diff options
Diffstat (limited to 'include/linux')
26 files changed, 179 insertions, 116 deletions
diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index e5c76c1ef9ed..5f02d2e6b9d9 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -17,6 +17,7 @@ struct ffa_device { bool mode_32bit; uuid_t uuid; struct device dev; + const struct ffa_ops *ops; }; #define to_ffa_dev(d) container_of(d, struct ffa_device, dev) @@ -47,17 +48,18 @@ static inline void *ffa_dev_get_drvdata(struct ffa_device *fdev) } #if IS_REACHABLE(CONFIG_ARM_FFA_TRANSPORT) -struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id); +struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id, + const struct ffa_ops *ops); void ffa_device_unregister(struct ffa_device *ffa_dev); int ffa_driver_register(struct ffa_driver *driver, struct module *owner, const char *mod_name); void ffa_driver_unregister(struct ffa_driver *driver); bool ffa_device_is_valid(struct ffa_device *ffa_dev); -const struct ffa_dev_ops *ffa_dev_ops_get(struct ffa_device *dev); #else static inline -struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id) +struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id, + const struct ffa_ops *ops) { return NULL; } @@ -76,11 +78,6 @@ static inline void ffa_driver_unregister(struct ffa_driver *driver) {} static inline bool ffa_device_is_valid(struct ffa_device *ffa_dev) { return false; } -static inline -const struct ffa_dev_ops *ffa_dev_ops_get(struct ffa_device *dev) -{ - return NULL; -} #endif /* CONFIG_ARM_FFA_TRANSPORT */ #define ffa_register(driver) \ @@ -109,7 +106,10 @@ struct ffa_partition_info { #define FFA_PARTITION_DIRECT_SEND BIT(1) /* partition can send and receive indirect messages. */ #define FFA_PARTITION_INDIRECT_MSG BIT(2) +/* partition runs in the AArch64 execution state. */ +#define FFA_PARTITION_AARCH64_EXEC BIT(8) u32 properties; + u32 uuid[4]; }; /* For use with FFA_MSG_SEND_DIRECT_{REQ,RESP} which pass data via registers */ @@ -257,18 +257,28 @@ struct ffa_mem_ops_args { struct ffa_mem_region_attributes *attrs; }; -struct ffa_dev_ops { +struct ffa_info_ops { u32 (*api_version_get)(void); int (*partition_info_get)(const char *uuid_str, struct ffa_partition_info *buffer); +}; + +struct ffa_msg_ops { void (*mode_32bit_set)(struct ffa_device *dev); int (*sync_send_receive)(struct ffa_device *dev, struct ffa_send_direct_data *data); +}; + +struct ffa_mem_ops { int (*memory_reclaim)(u64 g_handle, u32 flags); - int (*memory_share)(struct ffa_device *dev, - struct ffa_mem_ops_args *args); - int (*memory_lend)(struct ffa_device *dev, - struct ffa_mem_ops_args *args); + int (*memory_share)(struct ffa_mem_ops_args *args); + int (*memory_lend)(struct ffa_mem_ops_args *args); +}; + +struct ffa_ops { + const struct ffa_info_ops *info_ops; + const struct ffa_msg_ops *msg_ops; + const struct ffa_mem_ops *mem_ops; }; #endif /* _LINUX_ARM_FFA_H */ diff --git a/include/linux/bitops.h b/include/linux/bitops.h index cf9bf65039f2..3b89c64bcfd8 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -59,6 +59,7 @@ extern unsigned long __sw_hweight64(__u64 w); #define __test_and_clear_bit(nr, addr) bitop(___test_and_clear_bit, nr, addr) #define __test_and_change_bit(nr, addr) bitop(___test_and_change_bit, nr, addr) #define test_bit(nr, addr) bitop(_test_bit, nr, addr) +#define test_bit_acquire(nr, addr) bitop(_test_bit_acquire, nr, addr) /* * Include this here because some architectures need generic_ffs/fls in diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index effee1dc715a..92294a5fb083 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -857,7 +857,6 @@ 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_complete_request(struct request *rq); bool blk_mq_complete_request_remote(struct request *rq); -bool blk_mq_queue_stopped(struct request_queue *q); void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx); void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx); void blk_mq_stop_hw_queues(struct request_queue *q); diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index def8b8d30ccc..089c9ade4325 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -156,7 +156,7 @@ static __always_inline int buffer_uptodate(const struct buffer_head *bh) * make it consistent with folio_test_uptodate * pairs with smp_mb__before_atomic in set_buffer_uptodate */ - return (smp_load_acquire(&bh->b_state) & (1UL << BH_Uptodate)) != 0; + return test_bit_acquire(BH_Uptodate, &bh->b_state); } #define bh_offset(bh) ((unsigned long)(bh)->b_data & ~PAGE_MASK) diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index ed53bfe7c46c..ac5d0515680e 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -734,11 +734,6 @@ static inline struct cgroup *cgroup_parent(struct cgroup *cgrp) return NULL; } -static inline struct psi_group *cgroup_psi(struct cgroup *cgrp) -{ - return NULL; -} - static inline bool cgroup_psi_enabled(void) { return false; diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 0d435d0edbcb..bd047864c7ac 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -202,12 +202,13 @@ static inline unsigned int cpumask_local_spread(unsigned int i, int node) return 0; } -static inline int cpumask_any_and_distribute(const struct cpumask *src1p, - const struct cpumask *src2p) { +static inline unsigned int cpumask_any_and_distribute(const struct cpumask *src1p, + const struct cpumask *src2p) +{ return cpumask_first_and(src1p, src2p); } -static inline int cpumask_any_distribute(const struct cpumask *srcp) +static inline unsigned int cpumask_any_distribute(const struct cpumask *srcp) { return cpumask_first(srcp); } @@ -261,7 +262,26 @@ unsigned int cpumask_next_and(int n, const struct cpumask *src1p, (cpu) = cpumask_next_zero((cpu), (mask)), \ (cpu) < nr_cpu_ids;) +#if NR_CPUS == 1 +static inline +unsigned int cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool wrap) +{ + cpumask_check(start); + if (n != -1) + cpumask_check(n); + + /* + * Return the first available CPU when wrapping, or when starting before cpu0, + * since there is only one valid option. + */ + if (wrap && n >= 0) + return nr_cpumask_bits; + + return cpumask_first(mask); +} +#else unsigned int __pure cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool wrap); +#endif /** * for_each_cpu_wrap - iterate over every cpu in a mask, starting at a specified location diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 1c480b1821e1..f4519d3689e1 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -656,12 +656,12 @@ struct kvm_irq_routing_table { }; #endif -#ifndef KVM_PRIVATE_MEM_SLOTS -#define KVM_PRIVATE_MEM_SLOTS 0 +#ifndef KVM_INTERNAL_MEM_SLOTS +#define KVM_INTERNAL_MEM_SLOTS 0 #endif #define KVM_MEM_SLOTS_NUM SHRT_MAX -#define KVM_USER_MEM_SLOTS (KVM_MEM_SLOTS_NUM - KVM_PRIVATE_MEM_SLOTS) +#define KVM_USER_MEM_SLOTS (KVM_MEM_SLOTS_NUM - KVM_INTERNAL_MEM_SLOTS) #ifndef __KVM_VCPU_MULTIPLE_ADDRESS_SPACE static inline int kvm_arch_vcpu_memslots_id(struct kvm_vcpu *vcpu) @@ -765,10 +765,10 @@ struct kvm { #if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER) struct mmu_notifier mmu_notifier; - unsigned long mmu_notifier_seq; - long mmu_notifier_count; - unsigned long mmu_notifier_range_start; - unsigned long mmu_notifier_range_end; + unsigned long mmu_invalidate_seq; + long mmu_invalidate_in_progress; + unsigned long mmu_invalidate_range_start; + unsigned long mmu_invalidate_range_end; #endif struct list_head devices; u64 manual_dirty_log_protect; @@ -1357,10 +1357,10 @@ void kvm_mmu_free_memory_cache(struct kvm_mmu_memory_cache *mc); void *kvm_mmu_memory_cache_alloc(struct kvm_mmu_memory_cache *mc); #endif -void kvm_inc_notifier_count(struct kvm *kvm, unsigned long start, - unsigned long end); -void kvm_dec_notifier_count(struct kvm *kvm, unsigned