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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-03-16 11:50:48 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-03-16 11:50:48 +0100
commitde6c925db978004703944585e9dd57d58aba0fac (patch)
tree64aa124199d1121dd8aa103f28f3a76f34435486 /include/linux
parent322a81d35ecdf9997c3bbf676e3547d75f38935a (diff)
parentf338e77383789c0cae23ca3d48adcc5e9e137e3c (diff)
Merge 7.0-rc4 into usb-next
We need the USB fixes in this branch as well to build on top of Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/bpf.h4
-rw-r--r--include/linux/bpf_local_storage.h2
-rw-r--r--include/linux/bpf_mem_alloc.h6
-rw-r--r--include/linux/device/bus.h2
-rw-r--r--include/linux/eventpoll.h11
-rw-r--r--include/linux/firmware/intel/stratix10-svc-client.h8
-rw-r--r--include/linux/fsnotify.h13
-rw-r--r--include/linux/gfp.h11
-rw-r--r--include/linux/gfp_types.h2
-rw-r--r--include/linux/hid.h6
-rw-r--r--include/linux/indirect_call_wrapper.h18
-rw-r--r--include/linux/io_uring_types.h1
-rw-r--r--include/linux/ipv6.h7
-rw-r--r--include/linux/irqchip/arm-gic-v3.h1
-rw-r--r--include/linux/jiffies.h40
-rw-r--r--include/linux/kthread.h21
-rw-r--r--include/linux/kvm_host.h90
-rw-r--r--include/linux/liveupdate.h9
-rw-r--r--include/linux/migrate.h10
-rw-r--r--include/linux/mm.h17
-rw-r--r--include/linux/mmc/host.h9
-rw-r--r--include/linux/mmu_notifier.h31
-rw-r--r--include/linux/netdevice.h59
-rw-r--r--include/linux/ns_common.h2
-rw-r--r--include/linux/nvme-auth.h2
-rw-r--r--include/linux/overflow.h8
-rw-r--r--include/linux/platform_data/mlxreg.h14
-rw-r--r--include/linux/platform_data/x86/int3472.h5
-rw-r--r--include/linux/pm_runtime.h16
-rw-r--r--include/linux/ring_buffer.h1
-rw-r--r--include/linux/rseq.h12
-rw-r--r--include/linux/rseq_entry.h8
-rw-r--r--include/linux/rseq_types.h6
-rw-r--r--include/linux/sched.h3
-rw-r--r--include/linux/slab.h12
-rw-r--r--include/linux/tnum.h3
-rw-r--r--include/linux/uaccess.h58
-rw-r--r--include/linux/usb.h8
-rw-r--r--include/linux/usb/quirks.h3
-rw-r--r--include/linux/usb/r8152.h1
-rw-r--r--include/linux/usb/usbnet.h1
41 files changed, 324 insertions, 217 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index b78b53198a2e..05b34a6355b0 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -124,7 +124,7 @@ struct bpf_map_ops {
u32 (*map_fd_sys_lookup_elem)(void *ptr);
void (*map_seq_show_elem)(struct bpf_map *map, void *key,
struct seq_file *m);
- int (*map_check_btf)(const struct bpf_map *map,
+ int (*map_check_btf)(struct bpf_map *map,
const struct btf *btf,
const struct btf_type *key_type,
const struct btf_type *value_type);
@@ -656,7 +656,7 @@ static inline bool bpf_map_support_seq_show(const struct bpf_map *map)
map->ops->map_seq_show_elem;
}
-int map_check_no_btf(const struct bpf_map *map,
+int map_check_no_btf(struct bpf_map *map,
const struct btf *btf,
const struct btf_type *key_type,
const struct btf_type *value_type);
diff --git a/include/linux/bpf_local_storage.h b/include/linux/bpf_local_storage.h
index 85efa9772530..8157e8da61d4 100644
--- a/include/linux/bpf_local_storage.h
+++ b/include/linux/bpf_local_storage.h
@@ -176,7 +176,7 @@ u32 bpf_local_storage_destroy(struct bpf_local_storage *local_storage);
void bpf_local_storage_map_free(struct bpf_map *map,
struct bpf_local_storage_cache *cache);
-int bpf_local_storage_map_check_btf(const struct bpf_map *map,
+int bpf_local_storage_map_check_btf(struct bpf_map *map,
const struct btf *btf,
const struct btf_type *key_type,
const struct btf_type *value_type);
diff --git a/include/linux/bpf_mem_alloc.h b/include/linux/bpf_mem_alloc.h
index e45162ef59bb..4ce0d27f8ea2 100644
--- a/include/linux/bpf_mem_alloc.h
+++ b/include/linux/bpf_mem_alloc.h
@@ -14,6 +14,8 @@ struct bpf_mem_alloc {
struct obj_cgroup *objcg;
bool percpu;
struct work_struct work;
+ void (*dtor_ctx_free)(void *ctx);
+ void *dtor_ctx;
};
/* 'size != 0' is for bpf_mem_alloc which manages fixed-size objects.
@@ -32,6 +34,10 @@ int bpf_mem_alloc_percpu_init(struct bpf_mem_alloc *ma, struct obj_cgroup *objcg
/* The percpu allocation with a specific unit size. */
int bpf_mem_alloc_percpu_unit_init(struct bpf_mem_alloc *ma, int size);
void bpf_mem_alloc_destroy(struct bpf_mem_alloc *ma);
+void bpf_mem_alloc_set_dtor(struct bpf_mem_alloc *ma,
+ void (*dtor)(void *obj, void *ctx),
+ void (*dtor_ctx_free)(void *ctx),
+ void *ctx);
/* Check the allocation size for kmalloc equivalent allocator */
int bpf_mem_alloc_check_size(bool percpu, size_t size);
diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
index 99c3c83ea520..63de5f053c33 100644
--- a/include/linux/device/bus.h
+++ b/include/linux/device/bus.h
@@ -35,6 +35,8 @@ struct fwnode_handle;
* otherwise. It may also return error code if determining that
* the driver supports the device is not possible. In case of
* -EPROBE_DEFER it will queue the device for deferred probing.
+ * Note: This callback may be invoked with or without the device
+ * lock held.
* @uevent: Called when a device is added, removed, or a few other things
* that generate uevents to add the environment variables.
