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-rw-r--r--include/linux/blkdev.h16
-rw-r--r--include/linux/bpf.h60
-rw-r--r--include/linux/can/platform/sja1000.h2
-rw-r--r--include/linux/fault-inject.h7
-rw-r--r--include/linux/fs.h8
-rw-r--r--include/linux/fscache.h2
-rw-r--r--include/linux/gfp.h18
-rw-r--r--include/linux/io_uring.h3
-rw-r--r--include/linux/kvm_host.h1
-rw-r--r--include/linux/mlx5/driver.h1
-rw-r--r--include/linux/mm.h29
-rw-r--r--include/linux/mmc/mmc.h2
-rw-r--r--include/linux/pgtable.h18
-rw-r--r--include/linux/ring_buffer.h2
-rw-r--r--include/linux/trace.h4
-rw-r--r--include/linux/vfio.h1
16 files changed, 127 insertions, 47 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 50e358a19d98..891f8cbcd043 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -311,6 +311,13 @@ struct queue_limits {
unsigned char discard_misaligned;
unsigned char raid_partial_stripes_expensive;
enum blk_zoned_model zoned;
+
+ /*
+ * Drivers that set dma_alignment to less than 511 must be prepared to
+ * handle individual bvec's that are not a multiple of a SECTOR_SIZE
+ * due to possible offsets.
+ */
+ unsigned int dma_alignment;
};
typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx,
@@ -456,12 +463,6 @@ struct request_queue {
unsigned long nr_requests; /* Max # of requests */
unsigned int dma_pad_mask;
- /*
- * Drivers that set dma_alignment to less than 511 must be prepared to
- * handle individual bvec's that are not a multiple of a SECTOR_SIZE
- * due to possible offsets.
- */
- unsigned int dma_alignment;
#ifdef CONFIG_BLK_INLINE_ENCRYPTION
struct blk_crypto_profile *crypto_profile;
@@ -944,7 +945,6 @@ extern void blk_queue_io_min(struct request_queue *q, unsigned int min);
extern void blk_limits_io_opt(struct queue_limits *limits, unsigned int opt);
extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt);
extern void blk_set_queue_depth(struct request_queue *q, unsigned int depth);
-extern void blk_set_default_limits(struct queue_limits *lim);
extern void blk_set_stacking_limits(struct queue_limits *lim);
extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
sector_t offset);
@@ -1324,7 +1324,7 @@ static inline sector_t bdev_zone_sectors(struct block_device *bdev)
static inline int queue_dma_alignment(const struct request_queue *q)
{
- return q ? q->dma_alignment : 511;
+ return q ? q->limits.dma_alignment : 511;
}
static inline unsigned int bdev_dma_alignment(struct block_device *bdev)
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 0566705c1d4e..c1bd1bd10506 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -27,7 +27,7 @@
#include <linux/bpfptr.h>
#include <linux/btf.h>
#include <linux/rcupdate_trace.h>
-#include <linux/init.h>
+#include <linux/static_call.h>
struct bpf_verifier_env;
struct bpf_verifier_log;
@@ -315,7 +315,7 @@ static inline void __copy_map_value(struct bpf_map *map, void *dst, void *src, b
u32 next_off = map->off_arr->field_off[i];
memcpy(dst + curr_off, src + curr_off, next_off - curr_off);
- curr_off += map->off_arr->field_sz[i];
+ curr_off = next_off + map->off_arr->field_sz[i];
}
memcpy(dst + curr_off, src + curr_off, map->value_size - curr_off);
}
@@ -344,7 +344,7 @@ static inline void zero_map_value(struct bpf_map *map, void *dst)
u32 next_off = map->off_arr->field_off[i];
memset(dst + curr_off, 0, next_off - curr_off);
- curr_off += map->off_arr->field_sz[i];
+ curr_off = next_off + map->off_arr->field_sz[i];
}
memset(dst + curr_off, 0, map->value_size - curr_off);
}
@@ -954,6 +954,10 @@ struct bpf_dispatcher {
void *rw_image;
u32 image_off;
struct bpf_ksym ksym;
+#ifdef CONFIG_HAVE_STATIC_CALL
+ struct static_call_key *sc_key;
+ void *sc_tramp;
+#endif
};
static __always_inline __nocfi unsigned int bpf_dispatcher_nop_func(
@@ -971,7 +975,33 @@ struct bpf_trampoline *bpf_trampoline_get(u64 key,
struct bpf_attach_target_info *tgt_info);
void bpf_trampoline_put(struct bpf_trampoline *tr);
int arch_prepare_bpf_dispatcher(void *image, void *buf, s64 *funcs, int num_funcs);
-int __init bpf_arch_init_dispatcher_early(void *ip);
+
+/*
+ * When the architecture supports STATIC_CALL replace the bpf_dispatcher_fn
+ * indirection with a direct call to the bpf program. If the architecture does
+ * not have STATIC_CALL, avoid a double-indirection.
