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-rw-r--r--include/linux/acpi.h2
-rw-r--r--include/linux/alloc_tag.h9
-rw-r--r--include/linux/arm_ffa.h13
-rw-r--r--include/linux/bio.h2
-rw-r--r--include/linux/blkdev.h5
-rw-r--r--include/linux/bpf.h20
-rw-r--r--include/linux/bpf_verifier.h1
-rw-r--r--include/linux/bus/stm32_firewall_device.h2
-rw-r--r--include/linux/cacheinfo.h6
-rw-r--r--include/linux/cleanup.h14
-rw-r--r--include/linux/clocksource.h2
-rw-r--r--include/linux/compiler.h37
-rw-r--r--include/linux/cred.h43
-rw-r--r--include/linux/dmaengine.h13
-rw-r--r--include/linux/dsa/ocelot.h1
-rw-r--r--include/linux/export.h6
-rw-r--r--include/linux/exportfs.h20
-rw-r--r--include/linux/fiemap.h16
-rw-r--r--include/linux/filter.h2
-rw-r--r--include/linux/folio_queue.h12
-rw-r--r--include/linux/fortify-string.h14
-rw-r--r--include/linux/fs.h29
-rw-r--r--include/linux/fw_table.h2
-rw-r--r--include/linux/hid_bpf.h2
-rw-r--r--include/linux/highmem.h8
-rw-r--r--include/linux/hrtimer.h1
-rw-r--r--include/linux/hyperv.h1
-rw-r--r--include/linux/if_vlan.h16
-rw-r--r--include/linux/io_uring.h4
-rw-r--r--include/linux/io_uring/cmd.h14
-rw-r--r--include/linux/io_uring_types.h2
-rw-r--r--include/linux/iomap.h2
-rw-r--r--include/linux/lockref.h26
-rw-r--r--include/linux/memfd.h14
-rw-r--r--include/linux/mfd/da9063/core.h1
-rw-r--r--include/linux/mlx5/driver.h7
-rw-r--r--include/linux/mlx5/mlx5_ifc.h4
-rw-r--r--include/linux/mm.h90
-rw-r--r--include/linux/mm_types.h30
-rw-r--r--include/linux/module.h5
-rw-r--r--include/linux/mount.h7
-rw-r--r--include/linux/netdev_features.h7
-rw-r--r--include/linux/netfs.h61
-rw-r--r--include/linux/page-flags.h16
-rw-r--r--include/linux/percpu-defs.h5
-rw-r--r--include/linux/pgalloc_tag.h4
-rw-r--r--include/linux/pid.h5
-rw-r--r--include/linux/pid_namespace.h10
-rw-r--r--include/linux/pidfs.h3
-rw-r--r--include/linux/platform_data/amd_qdma.h2
-rw-r--r--include/linux/platform_device.h12
-rw-r--r--include/linux/pm.h2
-rw-r--r--include/linux/poll.h26
-rw-r--r--include/linux/pruss_driver.h12
-rw-r--r--include/linux/pseudo_fs.h1
-rw-r--r--include/linux/pwm.h2
-rw-r--r--include/linux/rculist.h44
-rw-r--r--include/linux/regulator/consumer.h77
-rw-r--r--include/linux/rolling_buffer.h61
-rw-r--r--include/linux/scatterlist.h2
-rw-r--r--include/linux/sched.h10
-rw-r--r--include/linux/seccomp.h2
-rw-r--r--include/linux/seqlock.h2
-rw-r--r--include/linux/skmsg.h11
-rw-r--r--include/linux/stackdepot.h6
-rw-r--r--include/linux/static_call.h6
-rw-r--r--include/linux/trace_events.h8
-rw-r--r--include/linux/userfaultfd_k.h12
-rw-r--r--include/linux/vermagic.h6
-rw-r--r--include/linux/virtio.h6
-rw-r--r--include/linux/vmstat.h2
-rw-r--r--include/linux/ww_mutex.h4
72 files changed, 635 insertions, 297 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 05f39fbfa485..6adcd1b92b20 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -40,7 +40,7 @@ struct irq_domain_ops;
#include <asm/acpi.h>
#ifdef CONFIG_ACPI_TABLE_LIB
-#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, ACPI)
+#define EXPORT_SYMBOL_ACPI_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "ACPI")
#define __init_or_acpilib
#define __initdata_or_acpilib
#else
diff --git a/include/linux/alloc_tag.h b/include/linux/alloc_tag.h
index 7c0786bdf9af..0bbbe537c5f9 100644
--- a/include/linux/alloc_tag.h
+++ b/include/linux/alloc_tag.h
@@ -63,7 +63,12 @@ static inline void set_codetag_empty(union codetag_ref *ref)
#else /* CONFIG_MEM_ALLOC_PROFILING_DEBUG */
static inline bool is_codetag_empty(union codetag_ref *ref) { return false; }
-static inline void set_codetag_empty(union codetag_ref *ref) {}
+
+static inline void set_codetag_empty(union codetag_ref *ref)
+{
+ if (ref)
+ ref->ct = NULL;
+}
#endif /* CONFIG_MEM_ALLOC_PROFILING_DEBUG */
@@ -135,7 +140,7 @@ static inline struct alloc_tag_counters alloc_tag_read(struct alloc_tag *tag)
#ifdef CONFIG_MEM_ALLOC_PROFILING_DEBUG
static inline void alloc_tag_add_check(union codetag_ref *ref, struct alloc_tag *tag)
{
- WARN_ONCE(ref && ref->ct,
+ WARN_ONCE(ref && ref->ct && !is_codetag_empty(ref),
"alloc_tag was not cleared (got tag for %s:%u)\n",
ref->ct->filename, ref->ct->lineno);
diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h
index a28e2a6a13d0..74169dd0f659 100644
--- a/include/linux/arm_ffa.h
+++ b/include/linux/arm_ffa.h
@@ -166,9 +166,12 @@ static inline void *ffa_dev_get_drvdata(struct ffa_device *fdev)
return dev_get_drvdata(&fdev->dev);
}
+struct ffa_partition_info;
+
#if IS_REACHABLE(CONFIG_ARM_FFA_TRANSPORT)
-struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id,
- const struct ffa_ops *ops);
+struct ffa_device *
+ffa_device_register(const struct ffa_partition_info *part_info,
+ 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);
@@ -176,9 +179,9 @@ void ffa_driver_unregister(struct ffa_driver *driver);
bool ffa_device_is_valid(struct ffa_device *ffa_dev);
#else
-static inline
-struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id,
- const struct ffa_ops *ops)
+static inline struct ffa_device *
+ffa_device_register(const struct ffa_partition_info *part_info,
+ const struct ffa_ops *ops)
{
return NULL;
}
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 60830a6a5939..7a1b3b1a8fed 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -423,7 +423,7 @@ void __bio_add_page(struct bio *bio, struct page *page,
void bio_add_folio_nofail(struct bio *bio, struct folio *folio, size_t len,
size_t off);
int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter);
-void bio_iov_bvec_set(struct bio *bio, struct iov_iter *iter);
+void bio_iov_bvec_set(struct bio *bio, const struct iov_iter *iter);
void __bio_release_pages(struct bio *bio, bool mark_dirty);
extern void bio_set_pages_dirty(struct bio *bio);
extern void bio_check_pages_dirty(struct bio *bio);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 08a727b40816..378d3a1a22fc 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -200,8 +200,6 @@ struct gendisk {
spinlock_t zone_wplugs_lock;
struct mempool_s *zone_wplugs_pool;
struct hlist_head *zone_wplugs_hash;
- struct list_head zone_wplugs_err_list;
- struct work_struct zone_wplugs_work;
struct workqueue_struct *zone_wplugs_wq;
#endif /* CONFIG_BLK_DEV_ZONED */
@@ -1421,6 +1419,9 @@ static inline bool bdev_zone_is_seq(struct block_device *bdev, sector_t sector)
return is_seq;
}
+int blk_zone_issue_zeroout(struct block_device *bdev, sector_t sector,
+ sector_t nr_sects, gfp_t gfp_mask);
+
static inline unsigned int queue_dma_alignment(const struct request_queue *q)
{
return q->limits.dma_alignment;
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index eaee2a819f4c..6e63dd3443b9 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -1527,6 +1527,7 @@ struct bpf_prog_aux {
bool is_extended; /* true if extended by freplace program */
bool jits_use_priv_stack;
bool priv_stack_requested;
+ bool changes_pkt_data;
u64 prog_array_member_cnt; /* counts how many times as member of prog_array */
struct mutex ext_mutex; /* mutex for is_extended and prog_array_member_cnt */
struct bpf_arena *arena;
@@ -2193,26 +2194,25 @@ bpf_prog_run_array(const struct bpf_prog_array *array,
* rcu-protected dynamically sized maps.
*/
static __always_inline u32
-bpf_prog_run_array_uprobe(const struct bpf_prog_array __rcu *array_rcu,
+bpf_prog_run_array_uprobe(const struct bpf_prog_array *array,
const void *ctx, bpf_prog_run_fn run_prog)
{
const struct bpf_prog_array_item *item;
const struct bpf_prog *prog;
- const struct bpf_prog_array *array;
struct bpf_run_ctx *old_run_ctx;
struct bpf_trace_run_ctx run_ctx;
u32 ret = 1;
might_fault();
+ RCU_LOCKDEP_WARN(!rcu_read_lock_trace_held(), "no rcu lock held");
+
+ if (unlikely(!array))
+ return ret;
- rcu_read_lock_trace();
migrate_disable();
run_ctx.is_uprobe = true;
- array = rcu_dereference_check(array_rcu, rcu_read_lock_trace_held());
- if (unlikely(!array))
- goto out;
old_run_ctx = bpf_set_run_ctx(&run_ctx.run_ctx);
item = &array->items[0];
while ((prog = READ_ONCE(item->prog))) {
@@ -2227,9 +2227,7 @@ bpf_prog_run_array_uprobe(const struct bpf_prog_array __rcu *array_rcu,
rcu_read_unlock();
}
bpf_reset_run_ctx(old_run_ctx);
-out:
migrate_enable();
- rcu_read_unlock_trace();
return ret;
}
@@ -3516,10 +3514,4 @@ static inline bool bpf_is_subprog(const struct bpf_prog *prog)
return prog->aux->func_idx != 0;
}
-static inline bool bpf_prog_is_raw_tp(const struct bpf_prog *prog)
-{
- return prog->type == BPF_PROG_TYPE_TRACING &&
- prog->expected_attach_type == BPF_TRACE_RAW_TP;
-}
-
#endif /* _LINUX_BPF_H */
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index f4290c179bee..48b7b2eeb7e2 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -659,6 +659,7 @@ struct bpf_subprog_info {
bool args_cached: 1;
/* true if bpf_fastcall stack region is used by functions that can't be inlined */
bool keep_fastcall_stack: 1;
+ bool changes_pkt_data: 1;
enum priv_stack_mode priv_stack_mode;
u8 arg_cnt;
diff --git a/include/linux/bus/stm32_firewall_device.h b/include/linux/bus/stm32_firewall_device.h
index 18e0a2fc3816..5178b72bc920 100644
--- a/include/linux/bus/stm32_firewall_device.h
+++ b/include/linux/bus/stm32_firewall_device.h
@@ -115,7 +115,7 @@ void stm32_firewall_release_access_by_id(struct stm32_firewall *firewall, u32 su
#else /* CONFIG_STM32_FIREWALL */
int stm32_firewall_get_firewall(struct device_node *np, struct stm32_firewall *firewall,
- unsigned int nb_firewall);
+ unsigned int nb_firewall)
{
return -ENODEV;
}
diff --git a/include/linux/cacheinfo.h b/include/linux/cacheinfo.h
index 108060612bb8..7ad736538649 100644
--- a/include/linux/cacheinfo.h
+++ b/include/linux/cacheinfo.h
@@ -155,8 +155,14 @@ static inline int get_cpu_cacheinfo_id(int cpu, int level)
#ifndef CONFIG_ARCH_HAS_CPU_CACHE_ALIASING
#define cpu_dcache_is_aliasing() false
+#define cpu_icache_is_aliasing() cpu_dcache_is_aliasing()
#else
#include <asm/cachetype.h>
+
+#ifndef cpu_icache_is_aliasing
+#define cpu_icache_is_aliasing() cpu_dcache_is_aliasing()
+#endif
+
#endif
#endif /* _LINUX_CACHEINFO_H */
diff --git a/include/linux/cleanup.h b/include/linux/cleanup.h
index 966fcc5ff8ef..ec00e3f7af2b 100644
--- a/include/linux/cleanup.h
+++ b/include/linux/cleanup.h
@@ -273,12 +273,6 @@ static inline class_##_name##_t class_##_name##ext##_constructor(_init_args) \
* an anonymous instance of the (guard) class, not recommended for
* conditional locks.
