlan_insert_tag(struct sk_buff *skb,
+ __be16 vlan_proto, u16 vlan_tci)
+{
+ return vlan_insert_inner_tag(skb, vlan_proto, vlan_tci, ETH_HLEN);
+}
+
+/**
* vlan_insert_tag_set_proto - regular VLAN tag inserting
* @skb: skbuff to tag
* @vlan_proto: VLAN encapsulation protocol
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 5a8019befafd..39f0489eb137 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1104,7 +1104,6 @@ static inline void kvm_irq_routing_update(struct kvm *kvm)
{
}
#endif
-void kvm_arch_irq_routing_update(struct kvm *kvm);
static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
{
@@ -1113,6 +1112,8 @@ static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
#endif /* CONFIG_HAVE_KVM_EVENTFD */
+void kvm_arch_irq_routing_update(struct kvm *kvm);
+
static inline void kvm_make_request(int req, struct kvm_vcpu *vcpu)
{
/*
diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h
index 35d125569e68..e8b12b79a0de 100644
--- a/include/linux/ptr_ring.h
+++ b/include/linux/ptr_ring.h
@@ -450,7 +450,7 @@ static inline int ptr_ring_consume_batched_bh(struct ptr_ring *r,
*/
static inline void **__ptr_ring_init_queue_alloc(unsigned int size, gfp_t gfp)
{
- if (size * sizeof(void *) > KMALLOC_MAX_SIZE)
+ if (size > KMALLOC_MAX_SIZE / sizeof(void *))
return NULL;
return kvmalloc_array(size, sizeof(void *), gfp | __GFP_ZERO);
}
diff --git a/include/net/ip.h b/include/net/ip.h
index af8addbaa3c1..81da1123fc8e 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -326,6 +326,13 @@ int ip_decrease_ttl(struct iphdr *iph)
return --iph->ttl;
}
+static inline int ip_mtu_locked(const struct dst_entry *dst)
+{
+ const struct rtable *rt = (const struct rtable *)dst;
+
+ return rt->rt_mtu_locked || dst_metric_locked(dst, RTAX_MTU);
+}
+
static inline
int ip_dont_fragment(const struct sock *sk, const struct dst_entry *dst)
{
@@ -333,7 +340,7 @@ int ip_dont_fragment(const struct sock *sk, const struct dst_entry *dst)
return pmtudisc == IP_PMTUDISC_DO ||
(pmtudisc == IP_PMTUDISC_WANT &&
- !(dst_metric_locked(dst, RTAX_MTU)));
+ !ip_mtu_locked(dst));
}
static inline bool ip_sk_accept_pmtu(const struct sock *sk)
@@ -359,7 +366,7 @@ static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst,
struct net *net = dev_net(dst->dev);
if (net->ipv4.sysctl_ip_fwd_use_pmtu ||
- dst_metric_locked(dst, RTAX_MTU) ||
+ ip_mtu_locked(dst) ||
!forwarding)
return dst_mtu(dst);
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 1a7f7e424320..5c5d344c0629 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -59,6 +59,7 @@ struct fib_nh_exception {
int fnhe_genid;
__be32 fnhe_daddr;
u32 fnhe_pmtu;
+ bool fnhe_mtu_locked;
__be32 fnhe_gw;
unsigned long fnhe_expires;
struct rtable __rcu *fnhe_rth_input;
diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h
index ea985aa7a6c5..df528a623548 100644
--- a/include/net/llc_conn.h
+++ b/include/net/llc_conn.h
@@ -104,7 +104,7 @@ void llc_sk_reset(struct sock *sk);
/* Access to a connection */
int llc_conn_state_process(struct sock *sk, struct sk_buff *skb);
-void llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb);
+int llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb);
void llc_conn_rtn_pdu(struct sock *sk, struct sk_buff *skb);
void llc_conn_resend_i_pdu_as_cmd(struct sock *sk, u8 nr, u8 first_p_bit);
void llc_conn_resend_i_pdu_as_rsp(struct sock *sk, u8 nr, u8 first_f_bit);
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 4f1d2dec43ce..87b62bae20af 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -4141,7 +4141,7 @@ void ieee80211_sta_uapsd_trigger(struct ieee80211_sta *sta, u8 tid);
* The TX headroom reserved by mac80211 for its own tx_status functions.
