diff options
Diffstat (limited to 'include/linux')
54 files changed, 329 insertions, 111 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index d1b04b0e99cf..a7e29fa0981f 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -426,6 +426,7 @@ extern void bio_advance(struct bio *, unsigned); extern void bio_init(struct bio *bio, struct bio_vec *table, unsigned short max_vecs); +extern void bio_uninit(struct bio *); extern void bio_reset(struct bio *); void bio_chain(struct bio *, struct bio *); diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index c47aa248c640..fcd641032f8d 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -238,7 +238,6 @@ void blk_mq_add_to_requeue_list(struct request *rq, bool at_head, bool kick_requeue_list); void blk_mq_kick_requeue_list(struct request_queue *q); void blk_mq_delay_kick_requeue_list(struct request_queue *q, unsigned long msecs); -void blk_mq_abort_requeue_list(struct request_queue *q); void blk_mq_complete_request(struct request *rq); bool blk_mq_queue_stopped(struct request_queue *q); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ab92c4ea138b..1ddd36bd2173 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -391,6 +391,8 @@ struct request_queue { int nr_rqs[2]; /* # allocated [a]sync rqs */ int nr_rqs_elvpriv; /* # allocated rqs w/ elvpriv */ + atomic_t shared_hctx_restart; + struct blk_queue_stats *stats; struct rq_wb *rq_wb; @@ -586,6 +588,8 @@ struct request_queue { size_t cmd_size; void *rq_alloc_data; + + struct work_struct release_work; }; #define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */ diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 5efb4db44e1e..d5093b52b485 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -40,6 +40,9 @@ struct bpf_reg_state { */ s64 min_value; u64 max_value; + u32 min_align; + u32 aux_off; + u32 aux_off_align; }; enum bpf_stack_slot_type { @@ -87,6 +90,7 @@ struct bpf_verifier_env { struct bpf_prog *prog; /* eBPF program being verified */ struct bpf_verifier_stack_elem *head; /* stack of verifier states to be processed */ int stack_size; /* number of states to be processed */ + bool strict_alignment; /* perform strict pointer alignment checks */ struct bpf_verifier_state cur_state; /* current verifier state */ struct bpf_verifier_state_list **explored_states; /* search pruning optimization */ const struct bpf_ext_analyzer_ops *analyzer_ops; /* external analyzer ops */ diff --git a/include/linux/ceph/ceph_debug.h b/include/linux/ceph/ceph_debug.h index aa2e19182d99..51c5bd64bd00 100644 --- a/include/linux/ceph/ceph_debug.h +++ b/include/linux/ceph/ceph_debug.h @@ -3,6 +3,8 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/string.h> + #ifdef CONFIG_CEPH_LIB_PRETTYDEBUG /* @@ -12,12 +14,10 @@ */ # if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) -extern const char *ceph_file_part(const char *s, int len); # define dout(fmt, ...) \ pr_debug("%.*s %12.12s:%-4d : " fmt, \ 8 - (int)sizeof(KBUILD_MODNAME), " ", \ - ceph_file_part(__FILE__, sizeof(__FILE__)), \ - __LINE__, ##__VA_ARGS__) + kbasename(__FILE__), __LINE__, ##__VA_ARGS__) # else /* faux printk call just to see any compiler warnings. */ # define dout(fmt, ...) do { \ diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 21745946cae1..ec47101cb1bf 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -48,6 +48,7 @@ enum { CSS_ONLINE = (1 << 1), /* between ->css_online() and ->css_offline() */ CSS_RELEASED = (1 << 2), /* refcnt reached zero, released */ CSS_VISIBLE = (1 << 3), /* css is visible to userland */ + CSS_DYING = (1 << 4), /* css is dying */ }; /* bits in struct cgroup flags field */ diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index ed2573e149fa..710a005c6b7a 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -344,6 +344,26 @@ static inline bool css_tryget_online(struct cgroup_subsys_state *css) } /** + * css_is_dying - test whether the specified css is dying + * @css: target css + * + * Test whether @css is in the process of offlining or already offline. In + * most cases, ->css_online() and ->css_offline() callbacks should be + * enough; however, the actual offline operations are RCU delayed and this + * test returns %true also when @css is scheduled to be offlined. + * + * This is useful, for example, when the use case requires synchronous + * behavior with respect to cgroup removal. cgroup removal schedules css + * offlining but the css can seem alive while the operation is being + * delayed. If the delay affects user visible semantics, this test can be + * used to resolve the situation. + */ +static inline bool css_is_dying(struct cgroup_subsys_state *css) +{ + return !