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-rw-r--r--include/linux/acpi.h5
-rw-r--r--include/linux/gfp.h23
-rw-r--r--include/linux/hwmon.h2
-rw-r--r--include/linux/micrel_phy.h2
-rw-r--r--include/linux/mii.h9
-rw-r--r--include/linux/mlx5/mlx5_ifc.h3
-rw-r--r--include/linux/platform_data/dma-imx-sdma.h3
-rw-r--r--include/linux/skbuff.h41
-rw-r--r--include/linux/sunrpc/xprtsock.h1
-rw-r--r--include/linux/tpm_eventlog.h16
-rw-r--r--include/linux/uaccess.h6
-rw-r--r--include/net/busy_poll.h6
-rw-r--r--include/net/flow_dissector.h3
-rw-r--r--include/net/fq.h2
-rw-r--r--include/net/fq_impl.h4
-rw-r--r--include/net/ip.h4
-rw-r--r--include/net/llc_conn.h2
-rw-r--r--include/net/net_namespace.h27
-rw-r--r--include/net/sch_generic.h5
-rw-r--r--include/net/sock.h15
-rw-r--r--include/scsi/scsi_eh.h1
-rw-r--r--include/sound/simple_card_utils.h8
-rw-r--r--include/trace/events/btrfs.h3
-rw-r--r--include/trace/events/rxrpc.h6
24 files changed, 143 insertions, 54 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 9426b9aaed86..9d0e20a2ac83 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1302,11 +1302,16 @@ static inline int lpit_read_residency_count_address(u64 *address)
#endif
#ifdef CONFIG_ACPI_PPTT
+int acpi_pptt_cpu_is_thread(unsigned int cpu);
int find_acpi_cpu_topology(unsigned int cpu, int level);
int find_acpi_cpu_topology_package(unsigned int cpu);
int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
#else
+static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
+{
+ return -EINVAL;
+}
static inline int find_acpi_cpu_topology(unsigned int cpu, int level)
{
return -EINVAL;
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index f33881688f42..ff1c96b8ae92 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -325,6 +325,29 @@ static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
return !!(gfp_flags & __GFP_DIRECT_RECLAIM);
}
+/**
+ * gfpflags_normal_context - is gfp_flags a normal sleepable context?
+ * @gfp_flags: gfp_flags to test
+ *
+ * Test whether @gfp_flags indicates that the allocation is from the
+ * %current context and allowed to sleep.
+ *
+ * An allocation being allowed to block doesn't mean it owns the %current
+ * context. When direct reclaim path tries to allocate memory, the
+ * allocation context is nested inside whatever %current was doing at the
+ * time of the original allocation. The nested allocation may be allowed
+ * to block but modifying anything %current owns can corrupt the outer
+ * context's expectations.
+ *
+ * %true result from this function indicates that the allocation context
+ * can sleep and use anything that's associated with %current.
+ */
+static inline bool gfpflags_normal_context(const gfp_t gfp_flags)
+{
+ return (gfp_flags & (__GFP_DIRECT_RECLAIM | __GFP_MEMALLOC)) ==
+ __GFP_DIRECT_RECLAIM;
+}
+
#ifdef CONFIG_HIGHMEM
#define OPT_ZONE_HIGHMEM ZONE_HIGHMEM
#else
diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h
index 04c36b7a61dd..72579168189d 100644
--- a/include/linux/hwmon.h
+++ b/include/linux/hwmon.h
@@ -235,7 +235,7 @@ enum hwmon_power_attributes {
#define HWMON_P_LABEL BIT(hwmon_power_label)
