diff options
Diffstat (limited to 'include/linux')
55 files changed, 332 insertions, 107 deletions
diff --git a/include/linux/arm_sdei.h b/include/linux/arm_sdei.h index 255701e1251b..f652a5028b59 100644 --- a/include/linux/arm_sdei.h +++ b/include/linux/arm_sdei.h @@ -46,12 +46,12 @@ int sdei_unregister_ghes(struct ghes *ghes); /* For use by arch code when CPU hotplug notifiers are not appropriate. */ int sdei_mask_local_cpu(void); int sdei_unmask_local_cpu(void); -void __init sdei_init(void); +void __init acpi_sdei_init(void); void sdei_handler_abort(void); #else static inline int sdei_mask_local_cpu(void) { return 0; } static inline int sdei_unmask_local_cpu(void) { return 0; } -static inline void sdei_init(void) { } +static inline void acpi_sdei_init(void) { } static inline void sdei_handler_abort(void) { } #endif /* CONFIG_ARM_SDE_INTERFACE */ diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h index 9b02961d65ee..45f2f278b50a 100644 --- a/include/linux/atmdev.h +++ b/include/linux/atmdev.h @@ -249,6 +249,12 @@ static inline void atm_account_tx(struct atm_vcc *vcc, struct sk_buff *skb) ATM_SKB(skb)->atm_options = vcc->atm_options; } +static inline void atm_return_tx(struct atm_vcc *vcc, struct sk_buff *skb) +{ + WARN_ON_ONCE(refcount_sub_and_test(ATM_SKB(skb)->acct_truesize, + &sk_atm(vcc)->sk_wmem_alloc)); +} + static inline void atm_force_charge(struct atm_vcc *vcc,int truesize) { atomic_add(truesize, &sk_atm(vcc)->sk_rmem_alloc); diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 439815cc1ab9..c451adbe82f0 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -241,6 +241,7 @@ static inline struct bdi_writeback *inode_to_wb(const struct inode *inode) { #ifdef CONFIG_LOCKDEP WARN_ON_ONCE(debug_locks && + (inode->i_sb->s_iflags & SB_I_CGROUPWB) && (!lockdep_is_held(&inode->i_lock) && !lockdep_is_held(&inode->i_mapping->i_pages.xa_lock) && !lockdep_is_held(&inode->i_wb->list_lock))); diff --git a/include/linux/bio.h b/include/linux/bio.h index 2b9fc5edf49d..6b2b06485684 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -11,6 +11,7 @@ #include <linux/uio.h> #define BIO_MAX_VECS 256U +#define BIO_MAX_INLINE_VECS UIO_MAXIOV static inline unsigned int bio_max_segs(unsigned int nr_segs) { @@ -286,7 +287,7 @@ static inline void bio_first_folio(struct folio_iter *fi, struct bio *bio, fi->folio = page_folio(bvec->bv_page); fi->offset = bvec->bv_offset + - PAGE_SIZE * (bvec->bv_page - &fi->folio->page); + PAGE_SIZE * folio_page_idx(fi->folio, bvec->bv_page); fi->_seg_count = bvec->bv_len; fi->length = min(folio_size(fi->folio) - fi->offset, fi->_seg_count); fi->_next = folio_next(fi->folio); diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 2189c0d18fa7..e9c1338851e3 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -250,6 +250,7 @@ struct bpf_map { * same prog type, JITed flag and xdp_has_frags flag. */ struct { + const struct btf_type *attach_func_proto; spinlock_t lock; enum bpf_prog_type type; bool jited; diff --git a/include/linux/console.h b/include/linux/console.h index 8c1686e2c233..ab8b19f6affa 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -34,9 +34,14 @@ enum vc_intensity; /** * struct consw - callbacks for consoles * + * @con_init: initialize the console on @vc. @init is true for the very first + * call on this @vc. + * @con_clear: erase @count characters at [@x, @y] on @vc. @count >= 1. * @con_scroll: move lines from @top to @bottom in direction @dir by @lines. * Return true if no generic handling should be done. * Invoked by csi_M and printing to the console. + * @con_switch: notifier about the console switch; it is supposed to return + * true if a redraw is needed. * @con_set_palette: sets the palette of the console to @table (optional) * @con_scrolldelta: the contents of the console should be scrolled by @lines. * Invoked by user. (optional) @@ -44,10 +49,10 @@ enum vc_intensity; struct consw { struct module *owner; const char *(*con_startup)(void); - void (*con_init)(struct vc_data *vc, int init); + void (*con_init)(struct vc_data *vc, bool init); void (*con_deinit)(struct vc_data *vc); - void (*con_clear)(struct vc_data *vc, int sy, int sx, int height, - int width); + void (*con_clear)(struct vc_data *vc, unsigned int y, + unsigned int x, unsigned int count); void (*con_putc)(struct vc_data *vc, int c, int ypos, int xpos); void (*con_putcs)(struct vc_data *vc, const unsigned short *s, int count, int ypos, int xpos); @@ -55,7 +60,7 @@ struct consw { bool (*con_scroll)(struct vc_data *vc, unsigned int top, unsigned int bottom, enum con_scroll dir, unsigned int lines); - int (*con_switch)(struct vc_data *vc); + bool (*con_switch)(struct vc_data *vc); int (*con_blank)(struct vc_data *vc, int blank, int mode_switch); int (*con_font_set)(struct vc_data *vc, struct console_font *font, unsigned int flags); diff --git a/include/linux/context_tracking_irq.h b/include/linux/context_tracking_irq.h index c50b5670c4a5..197916ee91a4 100644 --- a/include/linux/context_tracking_irq.h +++ b/include/linux/context_tracking_irq.h @@ -10,12 +10,12 @@ void ct_irq_exit_irqson(void); void ct_nmi_enter(void); void ct_nmi_exit(void); #else -static inline void ct_irq_enter(void) { } -static inline void ct_irq_exit(void) { } +static __always_inline void ct_irq_enter(void) { } +static __always_inline void ct_irq_exit(void) { } static inline void ct_irq_enter_irqson(void) { } static inline void ct_irq_exit_irqson(void) { } -static inline void ct_nmi_enter(void) { } -static inline void ct_nmi_exit(void) { } +static __always_inline void ct_nmi_enter(void) { } +static __always_inline void ct_nmi_exit(void) { } #endif #endif diff --git a/include/linux/coredump.h b/include/linux/coredump.h index 08a1d3e7e46d..2b7ec58299ca 100644 --- a/include/linux/coredump.h +++ b/include/linux/coredump.h @@ -28,6 +28,7 @@ struct coredump_params { int vma_count; size_t vma_data_size; struct core_vma_metadata *vma_meta; + struct pid *pid; }; /* diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 1554021231f9..56b40efb51a6 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -502,6 +502,10 @@ extern int coresight_enable(struct coresight_device *csdev); extern void coresight_disable(struct coresight_device *csdev); extern int coresight_timeout(struct csdev_access *csa, u32 offset, int position, int value); +typedef void (*coresight_timeout_cb_t) (struct csdev_access *, u32, int, int); +extern int coresight_timeout_action(struct csdev_access *csa, u32 offset, + int position, int value, + coresight_timeout_cb_t cb); extern int coresight_claim_device(struct coresight_device *csdev); extern int coresight_claim_device_unlocked(struct coresight_device *csdev); diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 4b06b1f1e267..3d3ceccf8224 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -76,6 +76,9 @@ extern ssize_t cpu_show_gds(struct device *dev, struct device_attribute *attr, char *buf); extern ssize_t cpu_show_reg_file_data_sampling(struct device *dev, struct device_attribute *attr, char *buf); +extern ssize_t cpu_show_indirect_target_selection(struct device *dev, + struct device_attribute *attr, char *buf); +extern ssize_t cpu_show_tsa(struct device *dev, struct device_attribute *attr, char *buf); extern __printf(4, 5) struct device *cpu_device_create(struct device *parent, void *drvdata, diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 3759d0a15c7b..d87a0d024693 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -789,8 +789,8 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy_data *policy, int cpufreq_generic_frequency_table_verify(struct cpufreq_policy_data *policy); int cpufreq_table_index_unsorted(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation); + unsigned int target_freq, unsigned int min, + unsigned int max, unsigned int relation); int cpufreq_frequency_table_get_index(struct cpufreq_policy *policy, unsigned int freq); @@ -855,12 +855,12 @@ static inline int cpufreq_table_find_index_dl(struct cpufreq_policy *policy, return best; } -/* Works only on sorted freq-tables */ -static inline int cpufreq_table_find_index_l(struct cpufreq_policy *policy, - unsigned int target_freq, - bool efficiencies) +static inline int find_index_l(struct cpufreq_policy *policy, + unsigned int target_freq, + unsigned int min, unsigned int max, + bool efficiencies) { - target_freq = clamp_val(target_freq, policy->min, policy->max); + target_freq = clamp_val(target_freq, min, max); if (policy->freq_table_sorted == CPUFREQ_TABLE_SORTED_ASCENDING) return cpufreq_table_find_index_al(policy, target_freq, @@ -870,6 +870,14 @@ static inline int cpufreq_table_find_index_l(struct cpufreq_policy *policy, efficiencies); } +/* Works only on sorted freq-tables */ +static inline int cpufreq_table_find_index_l(struct cpufreq_policy *policy, + unsigned int target_freq, + bool efficiencies) +{ + return find_index_l(policy, target_freq, policy->min, policy->max, efficiencies); +} + /* Find highest freq at or below target in a table in ascending order */ static inline int cpufreq_table_find_index_ah(struct cpufreq_policy *policy, unsigned int target_freq, @@ -923,12 +931,12 @@ static inline int cpufreq_table_find_index_dh(struct cpufreq_policy *policy, return best; } -/* Works only on sorted freq-tables */ -static inline int cpufreq_table_find_index_h(struct cpufreq_policy *policy, - unsigned int target_freq, - bool efficiencies) +static inline int find_index_h(struct cpufreq_policy *policy, + unsigned int target_freq, + unsigned int min, unsigned int max, + bool efficiencies) { - target_freq = clamp_val(target_freq, policy->min, policy->max); + target_freq = clamp_val(target_freq, min, max); if (policy->freq_table_sorted == CPUFREQ_TABLE_SORTED_ASCENDING) return cpufreq_table_find_index_ah(policy, target_freq, @@ -938,6 +946,14 @@ static inline int cpufreq_table_find_index_h(struct cpufreq_policy *policy, efficiencies); } +/* Works only on sorted freq-tables */ +static inline int cpufreq_table_find_index_h(struct cpufreq_policy *policy, + unsigned int target_freq, + bool efficiencies) +{ + return find_index_h(policy, target_freq, policy->min, policy->max, efficiencies); +} + /* Find closest freq to target in a table in ascending order */ static inline int cpufreq_table_find_index_ac(struct cpufreq_policy *policy, unsigned int target_freq, @@ -1008,12 +1024,12 @@ static inline int cpufreq_table_find_index_dc(struct cpufreq_policy *policy, return best; } -/* Works only on sorted freq-tables */ -static inline int cpufreq_table_find_index_c(struct cpufreq_policy *policy, - unsigned int target_freq, - bool efficiencies) +static inline int find_index_c(struct cpufreq_policy *policy, + unsigned int target_freq, + unsigned int min, unsigned int max, + bool efficiencies) { - target_freq = clamp_val(target_freq, policy->min, policy->max); + target_freq = clamp_val(target_freq, min, max); if (policy->freq_table_sorted == CPUFREQ_TABLE_SORTED_ASCENDING) return cpufreq_table_find_index_ac(policy, target_freq, @@ -1023,7 +1039,17 @@ static inline int cpufreq_table_find_index_c(struct cpufreq_policy *policy, efficiencies); } -static inline bool cpufreq_is_in_limits(struct