*
- * if_not_guard(name, args...) { <error handling> }:
- * convenience macro for conditional guards that calls the statement that
- * follows only if the lock was not acquired (typically an error return).
- *
- * Only for conditional locks.
- *
* scoped_guard (name, args...) { }:
* similar to CLASS(name, scope)(args), except the variable (with the
* explicit name 'scope') is declard in a for-loop such that its scope is
@@ -350,14 +344,6 @@ _label: \
#define scoped_cond_guard(_name, _fail, args...) \
__scoped_cond_guard(_name, _fail, __UNIQUE_ID(label), args)
-#define __if_not_guard(_name, _id, args...) \
- BUILD_BUG_ON(!__is_cond_ptr(_name)); \
- CLASS(_name, _id)(args); \
- if (!__guard_ptr(_name)(&_id))
-
-#define if_not_guard(_name, args...) \
- __if_not_guard(_name, __UNIQUE_ID(guard), args)
-
/*
* Additional helper macros for generating lock guards with types, either for
* locks that don't have a native type (eg. RCU, preempt) or those that need a
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index ef1b16da6ad5..65b7c41471c3 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -49,6 +49,7 @@ struct module;
* @archdata: Optional arch-specific data
* @max_cycles: Maximum safe cycle value which won't overflow on
* multiplication
+ * @max_raw_delta: Maximum safe delta value for negative motion detection
* @name: Pointer to clocksource name
* @list: List head for registration (internal)
* @freq_khz: Clocksource frequency in khz.
@@ -109,6 +110,7 @@ struct clocksource {
struct arch_clocksource_data archdata;
#endif
u64 max_cycles;
+ u64 max_raw_delta;
const char *name;
struct list_head list;
u32 freq_khz;
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 469a64dd6495..240c632c5b95 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -216,28 +216,43 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
#endif /* __KERNEL__ */
+/**
+ * offset_to_ptr - convert a relative memory offset to an absolute pointer
+ * @off: the address of the 32-bit offset value
+ */
+static inline void *offset_to_ptr(const int *off)
+{
+ return (void *)((unsigned long)off + *off);
+}
+
+#endif /* __ASSEMBLY__ */
+
+#ifdef CONFIG_64BIT
+#define ARCH_SEL(a,b) a
+#else
+#define ARCH_SEL(a,b) b
+#endif
+
/*
* Force the compiler to emit 'sym' as a symbol, so that we can reference
* it from inline assembler. Necessary in case 'sym' could be inlined
* otherwise, or eliminated entirely due to lack of references that are
* visible to the compiler.
*/
-#define ___ADDRESSABLE(sym, __attrs) \
- static void * __used __attrs \
+#define ___ADDRESSABLE(sym, __attrs) \
+ static void * __used __attrs \
__UNIQUE_ID(__PASTE(__addressable_,sym)) = (void *)(uintptr_t)&sym;
+
#define __ADDRESSABLE(sym) \
___ADDRESSABLE(sym, __section(".discard.addressable"))
-/**
- * offset_to_ptr - convert a relative memory offset to an absolute pointer
- * @off: the address of the 32-bit offset value
- */
-static inline void *offset_to_ptr(const int *off)
-{
- return (void *)((unsigned long)off + *off);
-}
+#define __ADDRESSABLE_ASM(sym) \
+ .pushsection .discard.addressable,"aw"; \
+ .align ARCH_SEL(8,4); \
+ ARCH_SEL(.quad, .long) __stringify(sym); \
+ .popsection;
-#endif /* __ASSEMBLY__ */
+#define __ADDRESSABLE_ASM_STR(sym) __stringify(__ADDRESSABLE_ASM(sym))
#ifdef __CHECKER__
#define __BUILD_BUG_ON_ZERO_MSG(e, msg) (0)
diff --git a/include/linux/cred.h b/include/linux/cred.h
index e4a3155fe409..0c3c4b16b469 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -155,8 +155,6 @@ extern struct cred *prepare_creds(void);
extern struct cred *prepare_exec_creds(void);
extern int commit_creds(struct cred *);
extern void abort_creds(struct cred *);
-extern const struct cred *override_creds(const struct cred *);
-extern void revert_creds(const struct cred *);
extern struct cred *prepare_kernel_cred(struct task_struct *);
extern int set_security_override(struct cred *, u32);
extern int set_security_override_from_ctx(struct cred *, const char *);
@@ -172,12 +170,7 @@ static inline bool cap_ambient_invariant_ok(const struct cred *cred)
cred->cap_inheritable));
}
-/*
- * Override creds without bumping reference count. Caller must ensure
- * reference remains valid or has taken reference. Almost always not the
- * interface you want. Use override_creds()/revert_creds() instead.
- */
-static inline const struct cred *override_creds_light(const struct cred *override_cred)
+static inline const struct cred *override_creds(const struct cred *override_cred)
{
const struct cred *old = current->cred;
@@ -185,35 +178,12 @@ static inline const struct cred *override_creds_light(const struct cred *overrid
return old;
}
-static inline void revert_creds_light(const struct cred *revert_cred)
-{
- rcu_assign_pointer(current->cred, revert_cred);
-}
-
-/**
- * get_new_cred_many - Get references on a new set of credentials
- * @cred: The new credentials to reference
- * @nr: Number of references to acquire
- *
- * Get references on the specified set of new credentials. The caller must
- * release all acquired references.
- */
-static inline struct cred *get_new_cred_many(struct cred *cred, int nr)
+static inline const struct cred *revert_creds(const struct cred *revert_cred)
{
- atomic_long_add(nr, &cred->usage);
- return cred;
-}
+ const struct cred *override_cred = current->cred;
-/**
- * get_new_cred - Get a reference on a new set of credentials
- * @cred: The new credentials to reference
- *
- * Get a reference on the specified set of new credentials. The caller must
- * release the reference.
- */
-static inline struct cred *get_new_cred(struct cred *cred)
-{
- return get_new_cred_many(cred, 1);
+ rcu_assign_pointer(current->cred, revert_cred);
+ return override_cred;
}
/**
@@ -236,7 +206,8 @@ static inline const struct cred *get_cred_many(const struct cred *cred, int nr)
if (!cred)
return cred;
nonconst_cred->non_rcu = 0;
- return get_new_cred_many(nonconst_cred, nr);
+ atomic_long_add(nr, &nonconst_cred->usage);
+ return cred;
}
/*
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index b137fdb56093..346251bf1026 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -84,7 +84,7 @@ enum dma_transfer_direction {
DMA_TRANS_NONE,
};
-/**
+/*
* Interleaved Transfer Request
* ----------------------------
* A chunk is collection of contiguous bytes to be transferred.
@@ -223,7 +223,7 @@ enum sum_check_bits {
};
/**
- * enum pq_check_flags - result of async_{xor,pq}_zero_sum operations
+ * enum sum_check_flags - result of async_{xor,pq}_zero_sum operations
* @SUM_CHECK_P_RESULT - 1 if xor zero sum error, 0 otherwise
* @SUM_CHECK_Q_RESULT - 1 if reed-solomon zero sum error, 0 otherwise
*/
@@ -286,7 +286,7 @@ typedef struct { DECLARE_BITMAP(bits, DMA_TX_TYPE_END); } dma_cap_mask_t;
* pointer to the engine's metadata area
* 4. Read out the metadata from the pointer
*
- * Note: the two mode is not compatible and clients must use one mode for a
+ * Warning: the two modes are not compatible and clients must use one mode for a
* descriptor.
*/
enum dma_desc_metadata_mode {
@@ -594,9 +594,13 @@ struct dma_descriptor_metadata_ops {
* @phys: physical address of the descriptor
* @chan: target channel for this operation
* @tx_submit: accept the descriptor, assign ordered cookie and mark the
+ * @desc_free: driver's callback function to free a resusable descriptor
+ * after completion
* descriptor pending. To be pushed on .issue_pending() call
* @callback: routine to call after this operation is complete
+ * @callback_result: error result from a DMA transaction
* @callback_param: general parameter to pass to the callback routine
+ * @unmap: hook for generic DMA unmap data
* @desc_metadata_mode: core managed metadata mode to protect mixed use of
* DESC_METADATA_CLIENT or DESC_METADATA_ENGINE. Otherwise
* DESC_METADATA_NONE
@@ -827,6 +831,9 @@ struct dma_filter {
* @device_prep_dma_memset: prepares a memset operation
* @device_prep_dma_memset_sg: prepares a memset operation over a scatter list
* @device_prep_dma_interrupt: prepares an end of chain interrupt operation
+ * @device_prep_peripheral_dma_vec: prepares a scatter-gather DMA transfer,
+ * where the address and size of each segment is located in one entry of
+ * the dma_vec array.
* @device_prep_slave_sg: prepares a slave dma operation
* @device_prep_dma_cyclic: prepare a cyclic dma operation suitable for audio.
* The function takes a buffer of size buf_len. The callback function will
diff --git a/include/linux/dsa/ocelot.h b/include/linux/dsa/ocelot.h
index 6fbfbde68a37..620a3260fc08 100644
--- a/include/linux/dsa/ocelot.h
+++ b/include/linux/dsa/ocelot.h
@@ -15,6 +15,7 @@
struct ocelot_skb_cb {
struct sk_buff *clone;
unsigned int ptp_class; /* valid only for clones */
+ unsigned long ptp_tx_time; /* valid only for clones */
u32 tstamp_lo;
u8 ptp_cmd;
u8 ts_id;
diff --git a/include/linux/export.h b/include/linux/export.h
index 0bbd02fd351d..2633df4d31e6 100644
--- a/include/linux/export.h
+++ b/include/linux/export.h
@@ -60,14 +60,14 @@
#endif
#ifdef DEFAULT_SYMBOL_NAMESPACE
-#define _EXPORT_SYMBOL(sym, license) __EXPORT_SYMBOL(sym, license, __stringify(DEFAULT_SYMBOL_NAMESPACE))
+#define _EXPORT_SYMBOL(sym, license) __EXPORT_SYMBOL(sym, license, DEFAULT_SYMBOL_NAMESPACE)
#else
#define _EXPORT_SYMBOL(sym, license) __EXPORT_SYMBOL(sym, license, "")
#endif
#define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "")
#define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
-#define EXPORT_SYMBOL_NS(sym, ns) __EXPORT_SYMBOL(sym, "", __stringify(ns))
-#define EXPORT_SYMBOL_NS_GPL(sym, ns) __EXPORT_SYMBOL(sym, "GPL", __stringify(ns))
+#define EXPORT_SYMBOL_NS(sym, ns) __EXPORT_SYMBOL(sym, "", ns)
+#define EXPORT_SYMBOL_NS_GPL(sym, ns) __EXPORT_SYMBOL(sym, "GPL", ns)
#endif /* _LINUX_EXPORT_H */
diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index 4cc8801e50e3..a087606ace19 100644
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -3,6 +3,7 @@
#define LINUX_EXPORTFS_H 1
#include <linux/types.h>
+#include <linux/path.h>
struct dentry;
struct iattr;
@@ -156,6 +157,17 @@ struct fid {
};
};
+enum handle_to_path_flags {
+ HANDLE_CHECK_PERMS = (1 << 0),
+ HANDLE_CHECK_SUBTREE = (1 << 1),
+};
+
+struct handle_to_path_ctx {
+ struct path root;
+ enum handle_to_path_flags flags;
+ unsigned int fh_flags;
+};
+
#define EXPORT_FH_CONNECTABLE 0x1 /* Encode file handle with parent */
#define EXPORT_FH_FID 0x2 /* File handle may be non-decodeable */
#define EXPORT_FH_DIR_ONLY 0x4 /* Only decode file handle for a directory */
@@ -225,6 +237,12 @@ struct fid {
* is also a directory. In the event that it cannot be found, or storage
* space cannot be allocated, a %ERR_PTR should be returned.
*
+ * permission:
+ * Allow filesystems to specify a custom permission function.
+ *
+ * open:
+ * Allow filesystems to specify a custom open function.
+ *
* commit_metadata:
* @commit_metadata should commit metadata changes to stable storage.