+ */
+#ifdef CONFIG_HAVE_STATIC_CALL
+
+#define __BPF_DISPATCHER_SC_INIT(_name) \
+ .sc_key = &STATIC_CALL_KEY(_name), \
+ .sc_tramp = STATIC_CALL_TRAMP_ADDR(_name),
+
+#define __BPF_DISPATCHER_SC(name) \
+ DEFINE_STATIC_CALL(bpf_dispatcher_##name##_call, bpf_dispatcher_nop_func)
+
+#define __BPF_DISPATCHER_CALL(name) \
+ static_call(bpf_dispatcher_##name##_call)(ctx, insnsi, bpf_func)
+
+#define __BPF_DISPATCHER_UPDATE(_d, _new) \
+ __static_call_update((_d)->sc_key, (_d)->sc_tramp, (_new))
+
+#else
+#define __BPF_DISPATCHER_SC_INIT(name)
+#define __BPF_DISPATCHER_SC(name)
+#define __BPF_DISPATCHER_CALL(name) bpf_func(ctx, insnsi)
+#define __BPF_DISPATCHER_UPDATE(_d, _new)
+#endif
#define BPF_DISPATCHER_INIT(_name) { \
.mutex = __MUTEX_INITIALIZER(_name.mutex), \
@@ -984,34 +1014,21 @@ int __init bpf_arch_init_dispatcher_early(void *ip);
.name = #_name, \
.lnode = LIST_HEAD_INIT(_name.ksym.lnode), \
}, \
+ __BPF_DISPATCHER_SC_INIT(_name##_call) \
}
-#define BPF_DISPATCHER_INIT_CALL(_name) \
- static int __init _name##_init(void) \
- { \
- return bpf_arch_init_dispatcher_early(_name##_func); \
- } \
- early_initcall(_name##_init)
-
-#ifdef CONFIG_X86_64
-#define BPF_DISPATCHER_ATTRIBUTES __attribute__((patchable_function_entry(5)))
-#else
-#define BPF_DISPATCHER_ATTRIBUTES
-#endif
-
#define DEFINE_BPF_DISPATCHER(name) \
- notrace BPF_DISPATCHER_ATTRIBUTES \
+ __BPF_DISPATCHER_SC(name); \
noinline __nocfi unsigned int bpf_dispatcher_##name##_func( \
const void *ctx, \
const struct bpf_insn *insnsi, \
bpf_func_t bpf_func) \
{ \
- return bpf_func(ctx, insnsi); \
+ return __BPF_DISPATCHER_CALL(name); \
} \
EXPORT_SYMBOL(bpf_dispatcher_##name##_func); \
struct bpf_dispatcher bpf_dispatcher_##name = \
- BPF_DISPATCHER_INIT(bpf_dispatcher_##name); \
- BPF_DISPATCHER_INIT_CALL(bpf_dispatcher_##name);
+ BPF_DISPATCHER_INIT(bpf_dispatcher_##name);
#define DECLARE_BPF_DISPATCHER(name) \
unsigned int bpf_dispatcher_##name##_func( \
@@ -1019,6 +1036,7 @@ int __init bpf_arch_init_dispatcher_early(void *ip);
const struct bpf_insn *insnsi, \
bpf_func_t bpf_func); \
extern struct bpf_dispatcher bpf_dispatcher_##name;
+
#define BPF_DISPATCHER_FUNC(name) bpf_dispatcher_##name##_func
#define BPF_DISPATCHER_PTR(name) (&bpf_dispatcher_##name)
void bpf_dispatcher_change_prog(struct bpf_dispatcher *d, struct bpf_prog *from,
diff --git a/include/linux/can/platform/sja1000.h b/include/linux/can/platform/sja1000.h
index 5755ae5a4712..6a869682c120 100644
--- a/include/linux/can/platform/sja1000.h
+++ b/include/linux/can/platform/sja1000.h
@@ -14,7 +14,7 @@
#define OCR_MODE_TEST 0x01
#define OCR_MODE_NORMAL 0x02
#define OCR_MODE_CLOCK 0x03
-#define OCR_MODE_MASK 0x07
+#define OCR_MODE_MASK 0x03
#define OCR_TX0_INVERT 0x04
#define OCR_TX0_PULLDOWN 0x08
#define OCR_TX0_PULLUP 0x10
diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h