(css->flags & CSS_NO_REF) && percpu_ref_is_dying(&css->refcnt); +} + +/** * css_put - put a css reference * @css: target css * diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index de179993e039..d614c5ea1b5e 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -15,3 +15,11 @@ * with any version that can compile the kernel */ #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) + +/* + * GCC does not warn about unused static inline functions for + * -Wunused-function. This turns out to avoid the need for complex #ifdef + * directives. Suppress the warning in clang as well. + */ +#undef inline +#define inline inline __attribute__((unused)) notrace diff --git a/include/linux/configfs.h b/include/linux/configfs.h index 2319b8c108e8..c96709049683 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -74,7 +74,8 @@ extern void config_item_init_type_name(struct config_item *item, const char *name, struct config_item_type *type); -extern struct config_item * config_item_get(struct config_item *); +extern struct config_item *config_item_get(struct config_item *); +extern struct config_item *config_item_get_unless_zero(struct config_item *); extern void config_item_put(struct config_item *); struct config_item_type { diff --git a/include/linux/dax.h b/include/linux/dax.h index 00ebac854bb7..5ec1f6c47716 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -18,6 +18,20 @@ struct dax_operations { void **, pfn_t *); }; +#if IS_ENABLED(CONFIG_DAX) +struct dax_device *dax_get_by_host(const char *host); +void put_dax(struct dax_device *dax_dev); +#else +static inline struct dax_device *dax_get_by_host(const char *host) +{ + return NULL; +} + +static inline void put_dax(struct dax_device *dax_dev) +{ +} +#endif + int bdev_dax_pgoff(struct block_device *, sector_t, size_t, pgoff_t *pgoff); #if IS_ENABLED(CONFIG_FS_DAX) int __bdev_dax_supported(struct super_block *sb, int blocksize); @@ -25,23 +39,29 @@ static inline int bdev_dax_supported(struct super_block *sb, int blocksize) { return __bdev_dax_supported(sb, blocksize); } + +static inline struct dax_device *fs_dax_get_by_host(const char *host) +{ + return dax_get_by_host(host); +} + +static inline void fs_put_dax(struct dax_device *dax_dev) +{ + put_dax(dax_dev); +} + #else static inline int bdev_dax_supported(struct super_block *sb, int blocksize) { return -EOPNOTSUPP; } -#endif -#if IS_ENABLED(CONFIG_DAX) -struct dax_device *dax_get_by_host(const char *host); -void put_dax(struct dax_device *dax_dev); -#else -static inline struct dax_device *dax_get_by_host(const char *host) +static inline struct dax_device *fs_dax_get_by_host(const char *host) { return NULL; } -static inline void put_dax(struct dax_device *dax_dev) +static inline void fs_put_dax(struct dax_device *dax_dev) { } #endif diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h index 4eac2670bfa1..92f20832fd28 100644 --- a/include/linux/dma-iommu.h +++ b/include/linux/dma-iommu.h @@ -78,6 +78,7 @@ void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list); struct iommu_domain; struct msi_msg; +struct device; static inline int iommu_dma_init(void) { diff --git a/include/linux/dmi.h b/include/linux/dmi.h index 5e9c74cf8894..9bbf21a516e4 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -136,7 +136,7 @@ static inline int dmi_name_in_vendors(const char *s) { return 0; } static inline int dmi_name_in_serial(const char *s) { return 0; } #define dmi_available 0 static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *), - void *private_data) { return -1; } + void *private_data) { return -ENXIO; } static inline bool dmi_match(enum dmi_field f, const char *str) { return false; } static inline void dmi_memdev_name(u16 handle, const char **bank, diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 9ec5e22846e0..0e306c5a86d6 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -153,7 +153,7 @@ struct elevator_type #endif /* managed by elevator core */ - char icq_cache_name[ELV_NAME_MAX + 5]; /* elvname + "_io_cq" */ + char icq_cache_name[ELV_NAME_MAX + 6]; /* elvname + "_io_cq" */ struct list_head list; }; diff --git a/include/linux/filter.h b/include/linux/filter.h index 56197f82af45..62d948f80730 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -272,6 +272,16 @@ struct bpf_prog_aux; .off = OFF, \ .imm = IMM }) +/* Unconditional jumps, goto pc + off16 */ + +#define BPF_JMP_A(OFF) \ + ((struct bpf_insn) { \ + .code = BPF_JMP | BPF_JA, \ + .dst_reg = 0, \ + .src_reg = 0, \ + .off = OFF, \ + .imm = 0 }) + /* Function call */ #define BPF_EMIT_CALL(FUNC) \ diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 2b1a44f5bdb6..a89d37e8b387 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -41,7 +41,7 @@ struct vm_area_struct; #define ___GFP_WRITE 0x800000u #define ___GFP_KSWAPD_RECLAIM 0x1000000u #ifdef CONFIG_LOCKDEP -#define ___GFP_NOLOCKDEP 0x4000000u +#define ___GFP_NOLOCKDEP 0x2000000u #else #define ___GFP_NOLOCKDEP 0 #endif diff --git a/include/linux/gpio/machine.h b/include/linux/gpio/machine.h index c0d712d22b07..f738d50cc17d 100644 --- a/include/linux/gpio/machine.h +++ b/include/linux/gpio/machine.h @@ -56,7 +56,14 @@ struct gpiod_lookup_table { .flags = _flags, \ } +#ifdef CONFIG_GPIOLIB void gpiod_add_lookup_table(struct gpiod_lookup_table *table); void gpiod_remove_lookup_table(struct gpiod_lookup_table *table); +#else +static inline +void gpiod_add_lookup_table(struct gpiod_lookup_table *table) {} +static inline +void gpiod_remove_lookup_table(struct gpiod_lookup_table *table) {} +#endif #endif /* __LINUX_GPIO_MACHINE_H */ diff --git a/include/linux/hashtable.h b/include/linux/hashtable.h index 661e5c2a8e2a..082dc1bd0801 100644 --- a/include/linux/hashtable.h +++ b/include/linux/hashtable.h @@ -167,7 +167,6 @@ static inline void hash_del_rcu(struct hlist_node *node) /** * hash_for_each_possible_rcu - iterate over all possible objects hashing to the * same bucket in an rcu enabled hashtable - * in a rcu enabled hashtable * @name: hashtable to iterate * @obj: the type * to use as a loop cursor for each entry * @member: the name of the hlist_node within the struct diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 8d5fcd6284ce..283dc2f5364d 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -614,14 +614,16 @@ static inline bool skb_vlan_tagged_multi(const struct sk_buff *skb) static inline netdev_features_t vlan_features_check(const struct sk_buff *skb, netdev_features_t features) { - if (skb_vlan_tagged_multi(skb)) - features = netdev_intersect_features(features, - NETIF_F_SG | - NETIF_F_HIGHDMA | - NETIF_F_FRAGLIST | - NETIF_F_HW_CSUM | - NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX); + if (skb_vlan_tagged_multi(skb)) { + /* In the case of multi-tagged packets, use a direct mask + * instead of using netdev_interesect_features(), to make + * sure that only devices supporting NETIF_F_HW_CSUM will + * have checksum offloading support. + */ + features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | + NETIF_F_FRAGLIST | NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX; + } return features; } diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index fffb91202bc9..1fa293a37f4a 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -417,6 +417,10 @@ #define ICH_HCR_EN (1 << 0) #define ICH_HCR_UIE (1 << 1) +#define ICH_VMCR_ACK_CTL_SHIFT 2 +#define ICH_VMCR_ACK_CTL_MASK (1 << ICH_VMCR_ACK_CTL_SHIFT) +#define ICH_VMCR_FIQ_EN_SHIFT 3 +#define ICH_VMCR_FIQ_EN_MASK (1 << ICH_VMCR_FIQ_EN_SHIFT) #define ICH_VMCR_CBPR_SHIFT 4 #define ICH_VMCR_CBPR_MASK (1 << ICH_VMCR_CBPR_SHIFT) #define ICH_VMCR_EOIM_SHIFT 9 diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index dc30f3d057eb..d3453ee072fc 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -25,7 +25,18 @@ #define GICC_ENABLE 0x1 #define GICC_INT_PRI_THRESHOLD 0xf0 -#define GIC_CPU_CTRL_EOImodeNS (1 << 9) +#define GIC_CPU_CTRL_EnableGrp0_SHIFT 0 +#define GIC_CPU_CTRL_EnableGrp0 (1 << GIC_CPU_CTRL_EnableGrp0_SHIFT) +#define GIC_CPU_CTRL_EnableGrp1_SHIFT 1 +#define GIC_CPU_CTRL_EnableGrp1 (1 << GIC_CPU_CTRL_EnableGrp1_SHIFT) +#define GIC_CPU_CTRL_AckCtl_SHIFT 2 +#define GIC_CPU_CTRL_AckCtl (1 << GIC_CPU_CTRL_AckCtl_SHIFT) +#define