cpufreq_policy *policy, int idx) +/* Works only on sorted freq-tables */ +static inline int cpufreq_table_find_index_c(struct cpufreq_policy *policy, + unsigned int target_freq, + bool efficiencies) +{ + return find_index_c(policy, target_freq, policy->min, policy->max, efficiencies); +} + +static inline bool cpufreq_is_in_limits(struct cpufreq_policy *policy, + unsigned int min, unsigned int max, + int idx) { unsigned int freq; @@ -1032,11 +1058,13 @@ static inline bool cpufreq_is_in_limits(struct cpufreq_policy *policy, int idx) freq = policy->freq_table[idx].frequency; - return freq == clamp_val(freq, policy->min, policy->max); + return freq == clamp_val(freq, min, max); } static inline int cpufreq_frequency_table_target(struct cpufreq_policy *policy, unsigned int target_freq, + unsigned int min, + unsigned int max, unsigned int relation) { bool efficiencies = policy->efficiencies_available && @@ -1047,29 +1075,26 @@ static inline int cpufreq_frequency_table_target(struct cpufreq_policy *policy, relation &= ~CPUFREQ_RELATION_E; if (unlikely(policy->freq_table_sorted == CPUFREQ_TABLE_UNSORTED)) - return cpufreq_table_index_unsorted(policy, target_freq, - relation); + return cpufreq_table_index_unsorted(policy, target_freq, min, + max, relation); retry: switch (relation) { case CPUFREQ_RELATION_L: - idx = cpufreq_table_find_index_l(policy, target_freq, - efficiencies); + idx = find_index_l(policy, target_freq, min, max, efficiencies); break; case CPUFREQ_RELATION_H: - idx = cpufreq_table_find_index_h(policy, target_freq, - efficiencies); + idx = find_index_h(policy, target_freq, min, max, efficiencies); break; case CPUFREQ_RELATION_C: - idx = cpufreq_table_find_index_c(policy, target_freq, - efficiencies); + idx = find_index_c(policy, target_freq, min, max, efficiencies); break; default: WARN_ON_ONCE(1); return 0; } - /* Limit frequency index to honor policy->min/max */ - if (!cpufreq_is_in_limits(policy, idx) && efficiencies) { + /* Limit frequency index to honor min and max */ + if (!cpufreq_is_in_limits(policy, min, max, idx) && efficiencies) { efficiencies = false; goto retry; } diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index e13050eb9777..af3f39ecc1b8 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -598,10 +598,14 @@ static inline int dma_mmap_wc(struct device *dev, #else #define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME) #define DEFINE_DMA_UNMAP_LEN(LEN_NAME) -#define dma_unmap_addr(PTR, ADDR_NAME) (0) -#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) -#define dma_unmap_len(PTR, LEN_NAME) (0) -#define dma_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) +#define dma_unmap_addr(PTR, ADDR_NAME) \ + ({ typeof(PTR) __p __maybe_unused = PTR; 0; }) +#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL) \ + do { typeof(PTR) __p __maybe_unused = PTR; } while (0) +#define dma_unmap_len(PTR, LEN_NAME) \ + ({ typeof(PTR) __p __maybe_unused = PTR; 0; }) +#define dma_unmap_len_set(PTR, LEN_NAME, VAL) \ + do { typeof(PTR) __p __maybe_unused = PTR; } while (0) #endif #endif /* _LINUX_DMA_MAPPING_H */ diff --git a/include/linux/filter.h b/include/linux/filter.h index 01f97956572c..f3ef1a8965bb 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -775,7 +775,14 @@ static __always_inline u32 bpf_prog_run_xdp(const struct bpf_prog *prog, * under local_bh_disable(), which provides the needed RCU protection * for accessing map entries. */ - u32 act = __bpf_prog_run(prog, xdp, BPF_DISPATCHER_FUNC(xdp)); + struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info); + u32 act; + + if (ri->map_id || ri->map_type) { + ri->map_id = 0; + ri->map_type = BPF_MAP_TYPE_UNSPEC; + } + act = __bpf_prog_run(prog, xdp, BPF_DISPATCHER_FUNC(xdp)); if (static_branch_unlikely(&bpf_master_redirect_enabled_key)) { if (act == XDP_TX && netif_is_bond_slave(xdp->rxq->dev)) diff --git a/include/linux/fs.h b/include/linux/fs.h index 0d32634c5cf0..1a619b681bcc 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3385,6 +3385,8 @@ extern const struct file_operations generic_ro_fops; extern int readlink_copy(char __user *, int, const char *); extern int page_readlink(struct dentry *, char __user *, int); +extern const char *page_get_link_raw(struct dentry *, struct inode *, + struct delayed_call *); extern const char *page_get_link(struct dentry *, struct inode *, struct delayed_call *); extern void page_put_link(void *); @@ -3467,6 +3469,8 @@ extern int simple_write_begin(struct file *file, struct address_space *mapping, extern const struct address_space_operations ram_aops; extern int always_delete_dentry(const struct dentry *); extern struct inode *alloc_anon_inode(struct super_block *); +struct inode *anon_inode_make_secure_inode(struct super_block *sb, const char *name, + const struct inode *context_inode); extern int simple_nosetlease(struct file *, long, struct file_lock **, void **); extern const struct dentry_operations simple_dentry_operations; diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h index 13fa6f3df8e4..c861b2c894ba 100644 --- a/include/linux/fs_context.h +++ b/include/linux/fs_context.h @@ -209,7 +209,7 @@ void logfc(struct fc_log *log, const char *prefix, char level, const char *fmt, */ #define infof(fc, fmt, ...) __logfc(fc, 'i', fmt, ## __VA_ARGS__) #define info_plog(p, fmt, ...) __plog(p, 'i', fmt, ## __VA_ARGS__) -#define infofc(p, fmt, ...) __plog((&(fc)->log), 'i', fmt, ## __VA_ARGS__) +#define infofc(fc, fmt, ...) __plog((&(fc)->log), 'i', fmt, ## __VA_ARGS__) /** * warnf - Store supplementary warning message diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 525cc031596b..7efb4493e51c 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -83,7 +83,7 @@ struct fwnode_endpoint { #define SWNODE_GRAPH_PORT_NAME_FMT "port@%u" #define SWNODE_GRAPH_ENDPOINT_NAME_FMT "endpoint@%u" -#define NR_FWNODE_REFERENCE_ARGS 8 +#define NR_FWNODE_REFERENCE_ARGS 16 /** * struct fwnode_reference_args - Fwnode reference with additional arguments diff --git a/include/linux/hid.h b/include/linux/hid.h index b688069b1794..6c3dc24acefc 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -703,8 +703,9 @@ struct hid_descriptor { __le16 bcdHID; __u8 bCountryCode; __u8 bNumDescriptors; + struct hid_class_descriptor rpt_desc; - struct hid_class_descriptor desc[1]; + struct hid_class_descriptor opt_descs[]; } __attribute__ ((packed)); #define HID_DEVICE(b, g, ven, prod) \ diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 8f77bb0f4ae0..05f8b7d7d1e9 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -237,6 +237,7 @@ struct hrtimer_cpu_base { ktime_t softirq_expires_next; struct hrtimer *softirq_next_timer; struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; + call_single_data_t csd; } ____cacheline_aligned; static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index cc555072940f..26f2947c399d 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -239,6 +239,7 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma, bool is_hugetlb_entry_migration(pte_t pte); void hugetlb_unshare_all_pmds(struct vm_area_struct *vma); +void hugetlb_split(struct vm_area_struct *vma, unsigned long addr); #else /* !CONFIG_HUGETLB_PAGE */ @@ -472,6 +473,8 @@ static inline vm_fault_t hugetlb_fault(struct mm_struct *mm, static inline void hugetlb_unshare_all_pmds(struct vm_area_struct *vma) { } +static inline void hugetlb_split(struct vm_area_struct *vma, unsigned long addr) {} + #endif /* !CONFIG_HUGETLB_PAGE */ /* * hugepages at page global directory. If arch support diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index afc204370901..43f778b6b9cd 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -820,6 +820,8 @@ struct vmbus_requestor { #define VMBUS_RQST_RESET (U64_MAX - 3) struct vmbus_device { + /* preferred ring buffer size in KB, 0 means no preferred size for this device */ + size_t pref_ring_size; u16 dev_type; guid_t guid; bool perf_device; @@ -1224,13 +1226,6 @@ extern int vmbus_sendpacket(struct vmbus_channel *channel, enum vmbus_packet_type type, u32 flags); -extern int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel, - struct hv_page_buffer pagebuffers[], - u32 pagecount, - void *buffer, - u32 bufferlen, - u64 requestid); - extern int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel, struct vmbus_packet_mpb_array *mpb, u32 desc_size, diff --git a/include/linux/i8253.h b/include/linux/i8253.h index bf169cfef7f1..56c280eb2d4f 100644 --- a/include/linux/i8253.h +++ b/include/linux/i8253.h @@ -21,7 +21,6 @@ #define PIT_LATCH ((PIT_TICK_RATE + HZ/2) / HZ) extern raw_spinlock_t i8253_lock; -extern bool i8253_clear_counter_on_shutdown; extern struct clock_event_device i8253_clockevent; extern void clockevent_i8253_init(bool oneshot); extern void clockevent_i8253_disable(void); diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 4a1dc88ddbff..2610a7d156da 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -441,7 +441,7 @@ irq_calc_affinity_vectors(unsigned int minvec, unsigned int maxvec, static inline void disable_irq_nosync_lockdep(unsigned int irq) { disable_irq_nosync(irq); -#ifdef CONFIG_LOCKDEP +#if defined(CONFIG_LOCKDEP) && !defined(CONFIG_PREEMPT_RT) local_irq_disable(); #endif } @@ -449,7 +449,7 @@ static inline void disable_irq_nosync_lockdep(unsigned int irq) static inline void disable_irq_nosync_lockdep_irqsave(unsigned int irq, unsigned long *flags) { disable_irq_nosync(irq); -#ifdef CONFIG_LOCKDEP +#if defined(CONFIG_LOCKDEP) && !defined(CONFIG_PREEMPT_RT) local_irq_save(*flags); #endif } @@ -464,7 +464,7 @@ static inline void disable_irq_lockdep(unsigned int irq) static inline void enable_irq_lockdep(unsigned int irq) { -#ifdef CONFIG_LOCKDEP +#if defined(CONFIG_LOCKDEP) && !defined(CONFIG_PREEMPT_RT) local_irq_enable(); #endif enable_irq(irq); @@ -472,7 +472,7 @@ static inline void enable_irq_lockdep(unsigned int irq) static inline void enable_irq_lockdep_irqrestore(unsigned int irq, unsigned long *flags) { -#ifdef CONFIG_LOCKDEP +#if defined(CONFIG_LOCKDEP) && !defined(CONFIG_PREEMPT_RT) local_irq_restore(*flags); #endif enable_irq(irq); diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h index 37aeea266ebb..2bd01109e0ec 100644 --- a/include/linux/io_uring_types.h +++ b/include/linux/io_uring_types.h @@ -352,6 +352,11 @@ struct io_ring_ctx { unsigned sq_thread_idle; /* protected by ->completion_lock */ unsigned evfd_last_cq_tail; + + unsigned short n_ring_pages; + unsigned short n_sqe_pages; + struct page **ring_pages; + struct page **sqe_pages; }; enum { diff --git a/include/linux/libata.h b/include/linux/libata.h index 6645259be143..363462d3f077 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1293,7 +1293,7 @@ int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm); int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm); unsigned int ata_acpi_gtm_xfermask(struct ata_device *dev, const struct ata_acpi_gtm *gtm); -int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm); +int ata_acpi_cbl_pata_type(struct ata_port *ap); #else static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap) { @@ -1318,10 +1318,9 @@ static inline unsigned int