long start, - unsigned long end); +void kvm_mmu_invalidate_begin(struct kvm *kvm, unsigned long start, + unsigned long end); +void kvm_mmu_invalidate_end(struct kvm *kvm, unsigned long start, + unsigned long end); long kvm_arch_dev_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); @@ -1907,42 +1907,44 @@ extern const struct kvm_stats_header kvm_vcpu_stats_header; extern const struct _kvm_stats_desc kvm_vcpu_stats_desc[]; #if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER) -static inline int mmu_notifier_retry(struct kvm *kvm, unsigned long mmu_seq) +static inline int mmu_invalidate_retry(struct kvm *kvm, unsigned long mmu_seq) { - if (unlikely(kvm->mmu_notifier_count)) + if (unlikely(kvm->mmu_invalidate_in_progress)) return 1; /* - * Ensure the read of mmu_notifier_count happens before the read - * of mmu_notifier_seq. This interacts with the smp_wmb() in - * mmu_notifier_invalidate_range_end to make sure that the caller - * either sees the old (non-zero) value of mmu_notifier_count or - * the new (incremented) value of mmu_notifier_seq. - * PowerPC Book3s HV KVM calls this under a per-page lock - * rather than under kvm->mmu_lock, for scalability, so - * can't rely on kvm->mmu_lock to keep things ordered. + * Ensure the read of mmu_invalidate_in_progress happens before + * the read of mmu_invalidate_seq. This interacts with the + * smp_wmb() in mmu_notifier_invalidate_range_end to make sure + * that the caller either sees the old (non-zero) value of + * mmu_invalidate_in_progress or the new (incremented) value of + * mmu_invalidate_seq. + * + * PowerPC Book3s HV KVM calls this under a per-page lock rather + * than under kvm->mmu_lock, for scalability, so can't rely on + * kvm->mmu_lock to keep things ordered. */ smp_rmb(); - if (kvm->mmu_notifier_seq != mmu_seq) + if (kvm->mmu_invalidate_seq != mmu_seq) return 1; return 0; } -static inline int mmu_notifier_retry_hva(struct kvm *kvm, - unsigned long mmu_seq, - unsigned long hva) +static inline int mmu_invalidate_retry_hva(struct kvm *kvm, + unsigned long mmu_seq, + unsigned long hva) { lockdep_assert_held(&kvm->mmu_lock); /* - * If mmu_notifier_count is non-zero, then the range maintained by - * kvm_mmu_notifier_invalidate_range_start contains all addresses that - * might be being invalidated. Note that it may include some false + * If mmu_invalidate_in_progress is non-zero, then the range maintained + * by kvm_mmu_notifier_invalidate_range_start contains all addresses + * that might be being invalidated. Note that it may include some false * positives, due to shortcuts when handing concurrent invalidations. */ - if (unlikely(kvm->mmu_notifier_count) && - hva >= kvm->mmu_notifier_range_start && - hva < kvm->mmu_notifier_range_end) + if (unlikely(kvm->mmu_invalidate_in_progress) && + hva >= kvm->mmu_invalidate_range_start && + hva < kvm->mmu_invalidate_range_end) return 1; - if (kvm->mmu_notifier_seq != mmu_seq) + if (kvm->mmu_invalidate_seq != mmu_seq) return 1; return 0; } diff --git a/include/linux/libata.h b/include/linux/libata.h index 0269ff114f5a..698032e5ef2d 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1382,7 +1382,8 @@ extern const struct attribute_group *ata_common_sdev_groups[]; .proc_name = drv_name, \ .slave_destroy = ata_scsi_slave_destroy, \ .bios_param = ata_std_bios_param, \ - .unlock_native_capacity = ata_scsi_unlock_native_capacity + .unlock_native_capacity = ata_scsi_unlock_native_capacity,\ + .max_sectors = ATA_MAX_SECTORS_LBA48 #define ATA_SUBBASE_SHT(drv_name) \ __ATA_BASE_SHT(drv_name), \ diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 4d31ce55b1c0..6257867fbf95 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -987,19 +987,30 @@ static inline void mod_memcg_page_state(struct page *page, static inline unsigned long memcg_page_state(struct mem_cgroup *memcg, int idx) { - return READ_ONCE(memcg->vmstats.state[idx]); + long