* @probe: Called when a new device or driver add to this bus, and callback
diff --git a/include/linux/eventpoll.h b/include/linux/eventpoll.h
index ccb478eb174b..ea9ca0e4172a 100644
--- a/include/linux/eventpoll.h
+++ b/include/linux/eventpoll.h
@@ -82,11 +82,14 @@ static inline struct epoll_event __user *
epoll_put_uevent(__poll_t revents, __u64 data,
struct epoll_event __user *uevent)
{
- if (__put_user(revents, &uevent->events) ||
- __put_user(data, &uevent->data))
- return NULL;
-
+ scoped_user_write_access_size(uevent, sizeof(*uevent), efault) {
+ unsafe_put_user(revents, &uevent->events, efault);
+ unsafe_put_user(data, &uevent->data, efault);
+ }
return uevent+1;
+
+efault:
+ return NULL;
}
#endif
diff --git a/include/linux/firmware/intel/stratix10-svc-client.h b/include/linux/firmware/intel/stratix10-svc-client.h
index d290060f4c73..91013161e9db 100644
--- a/include/linux/firmware/intel/stratix10-svc-client.h
+++ b/include/linux/firmware/intel/stratix10-svc-client.h
@@ -68,12 +68,12 @@
* timeout value used in Stratix10 FPGA manager driver.
* timeout value used in RSU driver
*/
-#define SVC_RECONFIG_REQUEST_TIMEOUT_MS 300
-#define SVC_RECONFIG_BUFFER_TIMEOUT_MS 720
-#define SVC_RSU_REQUEST_TIMEOUT_MS 300
+#define SVC_RECONFIG_REQUEST_TIMEOUT_MS 5000
+#define SVC_RECONFIG_BUFFER_TIMEOUT_MS 5000
+#define SVC_RSU_REQUEST_TIMEOUT_MS 2000
#define SVC_FCS_REQUEST_TIMEOUT_MS 2000
#define SVC_COMPLETED_TIMEOUT_MS 30000
-#define SVC_HWMON_REQUEST_TIMEOUT_MS 300
+#define SVC_HWMON_REQUEST_TIMEOUT_MS 2000
struct stratix10_svc_chan;
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 28a9cb13fbfa..079c18bcdbde 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -495,19 +495,6 @@ static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
fsnotify_dentry(dentry, mask);
}
-static inline int fsnotify_sb_error(struct super_block *sb, struct inode *inode,
- int error)
-{
- struct fs_error_report report = {
- .error = error,
- .inode = inode,
- .sb = sb,
- };
-
- return fsnotify(FS_ERROR, &report, FSNOTIFY_EVENT_ERROR,
- NULL, NULL, NULL, 0);
-}
-
static inline void fsnotify_mnt_attach(struct mnt_namespace *ns, struct vfsmount *mnt)
{
fsnotify_mnt(FS_MNT_ATTACH, ns, mnt);
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 2b30a0529d48..51ef13ed756e 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -14,8 +14,8 @@ struct vm_area_struct;
struct mempolicy;
/* Helper macro to avoid gfp flags if they are the default one */
-#define __default_gfp(a,...) a
-#define default_gfp(...) __default_gfp(__VA_ARGS__ __VA_OPT__(,) GFP_KERNEL)
+#define __default_gfp(a,b,...) b
+#define default_gfp(...) __default_gfp(,##__VA_ARGS__,GFP_KERNEL)
/* Convert GFP flags to their corresponding migrate type */
#define GFP_MOVABLE_MASK (__GFP_RECLAIMABLE|__GFP_MOVABLE)
@@ -339,8 +339,11 @@ static inline struct folio *folio_alloc_mpol_noprof(gfp_t gfp, unsigned int orde
{
return folio_alloc_noprof(gfp, order);
}
-#define vma_alloc_folio_noprof(gfp, order, vma, addr) \
- folio_alloc_noprof(gfp, order)
+static inline struct folio *vma_alloc_folio_noprof(gfp_t gfp, int order,
+ struct vm_area_struct *vma, unsigned long addr)
+{
+ return folio_alloc_noprof(gfp, order);
+}
#endif
#define alloc_pages(...) alloc_hooks(alloc_pages_noprof(__VA_ARGS__))
diff --git a/include/linux/gfp_types.h b/include/linux/gfp_types.h
index 814bb2892f99..6c75df30a281 100644
--- a/include/linux/gfp_types.h
+++ b/include/linux/gfp_types.h
@@ -139,6 +139,8 @@ enum {
* %__GFP_ACCOUNT causes the allocation to be accounted to kmemcg.
*
* %__GFP_NO_OBJ_EXT causes slab allocation to have no object extension.
+ * mark_obj_codetag_empty() should be called upon freeing for objects allocated
+ * with this flag to indicate that their NULL tags are expected and normal.
*/
#define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE)
#define __GFP_WRITE ((__force gfp_t)___GFP_WRITE)
diff --git a/include/linux/hid.h b/include/linux/hid.h
index dce862cafbbd..2990b9f94cb5 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -836,6 +836,12 @@ struct hid_usage_id {
* raw_event and event should return negative on error, any other value will
* pass the event on to .event() typically return 0 for success.
*
+ * report_fixup must return a report descriptor pointer whose lifetime is at
+ * least that of the input rdesc. This is usually done by mutating the input
+ * rdesc and returning it or a sub-portion of it. In case a new buffer is
+ * allocated and returned, the implementation of report_fixup is responsible for
+ * freeing it later.
+ *
* input_mapping shall return a negative value to completely ignore this usage
* (e.g. doubled or invalid usage), zero to continue with parsing of this
* usage by generic code (no special handling needed) or positive to skip
diff --git a/include/linux/indirect_call_wrapper.h b/include/linux/indirect_call_wrapper.h
index 35227d47cfc9..dc272b514a01 100644
--- a/include/linux/indirect_call_wrapper.h
+++ b/include/linux/indirect_call_wrapper.h
@@ -16,22 +16,26 @@
*/
#define INDIRECT_CALL_1(f, f1, ...) \
({ \
- likely(f == f1) ? f1(__VA_ARGS__) : f(__VA_ARGS__); \
+ typeof(f) __f1 = (f); \
+ likely(__f1 == f1) ? f1(__VA_ARGS__) : __f1(__VA_ARGS__); \
})
#define INDIRECT_CALL_2(f, f2, f1, ...) \
({ \
- likely(f == f2) ? f2(__VA_ARGS__) : \
- INDIRECT_CALL_1(f, f1, __VA_ARGS__); \
+ typeof(f) __f2 = (f); \
+ likely(__f2 == f2) ? f2(__VA_ARGS__) : \
+ INDIRECT_CALL_1(__f2, f1, __VA_ARGS__); \
})
#define INDIRECT_CALL_3(f, f3, f2, f1, ...) \
({ \
- likely(f == f3) ? f3(__VA_ARGS__) : \
- INDIRECT_CALL_2(f, f2, f1, __VA_ARGS__); \
+ typeof(f) __f3 = (f); \
+ likely(__f3 == f3) ? f3(__VA_ARGS__) : \
+ INDIRECT_CALL_2(__f3, f2, f1, __VA_ARGS__); \
})
#define INDIRECT_CALL_4(f, f4, f3, f2, f1, ...) \
({ \
- likely(f == f4) ? f4(__VA_ARGS__) : \
- INDIRECT_CALL_3(f, f3, f2, f1, __VA_ARGS__); \
+ typeof(f) __f4 = (f); \
+ likely(__f4 == f4) ? f4(__VA_ARGS__) : \
+ INDIRECT_CALL_3(__f4, f3, f2, f1, __VA_ARGS__); \
})
#define INDIRECT_CALLABLE_DECLARE(f) f
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h
index 3e4a82a6f817..dd1420bfcb73 100644
--- a/include/linux/io_uring_types.h
+++ b/include/linux/io_uring_types.h
@@ -388,6 +388,7 @@ struct io_ring_ctx {
* regularly bounce b/w CPUs.
