diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-generic/bitops/lock.h | 14 | ||||
-rw-r--r-- | include/linux/kernel.h | 6 | ||||
-rw-r--r-- | include/linux/mISDNif.h | 2 | ||||
-rw-r--r-- | include/linux/netdevice.h | 225 | ||||
-rw-r--r-- | include/linux/nmi.h | 1 | ||||
-rw-r--r-- | include/linux/perf_event.h | 5 | ||||
-rw-r--r-- | include/linux/sunrpc/auth.h | 7 | ||||
-rw-r--r-- | include/linux/sunrpc/svc_rdma.h | 20 | ||||
-rw-r--r-- | include/linux/thermal.h | 20 | ||||
-rw-r--r-- | include/linux/trace_events.h | 7 | ||||
-rw-r--r-- | include/net/flow.h | 2 | ||||
-rw-r--r-- | include/net/inet6_connection_sock.h | 1 | ||||
-rw-r--r-- | include/net/ip_tunnels.h | 16 | ||||
-rw-r--r-- | include/net/ipv6.h | 6 | ||||
-rw-r--r-- | include/net/ping.h | 1 | ||||
-rw-r--r-- | include/net/sctp/sctp.h | 10 | ||||
-rw-r--r-- | include/net/sctp/structs.h | 2 | ||||
-rw-r--r-- | include/net/vxlan.h | 16 | ||||
-rw-r--r-- | include/trace/events/fib6.h | 2 | ||||
-rw-r--r-- | include/trace/events/kmem.h | 42 | ||||
-rw-r--r-- | include/trace/events/thermal.h | 16 | ||||
-rw-r--r-- | include/trace/events/tlb.h | 4 | ||||
-rw-r--r-- | include/trace/events/writeback.h | 121 | ||||
-rw-r--r-- | include/uapi/linux/ethtool.h | 6 | ||||
-rw-r--r-- | include/uapi/linux/if_link.h | 2 |
25 files changed, 282 insertions, 272 deletions
diff --git a/include/asm-generic/bitops/lock.h b/include/asm-generic/bitops/lock.h index c30266e94806..8ef0ccbf8167 100644 --- a/include/asm-generic/bitops/lock.h +++ b/include/asm-generic/bitops/lock.h @@ -29,16 +29,16 @@ do { \ * @nr: the bit to set * @addr: the address to start counting from * - * This operation is like clear_bit_unlock, however it is not atomic. - * It does provide release barrier semantics so it can be used to unlock - * a bit lock, however it would only be used if no other CPU can modify - * any bits in the memory until the lock is released (a good example is - * if the bit lock itself protects access to the other bits in the word). + * A weaker form of clear_bit_unlock() as used by __bit_lock_unlock(). If all + * the bits in the word are protected by this lock some archs can use weaker + * ops to safely unlock. + * + * See for example x86's implementation. */ #define __clear_bit_unlock(nr, addr) \ do { \ - smp_mb(); \ - __clear_bit(nr, addr); \ + smp_mb__before_atomic(); \ + clear_bit(nr, addr); \ } while (0) #endif /* _ASM_GENERIC_BITOPS_LOCK_H_ */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index a13c52ccd8ac..2f7775e229b0 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -618,7 +618,7 @@ do { \ #define do_trace_printk(fmt, args...) \ do { \ - static const char *trace_printk_fmt \ + static const char *trace_printk_fmt __used \ __attribute__((section("__trace_printk_fmt"))) = \ __builtin_constant_p(fmt) ? fmt : NULL; \ \ @@ -662,7 +662,7 @@ int __trace_printk(unsigned long ip, const char *fmt, ...); */ #define trace_puts(str) ({ \ - static const char *trace_printk_fmt \ + static const char *trace_printk_fmt __used \ __attribute__((section("__trace_printk_fmt"))) = \ __builtin_constant_p(str) ? str : NULL; \ \ @@ -684,7 +684,7 @@ extern void trace_dump_stack(int skip); #define ftrace_vprintk(fmt, vargs) \ do { \ if (__builtin_constant_p(fmt)) { \ - static const char *trace_printk_fmt \ + static const char *trace_printk_fmt __used \ __attribute__((section("__trace_printk_fmt"))) = \ __builtin_constant_p(fmt) ? fmt : NULL; \ \ diff --git a/include/linux/mISDNif.h b/include/linux/mISDNif.h index 246a3529ecf6..ac02c54520e9 100644 --- a/include/linux/mISDNif.h +++ b/include/linux/mISDNif.h @@ -596,7 +596,7 @@ static inline struct mISDNdevice *dev_to_mISDN(struct device *dev) } extern void set_channel_address(struct mISDNchannel *, u_int, u_int); -extern void mISDN_clock_update(struct mISDNclock *, int, struct timeval *); +extern void mISDN_clock_update(struct mISDNclock *, int, ktime_t *); extern unsigned short mISDN_clock_get(void); extern const char *mISDNDevName4ch(struct mISDNchannel *); diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 009c85adae4c..cb0d5d09c2e4 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -81,8 +81,8 @@ void netdev_set_default_ethtool_ops(struct net_device *dev, * function. Real network devices commonly used with qdiscs should only return * the driver transmit return codes though - when qdiscs are used, the actual * transmission happens asynchronously, so the value is not propagated to - * higher layers. Virtual network devices transmit synchronously, in this case - * the driver transmit return codes are consumed by dev_queue_xmit(), all + * higher layers. Virtual network devices transmit synchronously; in this case + * the driver transmit return codes are consumed by dev_queue_xmit(), and all * others are propagated to higher layers. */ @@ -129,7 +129,7 @@ static inline bool dev_xmit_complete(int rc) } /* - * Compute the worst case header length according to the protocols + * Compute the worst-case header length according to the protocols * used. */ @@ -246,7 +246,7 @@ struct hh_cache { unsigned long hh_data[HH_DATA_ALIGN(LL_MAX_HEADER) / sizeof(long)]; }; -/* Reserve HH_DATA_MOD byte aligned hard_header_len, but at least that much. +/* Reserve HH_DATA_MOD byte-aligned hard_header_len, but at least that much. * Alternative is: * dev->hard_header_len ? (dev->hard_header_len + * (HH_DATA_MOD - 1)) & ~(HH_DATA_MOD - 1) : 0 @@ -272,7 +272,7 @@ struct header_ops { }; /* These flag bits are private to the generic network queueing - * layer, they may not be explicitly referenced by any other + * layer; they may not be explicitly referenced by any other * code. */ @@ -286,7 +286,7 @@ enum netdev_state_t { /* - * This structure holds at boot time configured netdevice settings. They + * This structure holds boot-time configured netdevice settings. They * are then used in the device probing. */ struct netdev_boot_setup { @@ -304,7 +304,7 @@ struct napi_struct { /* The poll_list must only be managed by the entity which * changes the state of the NAPI_STATE_SCHED bit. This means * whoever atomically sets that bit can add this napi_struct - * to the per-cpu poll_list, and whoever clears that bit + * to the per-CPU poll_list, and whoever clears that bit * can remove from the list right before clearing the bit. */ struct list_head poll_list; @@ -350,7 +350,7 @@ typedef enum gro_result gro_result_t; * @RX_HANDLER_ANOTHER: Do another round in receive path. This is indicated in * case skb->dev was changed by rx_handler. * @RX_HANDLER_EXACT: Force exact delivery, no wildcard. - * @RX_HANDLER_PASS: Do nothing, passe the skb as if no rx_handler was called. + * @RX_HANDLER_PASS: Do nothing, pass the skb as if no rx_handler was called. * * rx_handlers are functions called from inside __netif_receive_skb(), to do * special processing of the skb, prior to delivery to protocol handlers. @@ -365,19 +365,19 @@ typedef enum gro_result gro_result_t; * Upon return, rx_handler is expected to tell __netif_receive_skb() what to * do with the skb. * - * If the rx_handler consumed to skb in some way, it should return + * If the rx_handler consumed the skb in some way, it should return * RX_HANDLER_CONSUMED. This is appropriate when the rx_handler arranged for - * the skb to be delivered in some other ways. + * the skb to be delivered in some other way. * * If the rx_handler changed skb->dev, to divert the skb to another * net_device, it should return RX_HANDLER_ANOTHER. The rx_handler for the * new device will be called if it exists. * - * If the rx_handler