*
@@ -251,6 +269,8 @@ struct export_operations {
bool write, u32 *device_generation);
int (*commit_blocks)(struct inode *inode, struct iomap *iomaps,
int nr_iomaps, struct iattr *iattr);
+ int (*permission)(struct handle_to_path_ctx *ctx, unsigned int oflags);
+ struct file * (*open)(struct path *path, unsigned int oflags);
#define EXPORT_OP_NOWCC (0x1) /* don't collect v3 wcc data */
#define EXPORT_OP_NOSUBTREECHK (0x2) /* no subtree checking */
#define EXPORT_OP_CLOSE_BEFORE_UNLINK (0x4) /* close files before unlink */
diff --git a/include/linux/fiemap.h b/include/linux/fiemap.h
index c50882f19235..966092ffa89a 100644
--- a/include/linux/fiemap.h
+++ b/include/linux/fiemap.h
@@ -5,12 +5,18 @@
#include <uapi/linux/fiemap.h>
#include <linux/fs.h>
+/**
+ * struct fiemap_extent_info - fiemap request to a filesystem
+ * @fi_flags: Flags as passed from user
+ * @fi_extents_mapped: Number of mapped extents
+ * @fi_extents_max: Size of fiemap_extent array
+ * @fi_extents_start: Start of fiemap_extent array
+ */
struct fiemap_extent_info {
- unsigned int fi_flags; /* Flags as passed from user */
- unsigned int fi_extents_mapped; /* Number of mapped extents */
- unsigned int fi_extents_max; /* Size of fiemap_extent array */
- struct fiemap_extent __user *fi_extents_start; /* Start of
- fiemap_extent array */
+ unsigned int fi_flags;
+ unsigned int fi_extents_mapped;
+ unsigned int fi_extents_max;
+ struct fiemap_extent __user *fi_extents_start;
};
int fiemap_prep(struct inode *inode, struct fiemap_extent_info *fieinfo,
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 3a21947f2fd4..0477254bc2d3 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -1122,7 +1122,7 @@ bool bpf_jit_supports_insn(struct bpf_insn *insn, bool in_arena);
bool bpf_jit_supports_private_stack(void);
u64 bpf_arch_uaddress_limit(void);
void arch_bpf_stack_walk(bool (*consume_fn)(void *cookie, u64 ip, u64 sp, u64 bp), void *cookie);
-bool bpf_helper_changes_pkt_data(void *func);
+bool bpf_helper_changes_pkt_data(enum bpf_func_id func_id);
static inline bool bpf_dump_raw_ok(const struct cred *cred)
{
diff --git a/include/linux/folio_queue.h b/include/linux/folio_queue.h
index 3abe614ef5f0..4d3f8074c137 100644
--- a/include/linux/folio_queue.h
+++ b/include/linux/folio_queue.h
@@ -37,16 +37,20 @@ struct folio_queue {
#if PAGEVEC_SIZE > BITS_PER_LONG
#error marks is not big enough
#endif
+ unsigned int rreq_id;
+ unsigned int debug_id;
};
/**
* folioq_init - Initialise a folio queue segment
* @folioq: The segment to initialise
+ * @rreq_id: The request identifier to use in tracelines.
*
- * Initialise a folio queue segment. Note that the folio pointers are
- * left uninitialised.
+ * Initialise a folio queue segment and set an identifier to be used in traces.
+ *
+ * Note that the folio pointers are left uninitialised.
*/
-static inline void folioq_init(struct folio_queue *folioq)
+static inline void folioq_init(struct folio_queue *folioq, unsigned int rreq_id)
{
folio_batch_init(&folioq->vec);
folioq->next = NULL;
@@ -54,6 +58,8 @@ static inline void folioq_init(struct folio_queue *folioq)
folioq->marks = 0;
folioq->marks2 = 0;
folioq->marks3 = 0;
+ folioq->rreq_id = rreq_id;
+ folioq->debug_id = 0;
}
/**
diff --git a/include/linux/fortify-string.h b/include/linux/fortify-string.h
index 0d99bf11d260..e4ce1cae03bf 100644
--- a/include/linux/fortify-string.h
+++ b/include/linux/fortify-string.h
@@ -616,6 +616,12 @@ __FORTIFY_INLINE bool fortify_memcpy_chk(__kernel_size_t size,
return false;
}
+/*
+ * To work around what seems to be an optimizer bug, the macro arguments
+ * need to have const copies or the values end up changed by the time they
+ * reach fortify_warn_once(). See commit 6f7630b1b5bc ("fortify: Capture
+ * __bos() results in const temp vars") for more details.
+ */
#define __fortify_memcpy_chk(p, q, size, p_size, q_size, \
p_size_field, q_size_field, op) ({ \
const size_t __fortify_size = (size_t)(size); \
@@ -623,6 +629,8 @@ __FORTIFY_INLINE bool fortify_memcpy_chk(__kernel_size_t size,
const size_t __q_size = (q_size); \
const size_t __p_size_field = (p_size_field); \
const size_t __q_size_field = (q_size_field); \
+ /* Keep a mutable version of the size for the final copy. */ \
+ size_t __copy_size = __fortify_size; \
fortify_warn_once(fortify_memcpy_chk(__fortify_size, __p_size, \
__q_size, __p_size_field, \
__q_size_field, FORTIFY_FUNC_ ##op), \
@@ -630,7 +638,11 @@ __FORTIFY_INLINE bool fortify_memcpy_chk(__kernel_size_t size,
__fortify_size, \
"field \"" #p "\" at " FILE_LINE, \
__p_size_field); \
- __underlying_##op(p, q, __fortify_size); \
+ /* Hide only the run-time size from value range tracking to */ \
+ /* silence compile-time false positive bounds warnings. */ \
+ if (!__builtin_constant_p(__copy_size)) \
+ OPTIMIZER_HIDE_VAR(__copy_size); \
+ __underlying_##op(p, q, __copy_size); \
})
/*
diff --git a/include/linux/fs.h b/include/linux/fs.h
index f7efc6866ebc..2b8447f53200 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -322,6 +322,7 @@ struct readahead_control;
#define IOCB_NOWAIT (__force int) RWF_NOWAIT
#define IOCB_APPEND (__force int) RWF_APPEND
#define IOCB_ATOMIC (__force int) RWF_ATOMIC
+#define IOCB_DONTCACHE (__force int) RWF_DONTCACHE
/* non-RWF related bits - start at 16 */
#define IOCB_EVENTFD (1 << 16)
@@ -356,7 +357,8 @@ struct readahead_control;
{ IOCB_SYNC, "SYNC" }, \
{ IOCB_NOWAIT, "NOWAIT" }, \
{ IOCB_APPEND, "APPEND" }, \
- { IOCB_ATOMIC, "ATOMIC"}, \
+ { IOCB_ATOMIC, "ATOMIC" }, \
+ { IOCB_DONTCACHE, "DONTCACHE" }, \
{ IOCB_EVENTFD, "EVENTFD"}, \
{ IOCB_DIRECT, "DIRECT" }, \
{ IOCB_WRITE, "WRITE" }, \
@@ -626,6 +628,7 @@ is_uncached_acl(struct posix_acl *acl)
#define IOP_XATTR 0x0008
#define IOP_DEFAULT_READLINK 0x0010
#define IOP_MGTIME 0x0020
+#define IOP_CACHED_LINK 0x0040
/*
* Keep mostly read-only and often accessed (especially for
@@ -723,7 +726,10 @@ struct inode {
};
struct file_lock_context *i_flctx;
struct address_space i_data;
- struct list_head i_devices;
+ union {
+ struct list_head i_devices;
+ int i_linklen;
+ };
union {
struct pipe_inode_info *i_pipe;
struct cdev *i_cdev;
@@ -749,6 +755,13 @@ struct inode {
void *i_private; /* fs or device private pointer */
} __randomize_layout;
+static inline void inode_set_cached_link(struct inode *inode, char *link, int linklen)
+{
+ inode->i_link = link;
+ inode->i_linklen = linklen;
+ inode->i_opflags |= IOP_CACHED_LINK;
+}
+
/*
* Get bit address from inode->i_state to use with wait_var_event()
* infrastructre.
@@ -2127,6 +2140,8 @@ struct file_operations {
#define FOP_UNSIGNED_OFFSET ((__force fop_flags_t)(1 << 5))
/* Supports asynchronous lock callbacks */
#define FOP_ASYNC_LOCK ((__force fop_flags_t)(1 << 6))
+/* File system supports uncached read/write buffered IO */
+#define FOP_DONTCACHE ((__force fop_flags_t)(1 << 7))
/* Wrap a directory iterator that needs exclusive inode access */
int wrap_directory_iterator(struct file *, struct dir_context *,
@@ -3351,7 +3366,7 @@ extern const struct file_operations generic_ro_fops;
#define special_file(m) (S_ISCHR(m)||S_ISBLK(m)||S_ISFIFO(m)||S_ISSOCK(m))
-extern int readlink_copy(char __user *, int, const char *);
+extern int readlink_copy(char __user *, int, const char *, int);
extern int page_readlink(struct dentry *, char __user *, int);
extern const char *page_get_link(struct dentry *, struct inode *,
struct delayed_call *);
@@ -3613,6 +3628,14 @@ static inline int kiocb_set_rw_flags(struct kiocb *ki, rwf_t flags,
if (!(ki->ki_filp->f_mode & FMODE_CAN_ATOMIC_WRITE))
return -EOPNOTSUPP;
}
+ if (flags & RWF_DONTCACHE) {
+ /* file system must support it */
+ if (!(ki->ki_filp->f_op->fop_flags & FOP_DONTCACHE))
+ return -EOPNOTSUPP;
+ /* DAX mappings not supported */
+ if (IS_DAX(ki->ki_filp->f_mapping->host))
+ return -EOPNOTSUPP;
+ }
kiocb_flags |= (__force int) (flags & RWF_SUPPORTED);
if (flags & RWF_SYNC)
kiocb_flags |= IOCB_DSYNC;
diff --git a/include/linux/fw_table.h b/include/linux/fw_table.h
index 3ff4c277296f..9bd605b87c4c 100644
--- a/include/linux/fw_table.h
+++ b/include/linux/fw_table.h
@@ -54,7 +54,7 @@ int cdat_table_parse(enum acpi_cdat_type type,
#define EXPORT_SYMBOL_FWTBL_LIB(x) EXPORT_SYMBOL_ACPI_LIB(x)
#define __init_or_fwtbl_lib __init_or_acpilib
#else
-#define EXPORT_SYMBOL_FWTBL_LIB(x) EXPORT_SYMBOL_NS_GPL(x, CXL)
+#define EXPORT_SYMBOL_FWTBL_LIB(x) EXPORT_SYMBOL_NS_GPL(x, "CXL")
#define __init_or_fwtbl_lib
#endif
diff --git a/include/linux/hid_bpf.h b/include/linux/hid_bpf.h
index a6876ab29004..a2e47dbcf82c 100644
--- a/include/linux/hid_bpf.h
+++ b/include/linux/hid_bpf.h
@@ -78,7 +78,7 @@ struct hid_ops {
const struct bus_type *bus_type;
};
-extern struct hid_ops *hid_ops;
+extern const struct hid_ops *hid_ops;
/**
* struct hid_bpf_ops - A BPF struct_ops of callbacks allowing to attach HID-BPF
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 6e452bd8e7e3..5c6bea81a90e 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -224,7 +224,13 @@ static inline
struct folio *vma_alloc_zeroed_movable_folio(struct vm_area_struct *vma,
unsigned long vaddr)
{
- return vma_alloc_folio(GFP_HIGHUSER_MOVABLE | __GFP_ZERO, 0, vma, vaddr);
+ struct folio *folio;
+
+ folio = vma_alloc_folio(GFP_HIGHUSER_MOVABLE, 0, vma, vaddr);
+ if (folio && user_alloc_needs_zeroing())
+ clear_user_highpage(&folio->page, vaddr);
+
+ return folio;
}
#endif
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 7ef5f7ef31a9..f7bfdcf0dda3 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -386,6 +386,7 @@ extern void __init hrtimers_init(void);
extern void sysrq_timer_list_show(void);
int hrtimers_prepare_cpu(unsigned int cpu);
+int hrtimers_cpu_starting(unsigned int cpu);
#ifdef CONFIG_HOTPLUG_CPU
int hrtimers_cpu_dying(unsigned int cpu);
#else
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 22c22fb91042..02a226bcf0ed 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1559,6 +1559,7 @@ struct hv_util_service {
void *channel;
void (*util_cb)(void *);
int (*util_init)(struct hv_util_service *);
+ int (*util_init_transport)(void);
void (*util_deinit)(void);
int (*util_pre_suspend)(void);
int (*util_pre_resume)(void);
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index c1645c86eed9..d65b5d71b93b 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -585,13 +585,16 @@ static inline int vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci)
* vlan_get_protocol - get protocol EtherType.
* @skb: skbuff to query
* @type: first vlan protocol
+ * @mac_offset: MAC offset
* @depth: buffer to store length of eth and vlan tags in bytes
*
* Returns the EtherType of the packet, regardless of whether it is
* vlan encapsulated (normal or hardware accelerated) or not.