#define HWMON_P_ALARM BIT(hwmon_power_alarm)
#define HWMON_P_CAP_ALARM BIT(hwmon_power_cap_alarm)
-#define HWMON_P_MIN_ALARM BIT(hwmon_power_max_alarm)
+#define HWMON_P_MIN_ALARM BIT(hwmon_power_min_alarm)
#define HWMON_P_MAX_ALARM BIT(hwmon_power_max_alarm)
#define HWMON_P_LCRIT_ALARM BIT(hwmon_power_lcrit_alarm)
#define HWMON_P_CRIT_ALARM BIT(hwmon_power_crit_alarm)
diff --git a/include/linux/micrel_phy.h b/include/linux/micrel_phy.h
index ad24554f11f9..75f880c25bb8 100644
--- a/include/linux/micrel_phy.h
+++ b/include/linux/micrel_phy.h
@@ -31,7 +31,7 @@
#define PHY_ID_KSZ886X 0x00221430
#define PHY_ID_KSZ8863 0x00221435
-#define PHY_ID_KSZ8795 0x00221550
+#define PHY_ID_KSZ87XX 0x00221550
#define PHY_ID_KSZ9477 0x00221631
diff --git a/include/linux/mii.h b/include/linux/mii.h
index 5cd824c1c0ca..4ce8901a1af6 100644
--- a/include/linux/mii.h
+++ b/include/linux/mii.h
@@ -455,6 +455,15 @@ static inline void mii_lpa_mod_linkmode_lpa_t(unsigned long *lp_advertising,
lp_advertising, lpa & LPA_LPACK);
}
+static inline void mii_ctrl1000_mod_linkmode_adv_t(unsigned long *advertising,
+ u32 ctrl1000)
+{
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, advertising,
+ ctrl1000 & ADVERTISE_1000HALF);
+ linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, advertising,
+ ctrl1000 & ADVERTISE_1000FULL);
+}
+
/**
* linkmode_adv_to_lcl_adv_t
* @advertising:pointer to linkmode advertising
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index b8b570c30b5e..e4b323e4db8f 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1437,9 +1437,8 @@ struct mlx5_ifc_extended_dest_format_bits {
};
union mlx5_ifc_dest_format_struct_flow_counter_list_auto_bits {
- struct mlx5_ifc_dest_format_struct_bits dest_format_struct;
+ struct mlx5_ifc_extended_dest_format_bits extended_dest_format;
struct mlx5_ifc_flow_counter_list_bits flow_counter_list;
- u8 reserved_at_0[0x40];
};
struct mlx5_ifc_fte_match_param_bits {
diff --git a/include/linux/platform_data/dma-imx-sdma.h b/include/linux/platform_data/dma-imx-sdma.h
index 6eaa53cef0bd..30e676b36b24 100644
--- a/include/linux/platform_data/dma-imx-sdma.h
+++ b/include/linux/platform_data/dma-imx-sdma.h
@@ -51,7 +51,10 @@ struct sdma_script_start_addrs {
/* End of v2 array */
s32 zcanfd_2_mcu_addr;
s32 zqspi_2_mcu_addr;
+ s32 mcu_2_ecspi_addr;
/* End of v3 array */
+ s32 mcu_2_zqspi_addr;
+ /* End of v4 array */
};
/**
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index ba5583522d24..7647beaac2d2 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1360,7 +1360,8 @@ static inline __u32 skb_get_hash_flowi6(struct sk_buff *skb, const struct flowi6
return skb->hash;
}
-__u32 skb_get_hash_perturb(const struct sk_buff *skb, u32 perturb);
+__u32 skb_get_hash_perturb(const struct sk_buff *skb,
+ const siphash_key_t *perturb);
static inline __u32 skb_get_hash_raw(const struct sk_buff *skb)
{
@@ -1501,6 +1502,19 @@ static inline int skb_queue_empty(const struct sk_buff_head *list)
}
/**
+ * skb_queue_empty_lockless - check if a queue is empty
+ * @list: queue head
+ *
+ * Returns true if the queue is empty, false otherwise.
+ * This variant can be used in lockless contexts.