* This is enough for the radiotap header.
*/
-#define IEEE80211_TX_STATUS_HEADROOM 14
+#define IEEE80211_TX_STATUS_HEADROOM ALIGN(14, 4)
/**
* ieee80211_sta_set_buffered - inform mac80211 about driver-buffered frames
diff --git a/include/net/regulatory.h b/include/net/regulatory.h
index ebc5a2ed8631..f83cacce3308 100644
--- a/include/net/regulatory.h
+++ b/include/net/regulatory.h
@@ -78,7 +78,7 @@ struct regulatory_request {
int wiphy_idx;
enum nl80211_reg_initiator initiator;
enum nl80211_user_reg_hint_type user_reg_hint_type;
- char alpha2[2];
+ char alpha2[3];
enum nl80211_dfs_regions dfs_region;
bool intersect;
bool processed;
diff --git a/include/net/route.h b/include/net/route.h
index d538e6db1afe..6077a0fb3044 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -63,7 +63,8 @@ struct rtable {
__be32 rt_gateway;
/* Miscellaneous cached information */
- u32 rt_pmtu;
+ u32 rt_mtu_locked:1,
+ rt_pmtu:31;
u32 rt_table_id;
diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h
index 23159dd5be18..a1fd63871d17 100644
--- a/include/rdma/ib_umem.h
+++ b/include/rdma/ib_umem.h
@@ -48,7 +48,6 @@ struct ib_umem {
int writable;
int hugetlb;
struct work_struct work;
- struct pid *pid;
struct mm_struct *mm;
unsigned long diff;
struct ib_umem_odp *odp_data;
diff --git a/include/soc/arc/mcip.h b/include/soc/arc/mcip.h
index c2d1b15da136..a91f25151a5b 100644
--- a/include/soc/arc/mcip.h
+++ b/include/soc/arc/mcip.h
@@ -15,6 +15,7 @@
#define ARC_REG_MCIP_BCR 0x0d0
#define ARC_REG_MCIP_IDU_BCR 0x0D5
+#define ARC_REG_GFRC_BUILD 0x0D6
#define ARC_REG_MCIP_CMD 0x600
#define ARC_REG_MCIP_WDATA 0x601
#define ARC_REG_MCIP_READBACK 0x602
@@ -36,10 +37,14 @@ struct mcip_cmd {
#define CMD_SEMA_RELEASE 0x12
#define CMD_DEBUG_SET_MASK 0x34
+#define CMD_DEBUG_READ_MASK 0x35
#define CMD_DEBUG_SET_SELECT 0x36
+#define CMD_DEBUG_READ_SELECT 0x37
#define CMD_GFRC_READ_LO 0x42
#define CMD_GFRC_READ_HI 0x43
+#define CMD_GFRC_SET_CORE 0x47
+#define CMD_GFRC_READ_CORE 0x48
#define CMD_IDU_ENABLE 0x71
#define CMD_IDU_DISABLE 0x72
diff --git a/include/uapi/drm/virtgpu_drm.h b/include/uapi/drm/virtgpu_drm.h
index 91a31ffed828..9a781f0611df 100644
--- a/include/uapi/drm/virtgpu_drm.h
+++ b/include/uapi/drm/virtgpu_drm.h
@@ -63,6 +63,7 @@ struct drm_virtgpu_execbuffer {
};
#define VIRTGPU_PARAM_3D_FEATURES 1 /* do we have 3D features in the hw */
+#define VIRTGPU_PARAM_CAPSET_QUERY_FIX 2 /* do we have the capset fix */
struct drm_virtgpu_getparam {
__u64 param;
diff --git a/include/uapi/linux/if_ether.h b/include/uapi/linux/if_ether.h
index 3ee3bf7c8526..244e3213ecb0 100644
--- a/include/uapi/linux/if_ether.h
+++ b/include/uapi/linux/if_ether.h
@@ -30,6 +30,7 @@
*/
#define ETH_ALEN 6 /* Octets in one ethernet addr */
+#define ETH_TLEN 2 /* Octets in ethernet type field */
#define ETH_HLEN 14 /* Total octets in header. */
#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
#define ETH_DATA_LEN 1500 /* Max. octets in payload */