ata_acpi_gtm_xfermask(struct ata_device *dev, return 0; } -static inline int ata_acpi_cbl_80wire(struct ata_port *ap, - const struct ata_acpi_gtm *gtm) +static inline int ata_acpi_cbl_pata_type(struct ata_port *ap) { - return 0; + return ATA_CBL_PATA40; } #endif diff --git a/include/linux/lzo.h b/include/linux/lzo.h index e95c7d1092b2..4d30e3624acd 100644 --- a/include/linux/lzo.h +++ b/include/linux/lzo.h @@ -24,10 +24,18 @@ int lzo1x_1_compress(const unsigned char *src, size_t src_len, unsigned char *dst, size_t *dst_len, void *wrkmem); +/* Same as above but does not write more than dst_len to dst. */ +int lzo1x_1_compress_safe(const unsigned char *src, size_t src_len, + unsigned char *dst, size_t *dst_len, void *wrkmem); + /* This requires 'wrkmem' of size LZO1X_1_MEM_COMPRESS */ int lzorle1x_1_compress(const unsigned char *src, size_t src_len, unsigned char *dst, size_t *dst_len, void *wrkmem); +/* Same as above but does not write more than dst_len to dst. */ +int lzorle1x_1_compress_safe(const unsigned char *src, size_t src_len, + unsigned char *dst, size_t *dst_len, void *wrkmem); + /* safe decompression with overrun testing */ int lzo1x_decompress_safe(const unsigned char *src, size_t src_len, unsigned char *dst, size_t *dst_len); diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 6646634a0b9d..0cb296f0f8d1 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -1115,7 +1115,7 @@ int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt, struct mlx4_buf *buf); -int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order); +int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, unsigned int order); void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db); int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres, diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 3c3e0f26c244..b05f69a8306c 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -385,6 +385,7 @@ struct mlx5_core_rsc_common { enum mlx5_res_type res; refcount_t refcount; struct completion free; + bool invalid; }; struct mlx5_uars_page { diff --git a/include/linux/mm.h b/include/linux/mm.h index 03357c196e0b..b36dffbfbe69 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2537,6 +2537,9 @@ static inline bool pgtable_pmd_page_ctor(struct page *page) if (!pmd_ptlock_init(page)) return false; __SetPageTable(page); +#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE + atomic_set(&page->pt_share_count, 0); +#endif inc_lruvec_page_state(page, NR_PAGETABLE); return true; } diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index a9c1d611029d..9b64610eddcc 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -160,6 +160,9 @@ struct page { union { struct mm_struct *pt_mm; /* x86 pgds only */ atomic_t pt_frag_refcount; /* powerpc */ +#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE + atomic_t pt_share_count; +#endif }; #if ALLOC_SPLIT_PTLOCKS spinlock_t *ptl; diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index afa575e362a4..7c6da19fff9f 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -297,6 +297,7 @@ struct mmc_card { #define MMC_QUIRK_BROKEN_SD_CACHE (1<<15) /* Disable broken SD cache support */ #define MMC_QUIRK_BROKEN_CACHE_FLUSH (1<<16) /* Don't flush cache until the write has occurred */ #define MMC_QUIRK_BROKEN_SD_POWEROFF_NOTIFY (1<<17) /* Disable broken SD poweroff notify support */ +#define MMC_QUIRK_NO_UHS_DDR50_TUNING (1<<18) /* Disable DDR50 tuning */ bool written_flag; /* Indicates eMMC has been written since power on */ bool reenable_cmdq; /* Re-enable Command Queue */ diff --git a/include/linux/module.h b/include/linux/module.h index 35876e89eb93..41c4c472ed17 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -536,6 +536,11 @@ struct module { atomic_t refcnt; #endif +#ifdef CONFIG_MITIGATION_ITS + int its_num_pages; + void **its_page_array; +#endif + #ifdef CONFIG_CONSTRUCTORS /* Constructor functions. */ ctor_fn_t *ctors; diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index 962cd41a2cb5..061e19c94a6b 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -282,10 +282,9 @@ struct kparam_array #define __moduleparam_const const #endif -/* This is the fundamental function for registering boot/module - parameters. */ +/* This is the fundamental function for registering boot/module parameters. */ #define __module_param_call(prefix, name, ops, arg, perm, level, flags) \ - /* Default value instead of permissions? */ \ + static_assert(sizeof(""prefix) - 1 <= MAX_PARAM_PREFIX_LEN); \ static const char __param_str_##name[] = prefix #name; \ static struct kernel_param __moduleparam_const __param_##name \ __used __section("__param") \ diff --git a/include/linux/msi.h b/include/linux/msi.h index e5dfb9cf3aa1..1bf8d126f792 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -129,6 +129,10 @@ struct pci_msi_desc { * @dev: Pointer to the device which uses this descriptor * @msg: The last set MSI message cached for reuse * @affinity: Optional pointer to a cpu affinity mask for this descriptor + * @iommu_msi_iova: Optional shifted IOVA from the IOMMU to override the msi_addr. + * Only used if iommu_msi_shift != 0 + * @iommu_msi_shift: Indicates how many bits of the original address should be + * preserved when using iommu_msi_iova. * @sysfs_attr: Pointer to sysfs device attribute * * @write_msi_msg: Callback that may be called when the MSI message @@ -146,7 +150,8 @@ struct msi_desc { struct msi_msg msg; struct irq_affinity_desc *affinity; #ifdef CONFIG_IRQ_MSI_IOMMU - const void *iommu_cookie; + u64 iommu_msi_iova : 58; + u64 iommu_msi_shift : 6; #endif #ifdef CONFIG_SYSFS struct device_attribute *sysfs_attrs; @@ -214,28 +219,14 @@ struct msi_desc *msi_next_desc(struct device *dev, enum msi_desc_filter filter); #define msi_desc_to_dev(desc) ((desc)->dev) -#ifdef CONFIG_IRQ_MSI_IOMMU -static inline const void *msi_desc_get_iommu_cookie(struct msi_desc *desc) -{ - return desc->iommu_cookie; -} - -static inline void msi_desc_set_iommu_cookie(struct msi_desc *desc, - const void *iommu_cookie) -{ - desc->iommu_cookie = iommu_cookie; -} -#else -static inline const void *msi_desc_get_iommu_cookie(struct msi_desc *desc) +static inline void msi_desc_set_iommu_msi_iova(struct msi_desc *desc, u64 msi_iova, + unsigned int msi_shift) { - return NULL; -} - -static inline void msi_desc_set_iommu_cookie(struct msi_desc *desc, - const void *iommu_cookie) -{ -} +#ifdef CONFIG_IRQ_MSI_IOMMU + desc->iommu_msi_iova = msi_iova >> msi_shift; + desc->iommu_msi_shift = msi_shift; #endif +} #ifdef CONFIG_PCI_MSI struct pci_dev *msi_desc_to_pci_dev(struct msi_desc *desc); diff --git a/include/linux/nfs.h b/include/linux/nfs.h index b06375e88e58..095a95c1fae8 100644 --- a/include/linux/nfs.h +++ b/include/linux/nfs.h @@ -10,6 +10,7 @@ #include <linux/sunrpc/msg_prot.h> #include <linux/string.h> +#include <linux/crc32.h> #include <uapi/linux/nfs.h> /* @@ -44,4 +45,16 @@ enum nfs3_stable_how { /* used by direct.c to mark verf as invalid */ NFS_INVALID_STABLE_HOW = -1 }; + +/** + * nfs_fhandle_hash - calculate the crc32 hash for the filehandle + * @fh - pointer to filehandle + * + * returns a crc32 hash for the filehandle that is compatible with + * the one displayed by "wireshark". + */ +static inline u32 nfs_fhandle_hash(const struct nfs_fh *fh) +{ + return ~crc32_le(0xFFFFFFFF, &fh->data[0], fh->size); +} #endif /* _LINUX_NFS_H */ diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 9ea9f9087a71..a9671f930084 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -196,6 +196,15 @@ struct nfs_server { char *fscache_uniq; /* Uniquifier (or NULL) */ #endif + /* The following #defines numerically match the NFSv4 equivalents */ +#define NFS_FH_NOEXPIRE_WITH_OPEN (0x1) +#define NFS_FH_VOLATILE_ANY (0x2) +#define NFS_FH_VOL_MIGRATION (0x4) +#define NFS_FH_VOL_RENAME (0x8) +#define NFS_FH_RENAME_UNSAFE (NFS_FH_VOLATILE_ANY | NFS_FH_VOL_RENAME) + u32 fh_expire_type; /* V4 bitmask representing file + handle volatility type for + this filesystem */ u32 pnfs_blksize; /* layout_blksize attr */ #if IS_ENABLED(CONFIG_NFS_V4) u32 attr_bitmask[3];/* V4 bitmask representing the set @@ -219,9 +228,6 @@ struct nfs_server { u32 acl_bitmask; /* V4 bitmask representing the ACEs that are supported on this filesystem */ - u32 fh_expire_type; /* V4 bitmask representing file - handle volatility type for - this filesystem */ struct pnfs_layoutdriver_type *pnfs_curr_ld; /* Active layout driver */ struct rpc_wait_queue roc_rpcwaitq; void *pnfs_ld_data; /* per mount point data */ diff --git a/include/linux/nvme-tcp.h b/include/linux/nvme-tcp.h index 57ebe1267f7f..0278ce3ad1fb 100644 --- a/include/linux/nvme-tcp.h +++ b/include/linux/nvme-tcp.h @@ -13,6 +13,8 @@ #define NVME_TCP_ADMIN_CCSZ SZ_8K #define NVME_TCP_DIGEST_LENGTH 4 #define NVME_TCP_MIN_MAXH2CDATA 4096 +#define NVME_TCP_MIN_C2HTERM_PLEN 24 +#define NVME_TCP_MAX_C2HTERM_PLEN 152 enum nvme_tcp_pfv { NVME_TCP_PFV_1_0 = 0x0, diff --git a/include/linux/pci.h b/include/linux/pci.h index 28f91982402a..2fd6c6050bb5 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1779,6 +1779,7 @@ static inline int acpi_pci_bus_find_domain_nr(struct pci_bus *bus) { return 0; } #endif int pci_bus_find_domain_nr(struct pci_bus *bus, struct device *parent); +void pci_bus_release_domain_nr(struct pci_bus *bus, struct device *parent); #endif /* Some architectures require additional setup to direct VGA traffic */ diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 27b694552d58..41ff70f315a9 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -935,7 +935,13 @@ struct perf_output_handle { struct perf_buffer *rb; unsigned long wakeup; unsigned long size; - u64 aux_flags; + union { + u64 flags; /* perf_output*() */ + u64 aux_flags; /* perf_aux_output*() */ + struct { + u64 skip_read : 1; + }; + }; union { void *addr; unsigned long head; diff --git a/include/linux/pid.h b/include/linux/pid.h index bf3af54de616..653a527574c4 100644 --- a/include/linux/pid.h +++ b/include/linux/pid.h @@ -80,6 +80,7 @@ extern struct pid *pidfd_pid(const struct file *file); struct pid *pidfd_get_pid(unsigned int fd, unsigned int *flags); struct task_struct *pidfd_get_task(int pidfd, unsigned int *flags); int pidfd_create(struct pid *pid, unsigned int flags); +int pidfd_prepare(struct pid *pid, unsigned int flags, struct file **ret); static inline struct pid *get_pid(struct pid *pid) { diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 9a8151a2bdea..b79a1a20d0d9 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -66,6 +66,7 @@ static inline bool queue_pm_work(struct work_struct *work) extern int pm_generic_runtime_suspend(struct device *dev); extern int pm_generic_runtime_resume(struct device *dev); +extern bool pm_runtime_need_not_resume(struct device *dev); extern int pm_runtime_force_suspend(struct device *dev); extern int pm_runtime_force_resume(struct device *dev); @@ -254,6 +255,7 @@ static inline bool queue_pm_work(struct work_struct *work) { return false; } static inline int pm_generic_runtime_suspend(struct device *dev) { return 0; } static inline int pm_generic_runtime_resume(struct device *dev) { return 0; } +static inline bool