x = READ_ONCE(memcg->vmstats.state[idx]); +#ifdef CONFIG_SMP + if (x < 0) + x = 0; +#endif + return x; } static inline unsigned long lruvec_page_state(struct lruvec *lruvec, enum node_stat_item idx) { struct mem_cgroup_per_node *pn; + long x; if (mem_cgroup_disabled()) return node_page_state(lruvec_pgdat(lruvec), idx); pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec); - return READ_ONCE(pn->lruvec_stats.state[idx]); + x = READ_ONCE(pn->lruvec_stats.state[idx]); +#ifdef CONFIG_SMP + if (x < 0) + x = 0; +#endif + return x; } static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec, diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 96b16fbe1aa4..7b7ce602c808 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -779,6 +779,7 @@ struct mlx5_core_dev { enum mlx5_device_state state; /* sync interface state */ struct mutex intf_state_mutex; + struct lock_class_key lock_key; unsigned long intf_state; struct mlx5_priv priv; struct mlx5_profile profile; diff --git a/include/linux/mm.h b/include/linux/mm.h index 3bedc449c14d..21f8b27bd9fd 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1544,9 +1544,16 @@ static inline bool is_longterm_pinnable_page(struct page *page) if (mt == MIGRATE_CMA || mt == MIGRATE_ISOLATE) return false; #endif - return !(is_device_coherent_page(page) || - is_zone_movable_page(page) || - is_zero_pfn(page_to_pfn(page))); + /* The zero page may always be pinned */ + if (is_zero_pfn(page_to_pfn(page))) + return true; + + /* Coherent device memory must always allow eviction. */ + if (is_device_coherent_page(page)) + return false; + + /* Otherwise, non-movable zone pages can be pinned. */ + return !is_zone_movable_page(page); } #else static inline bool is_longterm_pinnable_page(struct page *page) @@ -2885,7 +2892,6 @@ struct page *follow_page(struct vm_area_struct *vma, unsigned long address, #define FOLL_MIGRATION 0x400 /* wait for page to replace migration entry */ #define FOLL_TRIED 0x800 /* a retry, previous pass started an IO */ #define FOLL_REMOTE 0x2000 /* we are working on non-current tsk/mm */ -#define FOLL_COW 0x4000 /* internal GUP flag */ #define FOLL_ANON 0x8000 /* don't do file mappings */ #define FOLL_LONGTERM 0x10000 /* mapping lifetime is indefinite: see below */ #define FOLL_SPLIT_PMD 0x20000 /* split huge pmd before returning */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 1a3cb93c3dcc..05d6f3facd5a 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -640,9 +640,23 @@ extern int sysctl_devconf_inherit_init_net; */ static inline bool net_has_fallback_tunnels(const struct net *net) { - return !IS_ENABLED(CONFIG_SYSCTL) || - !sysctl_fb_tunnels_only_for_init_net || - (net == &init_net && sysctl_fb_tunnels_only_for_init_net == 1); +#if IS_ENABLED(CONFIG_SYSCTL) + int fb_tunnels_only_for_init_net = READ_ONCE(sysctl_fb_tunnels_only_for_init_net); + + return !fb_tunnels_only_for_init_net || + (net_eq(net, &init_net) && fb_tunnels_only_for_init_net == 1); +#else + return true; +#endif +} + +static inline int net_inherit_devconf(void) +{ +#if IS_ENABLED(CONFIG_SYSCTL) + return READ_ONCE(sysctl_devconf_inherit_init_net); +#else + return 0; +#endif } static inline int netdev_queue_numa_node_read(const struct netdev_queue *q) diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h index a13296d6c7ce..fd533552a062 100644 --- a/include/linux/netfilter_bridge/ebtables.h +++ b/include/linux/netfilter_bridge/ebtables.h @@ -94,10 +94,6 @@ struct ebt_table { struct ebt_replace_kernel *table; unsigned int valid_hooks; rwlock_t lock; - /* e.g. could be the table explicitly only allows certain - * matches, targets, ... 