*/
struct {
+ struct io_rings __rcu *rings_rcu;
struct llist_head work_llist;
struct llist_head retry_llist;
unsigned long check_cq;
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 443053a76dcf..a7421382a916 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -333,7 +333,12 @@ struct tcp6_timewait_sock {
};
#if IS_ENABLED(CONFIG_IPV6)
-bool ipv6_mod_enabled(void);
+extern int disable_ipv6_mod;
+
+static inline bool ipv6_mod_enabled(void)
+{
+ return disable_ipv6_mod == 0;
+}
static inline struct ipv6_pinfo *inet6_sk(const struct sock *__sk)
{
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index 70c0948f978e..0225121f3013 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -394,6 +394,7 @@
#define GITS_TYPER_VLPIS (1UL << 1)
#define GITS_TYPER_ITT_ENTRY_SIZE_SHIFT 4
#define GITS_TYPER_ITT_ENTRY_SIZE GENMASK_ULL(7, 4)
+#define GITS_TYPER_IDBITS GENMASK_ULL(12, 8)
#define GITS_TYPER_IDBITS_SHIFT 8
#define GITS_TYPER_DEVBITS_SHIFT 13
#define GITS_TYPER_DEVBITS GENMASK_ULL(17, 13)
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index fdef2c155c27..d1c3d4941854 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -434,8 +434,44 @@ extern unsigned long preset_lpj;
/*
* Convert various time units to each other:
*/
-extern unsigned int jiffies_to_msecs(const unsigned long j);
-extern unsigned int jiffies_to_usecs(const unsigned long j);
+
+#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ)
+/**
+ * jiffies_to_msecs - Convert jiffies to milliseconds
+ * @j: jiffies value
+ *
+ * This inline version takes care of HZ in {100,250,1000}.
+ *
+ * Return: milliseconds value
+ */
+static inline unsigned int jiffies_to_msecs(const unsigned long j)
+{
+ return (MSEC_PER_SEC / HZ) * j;
+}
+#else
+unsigned int jiffies_to_msecs(const unsigned long j);
+#endif
+
+#if !(USEC_PER_SEC % HZ)
+/**
+ * jiffies_to_usecs - Convert jiffies to microseconds
+ * @j: jiffies value
+ *
+ * Return: microseconds value
+ */
+static inline unsigned int jiffies_to_usecs(const unsigned long j)
+{
+ /*
+ * Hz usually doesn't go much further MSEC_PER_SEC.
+ * jiffies_to_usecs() and usecs_to_jiffies() depend on that.
+ */
+ BUILD_BUG_ON(HZ > USEC_PER_SEC);
+
+ return (USEC_PER_SEC / HZ) * j;
+}
+#else
+unsigned int jiffies_to_usecs(const unsigned long j);
+#endif
/**
* jiffies_to_nsecs - Convert jiffies to nanoseconds
diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index c92c1149ee6e..a01a474719a7 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -7,6 +7,24 @@
struct mm_struct;
+/* opaque kthread data */
+struct kthread;
+
+/*
+ * When "(p->flags & PF_KTHREAD)" is set the task is a kthread and will
+ * always remain a kthread. For kthreads p->worker_private always
+ * points to a struct kthread. For tasks that are not kthreads
+ * p->worker_private is used to point to other things.
+ *
+ * Return NULL for any task that is not a kthread.
+ */
+static inline struct kthread *tsk_is_kthread(struct task_struct *p)
+{
+ if (p->flags & PF_KTHREAD)
+ return p->worker_private;
+ return NULL;
+}
+
__printf(4, 5)
struct task_struct *kthread_create_on_node(int (*threadfn)(void *data),
void *data,
@@ -98,9 +116,10 @@ void *kthread_probe_data(struct task_struct *k);
int kthread_park(struct task_struct *k);
void kthread_unpark(struct task_struct *k);
void kthread_parkme(void);
-void kthread_exit(long result) __noreturn;
+#define kthread_exit(result) do_exit(result)
void kthread_complete_and_exit(struct completion *, long) __noreturn;
int kthreads_update_housekeeping(void);
+void kthread_do_exit(struct kthread *, long);
int kthreadd(void *unused);
extern struct task_struct *kthreadd_task;
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index dde605cb894e..6b76e7a6f4c2 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -253,7 +253,6 @@ bool kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu);
#endif
-#ifdef CONFIG_KVM_GENERIC_MMU_NOTIFIER
union kvm_mmu_notifier_arg {
unsigned long attributes;
};
@@ -275,7 +274,6 @@ struct kvm_gfn_range {
bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range);
bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range);
bool kvm_test_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range);
-#endif
enum {
OUTSIDE_GUEST_MODE,
@@ -849,13 +847,12 @@ struct kvm {
struct hlist_head irq_ack_notifier_list;
#endif
-#ifdef CONFIG_KVM_GENERIC_MMU_NOTIFIER
struct mmu_notifier mmu_notifier;
unsigned long mmu_invalidate_seq;
long mmu_invalidate_in_progress;
gfn_t mmu_invalidate_range_start;
gfn_t mmu_invalidate_range_end;
-#endif
+
struct list_head devices;
u64 manual_dirty_log_protect;
struct dentry *debugfs_dentry;
@@ -1943,56 +1940,43 @@ enum kvm_stat_kind {
struct kvm_stat_data {
struct kvm *kvm;
- const struct _kvm_stats_desc *desc;
+ const struct kvm_stats_desc *desc;
enum kvm_stat_kind kind;
};
-struct _kvm_stats_desc {
- struct kvm_stats_desc desc;
- char name[KVM_STATS_NAME_SIZE];
-};
-
-#define STATS_DESC_COMMON(type, unit, base, exp, sz, bsz) \
- .flags = type | unit | base | \
- BUILD_BUG_ON_ZERO(type & ~KVM_STATS_TYPE_MASK) | \
- BUILD_BUG_ON_ZERO(unit & ~KVM_STATS_UNIT_MASK) | \
- BUILD_BUG_ON_ZERO(base & ~KVM_STATS_BASE_MASK), \
- .exponent = exp, \
- .size = sz, \
+#define STATS_DESC_COMMON(type, unit, base, exp, sz, bsz) \
+ .flags = type | unit | base | \
+ BUILD_BUG_ON_ZERO(type & ~KVM_STATS_TYPE_MASK) | \
+ BUILD_BUG_ON_ZERO(unit & ~KVM_STATS_UNIT_MASK) | \
+ BUILD_BUG_ON_ZERO(base & ~KVM_STATS_BASE_MASK), \
+ .exponent = exp, \