+ */
+static inline bool skb_queue_empty_lockless(const struct sk_buff_head *list)
+{
+ return READ_ONCE(list->next) == (const struct sk_buff *) list;
+}
+
+
+/**
* skb_queue_is_last - check if skb is the last entry in the queue
* @list: queue head
* @skb: buffer
@@ -1853,9 +1867,11 @@ static inline void __skb_insert(struct sk_buff *newsk,
struct sk_buff *prev, struct sk_buff *next,
struct sk_buff_head *list)
{
- newsk->next = next;
- newsk->prev = prev;
- next->prev = prev->next = newsk;
+ /* see skb_queue_empty_lockless() for the opposite READ_ONCE() */
+ WRITE_ONCE(newsk->next, next);
+ WRITE_ONCE(newsk->prev, prev);
+ WRITE_ONCE(next->prev, newsk);
+ WRITE_ONCE(prev->next, newsk);
list->qlen++;
}
@@ -1866,11 +1882,11 @@ static inline void __skb_queue_splice(const struct sk_buff_head *list,
struct sk_buff *first = list->next;
struct sk_buff *last = list->prev;
- first->prev = prev;
- prev->next = first;
+ WRITE_ONCE(first->prev, prev);
+ WRITE_ONCE(prev->next, first);
- last->next = next;
- next->prev = last;
+ WRITE_ONCE(last->next, next);
+ WRITE_ONCE(next->prev, last);
}
/**
@@ -2011,8 +2027,8 @@ static inline void __skb_unlink(struct sk_buff *skb, struct sk_buff_head *list)
next = skb->next;
prev = skb->prev;
skb->next = skb->prev = NULL;
- next->prev = prev;
- prev->next = next;
+ WRITE_ONCE(next->prev, prev);
+ WRITE_ONCE(prev->next, next);
}
/**
@@ -3465,8 +3481,9 @@ int skb_ensure_writable(struct sk_buff *skb, int write_len);
int __skb_vlan_pop(struct sk_buff *skb, u16 *vlan_tci);
int skb_vlan_pop(struct sk_buff *skb);
int skb_vlan_push(struct sk_buff *skb, __be16 vlan_proto, u16 vlan_tci);
-int skb_mpls_push(struct sk_buff *skb, __be32 mpls_lse, __be16 mpls_proto);
-int skb_mpls_pop(struct sk_buff *skb, __be16 next_proto);
+int skb_mpls_push(struct sk_buff *skb, __be32 mpls_lse, __be16 mpls_proto,
+ int mac_len);
+int skb_mpls_pop(struct sk_buff *skb, __be16 next_proto, int mac_len);
int skb_mpls_update_lse(struct sk_buff *skb, __be32 mpls_lse);
int skb_mpls_dec_ttl(struct sk_buff *skb);
struct sk_buff *pskb_extract(struct sk_buff *skb, int off, int to_copy,
diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h
index 7638dbe7bc50..a940de03808d 100644
--- a/include/linux/sunrpc/xprtsock.h
+++ b/include/linux/sunrpc/xprtsock.h
@@ -61,6 +61,7 @@ struct sock_xprt {
struct mutex recv_mutex;
struct sockaddr_storage srcaddr;
unsigned short srcport;
+ int xprt_err;
/*
* UDP socket buffer size parameters
diff --git a/include/linux/tpm_eventlog.h b/include/linux/tpm_eventlog.h
index 63238c84dc0b..131ea1bad458 100644
--- a/include/linux/tpm_eventlog.h
+++ b/include/linux/tpm_eventlog.h
@@ -152,7 +152,7 @@ struct tcg_algorithm_info {
* total. Once we've done this we know the offset of the data length field,
* and can calculate the total size of the event.
*
- * Return: size of the event on success, <0 on failure
+ * Return: size of the event on success, 0 on failure
*/
static inline int __calc_tpm2_event_size(struct tcg_pcr_event2_head *event,
@@ -170,6 +170,7 @@ static inline int __calc_tpm2_event_size(struct tcg_pcr_event2_head *event,
u16 halg;
int i;
int j;
+ u32 count, event_type;
marker = event;
marker_start = marker;
@@ -190,16 +191,22 @@ static inline int __calc_tpm2_event_size(struct tcg_pcr_event2_head *event,
}
event = (struct tcg_pcr_event2_head *)mapping;
+ /*
+ * The loop below will unmap these fields if the log is larger than
+ * one page, so save them here for reference:
+ */
+ count = READ_ONCE(event->count);
+ event_type = READ_ONCE(event->event_type);
efispecid = (struct tcg_efi_specid_event_head *)event_header->event;
/* Check if event is malformed. */
- if (event->count > efispecid->num_algs) {
+ if (count > efispecid->num_algs) {
size = 0;
goto out;
}
- for (i = 0; i < event->count; i++) {
+ for (i = 0; i < count; i++) {
halg_size = sizeof(event->digests[i].alg_id);
/* Map the digest's algorithm identifier */
@@ -256,8 +263,9 @@ static inline int __calc_tpm2_event_size(struct tcg_pcr_event2_head *event,
+ event_field->event_size;
size = marker - marker_start;
- if ((event->event_type == 0) && (event_field->event_size == 0))
+ if (event_type == 0 && event_field->event_size == 0)
size = 0;
+
out:
if (do_mapping)
TPM_MEMUNMAP(mapping, mapping_size);
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 34a038563d97..d38051dd414f 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -284,8 +284,10 @@ extern long strnlen_unsafe_user(const void __user *unsafe_addr, long count);