index 9f6e25467844..444236dadcf0 100644
--- a/include/linux/fault-inject.h
+++ b/include/linux/fault-inject.h
@@ -20,7 +20,6 @@ struct fault_attr {
atomic_t space;
unsigned long verbose;
bool task_filter;
- bool no_warn;
unsigned long stacktrace_depth;
unsigned long require_start;
unsigned long require_end;
@@ -32,6 +31,10 @@ struct fault_attr {
struct dentry *dname;
};
+enum fault_flags {
+ FAULT_NOWARN = 1 << 0,
+};
+
#define FAULT_ATTR_INITIALIZER { \
.interval = 1, \
.times = ATOMIC_INIT(1), \
@@ -40,11 +43,11 @@ struct fault_attr {
.ratelimit_state = RATELIMIT_STATE_INIT_DISABLED, \
.verbose = 2, \
.dname = NULL, \
- .no_warn = false, \
}
#define DECLARE_FAULT_ATTR(name) struct fault_attr name = FAULT_ATTR_INITIALIZER
int setup_fault_attr(struct fault_attr *attr, char *str);
+bool should_fail_ex(struct fault_attr *attr, ssize_t size, int flags);
bool should_fail(struct fault_attr *attr, ssize_t size);
#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
diff --git a/include/linux/fs.h b/include/linux/fs.h
index e654435f1651..59ae95ddb679 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2089,6 +2089,14 @@ struct dir_context {
*/
#define REMAP_FILE_ADVISORY (REMAP_FILE_CAN_SHORTEN)
+/*
+ * These flags control the behavior of vfs_copy_file_range().
+ * They are not available to the user via syscall.
+ *
+ * COPY_FILE_SPLICE: call splice direct instead of fs clone/copy ops
+ */
+#define COPY_FILE_SPLICE (1 << 0)
+
struct iov_iter;
struct io_uring_cmd;
diff --git a/include/linux/fscache.h b/include/linux/fscache.h
index 36e5dd84cf59..8e312c8323a8 100644
--- a/include/linux/fscache.h
+++ b/include/linux/fscache.h
@@ -75,7 +75,7 @@ struct fscache_volume {
atomic_t n_accesses; /* Number of cache accesses in progress */
unsigned int debug_id;
unsigned int key_hash; /* Hash of key string */
- char *key; /* Volume ID, eg. "afs@example.com@1234" */
+ u8 *key; /* Volume ID, eg. "afs@example.com@1234" */
struct list_head proc_link; /* Link in /proc/fs/fscache/volumes */
struct hlist_bl_node hash_link; /* Link in hash table */
struct work_struct work;
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index ef4aea3b356e..65a78773dcca 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -210,6 +210,20 @@ alloc_pages_bulk_array_node(gfp_t gfp, int nid, unsigned long nr_pages, struct p
return __alloc_pages_bulk(gfp, nid, NULL, nr_pages, NULL, page_array);
}
+static inline void warn_if_node_offline(int this_node, gfp_t gfp_mask)
+{
+ gfp_t warn_gfp = gfp_mask & (__GFP_THISNODE|__GFP_NOWARN);
+
+ if (warn_gfp != (__GFP_THISNODE|__GFP_NOWARN))
+ return;
+
+ if (node_online(this_node))
+ return;
+
+ pr_warn("%pGg allocation from offline node %d\n", &gfp_mask, this_node);
+ dump_stack();
+}
+
/*
* Allocate pages, preferring the node given as nid. The node must be valid and
* online. For more general interface, see alloc_pages_node().