+ .size = sz, \
.bucket_size = bsz
-#define VM_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
- { \
- { \
- STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
- .offset = offsetof(struct kvm_vm_stat, generic.stat) \
- }, \
- .name = #stat, \
- }
-#define VCPU_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
- { \
- { \
- STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
- .offset = offsetof(struct kvm_vcpu_stat, generic.stat) \
- }, \
- .name = #stat, \
- }
-#define VM_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
- { \
- { \
- STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
- .offset = offsetof(struct kvm_vm_stat, stat) \
- }, \
- .name = #stat, \
- }
-#define VCPU_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
- { \
- { \
- STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
- .offset = offsetof(struct kvm_vcpu_stat, stat) \
- }, \
- .name = #stat, \
- }
+#define VM_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
+{ \
+ STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
+ .offset = offsetof(struct kvm_vm_stat, generic.stat), \
+ .name = #stat, \
+}
+#define VCPU_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
+{ \
+ STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
+ .offset = offsetof(struct kvm_vcpu_stat, generic.stat), \
+ .name = #stat, \
+}
+#define VM_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
+{ \
+ STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
+ .offset = offsetof(struct kvm_vm_stat, stat), \
+ .name = #stat, \
+}
+#define VCPU_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \
+{ \
+ STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \
+ .offset = offsetof(struct kvm_vcpu_stat, stat), \
+ .name = #stat, \
+}
/* SCOPE: VM, VM_GENERIC, VCPU, VCPU_GENERIC */
#define STATS_DESC(SCOPE, stat, type, unit, base, exp, sz, bsz) \
SCOPE##_STATS_DESC(stat, type, unit, base, exp, sz, bsz)
@@ -2069,7 +2053,7 @@ struct _kvm_stats_desc {
STATS_DESC_IBOOLEAN(VCPU_GENERIC, blocking)
ssize_t kvm_stats_read(char *id, const struct kvm_stats_header *header,
- const struct _kvm_stats_desc *desc,
+ const struct kvm_stats_desc *desc,
void *stats, size_t size_stats,
char __user *user_buffer, size_t size, loff_t *offset);
@@ -2114,11 +2098,10 @@ static inline void kvm_stats_log_hist_update(u64 *data, size_t size, u64 value)
extern const struct kvm_stats_header kvm_vm_stats_header;
-extern const struct _kvm_stats_desc kvm_vm_stats_desc[];
+extern const struct kvm_stats_desc kvm_vm_stats_desc[];
extern const struct kvm_stats_header kvm_vcpu_stats_header;
-extern const struct _kvm_stats_desc kvm_vcpu_stats_desc[];
+extern const struct kvm_stats_desc kvm_vcpu_stats_desc[];
-#ifdef CONFIG_KVM_GENERIC_MMU_NOTIFIER
static inline int mmu_invalidate_retry(struct kvm *kvm, unsigned long mmu_seq)
{
if (unlikely(kvm->mmu_invalidate_in_progress))
@@ -2196,7 +2179,6 @@ static inline bool mmu_invalidate_retry_gfn_unsafe(struct kvm *kvm,
return READ_ONCE(kvm->mmu_invalidate_seq) != mmu_seq;
}
-#endif
#ifdef CONFIG_HAVE_KVM_IRQ_ROUTING
diff --git a/include/linux/liveupdate.h b/include/linux/liveupdate.h
index fe82a6c3005f..dd11fdc76a5f 100644
--- a/include/linux/liveupdate.h
+++ b/include/linux/liveupdate.h
@@ -23,8 +23,11 @@ struct file;
/**
* struct liveupdate_file_op_args - Arguments for file operation callbacks.
* @handler: The file handler being called.
- * @retrieved: The retrieve status for the 'can_finish / finish'
- * operation.
+ * @retrieve_status: The retrieve status for the 'can_finish / finish'
+ * operation. A value of 0 means the retrieve has not been
+ * attempted, a positive value means the retrieve was
+ * successful, and a negative value means the retrieve failed,
+ * and the value is the error code of the call.
* @file: The file object. For retrieve: [OUT] The callback sets
* this to the new file. For other ops: [IN] The caller sets
* this to the file being operated on.
@@ -40,7 +43,7 @@ struct file;
*/
struct liveupdate_file_op_args {
struct liveupdate_file_handler *handler;
- bool retrieved;
+ int retrieve_status;
struct file *file;
u64 serialized_data;
void *private_data;
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 26ca00c325d9..d5af2b7f577b 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -65,7 +65,7 @@ bool isolate_folio_to_list(struct folio *folio, struct list_head *list);
int migrate_huge_page_move_mapping(struct address_space *mapping,
struct folio *dst, struct folio *src);
-void migration_entry_wait_on_locked(softleaf_t entry, spinlock_t *ptl)
+void softleaf_entry_wait_on_locked(softleaf_t entry, spinlock_t *ptl)
__releases(ptl);
void folio_migrate_flags(struct folio *newfolio, struct folio *folio);
int folio_migrate_mapping(struct address_space *mapping,
@@ -97,6 +97,14 @@ static inline int set_movable_ops(const struct movable_operations *ops, enum pag
return -ENOSYS;
}
+static inline void softleaf_entry_wait_on_locked(softleaf_t entry, spinlock_t *ptl)
+ __releases(ptl)
+{
+ WARN_ON_ONCE(1);
+
+ spin_unlock(ptl);
+}
+
#endif /* CONFIG_MIGRATION */
#ifdef CONFIG_NUMA_BALANCING
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 5be3d8a8f806..abb4963c1f06 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3514,26 +3514,21 @@ static inline bool ptlock_init(struct ptdesc *ptdesc) { return true; }
static inline void ptlock_free(struct ptdesc *ptdesc) {}
#endif /* defined(CONFIG_SPLIT_PTE_PTLOCKS) */
-static inline unsigned long ptdesc_nr_pages(const struct ptdesc *ptdesc)