#ifndef user_access_begin
#define user_access_begin(ptr,len) access_ok(ptr, len)
#define user_access_end() do { } while (0)
-#define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
-#define unsafe_put_user(x, ptr, err) do { if (unlikely(__put_user(x, ptr))) goto err; } while (0)
+#define unsafe_op_wrap(op, err) do { if (unlikely(op)) goto err; } while (0)
+#define unsafe_get_user(x,p,e) unsafe_op_wrap(__get_user(x,p),e)
+#define unsafe_put_user(x,p,e) unsafe_op_wrap(__put_user(x,p),e)
+#define unsafe_copy_to_user(d,s,l,e) unsafe_op_wrap(__copy_to_user(d,s,l),e)
static inline unsigned long user_access_save(void) { return 0UL; }
static inline void user_access_restore(unsigned long flags) { }
#endif
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index 127a5c4e3699..86e028388bad 100644
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -122,7 +122,7 @@ static inline void skb_mark_napi_id(struct sk_buff *skb,
static inline void sk_mark_napi_id(struct sock *sk, const struct sk_buff *skb)
{
#ifdef CONFIG_NET_RX_BUSY_POLL
- sk->sk_napi_id = skb->napi_id;
+ WRITE_ONCE(sk->sk_napi_id, skb->napi_id);
#endif
sk_rx_queue_set(sk, skb);
}
@@ -132,8 +132,8 @@ static inline void sk_mark_napi_id_once(struct sock *sk,
const struct sk_buff *skb)
{
#ifdef CONFIG_NET_RX_BUSY_POLL
- if (!sk->sk_napi_id)
- sk->sk_napi_id = skb->napi_id;
+ if (!READ_ONCE(sk->sk_napi_id))
+ WRITE_ONCE(sk->sk_napi_id, skb->napi_id);
#endif
}
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index 90bd210be060..5cd12276ae21 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -4,6 +4,7 @@
#include <linux/types.h>
#include <linux/in6.h>
+#include <linux/siphash.h>
#include <uapi/linux/if_ether.h>
/**
@@ -276,7 +277,7 @@ struct flow_keys_basic {
struct flow_keys {
struct flow_dissector_key_control control;
#define FLOW_KEYS_HASH_START_FIELD basic
- struct flow_dissector_key_basic basic;
+ struct flow_dissector_key_basic basic __aligned(SIPHASH_ALIGNMENT);
struct flow_dissector_key_tags tags;
struct flow_dissector_key_vlan vlan;
struct flow_dissector_key_vlan cvlan;
diff --git a/include/net/fq.h b/include/net/fq.h
index d126b5d20261..2ad85e683041 100644
--- a/include/net/fq.h
+++ b/include/net/fq.h
@@ -69,7 +69,7 @@ struct fq {
struct list_head backlogs;
spinlock_t lock;
u32 flows_cnt;
- u32 perturbation;
+ siphash_key_t perturbation;
u32 limit;
u32 memory_limit;
u32 memory_usage;
diff --git a/include/net/fq_impl.h b/include/net/fq_impl.h
index be40a4b327e3..107c0d700ed6 100644
--- a/include/net/fq_impl.h
+++ b/include/net/fq_impl.h
@@ -108,7 +108,7 @@ begin:
static u32 fq_flow_idx(struct fq *fq, struct sk_buff *skb)
{
- u32 hash = skb_get_hash_perturb(skb, fq->perturbation);
+ u32 hash = skb_get_hash_perturb(skb, &fq->perturbation);
return reciprocal_scale(hash, fq->flows_cnt);
}
@@ -308,7 +308,7 @@ static int fq_init(struct fq *fq, int flows_cnt)
INIT_LIST_HEAD(&fq->backlogs);
spin_lock_init(&fq->lock);
fq->flows_cnt = max_t(u32, flows_cnt, 1);
- fq->perturbation = prandom_u32();
+ get_random_bytes(&fq->perturbation, sizeof(fq->perturbation));
fq->quantum = 300;
fq->limit = 8192;
fq->memory_limit = 16 << 20; /* 16 MBytes */
diff --git a/include/net/ip.h b/include/net/ip.h
index 29d89de39822..e6609ab69161 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -184,7 +184,7 @@ static inline struct sk_buff *ip_fraglist_next(struct ip_fraglist_iter *iter)
}
struct ip_frag_state {
- struct iphdr *iph;
+ bool DF;
unsigned int hlen;
unsigned int ll_rs;
unsigned int mtu;
@@ -195,7 +195,7 @@ struct ip_frag_state {
};
void ip_frag_init(struct sk_buff *skb, unsigned int hlen, unsigned int ll_rs,
- unsigned int mtu, struct ip_frag_state *state);
+ unsigned int mtu, bool DF, struct ip_frag_state *state);
struct sk_buff *ip_frag_next(struct sk_buff *skb,
struct ip_frag_state *state);
diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h
index df528a623548..ea985aa7a6c5 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);
-int llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb);
+void 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/net_namespace.h b/include/net/net_namespace.h
index ab40d7afdc54..8f8b37198f9b 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -52,6 +52,9 @@ struct bpf_prog;
#define NETDEV_HASHENTRIES (1 << NETDEV_HASHBITS)
struct net {
+ /* First cache line can be often dirtied.