consider the skb should be ignored, it should return + * If the rx_handler decides the skb should be ignored, it should return * RX_HANDLER_EXACT. The skb will only be delivered to protocol handlers that * are registered on exact device (ptype->dev == skb->dev). * - * If the rx_handler didn't changed skb->dev, but want the skb to be normally + * If the rx_handler didn't change skb->dev, but wants the skb to be normally * delivered, it should return RX_HANDLER_PASS. * * A device without a registered rx_handler will behave as if rx_handler @@ -402,11 +402,11 @@ static inline bool napi_disable_pending(struct napi_struct *n) } /** - * napi_schedule_prep - check if napi can be scheduled - * @n: napi context + * napi_schedule_prep - check if NAPI can be scheduled + * @n: NAPI context * * Test if NAPI routine is already running, and if not mark - * it as running. This is used as a condition variable + * it as running. This is used as a condition variable to * insure only one NAPI poll instance runs. We also make * sure there is no pending NAPI disable. */ @@ -418,7 +418,7 @@ static inline bool napi_schedule_prep(struct napi_struct *n) /** * napi_schedule - schedule NAPI poll - * @n: napi context + * @n: NAPI context * * Schedule NAPI poll routine to be called if it is not already * running. @@ -431,7 +431,7 @@ static inline void napi_schedule(struct napi_struct *n) /** * napi_schedule_irqoff - schedule NAPI poll - * @n: napi context + * @n: NAPI context * * Variant of napi_schedule(), assuming hard irqs are masked. */ @@ -455,7 +455,7 @@ void __napi_complete(struct napi_struct *n); void napi_complete_done(struct napi_struct *n, int work_done); /** * napi_complete - NAPI processing complete - * @n: napi context + * @n: NAPI context * * Mark NAPI processing as complete. * Consider using napi_complete_done() instead. @@ -467,32 +467,32 @@ static inline void napi_complete(struct napi_struct *n) /** * napi_hash_add - add a NAPI to global hashtable - * @napi: napi context + * @napi: NAPI context * - * generate a new napi_id and store a @napi under it in napi_hash - * Used for busy polling (CONFIG_NET_RX_BUSY_POLL) + * Generate a new napi_id and store a @napi under it in napi_hash. + * Used for busy polling (CONFIG_NET_RX_BUSY_POLL). * Note: This is normally automatically done from netif_napi_add(), - * so might disappear in a future linux version. + * so might disappear in a future Linux version. */ void napi_hash_add(struct napi_struct *napi); /** * napi_hash_del - remove a NAPI from global table - * @napi: napi context + * @napi: NAPI context * - * Warning: caller must observe rcu grace period + * Warning: caller must observe RCU grace period * before freeing memory containing @napi, if * this function returns true. * Note: core networking stack automatically calls it - * from netif_napi_del() + * from netif_napi_del(). * Drivers might want to call this helper to combine all - * the needed rcu grace periods into a single one. + * the needed RCU grace periods into a single one. */ bool napi_hash_del(struct napi_struct *napi); /** * napi_disable - prevent NAPI from scheduling - * @n: napi context + * @n: NAPI context * * Stop NAPI from being scheduled on this context. * Waits till any outstanding processing completes. @@ -501,7 +501,7 @@ void napi_disable(struct napi_struct *n); /** * napi_enable - enable NAPI scheduling - * @n: napi context + * @n: NAPI context * * Resume NAPI from being scheduled on this context. * Must be paired with napi_disable. @@ -516,7 +516,7 @@ static inline void napi_enable(struct napi_struct *n) /** * napi_synchronize - wait until NAPI is not running - * @n: napi context + * @n: NAPI context * * Wait until NAPI is done being scheduled on this context. * Waits till any outstanding processing completes but @@ -559,7 +559,7 @@ enum netdev_queue_state_t { struct netdev_queue { /* - * read mostly part + * read-mostly part */ struct net_device *dev; struct Qdisc __rcu *qdisc; @@ -571,7 +571,7 @@ struct netdev_queue { int numa_node; #endif /* - * write mostly part + * write-mostly part */ spinlock_t _xmit_lock ____cacheline_aligned_in_smp; int xmit_lock_owner; @@ -648,11 +648,11 @@ struct rps_dev_flow_table { /* * The rps_sock_flow_table contains mappings of flows to the last CPU * on which they were processed by the application (set in recvmsg). - * Each entry is a 32bit value. Upper part is the high order bits - * of flow hash, lower part is cpu number. + * Each entry is a 32bit value. Upper part is the high-order bits + * of flow hash, lower part is CPU number. * rps_cpu_mask is used to partition the space, depending on number of - * possible cpus : rps_cpu_mask = roundup_pow_of_two(nr_cpu_ids) - 1 - * For example, if 64 cpus are possible, rps_cpu_mask = 0x3f, + * possible CPUs : rps_cpu_mask = roundup_pow_of_two(nr_cpu_ids) - 1 + * For example, if 64 CPUs are possible, rps_cpu_mask = 0x3f, * meaning we use 32-6=26 bits for the hash. */ struct rps_sock_flow_table { @@ -674,7 +674,7 @@ static inline void rps_record_sock_flow(struct rps_sock_flow_table *table, unsigned int index = hash & table->mask; u32 val = hash & ~rps_cpu_mask; - /* We only give a hint, preemption can change cpu under us */ + /* We only give a hint, preemption can change CPU under us */ val |= raw_smp_processor_id(); if (table->ents[index] != val) @@ -807,21 +807,21 @@ struct tc_to_netdev { * optional and can be filled with a null pointer. * * int (*ndo_init)(struct net_device *dev); - * This function is called once when network device is registered. - * The network device can use this to any late stage initializaton - * or semantic validattion. It can fail with an error code which will - * be propogated back to register_netdev + * This function is called once when a network device is registered. + * The network device can use this for any late stage initialization + * or semantic validation. It can fail with an error code which will + * be propagated back to register_netdev. * * void (*ndo_uninit)(struct net_device *dev); * This function is called when device is unregistered or when registration * fails. It is not called if init fails. * * int (*ndo_open)(struct net_device *dev); - * This function is called when network device transistions to the up + * This function is called when a network device transitions to the up * state. * * int (*ndo_stop)(struct net_device *dev); - * This function is called when network device transistions to the down + * This function is called when a network device transitions to the down * state. * * netdev_tx_t (*ndo_start_xmit)(struct sk_buff *skb, @@ -832,7 +832,7 @@ struct tc_to_netdev { * corner cases, but the stack really does a non-trivial amount * of useless work if you return NETDEV_TX_BUSY. * (can also return NETDEV_TX_LOCKED iff NETIF_F_LLTX) - * Required can not be NULL. + * Required; cannot be NULL. * * netdev_features_t (*ndo_fix_features)(struct net_device *dev, * netdev_features_t features); @@ -842,34 +842,34 @@ struct tc_to_netdev { * * u16 (*ndo_select_queue)(struct net_device *dev, struct sk_buff *skb, * void *accel_priv, select_queue_fallback_t fallback); - * Called to decide which queue to when device supports multiple + * Called to decide which queue to use when device supports multiple * transmit queues. * * void (*ndo_change_rx_flags)(struct net_device *dev, int flags); * This function is called to allow device receiver to make - * changes to configuration when multicast or promiscious is enabled. + * changes to configuration when multicast or promiscuous is enabled. * * void (*ndo_set_rx_mode)(struct net_device *dev); * This function is called device changes address list filtering. * If driver handles unicast address filtering, it should set - * IFF_UNICAST_FLT to its priv_flags. + * IFF_UNICAST_FLT in its priv_flags. * * int (*ndo_set_mac_address)(struct net_device *dev, void *addr); * This function is called when the Media Access Control address * needs to be changed. If this interface is not defined, the - * mac address can not be changed. + * MAC address can not be changed. * * int (*ndo_validate_addr)(struct net_device *dev); * Test if Media Access Control address is valid for the device. * * int (*ndo_do_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd); - * Called when a user request an ioctl which can't be handled by - * the generic interface code. If not defined ioctl's return + * Called when a user requests an ioctl which can't be handled by + * the generic interface code. If not defined ioctls return * not supported error code. * * int (*ndo_set_config)(struct net_device *dev, struct ifmap *map); * Used to set network devices bus interface parameters. This interface - * is retained for legacy reason, new devices should use the bus + * is retained for legacy reasons; new devices should use the bus * interface (PCI) for low level management. * * int (*ndo_change_mtu)(struct net_device *dev, int new_mtu); @@ -878,7 +878,7 @@ struct tc_to_netdev { * will return an error. * * void (*ndo_tx_timeout)(struct net_device *dev); - * Callback uses when the transmitter has not made any progress + * Callback used when the transmitter has not made any progress * for dev->watchdog ticks. * * struct rtnl_link_stats64* (*ndo_get_stats64)(struct net_device *dev, @@ -896,11 +896,11 @@ struct tc_to_netdev { * neither operation. * * int (*ndo_vlan_rx_add_vid)(struct net_device *dev, __be16 proto, u16 vid); - * If device support VLAN filtering this function is called when a + * If device supports VLAN filtering this function is called when a * VLAN id is registered. * * int (*ndo_vlan_rx_kill_vid)(struct net_device *dev, __be16 proto, u16 vid); - * If device support VLAN filtering this function is called when a + * If device supports VLAN filtering this function is called when a * VLAN id is unregistered. * * void (*ndo_poll_controller)(struct net_device *dev); @@ -920,7 +920,7 @@ struct tc_to_netdev { * * Enable or disable the VF ability to query its RSS Redirection Table and * Hash Key. This is needed since on some devices VF share this information - * with PF and querying it may adduce a theoretical security risk. + * with PF and querying it may introduce a theoretical security risk. * int (*ndo_set_vf_rss_query_en)(struct net_device *dev, int vf, bool setting); * int (*ndo_get_vf_port)(struct net_device *dev, int vf, struct sk_buff *skb); * int (*ndo_setup_tc)(struct net_device *dev, u8 tc) @@ -1030,20 +1030,20 @@ struct tc_to_netdev { * * void (*ndo_add_vxlan_port)(struct net_device *dev, * sa_family_t sa_family, __be16 port); - * Called by vxlan to notiy a driver about the UDP port and socket - * address family that vxlan is listnening to. It is called only when + * Called by vxlan to notify a driver about the UDP port and socket + * address family that vxlan is listening to. It is called only when * a new port starts listening. The operation is protected by the * vxlan_net->sock_lock. * * void (*ndo_add_geneve_port)(struct net_device *dev, - * sa_family_t sa_family, __be16 port); + * sa_family_t sa_family, __be16 port); * Called by geneve to notify a driver about the UDP port and socket * address family that geneve is listnening to. It is called only when * a new port starts listening. The operation is protected by the * geneve_net->sock_lock. * * void (*ndo_del_geneve_port)(struct net_device *dev, - * sa_family_t sa_family, __be16 port); + * sa_family_t sa_family, __be16 port); * Called by geneve to notify the driver about a UDP port and socket * address family that geneve is not listening to anymore. The operation * is protected by the geneve_net->sock_lock. @@ -1072,9 +1072,9 @@ struct tc_to_netdev { * Callback to use for xmit over the accelerated station. This * is used in place of ndo_start_xmit on accelerated net * devices. - * netdev_features_t (*ndo_features_check) (struct sk_buff *skb, - * struct net_device *dev - * netdev_features_t features); + * netdev_features_t (*ndo_features_check)(struct sk_buff *skb, + * struct net_device *dev + * netdev_features_t features); * Called by core transmit path to determine if device is capable of * performing offload operations on a given packet. This is to give * the device an opportunity to implement any restrictions that cannot @@ -1088,7 +1088,7 @@ struct tc_to_netdev { * int (*ndo_get_iflink)(const struct net_device *dev); * Called to get the iflink value of this device. * void (*ndo_change_proto_down)(struct net_device *dev, - * bool proto_down); + * bool proto_down); * This function is used to pass protocol port error state information * to the switch driver. The switch driver can react to the proto_down * by doing a phys down on the associated switch port. @@ -1100,7 +1100,7 @@ struct tc_to_netdev { * This function is used to specify the headroom that the skb must * consider when allocation skb during packet reception. Setting * appropriate rx headroom value allows avoiding skb head copy on - * forward. Setting a negative value reset the rx headroom to the + * forward. Setting a negative value resets the rx headroom to the * default value. * */ @@ -1299,7 +1299,7 @@ struct net_device_ops { * * These are the &struct net_device, they are only set internally * by drivers and used in the kernel. These flags are invisible to - * userspace, this means that the order of these flags can change + * userspace; this means that the order of these flags can change * during any kernel release. * * You should have a pretty good reason to be extending these flags. @@ -1323,6 +1323,10 @@ struct net_device_ops { * @IFF_LIVE_ADDR_CHANGE: device supports hardware address * change when it's running * @IFF_MACVLAN: Macvlan device + * @IFF_XMIT_DST_RELEASE_PERM: IFF_XMIT_DST_RELEASE not taking into account + * underlying stacked devices + * @IFF_IPVLAN_MASTER: IPvlan master device + * @IFF_IPVLAN_SLAVE: IPvlan slave device * @IFF_L3MDEV_MASTER: device is an L3 master device * @IFF_NO_QUEUE: device can run without qdisc attached * @IFF_OPENVSWITCH: device is a Open vSwitch master @@ -1413,10 +1417,12 @@ enum netdev_priv_flags { * * @state: Generic network queuing layer state, see netdev_state_t * @dev_list: The global list of network devices - * @napi_list: List entry, that is used for polling napi devices - * @unreg_list: List entry, that is used, when we are unregistering the - * device, see the function unregister_netdev - * @close_list: List entry, that is used, when we are closing the device + * @napi_list: List entry used for polling NAPI devices + * @unreg_list: List entry when we are unregistering the + * device; see the function unregister_netdev + * @close_list: List entry used when we are closing the device + * @ptype_all: Device-specific packet handlers for all protocols + * @ptype_specific: Device-specific, protocol-specific packet handlers * * @adj_list: Directly linked devices, like slaves for bonding * @all_adj_list: All linked devices, *including* neighbours @@ -1434,7 +1440,7 @@ enum netdev_priv_flags { * @mpls_features: Mask of features inheritable by MPLS * * @ifindex: interface index - * @group: The group, that the device belongs to + * @group: The group the device belongs to * * @stats: Statistics struct, which was left as a legacy, use * rtnl_link_stats64 instead @@ -1488,7 +1494,7 @@ enum netdev_priv_flags { * @dev_port: Used to differentiate devices that share * the same function * @addr_list_lock: XXX: need comments on this one - * @uc_promisc: Counter, that indicates, that promiscuous mode + * @uc_promisc: Counter that indicates promiscuous mode * has been enabled due to the need to listen to * additional unicast addresses in a device that * does not implement ndo_set_rx_mode() @@ -1496,9 +1502,9 @@ enum netdev_priv_flags { * @mc: multicast mac addresses * @dev_addrs: list of device hw addresses * @queues_kset: Group of all Kobjects in the Tx and RX queues - * @promiscuity: Number of times, the NIC is told to work in - * Promiscuous mode, if it becomes 0 the NIC will - * exit from working in Promiscuous mode + * @promiscuity: Number of times the NIC is told to work in + * promiscuous mode; if it becomes 0 the NIC will + * exit promiscuous mode * @allmulti: Counter, enables or disables allmulticast mode * * @vlan_info: VLAN info @@ -1544,7 +1550,7 @@ enum netdev_priv_flags { * * @trans_start: Time (in jiffies) of last Tx * @watchdog_timeo: Represents the timeout that is used by - * the watchdog ( see dev_watchdog() ) + * the watchdog (see dev_watchdog()) * @watchdog_timer: List of timers * * @pcpu_refcnt: Number of references to this device @@ -1661,8 +1667,8 @@ struct net_device { atomic_long_t rx_nohandler; #ifdef CONFIG_WIRELESS_EXT - const struct iw_handler_def * wireless_handlers; - struct iw_public_data * wireless_data; + const struct iw_handler_def *wireless_handlers; + struct iw_public_data *wireless_data; #endif const struct net_device_ops *netdev_ops; const struct ethtool_ops *ethtool_ops; @@ -1715,7 +1721,7 @@ struct net_device { unsigned int allmulti; - /* Protocol specific pointers */ + /* Protocol-specific pointers */ #if IS_ENABLED(CONFIG_VLAN_8021Q) struct vlan_info __rcu *vlan_info; @@ -1745,13 +1751,11 @@ struct net_device { /* Interface address info used in eth_type_trans() */ unsigned char *dev_addr; - #ifdef CONFIG_SYSFS struct netdev_rx_queue *_rx; unsigned int num_rx_queues; unsigned int real_num_rx_queues; - #endif unsigned long gro_flush_timeout; @@ -1843,7 +1847,7 @@ struct net_device { struct garp_port __rcu *garp_port; struct mrp_port __rcu *mrp_port; - struct device dev; + struct device dev; const struct attribute_group *sysfs_groups[4]; const struct attribute_group *sysfs_rx_queue_group; @@ -1858,9 +1862,9 @@ struct net_device { #ifdef CONFIG_DCB const struct dcbnl_rtnl_ops *dcbnl_ops; #endif - u8 num_tc; - struct netdev_tc_txq tc_to_txq[TC_MAX_QUEUE]; - u8 prio_tc_map[TC_BITMASK + 1]; + u8 num_tc; + struct netdev_tc_txq tc_to_txq[TC_MAX_QUEUE]; + u8 prio_tc_map[TC_BITMASK + 1]; #if IS_ENABLED(CONFIG_FCOE) unsigned int fcoe_ddp_xid; @@ -1868,9 +1872,9 @@ struct net_device { #if IS_ENABLED(CONFIG_CGROUP_NET_PRIO) struct netprio_map __rcu *priomap; #endif - struct phy_device *phydev; - struct lock_class_key *qdisc_tx_busylock; - bool proto_down; + struct phy_device *phydev; + struct lock_class_key *qdisc_tx_busylock; + bool proto_down; }; #define to_net_dev(d) container_of(d, struct net_device, dev) @@ -2018,7 +2022,7 @@ static inline void *netdev_priv(const struct net_device *dev) /* Set the sysfs device type for the network logical device to allow * fine-grained identification of different network device types. For - * example Ethernet, Wirelss LAN, Bluetooth, WiMAX etc. + * example Ethernet, Wireless LAN, Bluetooth, WiMAX etc. */ #define SET_NETDEV_DEVTYPE(net, devtype) ((net)->dev.type = (devtype)) @@ -2028,22 +2032,22 @@ static inline void *netdev_priv(const struct net_device *dev) #define NAPI_POLL_WEIGHT 64 /** - * netif_napi_add - initialize a napi context + * netif_napi_add - initialize a NAPI context * @dev: network device - * @napi: napi context + * @napi: NAPI context * @poll: polling function * @weight: default weight * - * netif_napi_add() must be used to initialize a napi context prior to calling - * *any* of the other napi related functions. + * netif_napi_add() must be used to initialize a NAPI context prior to calling + * *any* of the other NAPI-related functions. */ void netif_napi_add(struct net_device *dev, struct napi_struct *napi, int (*poll)(struct napi_struct *, int), int weight); /** - * netif_tx_napi_add - initialize a napi context + * netif_tx_napi_add - initialize a NAPI context * @dev: network device - * @napi: napi context + * @napi: NAPI context * @poll: polling function * @weight: default weight * @@ -2061,22 +2065,22 @@ static inline void netif_tx_napi_add(struct net_device *dev, } /** - * netif_napi_del - remove a napi context - * @napi: napi context + * netif_napi_del - remove a NAPI context + * @napi: NAPI context * - * netif_napi_del() removes a napi context from the network device napi list + * netif_napi_del() removes a NAPI context from the network device NAPI list */ void netif_napi_del(struct napi_struct *napi); struct napi_gro_cb { /* Virtual address of skb_shinfo(skb)->frags[0].page + offset. */ - void *frag0; + void *frag0; /* Length of frag0. */ unsigned int frag0_len; /* This indicates where we are processing relative to skb->data. */ - int data_offset; + int data_offset; /* This is non-zero if the packet cannot be merged with the new skb. */ u16 flush; @@ -2099,8 +2103,8 @@ struct napi_gro_cb { /* This is non-zero if the packet may be of the same flow. */ u8 same_flow:1; - /* Used in udp_gro_receive */ - u8 udp_mark:1; + /* Used in tunnel GRO receive */ + u8 encap_mark:1; /* GRO checksum is valid */ u8 csum_valid:1; @@ -2172,7 +2176,7 @@ struct udp_offload { struct udp_offload_callbacks callbacks; }; -/* often modified stats are per cpu, other are shared (netdev->stats) */ +/* often modified stats are per-CPU, other are shared (netdev->stats) */ struct pcpu_sw_netstats { u64 rx_packets; u64 rx_bytes; @@ -2269,7 +2273,7 @@ struct netdev_notifier_changeupper_info { struct netdev_notifier_info info; /* must be first */ struct net_device *upper_dev; /* new upper dev */ bool master; /* is upper dev master */ - bool linking; /* is the nofication for link or unlink */ + bool linking; /* is the notification for link or unlink */ void *upper_info; /* upper dev info */ }; @@ -2734,7 +2738,7 @@ extern int netdev_flow_limit_table_len; #endif /* CONFIG_NET_FLOW_LIMIT */ /* - * Incoming packets are placed on per-cpu queues + * Incoming packets are placed on per-CPU queues */ struct softnet_data { struct list_head poll_list; @@ -2904,7 +2908,7 @@ netif_xmit_frozen_or_drv_stopped(const struct netdev_queue *dev_queue) * @dev_queue: pointer to transmit queue * * BQL enabled drivers might use this helper in their ndo_start_xmit(), - * to give appropriate hint to the cpu. + * to give appropriate hint to the CPU. */ static inline void netdev_txq_bql_enqueue_prefetchw(struct netdev_queue *dev_queue) { @@ -2918,7 +2922,7 @@ static inline void netdev_txq_bql_enqueue_prefetchw(struct netdev_queue *dev_que * @dev_queue: pointer to transmit queue * * BQL enabled drivers might use this helper in their TX completion path, - * to give appropriate hint to the cpu. + * to give appropriate hint to the CPU. */ static inline void netdev_txq_bql_complete_prefetchw(struct netdev_queue *dev_queue) { @@ -3057,7 +3061,7 @@ static inline bool netif_running(const struct net_device *dev) } /* - * Routines to manage the subqueues on a device. We only need start + * Routines to manage the subqueues on a