*/
-static inline __be16 __vlan_get_protocol(const struct sk_buff *skb, __be16 type,
- int *depth)
+static inline __be16 __vlan_get_protocol_offset(const struct sk_buff *skb,
+ __be16 type,
+ int mac_offset,
+ int *depth)
{
unsigned int vlan_depth = skb->mac_len, parse_depth = VLAN_MAX_DEPTH;
@@ -610,7 +613,8 @@ static inline __be16 __vlan_get_protocol(const struct sk_buff *skb, __be16 type,
do {
struct vlan_hdr vhdr, *vh;
- vh = skb_header_pointer(skb, vlan_depth, sizeof(vhdr), &vhdr);
+ vh = skb_header_pointer(skb, mac_offset + vlan_depth,
+ sizeof(vhdr), &vhdr);
if (unlikely(!vh || !--parse_depth))
return 0;
@@ -625,6 +629,12 @@ static inline __be16 __vlan_get_protocol(const struct sk_buff *skb, __be16 type,
return type;
}
+static inline __be16 __vlan_get_protocol(const struct sk_buff *skb, __be16 type,
+ int *depth)
+{
+ return __vlan_get_protocol_offset(skb, type, 0, depth);
+}
+
/**
* vlan_get_protocol - get protocol EtherType.
* @skb: skbuff to query
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h
index e123d5e17b52..85fe4e6b275c 100644
--- a/include/linux/io_uring.h
+++ b/include/linux/io_uring.h
@@ -15,10 +15,8 @@ bool io_is_uring_fops(struct file *file);
static inline void io_uring_files_cancel(void)
{
- if (current->io_uring) {
- io_uring_unreg_ringfd();
+ if (current->io_uring)
__io_uring_cancel(false);
- }
}
static inline void io_uring_task_cancel(void)
{
diff --git a/include/linux/io_uring/cmd.h b/include/linux/io_uring/cmd.h
index 578a3fdf5c71..a3ce553413de 100644
--- a/include/linux/io_uring/cmd.h
+++ b/include/linux/io_uring/cmd.h
@@ -18,6 +18,11 @@ struct io_uring_cmd {
u8 pdu[32]; /* available inline for free use */
};
+struct io_uring_cmd_data {
+ struct io_uring_sqe sqes[2];
+ void *op_data;
+};
+
static inline const void *io_uring_sqe_cmd(const struct io_uring_sqe *sqe)
{
return sqe->cmd;
@@ -43,7 +48,7 @@ int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw,
* Note: the caller should never hard code @issue_flags and is only allowed
* to pass the mask provided by the core io_uring code.
*/
-void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, ssize_t res2,
+void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, u64 res2,
unsigned issue_flags);
void __io_uring_cmd_do_in_task(struct io_uring_cmd *ioucmd,
@@ -67,7 +72,7 @@ static inline int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw,
return -EOPNOTSUPP;
}
static inline void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret,
- ssize_t ret2, unsigned issue_flags)
+ u64 ret2, unsigned issue_flags)
{
}
static inline void __io_uring_cmd_do_in_task(struct io_uring_cmd *ioucmd,
@@ -113,4 +118,9 @@ static inline struct task_struct *io_uring_cmd_get_task(struct io_uring_cmd *cmd
return cmd_to_io_kiocb(cmd)->tctx->task;
}
+static inline struct io_uring_cmd_data *io_uring_cmd_get_async_data(struct io_uring_cmd *cmd)
+{
+ return cmd_to_io_kiocb(cmd)->async_data;
+}
+
#endif /* _LINUX_IO_URING_CMD_H */
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h
index 011860ade268..fd4cdb0860a2 100644
--- a/include/linux/io_uring_types.h
+++ b/include/linux/io_uring_types.h
@@ -345,7 +345,7 @@ struct io_ring_ctx {
/* timeouts */
struct {
- spinlock_t timeout_lock;
+ raw_spinlock_t timeout_lock;
struct list_head timeout_list;
struct list_head ltimeout_list;
unsigned cq_last_tm_flush;
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 5675af6b740c..75bf54e76f3b 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -335,7 +335,7 @@ struct iomap_ioend {
u16 io_type;
u16 io_flags; /* IOMAP_F_* */
struct inode *io_inode; /* file being written to */
- size_t io_size; /* size of the extent */
+ size_t io_size; /* size of data within eof */
loff_t io_offset; /* offset in the file */
sector_t io_sector; /* start sector of ioend */
struct bio io_bio; /* MUST BE LAST! */
diff --git a/include/linux/lockref.h b/include/linux/lockref.h
index c3a1f78bc884..c39f119659ba 100644
--- a/include/linux/lockref.h
+++ b/include/linux/lockref.h
@@ -34,14 +34,24 @@ struct lockref {
};
};
-extern void lockref_get(struct lockref *);
-extern int lockref_put_return(struct lockref *);
-extern int lockref_get_not_zero(struct lockref *);
-extern int lockref_put_not_zero(struct lockref *);
-extern int lockref_put_or_lock(struct lockref *);
-
-extern void lockref_mark_dead(struct lockref *);
-extern int lockref_get_not_dead(struct lockref *);
+/**
+ * lockref_init - Initialize a lockref
+ * @lockref: pointer to lockref structure
+ * @count: initial count
+ */
+static inline void lockref_init(struct lockref *lockref, unsigned int count)
+{
+ spin_lock_init(&lockref->lock);
+ lockref->count = count;
+}
+
+void lockref_get(struct lockref *lockref);
+int lockref_put_return(struct lockref *lockref);
+bool lockref_get_not_zero(struct lockref *lockref);
+bool lockref_put_or_lock(struct lockref *lockref);
+
+void lockref_mark_dead(struct lockref *lockref);
+bool lockref_get_not_dead(struct lockref *lockref);
/* Must be called under spinlock for reliable results */
static inline bool __lockref_is_dead(const struct lockref *l)
diff --git a/include/linux/memfd.h b/include/linux/memfd.h
index 3f2cf339ceaf..d437e3070850 100644
--- a/include/linux/memfd.h
+++ b/include/linux/memfd.h
@@ -7,6 +7,7 @@
#ifdef CONFIG_MEMFD_CREATE
extern long memfd_fcntl(struct file *file, unsigned int cmd, unsigned int arg);
struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx);
+unsigned int *memfd_file_seals_ptr(struct file *file);
#else
static inline long memfd_fcntl(struct file *f, unsigned int c, unsigned int a)
{
@@ -16,6 +17,19 @@ static inline struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx)
{
return ERR_PTR(-EINVAL);
}
+
+static inline unsigned int *memfd_file_seals_ptr(struct file *file)
+{
+ return NULL;
+}
#endif
+/* Retrieve memfd seals associated with the file, if any. */
+static inline unsigned int memfd_file_seals(struct file *file)
+{
+ unsigned int *sealsp = memfd_file_seals_ptr(file);
+
+ return sealsp ? *sealsp : 0;
+}
+
#endif /* __LINUX_MEMFD_H */
diff --git a/include/linux/mfd/da9063/core.h b/include/linux/mfd/da9063/core.h
index 8db52324f416..eae82f421414 100644
--- a/include/linux/mfd/da9063/core.h
+++ b/include/linux/mfd/da9063/core.h
@@ -78,6 +78,7 @@ struct da9063 {
enum da9063_type type;
unsigned char variant_code;
unsigned int flags;
+ bool use_sw_pm;
/* Control interface */
struct regmap *regmap;
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index fc7e6153b73d..ea48eb879a0f 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -524,6 +524,7 @@ enum {
* creation/deletion on drivers rescan. Unset during device attach.
*/
MLX5_PRIV_FLAGS_DETACH = 1 << 2,
+ MLX5_PRIV_FLAGS_SWITCH_LEGACY = 1 << 3,
};
struct mlx5_adev {
@@ -1202,6 +1203,12 @@ static inline bool mlx5_core_is_vf(const struct mlx5_core_dev *dev)
return dev->coredev_type == MLX5_COREDEV_VF;
}
+static inline bool mlx5_core_same_coredev_type(const struct mlx5_core_dev *dev1,
+ const struct mlx5_core_dev *dev2)
+{
+ return dev1->coredev_type == dev2->coredev_type;
+}
+
static inline bool mlx5_core_is_ecpf(const struct mlx5_core_dev *dev)
{
return dev->caps.embedded_cpu;
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 4fbbcf35498b..48d47181c7cd 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -2119,7 +2119,9 @@ struct mlx5_ifc_cmd_hca_cap_2_bits {
u8 migration_in_chunks[0x1];
u8 reserved_at_d1[0x1];
u8 sf_eq_usage[0x1];
- u8 reserved_at_d3[0xd];
+ u8 reserved_at_d3[0x5];
+ u8 multiplane[0x1];
+ u8 reserved_at_d9[0x7];
u8 cross_vhca_object_to_object_supported[0x20];
diff --git a/include/linux/mm.h b/include/linux/mm.h
index c39c4945946c..b1c3db9cf355 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -31,6 +31,7 @@
#include <linux/kasan.h>
#include <linux/memremap.h>
#include <linux/slab.h>
+#include <linux/cacheinfo.h>
struct mempolicy;
struct anon_vma;
@@ -3010,7 +3011,15 @@ static inline void pagetable_pte_dtor(struct ptdesc *ptdesc)
lruvec_stat_sub_folio(folio, NR_PAGETABLE);
}
-pte_t *__pte_offset_map(pmd_t *pmd, unsigned long addr, pmd_t *pmdvalp);
+pte_t *___pte_offset_map(pmd_t *pmd, unsigned long addr, pmd_t *pmdvalp);
+static inline pte_t *__pte_offset_map(pmd_t *pmd, unsigned long addr,
+ pmd_t *pmdvalp)
+{
+ pte_t *pte;
+
+ __cond_lock(RCU, pte = ___pte_offset_map(pmd, addr, pmdvalp));
+ return pte;
+}
static inline pte_t *pte_offset_map(pmd_t *pmd, unsigned long addr)
{
return __pte_offset_map(pmd, addr, NULL);
@@ -3023,7 +3032,8 @@ static inline pte_t *pte_offset_map_lock(struct mm_struct *mm, pmd_t *pmd,
{
pte_t *pte;
- __cond_lock(*ptlp, pte = __pte_offset_map_lock(mm, pmd, addr, ptlp));
+ __cond_lock(RCU, __cond_lock(*ptlp,
+ pte = __pte_offset_map_lock(mm, pmd, addr, ptlp)));
return pte;
}
@@ -3115,6 +3125,7 @@ static inline bool pagetable_pmd_ctor(struct ptdesc *ptdesc)
if (!pmd_ptlock_init(ptdesc))
return false;
__folio_set_pgtable(folio);
+ ptdesc_pmd_pts_init(ptdesc);
lruvec_stat_add_folio(folio, NR_PAGETABLE);
return true;
}
@@ -4091,6 +4102,37 @@ void mem_dump_obj(void *object);
static inline void mem_dump_obj(void *object) {}
#endif
+static inline bool is_write_sealed(int seals)
+{
+ return seals & (F_SEAL_WRITE | F_SEAL_FUTURE_WRITE);
+}
+
+/**
+ * is_readonly_sealed - Checks whether write-sealed but mapped read-only,
+ * in which case writes should be disallowing moving
+ * forwards.
+ * @seals: the seals to check
+ * @vm_flags: the VMA flags to check
+ *
+ * Returns whether readonly sealed, in which case writess should be disallowed
+ * going forward.
+ */
+static inline bool is_readonly_sealed(int seals, vm_flags_t vm_flags)
+{
+ /*
+ * Since an F_SEAL_[FUTURE_]WRITE sealed memfd can be mapped as
+ * MAP_SHARED and read-only, take care to not allow mprotect to
+ * revert protections on such mappings. Do this only for shared
+ * mappings. For private mappings, don't need to mask
+ * VM_MAYWRITE as we still want them to be COW-writable.
+ */
+ if (is_write_sealed(seals) &&
+ ((vm_flags & (VM_SHARED | VM_WRITE)) == VM_SHARED))
+ return true;
+
+ return false;
+}
+
/**
* seal_check_write - Check for F_SEAL_WRITE or F_SEAL_FUTURE_WRITE flags and
* handle them.
@@ -4102,24 +4144,15 @@ static inline void mem_dump_obj(void *object) {}
*/
static inline int seal_check_write(int seals, struct vm_area_struct *vma)
{
- if (seals & (F_SEAL_WRITE | F_SEAL_FUTURE_WRITE)) {
- /*
- * New PROT_WRITE and MAP_SHARED mmaps are not allowed when
- * write seals are active.
- */
- if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_WRITE))
- return -EPERM;
-
- /*
- * Since an F_SEAL_[FUTURE_]WRITE sealed memfd can be mapped as
- * MAP_SHARED and read-only, take care to not allow mprotect to
- * revert protections on such mappings. Do this only for shared
- * mappings. For private mappings, don't need to mask
- * VM_MAYWRITE as we still want them to be COW-writable.
- */
- if (vma->vm_flags & VM_SHARED)
- vm_flags_clear(vma, VM_MAYWRITE);
- }
+ if (!is_write_sealed(seals))
+ return 0;
+
+ /*
+ * New PROT_WRITE and MAP_SHARED mmaps are not allowed when
+ * write seals are active.