-{
- return compound_nr(ptdesc_page(ptdesc));
-}
-
static inline void __pagetable_ctor(struct ptdesc *ptdesc)
{
- pg_data_t *pgdat = NODE_DATA(memdesc_nid(ptdesc->pt_flags));
+ struct folio *folio = ptdesc_folio(ptdesc);
- __SetPageTable(ptdesc_page(ptdesc));
- mod_node_page_state(pgdat, NR_PAGETABLE, ptdesc_nr_pages(ptdesc));
+ __folio_set_pgtable(folio);
+ lruvec_stat_add_folio(folio, NR_PAGETABLE);
}
static inline void pagetable_dtor(struct ptdesc *ptdesc)
{
- pg_data_t *pgdat = NODE_DATA(memdesc_nid(ptdesc->pt_flags));
+ struct folio *folio = ptdesc_folio(ptdesc);
ptlock_free(ptdesc);
- __ClearPageTable(ptdesc_page(ptdesc));
- mod_node_page_state(pgdat, NR_PAGETABLE, -ptdesc_nr_pages(ptdesc));
+ __folio_clear_pgtable(folio);
+ lruvec_stat_sub_folio(folio, NR_PAGETABLE);
}
static inline void pagetable_dtor_free(struct ptdesc *ptdesc)
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index e0e2c265e5d1..ba84f02c2a10 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -486,14 +486,12 @@ struct mmc_host {
struct mmc_ios ios; /* current io bus settings */
+ bool claimed; /* host exclusively claimed */
+
/* group bitfields together to minimize padding */
unsigned int use_spi_crc:1;
- unsigned int claimed:1; /* host exclusively claimed */
unsigned int doing_init_tune:1; /* initial tuning in progress */
- unsigned int can_retune:1; /* re-tuning can be used */
unsigned int doing_retune:1; /* re-tuning in progress */
- unsigned int retune_now:1; /* do re-tuning at next req */
- unsigned int retune_paused:1; /* re-tuning is temporarily disabled */
unsigned int retune_crc_disable:1; /* don't trigger retune upon crc */
unsigned int can_dma_map_merge:1; /* merging can be used */
unsigned int vqmmc_enabled:1; /* vqmmc regulator is enabled */
@@ -508,6 +506,9 @@ struct mmc_host {
int rescan_disable; /* disable card detection */
int rescan_entered; /* used with nonremovable devices */
+ bool can_retune; /* re-tuning can be used */
+ bool retune_now; /* do re-tuning at next req */
+ bool retune_paused; /* re-tuning is temporarily disabled */
int need_retune; /* re-tuning is needed */
int hold_retune; /* hold off re-tuning */
unsigned int retune_period; /* re-tuning period in secs */
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
index 07a2bbaf86e9..8450e18a87c2 100644
--- a/include/linux/mmu_notifier.h
+++ b/include/linux/mmu_notifier.h
@@ -234,7 +234,7 @@ struct mmu_notifier {
};
/**
- * struct mmu_interval_notifier_ops
+ * struct mmu_interval_notifier_ops - callback for range notification
* @invalidate: Upon return the caller must stop using any SPTEs within this
* range. This function can sleep. Return false only if sleeping
* was required but mmu_notifier_range_blockable(range) is false.
@@ -309,8 +309,8 @@ void mmu_interval_notifier_remove(struct mmu_interval_notifier *interval_sub);
/**
* mmu_interval_set_seq - Save the invalidation sequence
- * @interval_sub - The subscription passed to invalidate
- * @cur_seq - The cur_seq passed to the invalidate() callback
+ * @interval_sub: The subscription passed to invalidate
+ * @cur_seq: The cur_seq passed to the invalidate() callback
*
* This must be called unconditionally from the invalidate callback of a
* struct mmu_interval_notifier_ops under the same lock that is used to call
@@ -329,8 +329,8 @@ mmu_interval_set_seq(struct mmu_interval_notifier *interval_sub,
/**
* mmu_interval_read_retry - End a read side critical section against a VA range
- * interval_sub: The subscription
- * seq: The return of the paired mmu_interval_read_begin()
+ * @interval_sub: The subscription
+ * @seq: The return of the paired mmu_interval_read_begin()
*
* This MUST be called under a user provided lock that is also held
* unconditionally by op->invalidate() when it calls mmu_interval_set_seq().
@@ -338,7 +338,7 @@ mmu_interval_set_seq(struct mmu_interval_notifier *interval_sub,
* Each call should be paired with a single mmu_interval_read_begin() and
* should be used to conclude the read side.
*
- * Returns true if an invalidation collided with this critical section, and
+ * Returns: true if an invalidation collided with this critical section, and
* the caller should retry.
*/
static inline bool
@@ -350,20 +350,21 @@ mmu_interval_read_retry(struct mmu_interval_notifier *interval_sub,
/**
* mmu_interval_check_retry - Test if a collision has occurred
- * interval_sub: The subscription
- * seq: The return of the matching mmu_interval_read_begin()
+ * @interval_sub: The subscription
+ * @seq: The return of the matching mmu_interval_read_begin()
*
* This can be used in the critical section between mmu_interval_read_begin()
- * and mmu_interval_read_retry(). A return of true indicates an invalidation
- * has collided with this critical region and a future
- * mmu_interval_read_retry() will return true.
- *
- * False is not reliable and only suggests a collision may not have
- * occurred. It can be called many times and does not have to hold the user
- * provided lock.
+ * and mmu_interval_read_retry().
*
* This call can be used as part of loops and other expensive operations to
* expedite a retry.
+ * It can be called many times and does not have to hold the user
+ * provided lock.
+ *
+ * Returns: true indicates an invalidation has collided with this critical
+ * region and a future mmu_interval_read_retry() will return true.
+ * False is not reliable and only suggests a collision may not have
+ * occurred.