device. We only need start, * stop, and a check if it's stopped. All other device management is * done at the overall netdevice level. * Also test the device if we're multiqueue. @@ -3341,7 +3345,6 @@ void netif_carrier_off(struct net_device *dev); * in a "pending" state, waiting for some external event. For "on- * demand" interfaces, this new state identifies the situation where the * interface is waiting for events to place it in the up state. - * */ static inline void netif_dormant_on(struct net_device *dev) { @@ -3676,7 +3679,7 @@ void dev_uc_init(struct net_device *dev); * * Add newly added addresses to the interface, and release * addresses that have been deleted. - **/ + */ static inline int __dev_uc_sync(struct net_device *dev, int (*sync)(struct net_device *, const unsigned char *), @@ -3692,7 +3695,7 @@ static inline int __dev_uc_sync(struct net_device *dev, * @unsync: function to call if address should be removed * * Remove all addresses that were added to the device by dev_uc_sync(). - **/ + */ static inline void __dev_uc_unsync(struct net_device *dev, int (*unsync)(struct net_device *, const unsigned char *)) @@ -3720,7 +3723,7 @@ void dev_mc_init(struct net_device *dev); * * Add newly added addresses to the interface, and release * addresses that have been deleted. - **/ + */ static inline int __dev_mc_sync(struct net_device *dev, int (*sync)(struct net_device *, const unsigned char *), @@ -3736,7 +3739,7 @@ static inline int __dev_mc_sync(struct net_device *dev, * @unsync: function to call if address should be removed * * Remove all addresses that were added to the device by dev_mc_sync(). - **/ + */ static inline void __dev_mc_unsync(struct net_device *dev, int (*unsync)(struct net_device *, const unsigned char *)) diff --git a/include/linux/nmi.h b/include/linux/nmi.h index 7ec5b86735f3..4630eeae18e0 100644 --- a/include/linux/nmi.h +++ b/include/linux/nmi.h @@ -65,7 +65,6 @@ static inline bool trigger_allbutself_cpu_backtrace(void) #endif #ifdef CONFIG_LOCKUP_DETECTOR -int hw_nmi_is_cpu_stuck(struct pt_regs *); u64 hw_nmi_get_sample_period(int watchdog_thresh); extern int nmi_watchdog_enabled; extern int soft_watchdog_enabled; diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 78fda2a69ab8..f291275ffd71 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -121,6 +121,7 @@ struct hw_perf_event { struct { /* intel_cqm */ int cqm_state; u32 cqm_rmid; + int is_group_event; struct list_head cqm_events_entry; struct list_head cqm_groups_entry; struct list_head cqm_group_entry; @@ -128,6 +129,10 @@ struct hw_perf_event { struct { /* itrace */ int itrace_started; }; + struct { /* amd_power */ + u64 pwr_acc; + u64 ptsc; + }; #ifdef CONFIG_HAVE_HW_BREAKPOINT struct { /* breakpoint */ /* diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h index 1ecf13e148b8..6a241a277249 100644 --- a/include/linux/sunrpc/auth.h +++ b/include/linux/sunrpc/auth.h @@ -21,10 +21,17 @@ #include <linux/utsname.h> /* + * Maximum size of AUTH_NONE authentication information, in XDR words. + */ +#define NUL_CALLSLACK (4) +#define NUL_REPLYSLACK (2) + +/* * Size of the nodename buffer. RFC1831 specifies a hard limit of 255 bytes, * but Linux hostnames are actually limited to __NEW_UTS_LEN bytes. */ #define UNX_MAXNODENAME __NEW_UTS_LEN +#define UNX_CALLSLACK (21 + XDR_QUADLEN(UNX_MAXNODENAME)) struct rpcsec_gss_info; diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 5322fea6fe4c..3081339968c3 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -75,8 +75,10 @@ struct svc_rdma_op_ctxt { struct svc_rdma_fastreg_mr *frmr; int hdr_count; struct xdr_buf arg; + struct ib_cqe cqe; + struct ib_cqe reg_cqe; + struct ib_cqe inv_cqe; struct list_head dto_q; - enum ib_wr_opcode wr_op; enum ib_wc_status wc_status; u32 byte_len; u32 position; @@ -174,8 +176,6 @@ struct svcxprt_rdma { struct work_struct sc_work; }; /* sc_flags */ -#define RDMAXPRT_RQ_PENDING 1 -#define RDMAXPRT_SQ_PENDING 2 #define RDMAXPRT_CONN_PENDING 3 #define RPCRDMA_LISTEN_BACKLOG 10 @@ -199,7 +199,7 @@ extern int svc_rdma_handle_bc_reply(struct rpc_xprt *xprt, struct xdr_buf *rcvbuf); /* svc_rdma_marshal.c */ -extern int svc_rdma_xdr_decode_req(struct rpcrdma_msg **, struct svc_rqst *); +extern int svc_rdma_xdr_decode_req(struct rpcrdma_msg *, struct svc_rqst *); extern int svc_rdma_xdr_encode_error(struct svcxprt_rdma *, struct rpcrdma_msg *, enum rpcrdma_errcode, __be32 *); @@ -224,16 +224,22 @@ extern int rdma_read_chunk_frmr(struct svcxprt_rdma *, struct svc_rqst *, /* svc_rdma_sendto.c */ extern int svc_rdma_map_xdr(struct svcxprt_rdma *, struct xdr_buf *, - struct svc_rdma_req_map *); + struct svc_rdma_req_map *, bool); extern int svc_rdma_sendto(struct svc_rqst *); extern struct rpcrdma_read_chunk * svc_rdma_get_read_chunk(struct rpcrdma_msg *); +extern void svc_rdma_send_error(struct svcxprt_rdma *, struct rpcrdma_msg *, + int); /* svc_rdma_transport.c */ +extern void svc_rdma_wc_send(struct ib_cq *, struct ib_wc *); +extern void svc_rdma_wc_write(struct ib_cq *, struct ib_wc *); +extern void svc_rdma_wc_reg(struct ib_cq *, struct ib_wc *); +extern void svc_rdma_wc_read(struct ib_cq *, struct ib_wc *); +extern void svc_rdma_wc_inv(struct ib_cq *, struct ib_wc *); extern int svc_rdma_send(struct svcxprt_rdma *, struct ib_send_wr *); -extern void svc_rdma_send_error(struct svcxprt_rdma *, struct rpcrdma_msg *, - enum rpcrdma_errcode); extern int svc_rdma_post_recv(struct svcxprt_rdma *, gfp_t); +extern int svc_rdma_repost_recv(struct svcxprt_rdma *, gfp_t); extern int svc_rdma_create_listen(struct svc_serv *, int, struct sockaddr *); extern struct svc_rdma_op_ctxt *svc_rdma_get_context(struct svcxprt_rdma *); extern void svc_rdma_put_context(struct svc_rdma_op_ctxt *, int); diff --git a/include/linux/thermal.h b/include/linux/thermal.h index e13a1ace50e9..a55d0523f75d 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -156,6 +156,7 @@ struct thermal_attr { * @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis * @devdata: private pointer for device private data * @trips: number of trip points the thermal zone supports + * @trips_disabled; bitmap for disabled trips * @passive_delay: number of milliseconds to wait between polls when * performing passive cooling. * @polling_delay: number of milliseconds to wait between polls when @@ -191,6 +192,7 @@ struct thermal_zone_device { struct thermal_attr *trip_hyst_attrs; void *devdata; int trips; + unsigned long trips_disabled; /* bitmap for disabled trips */ int passive_delay; int polling_delay; int temperature; @@ -362,6 +364,11 @@ thermal_zone_of_sensor_register(struct device *dev, int id, void *data, const struct thermal_zone_of_device_ops *ops); void thermal_zone_of_sensor_unregister(struct device *dev, struct thermal_zone_device *tz); +struct thermal_zone_device *devm_thermal_zone_of_sensor_register( + struct device *dev, int id, void *data, + const struct thermal_zone_of_device_ops *ops); +void devm_thermal_zone_of_sensor_unregister(struct device *dev, + struct thermal_zone_device *tz); #else static inline struct thermal_zone_device * thermal_zone_of_sensor_register(struct device *dev, int id, void *data, @@ -376,6 +383,19 @@ void thermal_zone_of_sensor_unregister(struct device *dev, { } +static inline struct thermal_zone_device *devm_thermal_zone_of_sensor_register( + struct device *dev, int id, void *data, + const struct thermal_zone_of_device_ops *ops) +{ + return ERR_PTR(-ENODEV); +} + +static inline +void devm_thermal_zone_of_sensor_unregister(struct device *dev, + struct thermal_zone_device *tz) +{ +} + #endif #if IS_ENABLED(CONFIG_THERMAL) diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 705df7db4482..0810f81b6db2 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -420,7 +420,8 @@ extern int call_filter_check_discard(struct trace_event_call *call, void *rec, extern enum event_trigger_type event_triggers_call(struct trace_event_file *file, void *rec); extern void event_triggers_post_call(struct trace_event_file *file, - enum event_trigger_type tt); + enum event_trigger_type tt, + void *rec); bool trace_event_ignore_this_pid(struct trace_event_file *trace_file); @@ -507,7 +508,7 @@ event_trigger_unlock_commit(struct trace_event_file *file, trace_buffer_unlock_commit(file->tr, buffer, event, irq_flags, pc); if (tt) - event_triggers_post_call(file, tt); + event_triggers_post_call(file, tt, entry); } /** @@ -540,7 +541,7 @@ event_trigger_unlock_commit_regs(struct trace_event_file *file, irq_flags, pc, regs); if (tt) - event_triggers_post_call(file, tt); + event_triggers_post_call(file, tt, entry); } #ifdef CONFIG_BPF_EVENTS diff --git a/include/net/flow.h b/include/net/flow.h index 83969eebebf3..d47ef4bb5423 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -127,7 +127,6 @@ struct flowi6 { #define flowi6_oif __fl_common.flowic_oif #define flowi6_iif __fl_common.flowic_iif #define flowi6_mark __fl_common.flowic_mark -#define flowi6_tos __fl_common.flowic_tos #define flowi6_scope __fl_common.flowic_scope #define flowi6_proto __fl_common.flowic_proto #define flowi6_flags __fl_common.flowic_flags @@ -135,6 +134,7 @@ struct flowi6 { #define flowi6_tun_key __fl_common.flowic_tun_key struct in6_addr daddr; struct in6_addr saddr; + /* Note: flowi6_tos is encoded in flowlabel, too. */ __be32 flowlabel; union flowi_uli uli; #define fl6_sport uli.ports.sport diff --git a/include/net/inet6_connection_sock.h b/include/net/inet6_connection_sock.h index 064cfbe639d0..954ad6bfb56a 100644 --- a/include/net/inet6_connection_sock.h +++ b/include/net/inet6_connection_sock.h @@ -15,7 +15,6 @@ #include <linux/types.h> -struct in6_addr; struct inet_bind_bucket; struct request_sock; struct sk_buff; diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index c35dda9ec991..56050f913339 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -305,6 +305,22 @@ struct metadata_dst *iptunnel_metadata_reply(struct metadata_dst *md, struct sk_buff *iptunnel_handle_offloads(struct sk_buff *skb, int gso_type_mask); +static inline int iptunnel_pull_offloads(struct sk_buff *skb) +{ + if (skb_is_gso(skb)) { + int err; + + err = skb_unclone(skb, GFP_ATOMIC); + if (unlikely(err)) + return err; + skb_shinfo(skb)->gso_type &= ~(NETIF_F_GSO_ENCAP_ALL >> + NETIF_F_GSO_SHIFT); + } + + skb->encapsulation = 0; + return 0; +} + static inline void iptunnel_xmit_stats(struct net_device *dev, int pkt_len) { if (pkt_len > 0) { diff --git a/include/net/ipv6.h b/include/net/ipv6.h index f3c9857c645d..d0aeb97aec5d 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -835,6 +835,12 @@ static inline u8 ip6_tclass(__be32 flowinfo) { return ntohl(flowinfo & IPV6_TCLASS_MASK) >> IPV6_TCLASS_SHIFT; } + +static inline __be32 ip6_make_flowinfo(unsigned int tclass, __be32 flowlabel) +{ + return htonl(tclass << IPV6_TCLASS_SHIFT) | flowlabel; +} + /* * Prototypes exported by ipv6 */ diff --git a/include/net/ping.h b/include/net/ping.h index 5fd7cc244833..4cd90d6b5c25 100644 --- a/include/net/ping.h +++ b/include/net/ping.h @@ -79,7 +79,6 @@ int ping_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock, int flags, int *addr_len); int ping_common_sendmsg(int family, struct msghdr *msg, size_t len, void *user_icmph, size_t icmph_len); -int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len); int ping_queue_rcv_skb(struct sock *sk, struct sk_buff *skb); bool ping_rcv(struct sk_buff *skb); diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 835aa2ed9870..65521cfdcade 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -82,6 +82,11 @@ #define SCTP_PROTOSW_FLAG INET_PROTOSW_PERMANENT #endif +/* Round an int up to the next multiple of 4. */ +#define WORD_ROUND(s) (((s)+3)&~3) +/* Truncate to the previous multiple of 4. */ +#define WORD_TRUNC(s) ((s)&~3) + /* * Function declarations. */ @@ -426,7 +431,7 @@ static inline int sctp_frag_point(const struct sctp_association *asoc, int pmtu) if (asoc->user_frag) frag = min_t(int, frag, asoc->user_frag); - frag = min_t(int, frag, SCTP_MAX_CHUNK_LEN); + frag = WORD_TRUNC(min_t(int, frag, SCTP_MAX_CHUNK_LEN)); return frag; } @@ -475,9 +480,6 @@ for (pos = chunk->subh.fwdtsn_hdr->skip;\ (void *)pos <= (void *)chunk->subh.fwdtsn_hdr->skip + end - sizeof(struct sctp_fwdtsn_skip);\ pos++) -/* Round an int up to the next multiple of 4. */ -#define WORD_ROUND(s) (((s)+3)&~3) - /* External references. */ extern struct proto sctp_prot; diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index e2ac0620d4be..6df1ce7a411c 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1097,7 +1097,7 @@ int sctp_bind_addr_dup(struct sctp_bind_addr *dest, const struct sctp_bind_addr *src, gfp_t gfp); int sctp_add_bind_addr(struct sctp_bind_addr *, union sctp_addr *, - __u8 addr_state, gfp_t gfp); + int new_size, __u8 addr_state, gfp_t gfp); int sctp_del_bind_addr(struct sctp_bind_addr *, union sctp_addr *); int sctp_bind_addr_match(struct sctp_bind_addr *, const union sctp_addr *, struct sctp_sock *); diff --git a/include/net/vxlan.h b/include/net/vxlan.h index a763c96ecde4..73ed2e951c02 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -271,36 +271,36 @@ static inline struct vxlanhdr *vxlan_hdr(struct sk_buff *skb) static inline __be32 vxlan_vni(__be32 vni_field) { #if defined(__BIG_ENDIAN) - return vni_field >> 8; + return (__force __be32)((__force u32)vni_field >> 8); #else - return (vni_field & VXLAN_VNI_MASK) << 8; + return (__force __be32)((__force u32)(vni_field & VXLAN_VNI_MASK) << 8); #endif } static inline __be32 vxlan_vni_field(__be32 vni) { #if defined(__BIG_ENDIAN) - return vni << 8; + return (__force __be32)((__force u32)vni << 8); #else - return vni >> 8; + return (__force __be32)((__force u32)vni >> 8); #endif } static inline __be32 vxlan_tun_id_to_vni(__be64 tun_id) { #if defined(__BIG_ENDIAN) - return tun_id; + return (__force __be32)tun_id; #else - return tun_id >> 32; + return (__force __be32)((__force u64)tun_id >> 32); #endif } static inline __be64 vxlan_vni_to_tun_id(__be32 vni) { #if defined(__BIG_ENDIAN) - return (__be64)vni; + return (__force __be64)vni; #else - return (__be64)vni << 32; + return (__force __be64)((u64)(__force u32)vni << 32); #endif } diff --git a/include/trace/events/fib6.h b/include/trace/events/fib6.h index 4cf6bac4686d..d60096cddb2a 100644 --- a/include/trace/events/fib6.h +++ b/include/trace/events/fib6.h @@ -37,7 +37,7 @@ TRACE_EVENT(fib6_table_lookup, __entry->tb_id = tb_id; __entry->oif = flp->flowi6_oif; __entry->iif = flp->flowi6_iif; - __entry->tos = flp->flowi6_tos; + __entry->tos = ip6_tclass(flp->flowlabel); __entry->scope = flp->flowi6_scope; __entry->flags = flp->flowi6_flags; diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h index ca7217389067..6b2e154fd23a 100644 --- a/include/trace/events/kmem.h +++ b/include/trace/events/kmem.h @@ -140,42 +140,19 @@ DEFINE_EVENT(kmem_free, kfree, TP_ARGS(call_site, ptr) ); -DEFINE_EVENT_CONDITION(kmem_free, kmem_cache_free, +DEFINE_EVENT(kmem_free, kmem_cache_free, TP_PROTO(unsigned long call_site, const void *ptr), - TP_ARGS(call_site, ptr), - - /* - * This trace can be potentially called from an offlined cpu. - * Since trace