+ */
+ if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_WRITE))
+ return -EPERM;
return 0;
}
@@ -4175,6 +4208,23 @@ static inline int do_mseal(unsigned long start, size_t len_in, unsigned long fla
}
#endif
+/*
+ * user_alloc_needs_zeroing checks if a user folio from page allocator needs to
+ * be zeroed or not.
+ */
+static inline bool user_alloc_needs_zeroing(void)
+{
+ /*
+ * for user folios, arch with cache aliasing requires cache flush and
+ * arc changes folio->flags to make icache coherent with dcache, so
+ * always return false to make caller use
+ * clear_user_page()/clear_user_highpage().
+ */
+ return cpu_dcache_is_aliasing() || cpu_icache_is_aliasing() ||
+ !static_branch_maybe(CONFIG_INIT_ON_ALLOC_DEFAULT_ON,
+ &init_on_alloc);
+}
+
int arch_get_shadow_stack_status(struct task_struct *t, unsigned long __user *status);
int arch_set_shadow_stack_status(struct task_struct *t, unsigned long status);
int arch_lock_shadow_stack_status(struct task_struct *t, unsigned long status);
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 7361a8f3ab68..332cee285662 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -445,6 +445,7 @@ FOLIO_MATCH(compound_head, _head_2a);
* @pt_index: Used for s390 gmap.
* @pt_mm: Used for x86 pgds.
* @pt_frag_refcount: For fragmented page table tracking. Powerpc only.
+ * @pt_share_count: Used for HugeTLB PMD page table share count.
* @_pt_pad_2: Padding to ensure proper alignment.
* @ptl: Lock for the page table.
* @__page_type: Same as page->page_type. Unused for page tables.
@@ -471,6 +472,9 @@ struct ptdesc {
pgoff_t pt_index;
struct mm_struct *pt_mm;
atomic_t pt_frag_refcount;
+#ifdef CONFIG_HUGETLB_PMD_PAGE_TABLE_SHARING
+ atomic_t pt_share_count;
+#endif
};
union {
@@ -516,6 +520,32 @@ static_assert(sizeof(struct ptdesc) <= sizeof(struct page));
const struct page *: (const struct ptdesc *)(p), \
struct page *: (struct ptdesc *)(p)))
+#ifdef CONFIG_HUGETLB_PMD_PAGE_TABLE_SHARING
+static inline void ptdesc_pmd_pts_init(struct ptdesc *ptdesc)
+{
+ atomic_set(&ptdesc->pt_share_count, 0);
+}
+
+static inline void ptdesc_pmd_pts_inc(struct ptdesc *ptdesc)
+{
+ atomic_inc(&ptdesc->pt_share_count);
+}
+
+static inline void ptdesc_pmd_pts_dec(struct ptdesc *ptdesc)
+{
+ atomic_dec(&ptdesc->pt_share_count);
+}
+
+static inline int ptdesc_pmd_pts_count(struct ptdesc *ptdesc)
+{
+ return atomic_read(&ptdesc->pt_share_count);
+}
+#else
+static inline void ptdesc_pmd_pts_init(struct ptdesc *ptdesc)
+{
+}
+#endif
+
/*
* Used for sizing the vmemmap region on some architectures
*/
diff --git a/include/linux/module.h b/include/linux/module.h
index c60ee39cb9b1..b3a643435357 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -296,7 +296,7 @@ extern typeof(name) __mod_device_table__##type##__##name \
* files require multiple MODULE_FIRMWARE() specifiers */
#define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware)
-#define MODULE_IMPORT_NS(ns) MODULE_INFO(import_ns, __stringify(ns))
+#define MODULE_IMPORT_NS(ns) MODULE_INFO(import_ns, ns)
struct notifier_block;
@@ -773,7 +773,8 @@ void *__module_writable_address(struct module *mod, void *loc);
static inline void *module_writable_address(struct module *mod, void *loc)
{
- if (!IS_ENABLED(CONFIG_ARCH_HAS_EXECMEM_ROX) || !mod)
+ if (!IS_ENABLED(CONFIG_ARCH_HAS_EXECMEM_ROX) || !mod ||
+ mod->state != MODULE_STATE_UNFORMED)
return loc;
return __module_writable_address(mod, loc);
}
diff --git a/include/linux/mount.h b/include/linux/mount.h
index c34c18b4e8f3..dcc17ce8a959 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -50,7 +50,7 @@ struct path;
#define MNT_ATIME_MASK (MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME )
#define MNT_INTERNAL_FLAGS (MNT_SHARED | MNT_WRITE_HOLD | MNT_INTERNAL | \
- MNT_DOOMED | MNT_SYNC_UMOUNT | MNT_MARKED | MNT_ONRB)
+ MNT_DOOMED | MNT_SYNC_UMOUNT | MNT_MARKED)
#define MNT_INTERNAL 0x4000
@@ -64,7 +64,6 @@ struct path;
#define MNT_SYNC_UMOUNT 0x2000000
#define MNT_MARKED 0x4000000
#define MNT_UMOUNT 0x8000000
-#define MNT_ONRB 0x10000000
struct vfsmount {
struct dentry *mnt_root; /* root of the mounted tree */
@@ -76,7 +75,7 @@ struct vfsmount {
static inline struct mnt_idmap *mnt_idmap(const struct vfsmount *mnt)
{
/* Pairs with smp_store_release() in do_idmap_mount(). */
- return smp_load_acquire(&mnt->mnt_idmap);
+ return READ_ONCE(mnt->mnt_idmap);
}
extern int mnt_want_write(struct vfsmount *mnt);
@@ -114,7 +113,7 @@ extern struct vfsmount *kern_mount(struct file_system_type *);
extern void kern_unmount(struct vfsmount *mnt);
extern int may_umount_tree(struct vfsmount *);
extern int may_umount(struct vfsmount *);
-extern long do_mount(const char *, const char __user *,
+int do_mount(const char *, const char __user *,
const char *, unsigned long, void *);
extern struct vfsmount *collect_mounts(const struct path *);
extern void drop_collected_mounts(struct vfsmount *);
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index 66e7d26b70a4..11be70a7929f 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -253,4 +253,11 @@ static inline int find_next_netdev_feature(u64 feature, unsigned long start)
NETIF_F_GSO_UDP_TUNNEL | \
NETIF_F_GSO_UDP_TUNNEL_CSUM)
+static inline netdev_features_t netdev_base_features(netdev_features_t features)
+{
+ features &= ~NETIF_F_ONE_FOR_ALL;
+ features |= NETIF_F_ALL_FOR_ALL;
+ return features;
+}
+
#endif /* _LINUX_NETDEV_FEATURES_H */
diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index 5eaceef41e6c..071d05d81d38 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -18,9 +18,11 @@
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/uio.h>
+#include <linux/rolling_buffer.h>
enum netfs_sreq_ref_trace;
typedef struct mempool_s mempool_t;
+struct folio_queue;
/**
* folio_start_private_2 - Start an fscache write on a folio. [DEPRECATED]
@@ -71,6 +73,7 @@ struct netfs_inode {
#define NETFS_ICTX_UNBUFFERED 1 /* I/O should not use the pagecache */
#define NETFS_ICTX_WRITETHROUGH 2 /* Write-through caching */
#define NETFS_ICTX_MODIFIED_ATTR 3 /* Indicate change in mtime/ctime */
+#define NETFS_ICTX_SINGLE_NO_UPLOAD 4 /* Monolithic payload, cache but no upload */
};
/*
@@ -178,39 +181,35 @@ struct netfs_io_subrequest {
unsigned long long start; /* Where to start the I/O */
size_t len; /* Size of the I/O */
size_t transferred; /* Amount of data transferred */
- size_t consumed; /* Amount of read data consumed */
- size_t prev_donated; /* Amount of data donated from previous subreq */
- size_t next_donated; /* Amount of data donated from next subreq */
refcount_t ref;
short error; /* 0 or error that occurred */
unsigned short debug_index; /* Index in list (for debugging output) */
unsigned int nr_segs; /* Number of segs in io_iter */
+ u8 retry_count; /* The number of retries (0 on initial pass) */
enum netfs_io_source source; /* Where to read from/write to */
unsigned char stream_nr; /* I/O stream this belongs to */
- unsigned char curr_folioq_slot; /* Folio currently being read */
- unsigned char curr_folio_order; /* Order of folio */
- struct folio_queue *curr_folioq; /* Queue segment in which current folio resides */
unsigned long flags;
#define NETFS_SREQ_COPY_TO_CACHE 0 /* Set if should copy the data to the cache */
#define NETFS_SREQ_CLEAR_TAIL 1 /* Set if the rest of the read should be cleared */
#define NETFS_SREQ_SEEK_DATA_READ 3 /* Set if ->read() should SEEK_DATA first */
-#define NETFS_SREQ_NO_PROGRESS 4 /* Set if we didn't manage to read any data */
+#define NETFS_SREQ_MADE_PROGRESS 4 /* Set if we transferred at least some data */
#define NETFS_SREQ_ONDEMAND 5 /* Set if it's from on-demand read mode */
#define NETFS_SREQ_BOUNDARY 6 /* Set if ends on hard boundary (eg. ceph object) */
#define NETFS_SREQ_HIT_EOF 7 /* Set if short due to EOF */
#define NETFS_SREQ_IN_PROGRESS 8 /* Unlocked when the subrequest completes */
#define NETFS_SREQ_NEED_RETRY 9 /* Set if the filesystem requests a retry */
-#define NETFS_SREQ_RETRYING 10 /* Set if we're retrying */
-#define NETFS_SREQ_FAILED 11 /* Set if the subreq failed unretryably */
+#define NETFS_SREQ_FAILED 10 /* Set if the subreq failed unretryably */
};
enum netfs_io_origin {
NETFS_READAHEAD, /* This read was triggered by readahead */
NETFS_READPAGE, /* This read is a synchronous read */
NETFS_READ_GAPS, /* This read is a synchronous read to fill gaps */
+ NETFS_READ_SINGLE, /* This read should be treated as a single object */
NETFS_READ_FOR_WRITE, /* This read is to prepare a write */
NETFS_DIO_READ, /* This is a direct I/O read */
NETFS_WRITEBACK, /* This write was triggered by writepages */
+ NETFS_WRITEBACK_SINGLE, /* This monolithic write was triggered by writepages */
NETFS_WRITETHROUGH, /* This write was made by netfs_perform_write() */
NETFS_UNBUFFERED_WRITE, /* This is an unbuffered write */
NETFS_DIO_WRITE, /* This is a direct I/O write */
@@ -231,16 +230,16 @@ struct netfs_io_request {
struct address_space *mapping; /* The mapping being accessed */
struct kiocb *iocb; /* AIO completion vector */
struct netfs_cache_resources cache_resources;
+ struct netfs_io_request *copy_to_cache; /* Request to write just-read data to the cache */
struct readahead_control *ractl; /* Readahead descriptor */
struct list_head proc_link; /* Link in netfs_iorequests */
- struct list_head subrequests; /* Contributory I/O operations */
struct netfs_io_stream io_streams[2]; /* Streams of parallel I/O operations */
#define NR_IO_STREAMS 2 //wreq->nr_io_streams
struct netfs_group *group; /* Writeback group being written back */
- struct folio_queue *buffer; /* Head of I/O buffer */
- struct folio_queue *buffer_tail; /* Tail of I/O buffer */
- struct iov_iter iter; /* Unencrypted-side iterator */
- struct iov_iter io_iter; /* I/O (Encrypted-side) iterator */
+ struct rolling_buffer buffer; /* Unencrypted buffer */
+#define NETFS_ROLLBUF_PUT_MARK ROLLBUF_MARK_1
+#define NETFS_ROLLBUF_PAGECACHE_MARK ROLLBUF_MARK_2
+ wait_queue_head_t waitq; /* Processor waiter */
void *netfs_priv; /* Private data for the netfs */
void *netfs_priv2; /* Private data for the netfs */
struct bio_vec *direct_bv; /* DIO buffer list (when handling iovec-iter) */
@@ -251,29 +250,28 @@ struct netfs_io_request {
atomic_t subreq_counter; /* Next subreq->debug_index */
unsigned int nr_group_rel; /* Number of refs to release on ->group */
spinlock_t lock; /* Lock for queuing subreqs */
- atomic_t nr_outstanding; /* Number of ops in progress */