*/
static inline bool
mmu_interval_check_retry(struct mmu_interval_notifier *interval_sub,
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d4e6e00bb90a..ae269a2e7f4d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3576,17 +3576,49 @@ struct page_pool_bh {
};
DECLARE_PER_CPU(struct page_pool_bh, system_page_pool);
+#define XMIT_RECURSION_LIMIT 8
+
#ifndef CONFIG_PREEMPT_RT
static inline int dev_recursion_level(void)
{
return this_cpu_read(softnet_data.xmit.recursion);
}
+
+static inline bool dev_xmit_recursion(void)
+{
+ return unlikely(__this_cpu_read(softnet_data.xmit.recursion) >
+ XMIT_RECURSION_LIMIT);
+}
+
+static inline void dev_xmit_recursion_inc(void)
+{
+ __this_cpu_inc(softnet_data.xmit.recursion);
+}
+
+static inline void dev_xmit_recursion_dec(void)
+{
+ __this_cpu_dec(softnet_data.xmit.recursion);
+}
#else
static inline int dev_recursion_level(void)
{
return current->net_xmit.recursion;
}
+static inline bool dev_xmit_recursion(void)
+{
+ return unlikely(current->net_xmit.recursion > XMIT_RECURSION_LIMIT);
+}
+
+static inline void dev_xmit_recursion_inc(void)
+{
+ current->net_xmit.recursion++;
+}
+
+static inline void dev_xmit_recursion_dec(void)
+{
+ current->net_xmit.recursion--;
+}
#endif
void __netif_schedule(struct Qdisc *q);
@@ -4711,7 +4743,7 @@ static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits)
static inline void __netif_tx_lock(struct netdev_queue *txq, int cpu)
{
spin_lock(&txq->_xmit_lock);
- /* Pairs with READ_ONCE() in __dev_queue_xmit() */
+ /* Pairs with READ_ONCE() in netif_tx_owned() */
WRITE_ONCE(txq->xmit_lock_owner, cpu);
}
@@ -4729,7 +4761,7 @@ static inline void __netif_tx_release(struct netdev_queue *txq)
static inline void __netif_tx_lock_bh(struct netdev_queue *txq)
{
spin_lock_bh(&txq->_xmit_lock);
- /* Pairs with READ_ONCE() in __dev_queue_xmit() */
+ /* Pairs with READ_ONCE() in netif_tx_owned() */
WRITE_ONCE(txq->xmit_lock_owner, smp_processor_id());
}
@@ -4738,7 +4770,7 @@ static inline bool __netif_tx_trylock(struct netdev_queue *txq)
bool ok = spin_trylock(&txq->_xmit_lock);
if (likely(ok)) {
- /* Pairs with READ_ONCE() in __dev_queue_xmit() */
+ /* Pairs with READ_ONCE() in netif_tx_owned() */
WRITE_ONCE(txq->xmit_lock_owner, smp_processor_id());
}
return ok;
@@ -4746,14 +4778,14 @@ static inline bool __netif_tx_trylock(struct netdev_queue *txq)
static inline void __netif_tx_unlock(struct netdev_queue *txq)
{
- /* Pairs with READ_ONCE() in __dev_queue_xmit() */
+ /* Pairs with READ_ONCE() in netif_tx_owned() */
WRITE_ONCE(txq->xmit_lock_owner, -1);
spin_unlock(&txq->_xmit_lock);
}
static inline void __netif_tx_unlock_bh(struct netdev_queue *txq)
{
- /* Pairs with READ_ONCE() in __dev_queue_xmit() */
+ /* Pairs with READ_ONCE() in netif_tx_owned() */
WRITE_ONCE(txq->xmit_lock_owner, -1);
spin_unlock_bh(&txq->_xmit_lock);
}
@@ -4846,6 +4878,23 @@ static inline void netif_tx_disable(struct net_device *dev)
local_bh_enable();
}
+#ifndef CONFIG_PREEMPT_RT
+static inline bool netif_tx_owned(struct netdev_queue *txq, unsigned int cpu)
+{
+ /* Other cpus might concurrently change txq->xmit_lock_owner
+ * to -1 or to their cpu id, but not to our id.
+ */
+ return READ_ONCE(txq->xmit_lock_owner) == cpu;
+}
+
+#else
+static inline bool netif_tx_owned(struct netdev_queue *txq, unsigned int cpu)
+{
+ return rt_mutex_owner(&txq->_xmit_lock.lock) == current;
+}
+
+#endif
+
static inline void netif_addr_lock(struct net_device *dev)
{
unsigned char nest_level = 0;
diff --git a/include/linux/ns_common.h b/include/linux/ns_common.h
index 825f5865bfc5..c8e227a3f9e2 100644
--- a/include/linux/ns_common.h
+++ b/include/linux/ns_common.h
@@ -55,6 +55,8 @@ static __always_inline bool is_ns_init_id(const struct ns_common *ns)
#define ns_common_free(__ns) __ns_common_free(to_ns_common((__ns)))
+bool may_see_all_namespaces(void);
+
static __always_inline __must_check int __ns_ref_active_read(const struct ns_common *ns)
{
return atomic_read(&ns->__ns_ref_active);
diff --git a/include/linux/nvme-auth.h b/include/linux/nvme-auth.h
index 60e069a6757f..e75c29c51464 100644
--- a/include/linux/nvme-auth.h
+++ b/include/linux/nvme-auth.h
@@ -11,7 +11,7 @@
struct nvme_dhchap_key {
size_t len;
u8 hash;
- u8 key[];
+ u8 key[] __counted_by(len);
};
u32 nvme_auth_get_seqnum(void);
diff --git a/include/linux/overflow.h b/include/linux/overflow.h
index eddd987a8513..a8cb6319b4fb 100644
--- a/include/linux/overflow.h
+++ b/include/linux/overflow.h
@@ -42,7 +42,7 @@
* both the type-agnostic benefits of the macros while also being able to
* enforce that the return value is, in fact, checked.
*/
-static inline bool __must_check __must_check_overflow(bool overflow)
+static __always_inline bool __must_check __must_check_overflow(bool overflow)
{
return unlikely(overflow);
}
@@ -327,7 +327,7 @@ static inline bool __must_check __must_check_overflow(bool overflow)
* with any overflow causing the return value to be SIZE_MAX. The
* lvalue must be size_t to avoid implicit type conversion.
*/
-static inline size_t __must_check size_mul(size_t factor1, size_t factor2)
+static __always_inline size_t __must_check size_mul(size_t factor1, size_t factor2)
{
size_t bytes;
@@ -346,7 +346,7 @@ static inline size_t __must_check size_mul(size_t factor1, size_t factor2)
* with any overflow causing the return value to be SIZE_MAX. The
* lvalue must be size_t to avoid implicit type conversion.
*/
-static inline size_t __must_check size_add(size_t addend1, size_t addend2)
+static __always_inline size_t __must_check size_add(size_t addend1, size_t addend2)
{
size_t bytes;
@@ -367,7 +367,7 @@ static inline size_t __must_check size_add(size_t addend1, size_t addend2)
* argument may be SIZE_MAX (or the result with be forced to SIZE_MAX).
* The lvalue must be size_t to avoid implicit type conversion.
*/
-static inline size_t __must_check size_sub(size_t minuend, size_t subtrahend)
+static __always_inline size_t __must_check size_sub(size_t minuend, size_t subtrahend)
{
size_t bytes;
diff --git a/include/linux/platform_data/mlxreg.h b/include/linux/platform_data/mlxreg.h
index f6cca7a035c7..50b6be57da66 100644
--- a/include/linux/platform_data/mlxreg.h
+++ b/include/linux/platform_data/mlxreg.h
@@ -13,10 +13,10 @@
/**
* enum mlxreg_wdt_type - type of HW watchdog
*
- * TYPE1 HW watchdog implementation exist in old systems.
- * All new systems have TYPE2 HW watchdog.
- * TYPE3 HW watchdog can exist on all systems with new CPLD.
- * TYPE3 is selected by WD capability bit.
+ * @MLX_WDT_TYPE1: HW watchdog implementation in old systems.