GIC_CPU_CTRL_FIQEn_SHIFT 3 +#define GIC_CPU_CTRL_FIQEn (1 << GIC_CPU_CTRL_FIQEn_SHIFT) +#define GIC_CPU_CTRL_CBPR_SHIFT 4 +#define GIC_CPU_CTRL_CBPR (1 << GIC_CPU_CTRL_CBPR_SHIFT) +#define GIC_CPU_CTRL_EOImodeNS_SHIFT 9 +#define GIC_CPU_CTRL_EOImodeNS (1 << GIC_CPU_CTRL_EOImodeNS_SHIFT) #define GICC_IAR_INT_ID_MASK 0x3ff #define GICC_INT_SPURIOUS 1023 @@ -84,8 +95,19 @@ #define GICH_LR_EOI (1 << 19) #define GICH_LR_HW (1 << 31) -#define GICH_VMCR_CTRL_SHIFT 0 -#define GICH_VMCR_CTRL_MASK (0x21f << GICH_VMCR_CTRL_SHIFT) +#define GICH_VMCR_ENABLE_GRP0_SHIFT 0 +#define GICH_VMCR_ENABLE_GRP0_MASK (1 << GICH_VMCR_ENABLE_GRP0_SHIFT) +#define GICH_VMCR_ENABLE_GRP1_SHIFT 1 +#define GICH_VMCR_ENABLE_GRP1_MASK (1 << GICH_VMCR_ENABLE_GRP1_SHIFT) +#define GICH_VMCR_ACK_CTL_SHIFT 2 +#define GICH_VMCR_ACK_CTL_MASK (1 << GICH_VMCR_ACK_CTL_SHIFT) +#define GICH_VMCR_FIQ_EN_SHIFT 3 +#define GICH_VMCR_FIQ_EN_MASK (1 << GICH_VMCR_FIQ_EN_SHIFT) +#define GICH_VMCR_CBPR_SHIFT 4 +#define GICH_VMCR_CBPR_MASK (1 << GICH_VMCR_CBPR_SHIFT) +#define GICH_VMCR_EOI_MODE_SHIFT 9 +#define GICH_VMCR_EOI_MODE_MASK (1 << GICH_VMCR_EOI_MODE_SHIFT) + #define GICH_VMCR_PRIMASK_SHIFT 27 #define GICH_VMCR_PRIMASK_MASK (0x1f << GICH_VMCR_PRIMASK_SHIFT) #define GICH_VMCR_BINPOINT_SHIFT 21 diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index 36872fbb815d..734377ad42e9 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -64,13 +64,17 @@ extern int register_refined_jiffies(long clock_tick_rate); /* TICK_USEC is the time between ticks in usec assuming fake USER_HZ */ #define TICK_USEC ((1000000UL + USER_HZ/2) / USER_HZ) +#ifndef __jiffy_arch_data +#define __jiffy_arch_data +#endif + /* * The 64-bit value is not atomic - you MUST NOT read it * without sampling the sequence number in jiffies_lock. * get_jiffies_64() will do this for you as appropriate. */ extern u64 __cacheline_aligned_in_smp jiffies_64; -extern unsigned long volatile __cacheline_aligned_in_smp jiffies; +extern unsigned long volatile __cacheline_aligned_in_smp __jiffy_arch_data jiffies; #if (BITS_PER_LONG < 64) u64 get_jiffies_64(void); diff --git a/include/linux/key.h b/include/linux/key.h index 0c9b93b0d1f7..78e25aabedaf 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -173,7 +173,6 @@ struct key { #ifdef KEY_DEBUGGING unsigned magic; #define KEY_DEBUG_MAGIC 0x18273645u -#define KEY_DEBUG_MAGIC_X 0xf8e9dacbu #endif unsigned long flags; /* status flags (change with bitops) */ diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 30f90c1a0aaf..541df0b5b815 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -349,6 +349,9 @@ extern int proc_kprobes_optimization_handler(struct ctl_table *table, int write, void __user *buffer, size_t *length, loff_t *ppos); #endif +extern void wait_for_kprobe_optimizer(void); +#else +static inline void wait_for_kprobe_optimizer(void) { } #endif /* CONFIG_OPTPROBES */ #ifdef CONFIG_KPROBES_ON_FTRACE extern void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip, diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 4ce24a376262..8098695e5d8d 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -425,12 +425,20 @@ static inline void early_memtest(phys_addr_t start, phys_addr_t end) } #endif +extern unsigned long memblock_reserved_memory_within(phys_addr_t start_addr, + phys_addr_t end_addr); #else static inline phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align) { return 0; } +static inline unsigned long memblock_reserved_memory_within(phys_addr_t start_addr, + phys_addr_t end_addr) +{ + return 0; +} + #endif /* CONFIG_HAVE_MEMBLOCK */ #endif /* __KERNEL__ */ diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index b4ee8f62ce8d..8e2828d48d7f 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -470,6 +470,7 @@ struct mlx4_update_qp_params { u16 rate_val; }; +struct mlx4_qp *mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn); int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn, enum mlx4_update_qp_attr attr, struct mlx4_update_qp_params *params); diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index dd9a263ed368..a940ec6a046c 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -787,8 +787,14 @@ enum { }; enum { - CQE_RSS_HTYPE_IP = 0x3 << 6, - CQE_RSS_HTYPE_L4 = 0x3 << 2, + CQE_RSS_HTY |