unsigned long long submitted; /* Amount submitted for I/O so far */
unsigned long long len; /* Length of the request */
size_t transferred; /* Amount to be indicated as transferred */
long error; /* 0 or error that occurred */
enum netfs_io_origin origin; /* Origin of the request */
bool direct_bv_unpin; /* T if direct_bv[] must be unpinned */
- u8 buffer_head_slot; /* First slot in ->buffer */
- u8 buffer_tail_slot; /* Next slot in ->buffer_tail */
unsigned long long i_size; /* Size of the file */
unsigned long long start; /* Start position */
atomic64_t issued_to; /* Write issuer folio cursor */
unsigned long long collected_to; /* Point we've collected to */
unsigned long long cleaned_to; /* Position we've cleaned folios to */
+ unsigned long long abandon_to; /* Position to abandon folios to */
pgoff_t no_unlock_folio; /* Don't unlock this folio after read */
- size_t prev_donated; /* Fallback for subreq->prev_donated */
+ unsigned char front_folio_order; /* Order (size) of front folio */
refcount_t ref;
unsigned long flags;
-#define NETFS_RREQ_COPY_TO_CACHE 1 /* Need to write to the cache */
+#define NETFS_RREQ_OFFLOAD_COLLECTION 0 /* Offload collection to workqueue */
#define NETFS_RREQ_NO_UNLOCK_FOLIO 2 /* Don't unlock no_unlock_folio on completion */
#define NETFS_RREQ_DONT_UNLOCK_FOLIOS 3 /* Don't unlock the folios on completion */
#define NETFS_RREQ_FAILED 4 /* The request failed */
#define NETFS_RREQ_IN_PROGRESS 5 /* Unlocked when the request completes */
+#define NETFS_RREQ_FOLIO_COPY_TO_CACHE 6 /* Copy current folio to cache from read */
#define NETFS_RREQ_UPLOAD_TO_SERVER 8 /* Need to write to the server */
#define NETFS_RREQ_NONBLOCK 9 /* Don't block if possible (O_NONBLOCK) */
#define NETFS_RREQ_BLOCKED 10 /* We blocked */
@@ -410,6 +408,13 @@ ssize_t netfs_unbuffered_write_iter_locked(struct kiocb *iocb, struct iov_iter *
struct netfs_group *netfs_group);
ssize_t netfs_file_write_iter(struct kiocb *iocb, struct iov_iter *from);
+/* Single, monolithic object read/write API. */
+void netfs_single_mark_inode_dirty(struct inode *inode);
+ssize_t netfs_read_single(struct inode *inode, struct file *file, struct iov_iter *iter);
+int netfs_writeback_single(struct address_space *mapping,
+ struct writeback_control *wbc,
+ struct iov_iter *iter);
+
/* Address operations API */
struct readahead_control;
void netfs_readahead(struct readahead_control *);
@@ -429,10 +434,8 @@ bool netfs_release_folio(struct folio *folio, gfp_t gfp);
vm_fault_t netfs_page_mkwrite(struct vm_fault *vmf, struct netfs_group *netfs_group);
/* (Sub)request management API. */
-void netfs_read_subreq_progress(struct netfs_io_subrequest *subreq,
- bool was_async);
-void netfs_read_subreq_terminated(struct netfs_io_subrequest *subreq,
- int error, bool was_async);
+void netfs_read_subreq_progress(struct netfs_io_subrequest *subreq);
+void netfs_read_subreq_terminated(struct netfs_io_subrequest *subreq);
void netfs_get_subrequest(struct netfs_io_subrequest *subreq,
enum netfs_sreq_ref_trace what);
void netfs_put_subrequest(struct netfs_io_subrequest *subreq,
@@ -454,6 +457,18 @@ void netfs_end_io_write(struct inode *inode);
int netfs_start_io_direct(struct inode *inode);
void netfs_end_io_direct(struct inode *inode);
+/* Miscellaneous APIs. */
+struct folio_queue *netfs_folioq_alloc(unsigned int rreq_id, gfp_t gfp,
+ unsigned int trace /*enum netfs_folioq_trace*/);
+void netfs_folioq_free(struct folio_queue *folioq,
+ unsigned int trace /*enum netfs_trace_folioq*/);
+
+/* Buffer wrangling helpers API. */
+int netfs_alloc_folioq_buffer(struct address_space *mapping,
+ struct folio_queue **_buffer,
+ size_t *_cur_size, ssize_t size, gfp_t gfp);
+void netfs_free_folioq_buffer(struct folio_queue *fq);
+
/**
* netfs_inode - Get the netfs inode context from the inode
* @inode: The inode to query
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 2220bfec278e..691506bdf2c5 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -306,7 +306,7 @@ static const unsigned long *const_folio_flags(const struct folio *folio,
{
const struct page *page = &folio->page;
- VM_BUG_ON_PGFLAGS(PageTail(page), page);
+ VM_BUG_ON_PGFLAGS(page->compound_head & 1, page);
VM_BUG_ON_PGFLAGS(n > 0 && !test_bit(PG_head, &page->flags), page);
return &page[n].flags;
}
@@ -315,7 +315,7 @@ static unsigned long *folio_flags(struct folio *folio, unsigned n)
{
struct page *page = &folio->page;
- VM_BUG_ON_PGFLAGS(PageTail(page), page);
+ VM_BUG_ON_PGFLAGS(page->compound_head & 1, page);
VM_BUG_ON_PGFLAGS(n > 0 && !test_bit(PG_head, &page->flags), page);
return &page[n].flags;
}
@@ -862,18 +862,10 @@ static inline void ClearPageCompound(struct page *page)
ClearPageHead(page);
}
FOLIO_FLAG(large_rmappable, FOLIO_SECOND_PAGE)
-FOLIO_TEST_FLAG(partially_mapped, FOLIO_SECOND_PAGE)
-/*
- * PG_partially_mapped is protected by deferred_split split_queue_lock,
- * so its safe to use non-atomic set/clear.
- */
-__FOLIO_SET_FLAG(partially_mapped, FOLIO_SECOND_PAGE)
-__FOLIO_CLEAR_FLAG(partially_mapped, FOLIO_SECOND_PAGE)
+FOLIO_FLAG(partially_mapped, FOLIO_SECOND_PAGE)
#else
FOLIO_FLAG_FALSE(large_rmappable)
-FOLIO_TEST_FLAG_FALSE(partially_mapped)
-__FOLIO_SET_FLAG_NOOP(partially_mapped)
-__FOLIO_CLEAR_FLAG_NOOP(partially_mapped)
+FOLIO_FLAG_FALSE(partially_mapped)
#endif
#define PG_head_mask ((1UL << PG_head))
diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
index 35842d1e3879..5b520fe86b60 100644
--- a/include/linux/percpu-defs.h
+++ b/include/linux/percpu-defs.h
@@ -221,10 +221,7 @@ do { \
} while (0)
#define PERCPU_PTR(__p) \
-({ \
- unsigned long __pcpu_ptr = (__force unsigned long)(__p); \
- (typeof(*(__p)) __force __kernel *)(__pcpu_ptr); \
-})
+ (typeof(*(__p)) __force __kernel *)((__force unsigned long)(__p))
#ifdef CONFIG_SMP
diff --git a/include/linux/pgalloc_tag.h b/include/linux/pgalloc_tag.h
index 0e43ab653ab6..3469c4b20105 100644
--- a/include/linux/pgalloc_tag.h
+++ b/include/linux/pgalloc_tag.h
@@ -231,7 +231,7 @@ static inline void pgalloc_tag_sub_pages(struct alloc_tag *tag, unsigned int nr)
}
void pgalloc_tag_split(struct folio *folio, int old_order, int new_order);
-void pgalloc_tag_copy(struct folio *new, struct folio *old);
+void pgalloc_tag_swap(struct folio *new, struct folio *old);
void __init alloc_tag_sec_init(void);
@@ -245,7 +245,7 @@ static inline struct alloc_tag *pgalloc_tag_get(struct page *page) { return NULL
static inline void pgalloc_tag_sub_pages(struct alloc_tag *tag, unsigned int nr) {}
static inline void alloc_tag_sec_init(void) {}
static inline void pgalloc_tag_split(struct folio *folio, int old_order, int new_order) {}
-static inline void pgalloc_tag_copy(struct folio *new, struct folio *old) {}
+static inline void pgalloc_tag_swap(struct folio *new, struct folio *old) {}
#endif /* CONFIG_MEM_ALLOC_PROFILING */
diff --git a/include/linux/pid.h b/include/linux/pid.h
index a3aad9b4074c..98837a1ff0f3 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -59,6 +59,7 @@ struct pid
spinlock_t lock;
struct dentry *stashed;
u64 ino;
+ struct rb_node pidfs_node;
/* lists of tasks that use this pid */
struct hlist_head tasks[PIDTYPE_MAX];
struct hlist_head inodes;
@@ -68,6 +69,7 @@ struct pid
struct upid numbers[];
};
+extern seqcount_spinlock_t pidmap_lock_seq;
extern struct pid init_struct_pid;
struct file;
@@ -106,9 +108,6 @@ extern void exchange_tids(struct task_struct *task, struct task_struct *old);
extern void transfer_pid(struct task_struct *old, struct task_struct *new,
enum pid_type);
-extern int pid_max;
-extern int pid_max_min, pid_max_max;
-
/*
* look up a PID in the hash table. Must be called with the tasklist_lock
* or rcu_read_lock() held.
diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index f9f9931e02d6..7c67a5811199 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -30,6 +30,7 @@ struct pid_namespace {
struct task_struct *child_reaper;
struct kmem_cache *pid_cachep;
unsigned int level;
+ int pid_max;
struct pid_namespace *parent;
#ifdef CONFIG_BSD_PROCESS_ACCT
struct fs_pin *bacct;
@@ -38,9 +39,14 @@ struct pid_namespace {
struct ucounts *ucounts;
int reboot; /* group exit code if this pidns was rebooted */
struct ns_common ns;
-#if defined(CONFIG_SYSCTL) && defined(CONFIG_MEMFD_CREATE)
+ struct work_struct work;
+#ifdef CONFIG_SYSCTL
+ struct ctl_table_set set;
+ struct ctl_table_header *sysctls;
+#if defined(CONFIG_MEMFD_CREATE)
int memfd_noexec_scope;
#endif
+#endif
} __randomize_layout;
extern struct pid_namespace init_pid_ns;
@@ -117,6 +123,8 @@ static inline int reboot_pid_ns(struct pid_namespace *pid_ns, int cmd)
extern struct pid_namespace *task_active_pid_ns(struct task_struct *tsk);
void pidhash_init(void);
void pid_idr_init(void);
+int register_pidns_sysctls(struct pid_namespace *pidns);
+void unregister_pidns_sysctls(struct pid_namespace *pidns);
static inline bool task_is_in_init_pid_ns(struct task_struct *tsk)
{
diff --git a/include/linux/pidfs.h b/include/linux/pidfs.h
index 75bdf9807802..7c830d0dec9a 100644
--- a/include/linux/pidfs.h
+++ b/include/linux/pidfs.h
@@ -4,5 +4,8 @@
struct file *pidfs_alloc_file(struct pid *pid, unsigned int flags);
void __init pidfs_init(void);
+void pidfs_add_pid(struct pid *pid);
+void pidfs_remove_pid(struct pid *pid);
+extern const struct dentry_operations pidfs_dentry_operations;
#endif /* _LINUX_PID_FS_H */
diff --git a/include/linux/platform_data/amd_qdma.h b/include/linux/platform_data/amd_qdma.h
index 576d952f97ed..967a6ef31cf9 100644
--- a/include/linux/platform_data/amd_qdma.h
+++ b/include/linux/platform_data/amd_qdma.h
@@ -26,11 +26,13 @@ struct dma_slave_map;
* @max_mm_channels: Maximum number of MM DMA channels in each direction
* @device_map: DMA slave map
* @irq_index: The index of first IRQ
+ * @dma_dev: The device pointer for dma operations
*/
struct qdma_platdata {
u32 max_mm_channels;
u32 irq_index;
struct dma_slave_map *device_map;
+ struct device *dma_dev;
};
#endif /* _PLATDATA_AMD_QDMA_H */
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 7132623e4658..074754c23d33 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -235,17 +235,7 @@ extern void platform_device_put(struct platform_device *pdev);
struct platform_driver {
int (*probe)(struct platform_device *);
-
- /*
- * .remove_new() is a relic from a prototype conversion of .remove().
- * New drivers are supposed to implement .remove(). Once all drivers are
- * converted to not use .remove_new any more, it will be dropped.