+ * @MLX_WDT_TYPE2: All new systems have TYPE2 HW watchdog.
+ * @MLX_WDT_TYPE3: HW watchdog that can exist on all systems with new CPLD.
+ * TYPE3 is selected by WD capability bit.
*/
enum mlxreg_wdt_type {
MLX_WDT_TYPE1,
@@ -35,7 +35,7 @@ enum mlxreg_wdt_type {
* @MLXREG_HOTPLUG_LC_SYNCED: entry for line card synchronization events, coming
* after hardware-firmware synchronization handshake;
* @MLXREG_HOTPLUG_LC_READY: entry for line card ready events, indicating line card
- PHYs ready / unready state;
+ * PHYs ready / unready state;
* @MLXREG_HOTPLUG_LC_ACTIVE: entry for line card active events, indicating firmware
* availability / unavailability for the ports on line card;
* @MLXREG_HOTPLUG_LC_THERMAL: entry for line card thermal shutdown events, positive
@@ -123,8 +123,8 @@ struct mlxreg_hotplug_device {
* @reg_pwr: attribute power register;
* @reg_ena: attribute enable register;
* @mode: access mode;
- * @np - pointer to node platform associated with attribute;
- * @hpdev - hotplug device data;
+ * @np: pointer to node platform associated with attribute;
+ * @hpdev: hotplug device data;
* @notifier: pointer to event notifier block;
* @health_cntr: dynamic device health indication counter;
* @attached: true if device has been attached after good health indication;
diff --git a/include/linux/platform_data/x86/int3472.h b/include/linux/platform_data/x86/int3472.h
index b1b837583d54..dbe745dc88d5 100644
--- a/include/linux/platform_data/x86/int3472.h
+++ b/include/linux/platform_data/x86/int3472.h
@@ -26,6 +26,7 @@
#define INT3472_GPIO_TYPE_POWER_ENABLE 0x0b
#define INT3472_GPIO_TYPE_CLK_ENABLE 0x0c
#define INT3472_GPIO_TYPE_PRIVACY_LED 0x0d
+#define INT3472_GPIO_TYPE_DOVDD 0x10
#define INT3472_GPIO_TYPE_HANDSHAKE 0x12
#define INT3472_GPIO_TYPE_HOTPLUG_DETECT 0x13
@@ -33,8 +34,8 @@
#define INT3472_MAX_SENSOR_GPIOS 3
#define INT3472_MAX_REGULATORS 3
-/* E.g. "avdd\0" */
-#define GPIO_SUPPLY_NAME_LENGTH 5
+/* E.g. "dovdd\0" */
+#define GPIO_SUPPLY_NAME_LENGTH 6
/* 12 chars for acpi_dev_name() + "-", e.g. "ABCD1234:00-" */
#define GPIO_REGULATOR_NAME_LENGTH (12 + GPIO_SUPPLY_NAME_LENGTH)
/* lower- and upper-case mapping */
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 41037c513f06..64921b10ac74 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -545,22 +545,10 @@ static inline int pm_runtime_resume_and_get(struct device *dev)
*
* Decrement the runtime PM usage counter of @dev and if it turns out to be
* equal to 0, queue up a work item for @dev like in pm_request_idle().
- *
- * Return:
- * * 1: Success. Usage counter dropped to zero, but device was already suspended.
- * * 0: Success.
- * * -EINVAL: Runtime PM error.
- * * -EACCES: Runtime PM disabled.
- * * -EAGAIN: Runtime PM usage counter became non-zero or Runtime PM status
- * change ongoing.
- * * -EBUSY: Runtime PM child_count non-zero.
- * * -EPERM: Device PM QoS resume latency 0.
- * * -EINPROGRESS: Suspend already in progress.
- * * -ENOSYS: CONFIG_PM not enabled.
*/
-static inline int pm_runtime_put(struct device *dev)
+static inline void pm_runtime_put(struct device *dev)
{
- return __pm_runtime_idle(dev, RPM_GET_PUT | RPM_ASYNC);
+ __pm_runtime_idle(dev, RPM_GET_PUT | RPM_ASYNC);
}
/**
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index 876358cfe1b1..d862fa610270 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -248,6 +248,7 @@ int trace_rb_cpu_prepare(unsigned int cpu, struct hlist_node *node);
int ring_buffer_map(struct trace_buffer *buffer, int cpu,
struct vm_area_struct *vma);
+void ring_buffer_map_dup(struct trace_buffer *buffer, int cpu);
int ring_buffer_unmap(struct trace_buffer *buffer, int cpu);
int ring_buffer_map_get_reader(struct trace_buffer *buffer, int cpu);
#endif /* _LINUX_RING_BUFFER_H */
diff --git a/include/linux/rseq.h b/include/linux/rseq.h
index 7a01a0760405..b9d62fc2140d 100644
--- a/include/linux/rseq.h
+++ b/include/linux/rseq.h
@@ -146,6 +146,18 @@ static inline void rseq_fork(struct task_struct *t, u64 clone_flags)
t->rseq = current->rseq;
}
+/*
+ * Value returned by getauxval(AT_RSEQ_ALIGN) and expected by rseq
+ * registration. This is the active rseq area size rounded up to next
+ * power of 2, which guarantees that the rseq structure will always be
+ * aligned on the nearest power of two large enough to contain it, even
+ * as it grows.
+ */
+static inline unsigned int rseq_alloc_align(void)
+{
+ return 1U << get_count_order(offsetof(struct rseq, end));
+}
+
#else /* CONFIG_RSEQ */
static inline void rseq_handle_slowpath(struct pt_regs *regs) { }
static inline void rseq_signal_deliver(struct ksignal *ksig, struct pt_regs *regs) { }
diff --git a/include/linux/rseq_entry.h b/include/linux/rseq_entry.h
index cbc4a791618b..c6831c93cd6e 100644
--- a/include/linux/rseq_entry.h
+++ b/include/linux/rseq_entry.h
@@ -216,10 +216,10 @@ efault:
}
#else /* CONFIG_RSEQ_SLICE_EXTENSION */
-static inline bool rseq_slice_extension_enabled(void) { return false; }
-static inline bool rseq_arm_slice_extension_timer(void) { return false; }
-static inline void rseq_slice_clear_grant(struct task_struct *t) { }
-static inline bool rseq_grant_slice_extension(bool work_pending) { return false; }
+static __always_inline bool rseq_slice_extension_enabled(void) { return false; }
+static __always_inline bool rseq_arm_slice_extension_timer(void) { return false; }
+static __always_inline void rseq_slice_clear_grant(struct task_struct *t) { }
+static __always_inline bool rseq_grant_slice_extension(bool work_pending) { return false; }
#endif /* !CONFIG_RSEQ_SLICE_EXTENSION */
bool rseq_debug_update_user_cs(struct task_struct *t, struct pt_regs *regs, unsigned long csaddr);
diff --git a/include/linux/rseq_types.h b/include/linux/rseq_types.h
index da5fa6f40294..0b42045988db 100644
--- a/include/linux/rseq_types.h
+++ b/include/linux/rseq_types.h
@@ -133,10 +133,12 @@ struct rseq_data { };
* @active: MM CID is active for the task
* @cid: The CID associated to the task either permanently or
* borrowed from the CPU
+ * @node: Queued in the per MM MMCID list
*/
struct sched_mm_cid {
unsigned int active;
unsigned int cid;
+ struct hlist_node node;
};
/**
@@ -157,6 +159,7 @@ struct mm_cid_pcpu {
* @work: Regular work to handle the affinity mode change case
* @lock: Spinlock to protect against affinity setting which can't take @mutex
* @mutex: Mutex to serialize forks and exits related to this mm
+ * @user_list: List of the MM CID users of a MM
* @nr_cpus_allowed: The number of CPUs in the per MM allowed CPUs map. The map
* is growth only.