0 == let it in */ - int (*check)(const struct ebt_table_info *info, - unsigned int valid_hooks); /* the data used by the kernel */ struct ebt_table_info *private; struct nf_hook_ops *ops; diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index b32ed68e7dc4..7931fa472561 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -83,7 +83,6 @@ struct nfs_open_context { fmode_t mode; unsigned long flags; -#define NFS_CONTEXT_RESEND_WRITES (1) #define NFS_CONTEXT_BAD (2) #define NFS_CONTEXT_UNLOCK (3) #define NFS_CONTEXT_FILE_OPEN (4) @@ -182,6 +181,7 @@ struct nfs_inode { /* Regular file */ struct { atomic_long_t nrequests; + atomic_long_t redirtied_pages; struct nfs_mds_commit_info commit_info; struct mutex commit_mutex; }; diff --git a/include/linux/psi.h b/include/linux/psi.h index 89784763d19e..dd74411ac21d 100644 --- a/include/linux/psi.h +++ b/include/linux/psi.h @@ -27,7 +27,7 @@ void psi_memstall_leave(unsigned long *flags); int psi_show(struct seq_file *s, struct psi_group *group, enum psi_res res); struct psi_trigger *psi_trigger_create(struct psi_group *group, - char *buf, size_t nbytes, enum psi_res res); + char *buf, enum psi_res res); void psi_trigger_destroy(struct psi_trigger *t); __poll_t psi_trigger_poll(void **trigger_ptr, struct file *file, diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h index 1b6c4013f691..ff0b990de83d 100644 --- a/include/linux/shmem_fs.h +++ b/include/linux/shmem_fs.h @@ -29,15 +29,10 @@ struct shmem_inode_info { struct inode vfs_inode; }; -#define SHMEM_FL_USER_VISIBLE FS_FL_USER_VISIBLE -#define SHMEM_FL_USER_MODIFIABLE FS_FL_USER_MODIFIABLE -#define SHMEM_FL_INHERITED FS_FL_USER_MODIFIABLE - -/* Flags that are appropriate for regular files (all but dir-specific ones). */ -#define SHMEM_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL)) - -/* Flags that are appropriate for non-directories/regular files. */ -#define SHMEM_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL) +#define SHMEM_FL_USER_VISIBLE FS_FL_USER_VISIBLE +#define SHMEM_FL_USER_MODIFIABLE \ + (FS_IMMUTABLE_FL | FS_APPEND_FL | FS_NODUMP_FL | FS_NOATIME_FL) +#define SHMEM_FL_INHERITED (FS_NODUMP_FL | FS_NOATIME_FL) struct shmem_sb_info { unsigned long max_blocks; /* How many blocks are allowed */ diff --git a/include/linux/soc/apple/rtkit.h b/include/linux/soc/apple/rtkit.h index 88eb832eac7b..c9cabb679cd1 100644 --- a/include/linux/soc/apple/rtkit.h +++ b/include/linux/soc/apple/rtkit.h @@ -152,4 +152,16 @@ int apple_rtkit_send_message(struct apple_rtkit *rtk, u8 ep, u64 message, int apple_rtkit_send_message_wait(struct apple_rtkit *rtk, u8 ep, u64 message, unsigned long timeout, bool atomic); +/* + * Process incoming messages in atomic context. + * This only guarantees that messages arrive as far as the recv_message_early + * callback; drivers expecting to handle incoming messages synchronously + * by calling this function must do it that way. + * Will return 1 if some data was processed, 0 if none was, or a + * negative error code on failure. + * + * @rtk: RTKit reference + */ +int apple_rtkit_poll(struct apple_rtkit *rtk); + #endif /* _LINUX_APPLE_RTKIT_H_ */ diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h index 59117d970daf..d2b02bb43768 100644 --- a/include/linux/soc/mediatek/mtk-mmsys.h +++ b/include/linux/soc/mediatek/mtk-mmsys.h @@ -65,4 +65,6 @@ void mtk_mmsys_ddp_disconnect(struct device *dev, enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next); +void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 val); + #endif /* __MTK_MMSYS_H */ diff --git a/include/linux/soc/mediatek/mtk-mutex.h b/include/linux/soc/mediatek/mtk-mutex.h index a0f4f51a3b45..b335c2837cd8 100644 --- a/include/linux/soc/mediatek/mtk-mutex.h +++ b/include/linux/soc/mediatek/mtk-mutex.h @@ -20,6 +20,8 @@ enum mtk_mutex_mod_index { MUTEX_MOD_IDX_MDP_WDMA, MUTEX_MOD_IDX_MDP_AAL0, MUTEX_MOD_IDX_MDP_CCORR0, + MUTEX_MOD_IDX_MDP_HDR0, + MUTEX_MOD_IDX_MDP_COLOR0, MUTEX_MOD_IDX_MAX /* ALWAYS keep at the end */ }; diff --git a/include/linux/soc/mediatek/mtk_sip_svc.h b/include/linux/soc/mediatek/mtk_sip_svc.h index 