- */
- union {
- void (*remove)(struct platform_device *);
- void (*remove_new)(struct platform_device *);
- };
-
+ void (*remove)(struct platform_device *);
void (*shutdown)(struct platform_device *);
int (*suspend)(struct platform_device *, pm_message_t state);
int (*resume)(struct platform_device *);
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 97b0e23363c8..e7f0260f15ad 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -385,7 +385,7 @@ const struct dev_pm_ops name = { \
#ifdef CONFIG_PM
#define _EXPORT_DEV_PM_OPS(name, license, ns) _EXPORT_PM_OPS(name, license, ns)
#define EXPORT_PM_FN_GPL(name) EXPORT_SYMBOL_GPL(name)
-#define EXPORT_PM_FN_NS_GPL(name, ns) EXPORT_SYMBOL_NS_GPL(name, ns)
+#define EXPORT_PM_FN_NS_GPL(name, ns) EXPORT_SYMBOL_NS_GPL(name, "ns")
#else
#define _EXPORT_DEV_PM_OPS(name, license, ns) _DISCARD_PM_OPS(name, license, ns)
#define EXPORT_PM_FN_GPL(name)
diff --git a/include/linux/poll.h b/include/linux/poll.h
index d1ea4f3714a8..12bb18e8b978 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -25,14 +25,14 @@
struct poll_table_struct;
-/*
+/*
* structures and helpers for f_op->poll implementations
*/
typedef void (*poll_queue_proc)(struct file *, wait_queue_head_t *, struct poll_table_struct *);
/*
- * Do not touch the structure directly, use the access functions
- * poll_does_not_wait() and poll_requested_events() instead.
+ * Do not touch the structure directly, use the access function
+ * poll_requested_events() instead.
*/
typedef struct poll_table_struct {
poll_queue_proc _qproc;
@@ -41,18 +41,16 @@ typedef struct poll_table_struct {
static inline void poll_wait(struct file * filp, wait_queue_head_t * wait_address, poll_table *p)
{
- if (p && p->_qproc && wait_address)
+ if (p && p->_qproc) {
p->_qproc(filp, wait_address, p);
-}
-
-/*
- * Return true if it is guaranteed that poll will not wait. This is the case
- * if the poll() of another file descriptor in the set got an event, so there
- * is no need for waiting.
- */
-static inline bool poll_does_not_wait(const poll_table *p)
-{
- return p == NULL || p->_qproc == NULL;
+ /*
+ * This memory barrier is paired in the wq_has_sleeper().
+ * See the comment above prepare_to_wait(), we need to
+ * ensure that subsequent tests in this thread can't be
+ * reordered with __add_wait_queue() in _qproc() paths.
+ */
+ smp_mb();
+ }
}
/*
diff --git a/include/linux/pruss_driver.h b/include/linux/pruss_driver.h
index c9a31c567e85..2e18fef1a2e1 100644
--- a/include/linux/pruss_driver.h
+++ b/include/linux/pruss_driver.h
@@ -144,32 +144,32 @@ static inline int pruss_release_mem_region(struct pruss *pruss,
static inline int pruss_cfg_get_gpmux(struct pruss *pruss,
enum pruss_pru_id pru_id, u8 *mux)
{
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
}
static inline int pruss_cfg_set_gpmux(struct pruss *pruss,
enum pruss_pru_id pru_id, u8 mux)
{
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
}
static inline int pruss_cfg_gpimode(struct pruss *pruss,
enum pruss_pru_id pru_id,
enum pruss_gpi_mode mode)
{
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
}
static inline int pruss_cfg_miirt_enable(struct pruss *pruss, bool enable)
{
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
}
static inline int pruss_cfg_xfr_enable(struct pruss *pruss,
enum pru_type pru_type,
- bool enable);
+ bool enable)
{
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
}
#endif /* CONFIG_TI_PRUSS */
diff --git a/include/linux/pseudo_fs.h b/include/linux/pseudo_fs.h
index 730f77381d55..2503f7625d65 100644
--- a/include/linux/pseudo_fs.h
+++ b/include/linux/pseudo_fs.h
@@ -5,6 +5,7 @@
struct pseudo_fs_context {
const struct super_operations *ops;
+ const struct export_operations *eops;
const struct xattr_handler * const *xattr;
const struct dentry_operations *dops;
unsigned long magic;
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index 78827f312407..6853e29d9674 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -8,7 +8,7 @@
#include <linux/mutex.h>
#include <linux/of.h>
-MODULE_IMPORT_NS(PWM);
+MODULE_IMPORT_NS("PWM");
struct pwm_chip;
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index 14dfa6008467..1b11926ddd47 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -30,6 +30,17 @@ static inline void INIT_LIST_HEAD_RCU(struct list_head *list)
* way, we must not access it directly
*/
#define list_next_rcu(list) (*((struct list_head __rcu **)(&(list)->next)))
+/*
+ * Return the ->prev pointer of a list_head in an rcu safe way. Don't
+ * access it directly.
+ *
+ * Any list traversed with list_bidir_prev_rcu() must never use
+ * list_del_rcu(). Doing so will poison the ->prev pointer that
+ * list_bidir_prev_rcu() relies on, which will result in segfaults.
+ * To prevent these segfaults, use list_bidir_del_rcu() instead
+ * of list_del_rcu().
+ */
+#define list_bidir_prev_rcu(list) (*((struct list_head __rcu **)(&(list)->prev)))
/**
* list_tail_rcu - returns the prev pointer of the head of the list
@@ -159,6 +170,39 @@ static inline void list_del_rcu(struct list_head *entry)
}
/**
+ * list_bidir_del_rcu - deletes entry from list without re-initialization
+ * @entry: the element to delete from the list.
+ *
+ * In contrast to list_del_rcu() doesn't poison the prev pointer thus
+ * allowing backwards traversal via list_bidir_prev_rcu().
+ *
+ * Note: list_empty() on entry does not return true after this because
+ * the entry is in a special undefined state that permits RCU-based
+ * lockfree reverse traversal. In particular this means that we can not
+ * poison the forward and backwards pointers that may still be used for
+ * walking the list.
+ *
+ * The caller must take whatever precautions are necessary (such as
+ * holding appropriate locks) to avoid racing with another list-mutation
+ * primitive, such as list_bidir_del_rcu() or list_add_rcu(), running on
+ * this same list. However, it is perfectly legal to run concurrently
+ * with the _rcu list-traversal primitives, such as
+ * list_for_each_entry_rcu().
+ *
+ * Note that list_del_rcu() and list_bidir_del_rcu() must not be used on
+ * the same list.
+ *
+ * Note that the caller is not permitted to immediately free
+ * the newly deleted entry. Instead, either synchronize_rcu()
+ * or call_rcu() must be used to defer freeing until an RCU
+ * grace period has elapsed.
+ */
+static inline void list_bidir_del_rcu(struct list_head *entry)
+{
+ __list_del_entry(entry);
+}
+
+/**
* hlist_del_init_rcu - deletes entry from hash list with re-initialization
* @n: the element to delete from the hash list.
*
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 8c3c372ad735..bcba3935c6f9 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -168,29 +168,6 @@ int devm_regulator_get_enable_read_voltage(struct device *dev, const char *id);
void regulator_put(struct regulator *regulator);
void devm_regulator_put(struct regulator *regulator);
-#if IS_ENABLED(CONFIG_OF)
-struct regulator *__must_check of_regulator_get_optional(struct device *dev,
- struct device_node *node,
- const char *id);
-struct regulator *__must_check devm_of_regulator_get_optional(struct device *dev,
- struct device_node *node,
- const char *id);
-#else
-static inline struct regulator *__must_check of_regulator_get_optional(struct device *dev,
- struct device_node *node,
- const char *id)
-{
- return ERR_PTR(-ENODEV);
-}
-
-static inline struct regulator *__must_check devm_of_regulator_get_optional(struct device *dev,
- struct device_node *node,
- const char *id)
-{
- return ERR_PTR(-ENODEV);
-}
-#endif
-
int regulator_register_supply_alias(struct device *dev, const char *id,
struct device *alias_dev,
const char *alias_id);
@@ -223,8 +200,6 @@ int regulator_disable_deferred(struct regulator *regulator, int ms);
int __must_check regulator_bulk_get(struct device *dev, int num_consumers,
struct regulator_bulk_data *consumers);
-int __must_check of_regulator_bulk_get_all(struct device *dev, struct device_node *np,
- struct regulator_bulk_data **consumers);
int __must_check devm_regulator_bulk_get(struct device *dev, int num_consumers,
struct regulator_bulk_data *consumers);
void devm_regulator_bulk_put(struct regulator_bulk_data *consumers);
@@ -373,20 +348,6 @@ devm_regulator_get_optional(struct device *dev, const char *id)
return ERR_PTR(-ENODEV);
}
-static inline struct regulator *__must_check of_regulator_get_optional(struct device *dev,
- struct device_node *node,
- const char *id)
-{
- return ERR_PTR(-ENODEV);
-}
-
-static inline struct regulator *__must_check devm_of_regulator_get_optional(struct device *dev,
- struct device_node *node,
- const char *id)
-{
- return ERR_PTR(-ENODEV);
-}
-
static inline void regulator_put(struct regulator *regulator)
{
}
@@ -483,12 +444,6 @@ static inline int devm_regulator_bulk_get(struct device *dev, int num_consumers,
return 0;
}
-static inline int of_regulator_bulk_get_all(struct device *dev, struct device_node *np,
- struct regulator_bulk_data **consumers)
-{
- return 0;
-}
-
static inline int devm_regulator_bulk_get_const(
struct device *dev, int num_consumers,
const struct regulator_bulk_data *in_consumers,
@@ -700,6 +655,38 @@ regulator_is_equal(struct regulator *reg1, struct regulator *reg2)
}
#endif
+#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_REGULATOR)
+struct regulator *__must_check of_regulator_get_optional(struct device *dev,
+ struct device_node *node,
+ const char *id);
+struct regulator *__must_check devm_of_regulator_get_optional(struct device *dev,
+ struct device_node *node,
+ const char *id);
+int __must_check of_regulator_bulk_get_all(struct device *dev, struct device_node *np,
+ struct regulator_bulk_data **consumers);
+#else
+static inline struct regulator *__must_check of_regulator_get_optional(struct device *dev,
+ struct device_node *node,
+ const char *id)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct regulator *__must_check devm_of_regulator_get_optional(struct device *dev,
+ struct device_node *node,
+ const char *id)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline int of_regulator_bulk_get_all(struct device *dev, struct device_node *np,
+ struct regulator_bulk_data **consumers)
+{
+ return 0;
+}
+
+#endif
+
static inline int regulator_set_voltage_triplet(struct regulator *regulator,
int min_uV, int target_uV,
int max_uV)
diff --git a/include/linux/rolling_buffer.h b/include/linux/rolling_buffer.h
new file mode 100644
index 000000000000..ac15b1ffdd83
--- /dev/null
+++ b/include/linux/rolling_buffer.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Rolling buffer of folios
+ *
+ * Copyright (C) 2024 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ */
+
+#ifndef _ROLLING_BUFFER_H
+#define _ROLLING_BUFFER_H
+
+#include <linux/folio_queue.h>
+#include <linux/uio.h>
+
+/*
+ * Rolling buffer. Whilst the buffer is live and in use, folios and folio
+ * queue segments can be added to one end by one thread and removed from the
+ * other end by another thread. The buffer isn't allowed to be empty; it must
+ * always have at least one folio_queue in it so that neither side has to
+ * modify both queue pointers.
+ *
+ * The iterator in the buffer is extended as buffers are inserted. It can be
+ * snapshotted to use a segment of the buffer.
+ */
+struct rolling_buffer {
+ struct folio_queue *head; /* Producer's insertion point */
+ struct folio_queue *tail; /* Consumer's removal point */
+ struct iov_iter iter; /* Iterator tracking what's left in the buffer */
+ u8 next_head_slot; /* Next slot in ->head */
+ u8 first_tail_slot; /* First slot in ->tail */
+};
+
+/*
+ * Snapshot of a rolling buffer.
+ */
+struct rolling_buffer_snapshot {
+ struct folio_queue *curr_folioq; /* Queue segment in which current folio resides */
+ unsigned char curr_slot; /* Folio currently being read */
+ unsigned char curr_order; /* Order of folio */
+};
+
+/* Marks to store per-folio in the internal folio_queue structs. */
+#define ROLLBUF_MARK_1 BIT(0)
+#define ROLLBUF_MARK_2 BIT(1)
+
+int rolling_buffer_init(struct rolling_buffer *roll, unsigned int rreq_id,
+ unsigned int direction);
+int rolling_buffer_make_space(struct rolling_buffer *roll);
+ssize_t rolling_buffer_load_from_ra(struct rolling_buffer *roll,
+ struct readahead_control *ractl,
+ struct folio_batch *put_batch);
+ssize_t rolling_buffer_append(struct rolling_buffer *roll, struct folio *folio,
+ unsigned int flags);
+struct folio_queue *rolling_buffer_delete_spent(struct rolling_buffer *roll);
+void rolling_buffer_clear(struct rolling_buffer *roll);
+
+static inline void rolling_buffer_advance(struct rolling_buffer *roll, size_t amount)
+{
+ iov_iter_advance(&roll->iter, amount);
+}
+
+#endif /* _ROLLING_BUFFER_H */
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index c5e2239b550e..d836e7440ee8 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -313,7 +313,7 @@ static inline void sg_dma_mark_bus_address(struct scatterlist *sg)
}
/**
- * sg_unmark_bus_address - Unmark the scatterlist entry as a bus address
+ * sg_dma_unmark_bus_address - Unmark the scatterlist entry as a bus address
* @sg: SG entry
*
* Description:
diff --git a/include/linux/sched.h b/include/linux/sched.h
index d380bffee2ef..64934e0830af 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -656,6 +656,12 @@ struct sched_dl_entity {
* @dl_defer_armed tells if the deferrable server is waiting
* for the replenishment timer to activate it.