+ * Do not place here read-mostly fields.
+ */
refcount_t passive; /* To decide when the network
* namespace should be freed.
*/
@@ -60,7 +63,13 @@ struct net {
*/
spinlock_t rules_mod_lock;
- u32 hash_mix;
+ unsigned int dev_unreg_count;
+
+ unsigned int dev_base_seq; /* protected by rtnl_mutex */
+ int ifindex;
+
+ spinlock_t nsid_lock;
+ atomic_t fnhe_genid;
struct list_head list; /* list of network namespaces */
struct list_head exit_list; /* To linked to call pernet exit
@@ -76,11 +85,11 @@ struct net {
#endif
struct user_namespace *user_ns; /* Owning user namespace */
struct ucounts *ucounts;
- spinlock_t nsid_lock;
struct idr netns_ids;
struct ns_common ns;
+ struct list_head dev_base_head;
struct proc_dir_entry *proc_net;
struct proc_dir_entry *proc_net_stat;
@@ -93,12 +102,14 @@ struct net {
struct uevent_sock *uevent_sock; /* uevent socket */
- struct list_head dev_base_head;
struct hlist_head *dev_name_head;
struct hlist_head *dev_index_head;
- unsigned int dev_base_seq; /* protected by rtnl_mutex */
- int ifindex;
- unsigned int dev_unreg_count;
+ /* Note that @hash_mix can be read millions times per second,
+ * it is critical that it is on a read_mostly cache line.
+ */
+ u32 hash_mix;
+
+ struct net_device *loopback_dev; /* The loopback */
/* core fib_rules */
struct list_head rules_ops;
@@ -106,7 +117,6 @@ struct net {
struct list_head fib_notifier_ops; /* Populated by
* register_pernet_subsys()
*/
- struct net_device *loopback_dev; /* The loopback */
struct netns_core core;
struct netns_mib mib;
struct netns_packet packet;
@@ -171,7 +181,6 @@ struct net {
struct netns_xdp xdp;
#endif
struct sock *diag_nlsk;
- atomic_t fnhe_genid;
} __randomize_layout;
#include <linux/seq_file_net.h>
@@ -333,7 +342,7 @@ static inline struct net *read_pnet(const possible_net_t *pnet)
#define __net_initconst __initconst
#endif
-int peernet2id_alloc(struct net *net, struct net *peer);
+int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp);
int peernet2id(struct net *net, struct net *peer);
bool peernet_has_id(struct net *net, struct net *peer);
struct net *get_net_ns_by_id(struct net *net, int id);
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 6b6b01234dd9..58b1fbc884a7 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -520,6 +520,11 @@ static inline struct Qdisc *qdisc_root(const struct Qdisc *qdisc)
return q;
}
+static inline struct Qdisc *qdisc_root_bh(const struct Qdisc *qdisc)
+{
+ return rcu_dereference_bh(qdisc->dev_queue->qdisc);
+}
+
static inline struct Qdisc *qdisc_root_sleeping(const struct Qdisc *qdisc)
{
return qdisc->dev_queue->qdisc_sleeping;
diff --git a/include/net/sock.h b/include/net/sock.h
index 2c53f1a1d905..b03f96370f8e 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -949,8 +949,8 @@ static inline void sk_incoming_cpu_update(struct sock *sk)
{
int cpu = raw_smp_processor_id();
- if (unlikely(sk->sk_incoming_cpu != cpu))
- sk->sk_incoming_cpu = cpu;
+ if (unlikely(READ_ONCE(sk->sk_incoming_cpu) != cpu))
+ WRITE_ONCE(sk->sk_incoming_cpu, cpu);
}
static inline void sock_rps_record_flow_hash(__u32 hash)
@@ -2233,12 +2233,17 @@ struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
* sk_page_frag - return an appropriate page_frag
* @sk: socket
*
- * If socket allocation mode allows current thread to sleep, it means its
- * safe to use the per task page_frag instead of the per socket one.