@@ -218,7 +232,7 @@ static inline struct page *
__alloc_pages_node(int nid, gfp_t gfp_mask, unsigned int order)
{
VM_BUG_ON(nid < 0 || nid >= MAX_NUMNODES);
- VM_WARN_ON((gfp_mask & __GFP_THISNODE) && !node_online(nid));
+ warn_if_node_offline(nid, gfp_mask);
return __alloc_pages(gfp_mask, order, nid, NULL);
}
@@ -227,7 +241,7 @@ static inline
struct folio *__folio_alloc_node(gfp_t gfp, unsigned int order, int nid)
{
VM_BUG_ON(nid < 0 || nid >= MAX_NUMNODES);
- VM_WARN_ON((gfp & __GFP_THISNODE) && !node_online(nid));
+ warn_if_node_offline(nid, gfp);
return __folio_alloc(gfp, order, nid, NULL);
}
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h
index 43bc8a2edccf..0ded9e271523 100644
--- a/include/linux/io_uring.h
+++ b/include/linux/io_uring.h
@@ -16,6 +16,9 @@ enum io_uring_cmd_flags {
IO_URING_F_SQE128 = 4,
IO_URING_F_CQE32 = 8,
IO_URING_F_IOPOLL = 16,
+
+ /* the request is executed from poll, it should not be freed */
+ IO_URING_F_MULTISHOT = 32,
};
struct io_uring_cmd {
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 18592bdf4c1b..637a60607c7d 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -776,6 +776,7 @@ struct kvm {
struct srcu_struct srcu;
struct srcu_struct irq_srcu;
pid_t userspace_pid;
+ bool override_halt_poll_ns;
unsigned int max_halt_poll_ns;
u32 dirty_ring_size;
bool vm_bugged;
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index af2ceb4160bc..06cbad166225 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -981,6 +981,7 @@ struct mlx5_async_work {
struct mlx5_async_ctx *ctx;
mlx5_async_cbk_t user_callback;
u16 opcode; /* cmd opcode */
+ u16 op_mod; /* cmd op_mod */
void *out; /* pointer to the cmd output buffer */
};
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 8bbcccbc5565..974ccca609d2 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1852,6 +1852,25 @@ static void __maybe_unused show_free_areas(unsigned int flags, nodemask_t *nodem
__show_free_areas(flags, nodemask, MAX_NR_ZONES - 1);
}
+/*
+ * Parameter block passed down to zap_pte_range in exceptional cases.
+ */
+struct zap_details {
+ struct folio *single_folio; /* Locked folio to be unmapped */
+ bool even_cows; /* Zap COWed private pages too? */
+ zap_flags_t zap_flags; /* Extra flags for zapping */
+};
+
+/*
+ * Whether to drop the pte markers, for example, the uffd-wp information for
+ * file-backed memory. This should only be specified when we will completely
+ * drop the page in the mm, either by truncation or unmapping of the vma. By
+ * default, the flag is not set.