points use RCU and RCU should not be used from - * offline cpus, filter such calls out. - * While this trace can be called from a preemptable section, - * it has no impact on the condition since tasks can migrate - * only from online cpus to other online cpus. Thus its safe - * to use raw_smp_processor_id. - */ - TP_CONDITION(cpu_online(raw_smp_processor_id())) + TP_ARGS(call_site, ptr) ); -TRACE_EVENT_CONDITION(mm_page_free, +TRACE_EVENT(mm_page_free, TP_PROTO(struct page *page, unsigned int order), TP_ARGS(page, order), - - /* - * This trace can be potentially called from an offlined cpu. - * Since trace points use RCU and RCU should not be used from - * offline cpus, filter such calls out. - * While this trace can be called from a preemptable section, - * it has no impact on the condition since tasks can migrate - * only from online cpus to other online cpus. Thus its safe - * to use raw_smp_processor_id. - */ - TP_CONDITION(cpu_online(raw_smp_processor_id())), - TP_STRUCT__entry( __field( unsigned long, pfn ) __field( unsigned int, order ) @@ -276,23 +253,12 @@ DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked, TP_ARGS(page, order, migratetype) ); -TRACE_EVENT_CONDITION(mm_page_pcpu_drain, +TRACE_EVENT(mm_page_pcpu_drain, TP_PROTO(struct page *page, unsigned int order, int migratetype), TP_ARGS(page, order, migratetype), - /* - * This trace can be potentially called from an offlined cpu. - * Since trace points use RCU and RCU should not be used from - * offline cpus, filter such calls out. - * While this trace can be called from a preemptable section, - * it has no impact on the condition since tasks can migrate - * only from online cpus to other online cpus. Thus its safe - * to use raw_smp_processor_id. - */ - TP_CONDITION(cpu_online(raw_smp_processor_id())), - TP_STRUCT__entry( __field( unsigned long, pfn ) __field( unsigned int, order ) diff --git a/include/trace/events/thermal.h b/include/trace/events/thermal.h index 5738bb3e2343..2b4a8ff72d0d 100644 --- a/include/trace/events/thermal.h +++ b/include/trace/events/thermal.h @@ -8,6 +8,18 @@ #include <linux/thermal.h> #include <linux/tracepoint.h> +TRACE_DEFINE_ENUM(THERMAL_TRIP_CRITICAL); +TRACE_DEFINE_ENUM(THERMAL_TRIP_HOT); +TRACE_DEFINE_ENUM(THERMAL_TRIP_PASSIVE); +TRACE_DEFINE_ENUM(THERMAL_TRIP_ACTIVE); + +#define show_tzt_type(type) \ + __print_symbolic(type, \ + { THERMAL_TRIP_CRITICAL, "CRITICAL"}, \ + { THERMAL_TRIP_HOT, "HOT"}, \ + { THERMAL_TRIP_PASSIVE, "PASSIVE"}, \ + { THERMAL_TRIP_ACTIVE, "ACTIVE"}) + TRACE_EVENT(thermal_temperature, TP_PROTO(struct thermal_zone_device *tz), @@ -73,9 +85,9 @@ TRACE_EVENT(thermal_zone_trip, __entry->trip_type = trip_type; ), - TP_printk("thermal_zone=%s id=%d trip=%d trip_type=%d", + TP_printk("thermal_zone=%s id=%d trip=%d trip_type=%s", __get_str(thermal_zone), __entry->id, __entry->trip, - __entry->trip_type) + show_tzt_type(__entry->trip_type)) ); TRACE_EVENT(thermal_power_cpu_get_power, diff --git a/include/trace/events/tlb.h b/include/trace/events/tlb.h index bc8815f45f3b..9d14b1992108 100644 --- a/include/trace/events/tlb.h +++ b/include/trace/events/tlb.h @@ -34,13 +34,11 @@ TLB_FLUSH_REASON #define EM(a,b) { a, b }, #define EMe(a,b) { a, b } -TRACE_EVENT_CONDITION(tlb_flush, +TRACE_EVENT(tlb_flush, TP_PROTO(int reason, unsigned long pages), TP_ARGS(reason, pages), - TP_CONDITION(cpu_online(smp_processor_id())), - TP_STRUCT__entry( __field( int, reason) __field(unsigned long, pages) diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index fff846b512e6..73614ce1d204 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -134,58 +134,28 @@ DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode, #ifdef CREATE_TRACE_POINTS #ifdef CONFIG_CGROUP_WRITEBACK -static inline size_t __trace_wb_cgroup_size(struct bdi_writeback *wb) +static inline unsigned int __trace_wb_assign_cgroup(struct bdi_writeback *wb) { - return kernfs_path_len(wb->memcg_css->cgroup->kn) + 1; + return wb->memcg_css->cgroup->kn->ino; } -static inline void __trace_wb_assign_cgroup(char *buf, struct bdi_writeback *wb) -{ - struct cgroup *cgrp = wb->memcg_css->cgroup; - char *path; - - path = cgroup_path(cgrp, buf, kernfs_path_len(cgrp->kn) + 1); - WARN_ON_ONCE(path != buf); -} - -static inline size_t __trace_wbc_cgroup_size(struct writeback_control *wbc) -{ - if (wbc->wb) - return __trace_wb_cgroup_size(wbc->wb); - else - return 2; -} - -static inline void __trace_wbc_assign_cgroup(char *buf, - struct writeback_control *wbc) +static inline unsigned int __trace_wbc_assign_cgroup(struct writeback_control *wbc) { if (wbc->wb) - __trace_wb_assign_cgroup(buf, wbc->wb); + return __trace_wb_assign_cgroup(wbc->wb); else - strcpy(buf, "/"); + return -1U; } - #else /* CONFIG_CGROUP_WRITEBACK */ -static inline size_t __trace_wb_cgroup_size(struct bdi_writeback *wb) -{ - return 2; -} - -static inline void __trace_wb_assign_cgroup(char *buf, struct bdi_writeback *wb) -{ - strcpy(buf, "/"); -} - -static inline size_t __trace_wbc_cgroup_size(struct writeback_control *wbc) +static inline unsigned int __trace_wb_assign_cgroup(struct bdi_writeback *wb) { - return 2; + return -1U; } -static inline void __trace_wbc_assign_cgroup(char *buf, - struct writeback_control *wbc) +static inline unsigned int __trace_wbc_assign_cgroup(struct writeback_control *wbc) { - strcpy(buf, "/"); + return -1U; } #endif /* CONFIG_CGROUP_WRITEBACK */ @@ -201,7 +171,7 @@ DECLARE_EVENT_CLASS(writeback_write_inode_template, __array(char, name, 32) __field(unsigned long, ino) __field(int, sync_mode) - __dynamic_array(char, cgroup, __trace_wbc_cgroup_size(wbc)) + __field(unsigned int, cgroup_ino) ), TP_fast_assign( @@ -209,14 +179,14 @@ DECLARE_EVENT_CLASS(writeback_write_inode_template, dev_name(inode_to_bdi(inode)->dev), 32); __entry->ino = inode->i_ino; __entry->sync_mode = wbc->sync_mode; - __trace_wbc_assign_cgroup(__get_str(cgroup), wbc); + __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc); ), - TP_printk("bdi %s: ino=%lu sync_mode=%d cgroup=%s", + TP_printk("bdi %s: ino=%lu sync_mode=%d cgroup_ino=%u", __entry->name, __entry->ino, __entry->sync_mode, - __get_str(cgroup) + __entry->cgroup_ino ) ); @@ -246,7 +216,7 @@ DECLARE_EVENT_CLASS(writeback_work_class, __field(int, range_cyclic) __field(int, for_background) __field(int, reason) - __dynamic_array(char, cgroup, __trace_wb_cgroup_size(wb)) + __field(unsigned int, cgroup_ino) ), TP_fast_assign( strncpy(__entry->name, @@ -258,10 +228,10 @@ DECLARE_EVENT_CLASS(writeback_work_class, __entry->range_cyclic = work->range_cyclic; __entry->for_background = work->for_background; __entry->reason = work->reason; - __trace_wb_assign_cgroup(__get_str(cgroup), wb); + __entry->cgroup_ino = __trace_wb_assign_cgroup(wb); ), TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d " - "kupdate=%d range_cyclic=%d background=%d reason=%s cgroup=%s", + "kupdate=%d range_cyclic=%d background=%d reason=%s cgroup_ino=%u", __entry->name, MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev), __entry->nr_pages, @@ -270,7 +240,7 @@ DECLARE_EVENT_CLASS(writeback_work_class, __entry->range_cyclic, __entry->for_background, __print_symbolic(__entry->reason, WB_WORK_REASON), - __get_str(cgroup) + __entry->cgroup_ino ) ); #define DEFINE_WRITEBACK_WORK_EVENT(name) \ @@ -300,15 +270,15 @@ DECLARE_EVENT_CLASS(writeback_class, TP_ARGS(wb), TP_STRUCT__entry( __array(char, name, 32) - __dynamic_array(char, cgroup, __trace_wb_cgroup_size(wb)) + __field(unsigned int, cgroup_ino) ), TP_fast_assign( strncpy(__entry->name, dev_name(wb->bdi->dev), 