082398e0cfb1..0761128b4354 100644 --- a/include/linux/soc/mediatek/mtk_sip_svc.h +++ b/include/linux/soc/mediatek/mtk_sip_svc.h @@ -22,4 +22,7 @@ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, MTK_SIP_SMC_CONVENTION, \ ARM_SMCCC_OWNER_SIP, fn_id) +/* IOMMU related SMC call */ +#define MTK_SIP_KERNEL_IOMMU_CONTROL MTK_SIP_SMC_CMD(0x514) + #endif diff --git a/include/linux/soc/sunxi/sunxi_sram.h b/include/linux/soc/sunxi/sunxi_sram.h index c5f663bba9c2..60e274d1b821 100644 --- a/include/linux/soc/sunxi/sunxi_sram.h +++ b/include/linux/soc/sunxi/sunxi_sram.h @@ -14,6 +14,6 @@ #define _SUNXI_SRAM_H_ int sunxi_sram_claim(struct device *dev); -int sunxi_sram_release(struct device *dev); +void sunxi_sram_release(struct device *dev); #endif /* _SUNXI_SRAM_H_ */ diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h index 732b522bacb7..e1b8a915e9e9 100644 --- a/include/linux/userfaultfd_k.h +++ b/include/linux/userfaultfd_k.h @@ -73,6 +73,8 @@ extern ssize_t mcopy_continue(struct mm_struct *dst_mm, unsigned long dst_start, extern int mwriteprotect_range(struct mm_struct *dst_mm, unsigned long start, unsigned long len, bool enable_wp, atomic_t *mmap_changing); +extern void uffd_wp_range(struct mm_struct *dst_mm, struct vm_area_struct *vma, + unsigned long start, unsigned long len, bool enable_wp); /* mm helpers */ static inline bool is_mergeable_vm_userfaultfd_ctx(struct vm_area_struct *vma, diff --git a/include/linux/virtio.h b/include/linux/virtio.h index a3f73bb6733e..dcab9c7e8784 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -11,7 +11,7 @@ #include <linux/gfp.h> /** - * virtqueue - a queue to register buffers for sending or receiving. + * struct virtqueue - a queue to register buffers for sending or receiving. * @list: the chain of virtqueues for this device * @callback: the function to call when buffers are consumed (can be NULL). * @name: the name of this virtqueue (mainly for debugging) @@ -97,7 +97,7 @@ int virtqueue_resize(struct virtqueue *vq, u32 num, void (*recycle)(struct virtqueue *vq, void *buf)); /** - * virtio_device - representation of a device using virtio + * struct virtio_device - representation of a device using virtio * @index: unique position on the virtio bus * @failed: saved value for VIRTIO_CONFIG_S_FAILED bit (for restore) * @config_enabled: configuration change reporting enabled @@ -156,7 +156,7 @@ size_t virtio_max_dma_size(struct virtio_device *vdev); list_for_each_entry(vq, &vdev->vqs, list) /** - * virtio_driver - operations for a virtio I/O driver + * struct virtio_driver - operations for a virtio I/O driver * @driver: underlying device driver (populate name and owner). * @id_table: the ids serviced by this driver. * @feature_table: an array of feature numbers supported by this driver. diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 6adff09f7170..4b517649cfe8 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -55,7 +55,6 @@ struct virtio_shm_region { * include a NULL entry for vqs that do not need a callback * names: array of virtqueue names (mainly for debugging) * include a NULL entry for vqs unused by driver - * sizes: array of virtqueue sizes * Returns 0 on success or error status * @del_vqs: free virtqueues found by find_vqs(). * @synchronize_cbs: synchronize with the virtqueue callbacks (optional) @@ -104,9 +103,7 @@ struct virtio_config_ops { void (*reset)(struct virtio_device *vdev); int (*find_vqs)(struct virtio_device *, unsigned nvqs, struct virtqueue *vqs[], vq_callback_t *callbacks[], - const char * const names[], - u32 sizes[], - const bool *ctx, + const char * const names[], const bool *ctx, struct irq_affinity *desc); void (*del_vqs)(struct virtio_device *); void (*synchronize_cbs)(struct virtio_device *); @@ -215,7 +212,7 @@ struct virtqueue *virtio_find_single_vq(struct virtio_device *vdev, const char *names[] = { n }; struct virtqueue *vq; int err = vdev->config->find_vqs(vdev, 1, &vq, callbacks, names, NULL, - NULL, NULL); + NULL); if (err < 0) return ERR_PTR(err); return vq; @@ -227,8 +224,7 @@ int virtio_find_vqs(struct virtio_device *vdev, unsigned nvqs, const char * const names[], struct irq_affinity *desc) { - return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, NULL, - NULL, desc); + return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, NULL, desc); } static inline @@ -237,25 +233,13 @@ int virtio_find_vqs_ctx(struct virtio_device *vdev, unsigned nvqs, const char * const names[], const bool *ctx, struct irq_affinity *desc) { - return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, NULL, - ctx, desc); -} - -static inline -int virtio_find_vqs_ctx_size(struct virtio_device *vdev, u32 nvqs, - struct virtqueue *vqs[], - vq_callback_t *callbacks[], - const char * const names[], - u32 sizes[], - const bool *ctx, struct irq_affinity *desc) -{ - return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, sizes, - ctx, desc); + return vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names, ctx, + desc); } /** * virtio_synchronize_cbs - synchronize with virtqueue callbacks - * @vdev: the device + * @dev: the virtio device */ static inline void virtio_synchronize_cbs(struct virtio_device *dev) @@ -274,7 +258,7 @@ void virtio_synchronize_cbs(struct virtio_device *dev) /** * virtio_device_ready - enable vq use in probe function - * @vdev: the device + * @dev: the virtio device * * Driver must call this to use vqs in the probe function. * @@ -322,7 +306,7 @@ const char *virtio_bus_name(struct virtio_device *vdev) /** * virtqueue_set_affinity - setting affinity for a virtqueue * @vq: the virtqueue - * @cpu: the cpu no. + * @cpu_mask: the cpu mask * * Pay attention the function are best-effort: the affinity hint may not be set * due to config support, irq type and sharing. diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h index 404024486fa5..f3fc36cd2276 100644 --- a/include/linux/vm_event_item.h +++ b/include/linux/vm_event_item.h @@ -20,12 +20,19 @@ #define HIGHMEM_ZONE(xx) #endif -#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL, HIGHMEM_ZONE(xx) xx##_MOVABLE +#ifdef CONFIG_ZONE_DEVICE +#define DEVICE_ZONE(xx) xx##_DEVICE, +#else +#define DEVICE_ZONE(xx) +#endif + +#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL, \ + HIGHMEM_ZONE(xx) xx##_MOVABLE, DEVICE_ZONE(xx) enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, - FOR_ALL_ZONES(PGALLOC), - FOR_ALL_ZONES(ALLOCSTALL), - FOR_ALL_ZONES(PGSCAN_SKIP), + FOR_ALL_ZONES(PGALLOC) + FOR_ALL_ZONES(ALLOCSTALL) + FOR_ALL_ZONES(PGSCAN_SKIP) PGFREE, PGACTIVATE, PGDEACTIVATE, PGLAZYFREE, PGFAULT, PGMAJFAULT, PGLAZYFREED, diff --git a/include/linux/wait_bit.h b/include/linux/wait_bit.h index 7dec36aecbd9..7725b7579b78 100644 --- a/include/linux/wait_bit.h +++ b/include/linux/wait_bit.h @@ -71,7 +71,7 @@ static inline int wait_on_bit(unsigned long *word, int bit, unsigned mode) { might_sleep(); - if (!test_bit(bit, word)) + if (!test_bit_acquire(bit, word)) return 0; return out_of_line_wait_on_bit(word, bit, bit_wait, @@ -96,7 +96,7 @@ static inline int wait_on_bit_io(unsigned long *word, int bit, unsigned mode) { might_sleep(); - if (!test_bit(bit, word)) + if (!test_bit_acquire(bit, word)) return 0; return out_of_line_wait_on_bit(word, bit, bit_wait_io, @@ -123,7 +123,7 @@ wait_on_bit_timeout(unsigned long *word, int bit, unsigned mode, unsigned long timeout) { might_sleep(); - if (!test_bit(bit, word)) + if (!test_bit_acquire(bit, word)) return 0; return out_of_line_wait_on_bit_timeout(word, bit, bit_wait_timeout, @@ -151,7 +151,7 @@ wait_on_bit_action(unsigned long *word, int bit, wait_bit_action_f *action, unsigned mode) { might_sleep(); - if (!test_bit(bit, word)) + if (!test_bit_acquire(bit, word)) return 0; return out_of_line_wait_on_bit(word, bit, action, mode); } |