+ * Use the per task page_frag instead of the per socket one for
+ * optimization when we know that we're in the normal context and owns
+ * everything that's associated with %current.
+ *
+ * gfpflags_allow_blocking() isn't enough here as direct reclaim may nest
+ * inside other socket operations and end up recursing into sk_page_frag()
+ * while it's already in use.
*/
static inline struct page_frag *sk_page_frag(struct sock *sk)
{
- if (gfpflags_allow_blocking(sk->sk_allocation))
+ if (gfpflags_normal_context(sk->sk_allocation))
return &current->task_frag;
return &sk->sk_frag;
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index 3810b340551c..6bd5ed695a5e 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -32,6 +32,7 @@ extern int scsi_ioctl_reset(struct scsi_device *, int __user *);
struct scsi_eh_save {
/* saved state */
int result;
+ unsigned int resid_len;
int eh_eflags;
enum dma_data_direction data_direction;
unsigned underflow;
diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h
index 985a5f583de4..31f76b6abf71 100644
--- a/include/sound/simple_card_utils.h
+++ b/include/sound/simple_card_utils.h
@@ -135,9 +135,9 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv,
struct link_info *li);
#ifdef DEBUG
-inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
- char *name,
- struct asoc_simple_dai *dai)
+static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
+ char *name,
+ struct asoc_simple_dai *dai)
{
struct device *dev = simple_priv_to_dev(priv);
@@ -167,7 +167,7 @@ inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
}
-inline void asoc_simple_debug_info(struct asoc_simple_priv *priv)
+static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv)
{
struct snd_soc_card *card = simple_priv_to_card(priv);
struct device *dev = simple_priv_to_dev(priv);
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index 2f6a669408bb..e83dee3212bd 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -1687,6 +1687,7 @@ TRACE_EVENT(qgroup_update_reserve,
__entry->qgid = qgroup->qgroupid;
__entry->cur_reserved = qgroup->rsv.values[type];
__entry->diff = diff;
+ __entry->type = type;
),
TP_printk_btrfs("qgid=%llu type=%s cur_reserved=%llu diff=%lld",
@@ -1709,6 +1710,7 @@ TRACE_EVENT(qgroup_meta_reserve,
TP_fast_assign_btrfs(root->fs_info,
__entry->refroot = root->root_key.objectid;
__entry->diff = diff;
+ __entry->type = type;
),
TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld",
@@ -1725,7 +1727,6 @@ TRACE_EVENT(qgroup_meta_convert,
TP_STRUCT__entry_btrfs(
__field( u64, refroot )
__field( s64, diff )
- __field( int, type )
),
TP_fast_assign_btrfs(root->fs_info,
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index edc5c887a44c..45556fe771c3 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -519,10 +519,10 @@ TRACE_EVENT(rxrpc_local,
);
TRACE_EVENT(rxrpc_peer,
- TP_PROTO(struct rxrpc_peer *peer, enum rxrpc_peer_trace op,
+ TP_PROTO(unsigned int peer_debug_id, enum rxrpc_peer_trace op,
int usage, const void *where),
- TP_ARGS(peer, op, usage, where),
+ TP_ARGS(peer_debug_id, op, usage, where),
TP_STRUCT__entry(
__field(unsigned int, peer )
@@ -532,7 +532,7 @@ TRACE_EVENT(rxrpc_peer,
),
TP_fast_assign(
- __entry->peer = peer->debug_id;
+ __entry->peer = peer_debug_id;
__entry->op = op;
__entry->usage = usage;
__entry->where = where;