+ */
+#define ZAP_FLAG_DROP_MARKER ((__force zap_flags_t) BIT(0))
+/* Set in unmap_vmas() to indicate a final unmap call. Only used by hugetlb */
+#define ZAP_FLAG_UNMAP ((__force zap_flags_t) BIT(1))
+
#ifdef CONFIG_MMU
extern bool can_do_mlock(void);
#else
@@ -1869,6 +1888,8 @@ void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
unsigned long size);
void zap_page_range(struct vm_area_struct *vma, unsigned long address,
unsigned long size);
+void zap_page_range_single(struct vm_area_struct *vma, unsigned long address,
+ unsigned long size, struct zap_details *details);
void unmap_vmas(struct mmu_gather *tlb, struct maple_tree *mt,
struct vm_area_struct *start_vma, unsigned long start,
unsigned long end);
@@ -3467,12 +3488,4 @@ madvise_set_anon_name(struct mm_struct *mm, unsigned long start,
}
#endif
-/*
- * Whether to drop the pte markers, for example, the uffd-wp information for
- * file-backed memory. This should only be specified when we will completely
- * drop the page in the mm, either by truncation or unmapping of the vma. By
- * default, the flag is not set.
- */
-#define ZAP_FLAG_DROP_MARKER ((__force zap_flags_t) BIT(0))
-
#endif /* _LINUX_MM_H */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 9c50bc40f8ff..6f7993803ee7 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -451,7 +451,7 @@ static inline bool mmc_ready_for_data(u32 status)
#define MMC_SECURE_TRIM1_ARG 0x80000001
#define MMC_SECURE_TRIM2_ARG 0x80008000
#define MMC_SECURE_ARGS 0x80000000
-#define MMC_TRIM_ARGS 0x00008001
+#define MMC_TRIM_OR_DISCARD_ARGS 0x00008003
#define mmc_driver_type_mask(n) (1 << (n))
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index a108b60a6962..5f0d7d0b9471 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -165,6 +165,13 @@ static inline pte_t *virt_to_kpte(unsigned long vaddr)
return pmd_none(*pmd) ? NULL : pte_offset_kernel(pmd, vaddr);
}
+#ifndef pmd_young
+static inline int pmd_young(pmd_t pmd)
+{
+ return 0;
+}
+#endif
+
#ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
extern int ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep,
@@ -260,6 +267,17 @@ static inline int pmdp_clear_flush_young(struct vm_area_struct *vma,
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
#endif
+#ifndef arch_has_hw_nonleaf_pmd_young
+/*
+ * Return whether the accessed bit in non-leaf PMD entries is supported on the
+ * local CPU.
+ */
+static inline bool arch_has_hw_nonleaf_pmd_young(void)
+{
+ return IS_ENABLED(CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG);
+}
+#endif
+
#ifndef arch_has_hw_pte_young
/*
* Return whether the accessed bit is supported on the local CPU.
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index 2504df9a0453..3c7d295746f6 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -100,7 +100,7 @@ __ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *k
int ring_buffer_wait(struct trace_buffer *buffer, int cpu, int full);
__poll_t ring_buffer_poll_wait(struct trace_buffer *buffer, int cpu,
- struct file *filp, poll_table *poll_table);
+ struct file *filp, poll_table *poll_table, int full);
void ring_buffer_wake_waiters(struct trace_buffer *buffer, int cpu);
#define RING_BUFFER_ALL_CPUS -1
diff --git a/include/linux/trace.h b/include/linux/trace.h
index b5e16e438448..80ffda871749 100644
--- a/include/linux/trace.h
+++ b/include/linux/trace.h
@@ -26,13 +26,13 @@ struct trace_export {
int flags;
};
+struct trace_array;
+
#ifdef CONFIG_TRACING
int register_ftrace_export(struct trace_export *export);
int unregister_ftrace_export(struct trace_export *export);
-struct trace_array;
-
void trace_printk_init_buffers(void);
__printf(3, 4)
int trace_array_printk(struct trace_array *tr, unsigned long ip,
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index e7cebeb875dd..fdd393f70b19 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -189,6 +189,7 @@ int vfio_register_emulated_iommu_dev(struct vfio_device *device);
void vfio_unregister_group_dev(struct vfio_device *device);
int vfio_assign_device_set(struct vfio_device *device, void *set_id);
+unsigned int vfio_device_set_open_count(struct vfio_device_set *dev_set);
int vfio_mig_get_next_state(struct vfio_device *device,
enum vfio_device_mig_state cur_fsm,
generated by cgit (git 2.34.1) at 2025-08-31 20:39:34 +0000