32); - __trace_wb_assign_cgroup(__get_str(cgroup), wb); + __entry->cgroup_ino = __trace_wb_assign_cgroup(wb); ), - TP_printk("bdi %s: cgroup=%s", + TP_printk("bdi %s: cgroup_ino=%u", __entry->name, - __get_str(cgroup) + __entry->cgroup_ino ) ); #define DEFINE_WRITEBACK_EVENT(name) \ @@ -347,7 +317,7 @@ DECLARE_EVENT_CLASS(wbc_class, __field(int, range_cyclic) __field(long, range_start) __field(long, range_end) - __dynamic_array(char, cgroup, __trace_wbc_cgroup_size(wbc)) + __field(unsigned int, cgroup_ino) ), TP_fast_assign( @@ -361,12 +331,12 @@ DECLARE_EVENT_CLASS(wbc_class, __entry->range_cyclic = wbc->range_cyclic; __entry->range_start = (long)wbc->range_start; __entry->range_end = (long)wbc->range_end; - __trace_wbc_assign_cgroup(__get_str(cgroup), wbc); + __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc); ), TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d " "bgrd=%d reclm=%d cyclic=%d " - "start=0x%lx end=0x%lx cgroup=%s", + "start=0x%lx end=0x%lx cgroup_ino=%u", __entry->name, __entry->nr_to_write, __entry->pages_skipped, @@ -377,7 +347,7 @@ DECLARE_EVENT_CLASS(wbc_class, __entry->range_cyclic, __entry->range_start, __entry->range_end, - __get_str(cgroup) + __entry->cgroup_ino ) ) @@ -398,7 +368,7 @@ TRACE_EVENT(writeback_queue_io, __field(long, age) __field(int, moved) __field(int, reason) - __dynamic_array(char, cgroup, __trace_wb_cgroup_size(wb)) + __field(unsigned int, cgroup_ino) ), TP_fast_assign( unsigned long *older_than_this = work->older_than_this; @@ -408,15 +378,15 @@ TRACE_EVENT(writeback_queue_io, (jiffies - *older_than_this) * 1000 / HZ : -1; __entry->moved = moved; __entry->reason = work->reason; - __trace_wb_assign_cgroup(__get_str(cgroup), wb); + __entry->cgroup_ino = __trace_wb_assign_cgroup(wb); ), - TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s cgroup=%s", + TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s cgroup_ino=%u", __entry->name, __entry->older, /* older_than_this in jiffies */ __entry->age, /* older_than_this in relative milliseconds */ __entry->moved, __print_symbolic(__entry->reason, WB_WORK_REASON), - __get_str(cgroup) + __entry->cgroup_ino ) ); @@ -484,7 +454,7 @@ TRACE_EVENT(bdi_dirty_ratelimit, __field(unsigned long, dirty_ratelimit) __field(unsigned long, task_ratelimit) __field(unsigned long, balanced_dirty_ratelimit) - __dynamic_array(char, cgroup, __trace_wb_cgroup_size(wb)) + __field(unsigned int, cgroup_ino) ), TP_fast_assign( @@ -496,13 +466,13 @@ TRACE_EVENT(bdi_dirty_ratelimit, __entry->task_ratelimit = KBps(task_ratelimit); __entry->balanced_dirty_ratelimit = KBps(wb->balanced_dirty_ratelimit); - __trace_wb_assign_cgroup(__get_str(cgroup), wb); + __entry->cgroup_ino = __trace_wb_assign_cgroup(wb); ), TP_printk("bdi %s: " "write_bw=%lu awrite_bw=%lu dirty_rate=%lu " "dirty_ratelimit=%lu task_ratelimit=%lu " - "balanced_dirty_ratelimit=%lu cgroup=%s", + "balanced_dirty_ratelimit=%lu cgroup_ino=%u", __entry->bdi, __entry->write_bw, /* write bandwidth */ __entry->avg_write_bw, /* avg write bandwidth */ @@ -510,7 +480,7 @@ TRACE_EVENT(bdi_dirty_ratelimit, __entry->dirty_ratelimit, /* base ratelimit */ __entry->task_ratelimit, /* ratelimit with position control */ __entry->balanced_dirty_ratelimit, /* the balanced ratelimit */ - __get_str(cgroup) + __entry->cgroup_ino ) ); @@ -548,7 +518,7 @@ TRACE_EVENT(balance_dirty_pages, __field( long, pause) __field(unsigned long, period) __field( long, think) - __dynamic_array(char, cgroup, __trace_wb_cgroup_size(wb)) + __field(unsigned int, cgroup_ino) ), TP_fast_assign( @@ -571,7 +541,7 @@ TRACE_EVENT(balance_dirty_pages, __entry->period = period * 1000 / HZ; __entry->pause = pause * 1000 / HZ; __entry->paused = (jiffies - start_time) * 1000 / HZ; - __trace_wb_assign_cgroup(__get_str(cgroup), wb); + __entry->cgroup_ino = __trace_wb_assign_cgroup(wb); ), @@ -580,7 +550,7 @@ TRACE_EVENT(balance_dirty_pages, "bdi_setpoint=%lu bdi_dirty=%lu " "dirty_ratelimit=%lu task_ratelimit=%lu " "dirtied=%u dirtied_pause=%u " - "paused=%lu pause=%ld period=%lu think=%ld cgroup=%s", + "paused=%lu pause=%ld period=%lu think=%ld cgroup_ino=%u", __entry->bdi, __entry->limit, __entry->setpoint, @@ -595,7 +565,7 @@ TRACE_EVENT(balance_dirty_pages, __entry->pause, /* ms */ __entry->period, /* ms */ __entry->think, /* ms */ - __get_str(cgroup) + __entry->cgroup_ino ) ); @@ -609,8 +579,7 @@ TRACE_EVENT(writeback_sb_inodes_requeue, __field(unsigned long, ino) __field(unsigned long, state) __field(unsigned long, dirtied_when) - __dynamic_array(char, cgroup, - __trace_wb_cgroup_size(inode_to_wb(inode))) + __field(unsigned int, cgroup_ino) ), TP_fast_assign( @@ -619,16 +588,16 @@ TRACE_EVENT(writeback_sb_inodes_requeue, __entry->ino = inode->i_ino; __entry->state = inode->i_state; __entry->dirtied_when = inode->dirtied_when; - __trace_wb_assign_cgroup(__get_str(cgroup), inode_to_wb(inode)); + __entry->cgroup_ino = __trace_wb_assign_cgroup(inode_to_wb(inode)); ), - TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu cgroup=%s", + TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu cgroup_ino=%u", __entry->name, __entry->ino, show_inode_state(__entry->state), __entry->dirtied_when, (jiffies - __entry->dirtied_when) / HZ, - __get_str(cgroup) + __entry->cgroup_ino ) ); @@ -684,7 +653,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template, __field(unsigned long, writeback_index) __field(long, nr_to_write) __field(unsigned long, wrote) - __dynamic_array(char, cgroup, __trace_wbc_cgroup_size(wbc)) + __field(unsigned int, cgroup_ino) ), TP_fast_assign( @@ -696,11 +665,11 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template, __entry->writeback_index = inode->i_mapping->writeback_index; __entry->nr_to_write = nr_to_write; __entry->wrote = nr_to_write - wbc->nr_to_write; - __trace_wbc_assign_cgroup(__get_str(cgroup), wbc); + __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc); ), TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu " - "index=%lu to_write=%ld wrote=%lu cgroup=%s", + "index=%lu to_write=%ld wrote=%lu cgroup_ino=%u", __entry->name, __entry->ino, show_inode_state(__entry->state), @@ -709,7 +678,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template, __entry->writeback_index, __entry->nr_to_write, __entry->wrote, - __get_str(cgroup) + __entry->cgroup_ino ) ); diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index 2835b07416b7..9222db8ccccc 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -1648,9 +1648,9 @@ enum ethtool_reset_flags { * %ETHTOOL_GLINKSETTINGS: on entry, number of words passed by user * (>= 0); on return, if handshake in progress, negative if * request size unsupported by kernel: absolute value indicates - * kernel recommended size and cmd field is 0, as well as all the - * other fields; otherwise (handshake completed), strictly - * positive to indicate size used by kernel and cmd field is + * kernel expected size and all the other fields but cmd + * are 0; otherwise (handshake completed), strictly positive + * to indicate size used by kernel and cmd field stays * %ETHTOOL_GLINKSETTINGS, all other fields populated by driver. For * %ETHTOOL_SLINKSETTINGS: must be valid on entry, ie. a positive * value returned previously by %ETHTOOL_GLINKSETTINGS, otherwise diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h index a62a0129d614..c488066fb53a 100644 --- a/include/uapi/linux/if_link.h +++ b/include/uapi/linux/if_link.h @@ -153,6 +153,8 @@ enum { IFLA_LINK_NETNSID, IFLA_PHYS_PORT_NAME, IFLA_PROTO_DOWN, + IFLA_GSO_MAX_SEGS, + IFLA_GSO_MAX_SIZE, __IFLA_MAX }; |