pm_runtime_need_not_resume(struct device *dev) {return true; } static inline int pm_runtime_force_suspend(struct device *dev) { return 0; } static inline int pm_runtime_force_resume(struct device *dev) { return 0; } diff --git a/include/linux/pps_kernel.h b/include/linux/pps_kernel.h index c7abce28ed29..aab0aebb529e 100644 --- a/include/linux/pps_kernel.h +++ b/include/linux/pps_kernel.h @@ -52,6 +52,7 @@ struct pps_device { int current_mode; /* PPS mode at event time */ unsigned int last_ev; /* last PPS event id */ + unsigned int last_fetched_ev; /* last fetched PPS event id */ wait_queue_head_t queue; /* PPS event queue */ unsigned int id; /* PPS source unique ID */ diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 0260f5ea98fe..ca9cd8a2569e 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -20,10 +20,14 @@ enum { * If in doubt, ignore this flag. */ #ifdef MODULE - PROC_ENTRY_PERMANENT = 0U, + PROC_ENTRY_PERMANENT = 0U, #else - PROC_ENTRY_PERMANENT = 1U << 0, + PROC_ENTRY_PERMANENT = 1U << 0, #endif + + PROC_ENTRY_proc_read_iter = 1U << 1, + PROC_ENTRY_proc_compat_ioctl = 1U << 2, + PROC_ENTRY_proc_lseek = 1U << 3, }; struct proc_ops { diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 6858cae98da9..d1c35009831b 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -97,9 +97,9 @@ static inline void __rcu_read_lock(void) static inline void __rcu_read_unlock(void) { - preempt_enable(); if (IS_ENABLED(CONFIG_RCU_STRICT_GRACE_PERIOD)) rcu_read_unlock_strict(); + preempt_enable(); } static inline int rcu_preempt_depth(void) @@ -133,7 +133,7 @@ static inline void rcu_sysrq_end(void) { } #if defined(CONFIG_NO_HZ_FULL) && (!defined(CONFIG_GENERIC_ENTRY) || !defined(CONFIG_KVM_XFER_TO_GUEST_WORK)) void rcu_irq_work_resched(void); #else -static inline void rcu_irq_work_resched(void) { } +static __always_inline void rcu_irq_work_resched(void) { } #endif #ifdef CONFIG_RCU_NOCB_CPU @@ -1031,6 +1031,9 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) #define kvfree_rcu(...) KVFREE_GET_MACRO(__VA_ARGS__, \ kvfree_rcu_arg_2, kvfree_rcu_arg_1)(__VA_ARGS__) +#define kvfree_rcu_mightsleep(ptr) kvfree_rcu_arg_1(ptr) +#define kfree_rcu_mightsleep(ptr) kvfree_rcu_mightsleep(ptr) + #define KVFREE_GET_MACRO(_1, _2, NAME, ...) NAME #define kvfree_rcu_arg_2(ptr, rhf) \ do { \ diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index 5efb51486e8a..54483d5e6f91 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -105,7 +105,7 @@ extern int rcu_scheduler_active; void rcu_end_inkernel_boot(void); bool rcu_inkernel_boot_has_ended(void); bool rcu_is_watching(void); -#ifndef CONFIG_PREEMPTION +#ifndef CONFIG_PREEMPT_RCU void rcu_all_qs(void); #endif diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index ae2c6a3cec5d..f532d1eda761 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -138,4 +138,26 @@ extern int ndo_dflt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, extern void rtnl_offload_xstats_notify(struct net_device *dev); +static inline int rtnl_has_listeners(const struct net *net, u32 group) +{ + struct sock *rtnl = net->rtnl; + + return netlink_has_listeners(rtnl, group); +} + +/** + * rtnl_notify_needed - check if notification is needed + * @net: Pointer to the net namespace + * @nlflags: netlink ingress message flags + * @group: rtnl group + * + * Based on the ingress message flags and rtnl group, returns true + * if a notification is needed, false otherwise. + */ +static inline bool +rtnl_notify_needed(const struct net *net, u16 nlflags, u32 group) +{ + return (nlflags & NLM_F_ECHO) || rtnl_has_listeners(net, group); +} + #endif /* __LINUX_RTNETLINK_H */ diff --git a/include/linux/sched/smt.h b/include/linux/sched/smt.h index 59d3736c454c..737b50f40137 100644 --- a/include/linux/sched/smt.h +++ b/include/linux/sched/smt.h @@ -12,7 +12,7 @@ static __always_inline bool sched_smt_active(void) return static_branch_likely(&sched_smt_present); } #else -static inline bool sched_smt_active(void) { return false; } +static __always_inline bool sched_smt_active(void) { return false; } #endif void arch_smt_update(void); diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 2b5466204888..8014a335414e 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2850,6 +2850,29 @@ static inline void skb_reset_transport_header(struct sk_buff *skb) skb->transport_header = skb->data - skb->head; } +/** + * skb_reset_transport_header_careful - conditionally reset transport header + * @skb: buffer to alter + * + * Hardened version of skb_reset_transport_header(). + * + * Returns: true if the operation was a success. + */ +static inline bool __must_check +skb_reset_transport_header_careful(struct sk_buff *skb) +{ + long offset = skb->data - skb->head; + + if (unlikely(offset != (typeof(skb->transport_header))offset)) + return false; + + if (unlikely(offset == (typeof(skb->transport_header))~0U)) + return false; + + skb->transport_header = offset; + return true; +} + static inline void skb_set_transport_header(struct sk_buff *skb, const int offset) { diff --git a/include/linux/tpm.h b/include/linux/tpm.h index df5cd4245f29..4a4112bb1d1b 100644 --- a/include/linux/tpm.h +++ b/include/linux/tpm.h @@ -181,7 +181,7 @@ enum tpm2_const { enum tpm2_timeouts { TPM2_TIMEOUT_A = 750, - TPM2_TIMEOUT_B = 2000, + TPM2_TIMEOUT_B = 4000, TPM2_TIMEOUT_C = 200, TPM2_TIMEOUT_D = 30, TPM2_DURATION_SHORT = 20, @@ -271,6 +271,7 @@ enum tpm2_cc_attrs { #define TPM_VID_WINBOND 0x1050 #define TPM_VID_STM 0x104A #define TPM_VID_ATML 0x1114 +#define TPM_VID_IFX 0x15D1 enum tpm_chip_flags { TPM_CHIP_FLAG_BOOTSTRAPPED = BIT(0), diff --git a/include/linux/trace.h b/include/linux/trace.h index 2a70a447184c..bb4d84f1c58c 100644 --- a/include/linux/trace.h +++ b/include/linux/trace.h @@ -72,8 +72,8 @@ static inline int unregister_ftrace_export(struct trace_export *export) static inline void trace_printk_init_buffers(void) { } -static inline int trace_array_printk(struct trace_array *tr, unsigned long ip, - const char *fmt, ...) +static inline __printf(3, 4) +int trace_array_printk(struct trace_array *tr, unsigned long ip, const char *fmt, ...) { return 0; } diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h index 5a2c650d9e1c..c230cbd25aee 100644 --- a/include/linux/trace_seq.h +++ b/include/linux/trace_seq.h @@ -77,8 +77,8 @@ extern __printf(2, 3) void trace_seq_printf(struct trace_seq *s, const char *fmt, ...); extern __printf(2, 0) void trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args); -extern void -trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary); +extern __printf(2, 0) +void trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary); extern int trace_print_seq(struct seq_file *m, struct trace_seq *s); extern int trace_seq_to_user(struct trace_seq *s, char __user *ubuf, int cnt); @@ -100,8 +100,8 @@ extern int trace_seq_hex_dump(struct trace_seq *s, const char *prefix_str, static inline void trace_seq_printf(struct trace_seq *s, const char *fmt, ...) { } -static inline void -trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary) +static inline __printf(2, 0) +void trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary) { } diff --git a/include/linux/types.h b/include/linux/types.h index ea8cf60a8a79..f1df5d8df2ef 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -109,8 +109,9 @@ typedef u64 u_int64_t; typedef s64 int64_t; #endif -/* this is a special 64bit data type that is 8-byte aligned */ +/* These are the special 64-bit data types that are 8-byte aligned */ #define aligned_u64 __aligned_u64 +#define aligned_s64 __aligned_s64 #define aligned_be64 __aligned_be64 #define aligned_le64 __aligned_le64 diff --git a/include/linux/usb/r8152.h b/include/linux/usb/r8152.h index 33a4c146dc19..2ca60828f28b 100644 --- a/include/linux/usb/r8152.h +++ b/include/linux/usb/r8152.h @@ -30,6 +30,7 @@ #define VENDOR_ID_NVIDIA 0x0955 #define VENDOR_ID_TPLINK 0x2357 #define VENDOR_ID_DLINK 0x2001 +#define VENDOR_ID_DELL 0x413c #define VENDOR_ID_ASUS 0x0b05 #if IS_REACHABLE(CONFIG_USB_RTL8152) diff --git a/include/linux/usb/typec_dp.h b/include/linux/usb/typec_dp.h index 8d09c2f0a9b8..c3f08af20295 100644 --- a/include/linux/usb/typec_dp.h +++ b/include/linux/usb/typec_dp.h @@ -56,6 +56,7 @@ enum { DP_PIN_ASSIGN_D, DP_PIN_ASSIGN_E, DP_PIN_ASSIGN_F, /* Not supported after v1.0b */ + DP_PIN_ASSIGN_MAX, }; /* DisplayPort alt mode specific commands */ diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 0b9f1e598e3a..4bc6bb01a0eb 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -76,6 +76,7 @@ struct usbnet { # define EVENT_LINK_CHANGE 11 # define EVENT_SET_RX_MODE 12 # define EVENT_NO_IP_ALIGN 13 +# define EVENT_LINK_CARRIER_ON 14 /* This one is special, as it indicates that the device is going away * there are cyclic dependencies between tasklet, timer and bh * that must be broken diff --git a/include/linux/wait_bit.h b/include/linux/wait_bit.h index 7725b7579b78..2209c227e859 100644 --- a/include/linux/wait_bit.h +++ b/include/linux/wait_bit.h @@ -335,4 +335,64 @@ static inline void clear_and_wake_up_bit(int bit, void *word) wake_up_bit(word, bit); } +/** + * test_and_clear_wake_up_bit - clear a bit if it was set: wake up anyone waiting on that bit + * @bit: the bit of the word being waited on + * @word: the address of memory containing that bit + * + * If the bit is set and can be atomically cleared, any tasks waiting in + * wait_on_bit() or similar will be woken. This call has the same + * complete ordering semantics as test_and_clear_bit(). Any changes to + * memory made before this call are guaranteed to be visible after the + * corresponding wait_on_bit() completes. + * + * Returns %true if the bit was successfully set and the wake up was sent. + */ +static inline bool test_and_clear_wake_up_bit(int bit, unsigned long *word) +{ + if (!test_and_clear_bit(bit, word)) + return false; + /* no extra barrier required */ + wake_up_bit(word, bit); + return true; +} + +/** + * atomic_dec_and_wake_up - decrement an atomic_t and if zero, wake up waiters + * @var: the variable to dec and test + * + * Decrements the atomic variable and if it reaches zero, send a wake_up to any + * processes waiting on the variable. + * + * This function has the same complete ordering semantics as atomic_dec_and_test. + * + * Returns %true is the variable reaches zero and the wake up was sent. + */ + +static inline bool atomic_dec_and_wake_up(atomic_t *var) +{ + if (!atomic_dec_and_test(var)) + return false; + /* No extra barrier required */ + wake_up_var(var); + return true; +} + +/** + * store_release_wake_up - update a variable and send a wake_up + * @var: the address of the variable to be updated and woken + * @val: the value to store in the variable. + * + * Store the given value in the variable send a wake up to any tasks + * waiting on the variable. All necessary barriers are included to ensure + * the task calling wait_var_event() sees the new value and all values + * written to memory before this call. + */ +#define store_release_wake_up(var, val) \ +do { \ + smp_store_release(var, val); \ + smp_mb(); \ + wake_up_var(var); \ +} while (0) + #endif /* _LINUX_WAIT_BIT_H */ |