*
+ * @dl_server_active tells if the dlserver is active(started).
+ * dlserver is started on first cfs enqueue on an idle runqueue
+ * and is stopped when a dequeue results in 0 cfs tasks on the
+ * runqueue. In other words, dlserver is active only when cpu's
+ * runqueue has atleast one cfs task.
+ *
* @dl_defer_running tells if the deferrable server is actually
* running, skipping the defer phase.
*/
@@ -664,6 +670,7 @@ struct sched_dl_entity {
unsigned int dl_non_contending : 1;
unsigned int dl_overrun : 1;
unsigned int dl_server : 1;
+ unsigned int dl_server_active : 1;
unsigned int dl_defer : 1;
unsigned int dl_defer_armed : 1;
unsigned int dl_defer_running : 1;
@@ -1630,8 +1637,9 @@ static inline unsigned int __task_state_index(unsigned int tsk_state,
* We're lying here, but rather than expose a completely new task state
* to userspace, we can make this appear as if the task has gone through
* a regular rt_mutex_lock() call.
+ * Report frozen tasks as uninterruptible.
*/
- if (tsk_state & TASK_RTLOCK_WAIT)
+ if ((tsk_state & TASK_RTLOCK_WAIT) || (tsk_state & TASK_FROZEN))
state = TASK_UNINTERRUPTIBLE;
return fls(state);
diff --git a/include/linux/seccomp.h b/include/linux/seccomp.h
index 341980599c71..e45531455d3b 100644
--- a/include/linux/seccomp.h
+++ b/include/linux/seccomp.h
@@ -55,10 +55,10 @@ struct seccomp_data;
#ifdef CONFIG_HAVE_ARCH_SECCOMP_FILTER
static inline int secure_computing(void) { return 0; }
-static inline int __secure_computing(const struct seccomp_data *sd) { return 0; }
#else
static inline void secure_computing_strict(int this_syscall) { return; }
#endif
+static inline int __secure_computing(const struct seccomp_data *sd) { return 0; }
static inline long prctl_get_seccomp(void)
{
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index 5298765d6ca4..eb20dcaa51b5 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -272,7 +272,7 @@ SEQCOUNT_LOCKNAME(mutex, struct mutex, true, mutex)
({ \
unsigned __seq; \
\
- while ((__seq = seqprop_sequence(s)) & 1) \
+ while (unlikely((__seq = seqprop_sequence(s)) & 1)) \
cpu_relax(); \
\
kcsan_atomic_next(KCSAN_SEQLOCK_REGION_MAX); \
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h
index d9b03e0746e7..2cbe0c22a32f 100644
--- a/include/linux/skmsg.h
+++ b/include/linux/skmsg.h
@@ -317,17 +317,22 @@ static inline void sock_drop(struct sock *sk, struct sk_buff *skb)
kfree_skb(skb);
}
-static inline void sk_psock_queue_msg(struct sk_psock *psock,
+static inline bool sk_psock_queue_msg(struct sk_psock *psock,
struct sk_msg *msg)
{
+ bool ret;
+
spin_lock_bh(&psock->ingress_lock);
- if (sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED))
+ if (sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED)) {
list_add_tail(&msg->list, &psock->ingress_msg);
- else {
+ ret = true;
+ } else {
sk_msg_free(psock->sk, msg);
kfree(msg);
+ ret = false;
}
spin_unlock_bh(&psock->ingress_lock);
+ return ret;
}
static inline struct sk_msg *sk_psock_dequeue_msg(struct sk_psock *psock)
diff --git a/include/linux/stackdepot.h b/include/linux/stackdepot.h
index e9ec32fb97d4..2cc21ffcdaf9 100644
--- a/include/linux/stackdepot.h
+++ b/include/linux/stackdepot.h
@@ -147,7 +147,7 @@ static inline int stack_depot_early_init(void) { return 0; }
* If the provided stack trace comes from the interrupt context, only the part
* up to the interrupt entry is saved.
*
- * Context: Any context, but setting STACK_DEPOT_FLAG_CAN_ALLOC is required if
+ * Context: Any context, but unsetting STACK_DEPOT_FLAG_CAN_ALLOC is required if
* alloc_pages() cannot be used from the current context. Currently
* this is the case for contexts where neither %GFP_ATOMIC nor
* %GFP_NOWAIT can be used (NMI, raw_spin_lock).
@@ -156,7 +156,7 @@ static inline int stack_depot_early_init(void) { return 0; }
*/
depot_stack_handle_t stack_depot_save_flags(unsigned long *entries,
unsigned int nr_entries,
- gfp_t gfp_flags,
+ gfp_t alloc_flags,
depot_flags_t depot_flags);
/**
@@ -175,7 +175,7 @@ depot_stack_handle_t stack_depot_save_flags(unsigned long *entries,
* Return: Handle of the stack trace stored in depot, 0 on failure
*/
depot_stack_handle_t stack_depot_save(unsigned long *entries,
- unsigned int nr_entries, gfp_t gfp_flags);
+ unsigned int nr_entries, gfp_t alloc_flags);
/**
* __stack_depot_get_stack_record - Get a pointer to a stack_record struct
diff --git a/include/linux/static_call.h b/include/linux/static_call.h
index 141e6b176a1b..78a77a4ae0ea 100644
--- a/include/linux/static_call.h
+++ b/include/linux/static_call.h
@@ -160,6 +160,8 @@ extern void arch_static_call_transform(void *site, void *tramp, void *func, bool
#ifdef CONFIG_HAVE_STATIC_CALL_INLINE
+extern int static_call_initialized;
+
extern int __init static_call_init(void);
extern void static_call_force_reinit(void);
@@ -225,6 +227,8 @@ extern long __static_call_return0(void);
#elif defined(CONFIG_HAVE_STATIC_CALL)
+#define static_call_initialized 0
+
static inline int static_call_init(void) { return 0; }
#define DEFINE_STATIC_CALL(name, _func) \
@@ -281,6 +285,8 @@ extern long __static_call_return0(void);
#else /* Generic implementation */
+#define static_call_initialized 0
+
static inline int static_call_init(void) { return 0; }
static inline long __static_call_return0(void)
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 2a5df5b62cfc..58ad4ead33fc 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -273,7 +273,8 @@ struct trace_event_fields {
const char *name;
const int size;
const int align;
- const int is_signed;
+ const unsigned int is_signed:1;
+ unsigned int needs_test:1;
const int filter_type;
const int len;
};
@@ -324,6 +325,7 @@ enum {
TRACE_EVENT_FL_EPROBE_BIT,
TRACE_EVENT_FL_FPROBE_BIT,
TRACE_EVENT_FL_CUSTOM_BIT,
+ TRACE_EVENT_FL_TEST_STR_BIT,
};
/*
@@ -340,6 +342,7 @@ enum {
* CUSTOM - Event is a custom event (to be attached to an exsiting tracepoint)
* This is set when the custom event has not been attached
* to a tracepoint yet, then it is cleared when it is.
+ * TEST_STR - The event has a "%s" that points to a string outside the event
*/
enum {
TRACE_EVENT_FL_CAP_ANY = (1 << TRACE_EVENT_FL_CAP_ANY_BIT),
@@ -352,6 +355,7 @@ enum {
TRACE_EVENT_FL_EPROBE = (1 << TRACE_EVENT_FL_EPROBE_BIT),
TRACE_EVENT_FL_FPROBE = (1 << TRACE_EVENT_FL_FPROBE_BIT),
TRACE_EVENT_FL_CUSTOM = (1 << TRACE_EVENT_FL_CUSTOM_BIT),
+ TRACE_EVENT_FL_TEST_STR = (1 << TRACE_EVENT_FL_TEST_STR_BIT),
};
#define TRACE_EVENT_FL_UKPROBE (TRACE_EVENT_FL_KPROBE | TRACE_EVENT_FL_UPROBE)
@@ -360,7 +364,7 @@ struct trace_event_call {
struct list_head list;
struct trace_event_class *class;
union {
- char *name;
+ const char *name;
/* Set TRACE_EVENT_FL_TRACEPOINT flag when using "tp" */
struct tracepoint *tp;
};
diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h
index cb40f1a1d081..75342022d144 100644
--- a/include/linux/userfaultfd_k.h
+++ b/include/linux/userfaultfd_k.h
@@ -247,6 +247,13 @@ static inline bool vma_can_userfault(struct vm_area_struct *vma,
vma_is_shmem(vma);
}
+static inline bool vma_has_uffd_without_event_remap(struct vm_area_struct *vma)
+{
+ struct userfaultfd_ctx *uffd_ctx = vma->vm_userfaultfd_ctx.ctx;
+
+ return uffd_ctx && (uffd_ctx->features & UFFD_FEATURE_EVENT_REMAP) == 0;
+}
+
extern int dup_userfaultfd(struct vm_area_struct *, struct list_head *);
extern void dup_userfaultfd_complete(struct list_head *);
void dup_userfaultfd_fail(struct list_head *);
@@ -402,6 +409,11 @@ static inline bool userfaultfd_wp_async(struct vm_area_struct *vma)
return false;
}
+static inline bool vma_has_uffd_without_event_remap(struct vm_area_struct *vma)
+{
+ return false;
+}
+
#endif /* CONFIG_USERFAULTFD */
static inline bool userfaultfd_wp_use_markers(struct vm_area_struct *vma)
diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h
index a54046bf37e5..939ceabcaf06 100644
--- a/include/linux/vermagic.h
+++ b/include/linux/vermagic.h
@@ -15,10 +15,10 @@
#else
#define MODULE_VERMAGIC_SMP ""
#endif
-#ifdef CONFIG_PREEMPT_BUILD
-#define MODULE_VERMAGIC_PREEMPT "preempt "
-#elif defined(CONFIG_PREEMPT_RT)
+#ifdef CONFIG_PREEMPT_RT
#define MODULE_VERMAGIC_PREEMPT "preempt_rt "
+#elif defined(CONFIG_PREEMPT_BUILD)
+#define MODULE_VERMAGIC_PREEMPT "preempt "
#else
#define MODULE_VERMAGIC_PREEMPT ""
#endif
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 57cc4b07fd17..dd88682e27e3 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -109,9 +109,11 @@ dma_addr_t virtqueue_get_avail_addr(const struct virtqueue *vq);
dma_addr_t virtqueue_get_used_addr(const struct virtqueue *vq);
int virtqueue_resize(struct virtqueue *vq, u32 num,
- void (*recycle)(struct virtqueue *vq, void *buf));
+ void (*recycle)(struct virtqueue *vq, void *buf),
+ void (*recycle_done)(struct virtqueue *vq));
int virtqueue_reset(struct virtqueue *vq,
- void (*recycle)(struct virtqueue *vq, void *buf));
+ void (*recycle)(struct virtqueue *vq, void *buf),
+ void (*recycle_done)(struct virtqueue *vq));
struct virtio_admin_cmd {
__le16 opcode;
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index d2761bf8ff32..9f3a04345b86 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -515,7 +515,7 @@ static inline const char *node_stat_name(enum node_stat_item item)
static inline const char *lru_list_name(enum lru_list lru)
{
- return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
+ return node_stat_name(NR_LRU_BASE + (enum node_stat_item)lru) + 3; // skip "nr_"
}
#if defined(CONFIG_VM_EVENT_COUNTERS) || defined(CONFIG_MEMCG)
diff --git a/include/linux/ww_mutex.h b/include/linux/ww_mutex.h
index a401a2f31a77..45ff6f7a872b 100644
--- a/include/linux/ww_mutex.h
+++ b/include/linux/ww_mutex.h
@@ -156,8 +156,8 @@ static inline void ww_acquire_init(struct ww_acquire_ctx *ctx,
debug_check_no_locks_freed((void *)ctx, sizeof(*ctx));
lockdep_init_map(&ctx->dep_map, ww_class->acquire_name,
&ww_class->acquire_key, 0);
- lockdep_init_map(&ctx->first_lock_dep_map, ww_class->mutex_name,
- &ww_class->mutex_key, 0);
+ lockdep_init_map_wait(&ctx->first_lock_dep_map, ww_class->mutex_name,
+ &ww_class->mutex_key, 0, LD_WAIT_SLEEP);
mutex_acquire(&ctx->dep_map, 0, 0, _RET_IP_);
mutex_acquire_nest(&ctx->first_lock_dep_map, 0, 0, &ctx->dep_map, _RET_IP_);
#endif