* @users: The number of tasks sharing this MM. Separate from mm::mm_users
@@ -177,13 +180,14 @@ struct mm_mm_cid {
raw_spinlock_t lock;
struct mutex mutex;
+ struct hlist_head user_list;
/* Low frequency modified */
unsigned int nr_cpus_allowed;
unsigned int users;
unsigned int pcpu_thrs;
unsigned int update_deferred;
-}____cacheline_aligned_in_smp;
+} ____cacheline_aligned;
#else /* CONFIG_SCHED_MM_CID */
struct mm_mm_cid { };
struct sched_mm_cid { };
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 074ad4ef3d81..5a5d3dbc9cdf 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -579,6 +579,7 @@ struct sched_entity {
u64 deadline;
u64 min_vruntime;
u64 min_slice;
+ u64 max_slice;
struct list_head group_node;
unsigned char on_rq;
@@ -2353,7 +2354,6 @@ static __always_inline void alloc_tag_restore(struct alloc_tag *tag, struct allo
#ifdef CONFIG_SCHED_MM_CID
void sched_mm_cid_before_execve(struct task_struct *t);
void sched_mm_cid_after_execve(struct task_struct *t);
-void sched_mm_cid_fork(struct task_struct *t);
void sched_mm_cid_exit(struct task_struct *t);
static __always_inline int task_mm_cid(struct task_struct *t)
{
@@ -2362,7 +2362,6 @@ static __always_inline int task_mm_cid(struct task_struct *t)
#else
static inline void sched_mm_cid_before_execve(struct task_struct *t) { }
static inline void sched_mm_cid_after_execve(struct task_struct *t) { }
-static inline void sched_mm_cid_fork(struct task_struct *t) { }
static inline void sched_mm_cid_exit(struct task_struct *t) { }
static __always_inline int task_mm_cid(struct task_struct *t)
{
diff --git a/include/linux/slab.h b/include/linux/slab.h
index a5a5e4108ae5..15a60b501b95 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -517,18 +517,6 @@ void kfree_sensitive(const void *objp);
DEFINE_FREE(kfree, void *, if (!IS_ERR_OR_NULL(_T)) kfree(_T))
DEFINE_FREE(kfree_sensitive, void *, if (_T) kfree_sensitive(_T))
-/**
- * ksize - Report actual allocation size of associated object
- *
- * @objp: Pointer returned from a prior kmalloc()-family allocation.
- *
- * This should not be used for writing beyond the originally requested
- * allocation size. Either use krealloc() or round up the allocation size
- * with kmalloc_size_roundup() prior to allocation. If this is used to
- * access beyond the originally requested allocation size, UBSAN_BOUNDS
- * and/or FORTIFY_SOURCE may trip, since they only know about the
- * originally allocated size via the __alloc_size attribute.
- */
size_t ksize(const void *objp);
#ifdef CONFIG_PRINTK
diff --git a/include/linux/tnum.h b/include/linux/tnum.h
index fa4654ffb621..ca2cfec8de08 100644
--- a/include/linux/tnum.h
+++ b/include/linux/tnum.h
@@ -131,4 +131,7 @@ static inline bool tnum_subreg_is_const(struct tnum a)
return !(tnum_subreg(a)).mask;
}
+/* Returns the smallest member of t larger than z */
+u64 tnum_step(struct tnum t, u64 z);
+
#endif /* _LINUX_TNUM_H */
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 1f3804245c06..4fe63169d5a2 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -647,36 +647,22 @@ static inline void user_access_restore(unsigned long flags) { }
/* Define RW variant so the below _mode macro expansion works */
#define masked_user_rw_access_begin(u) masked_user_access_begin(u)
#define user_rw_access_begin(u, s) user_access_begin(u, s)
-#define user_rw_access_end() user_access_end()
/* Scoped user access */
-#define USER_ACCESS_GUARD(_mode) \
-static __always_inline void __user * \
-class_user_##_mode##_begin(void __user *ptr) \
-{ \
- return ptr; \
-} \
- \
-static __always_inline void \
-class_user_##_mode##_end(void __user *ptr) \
-{ \
- user_##_mode##_access_end(); \
-} \
- \
-DEFINE_CLASS(user_ ##_mode## _access, void __user *, \
- class_user_##_mode##_end(_T), \
- class_user_##_mode##_begin(ptr), void __user *ptr) \
- \
-static __always_inline class_user_##_mode##_access_t \
-class_user_##_mode##_access_ptr(void __user *scope) \
-{ \
- return scope; \
-}
-USER_ACCESS_GUARD(read)
-USER_ACCESS_GUARD(write)
-USER_ACCESS_GUARD(rw)
-#undef USER_ACCESS_GUARD
+/* Cleanup wrapper functions */
+static __always_inline void __scoped_user_read_access_end(const void *p)
+{
+ user_read_access_end();
+};
+static __always_inline void __scoped_user_write_access_end(const void *p)
+{
+ user_write_access_end();
+};
+static __always_inline void __scoped_user_rw_access_end(const void *p)
+{
+ user_access_end();
+};
/**
* __scoped_user_access_begin - Start a scoped user access
@@ -750,13 +736,13 @@ USER_ACCESS_GUARD(rw)
*
* Don't use directly. Use scoped_masked_user_$MODE_access() instead.
*/
-#define __scoped_user_access(mode, uptr, size, elbl) \
-for (bool done = false; !done; done = true) \
- for (void __user *_tmpptr = __scoped_user_access_begin(mode, uptr, size, elbl); \
- !done; done = true) \
- for (CLASS(user_##mode##_access, scope)(_tmpptr); !done; done = true) \
- /* Force modified pointer usage within the scope */ \
- for (const typeof(uptr) uptr = _tmpptr; !done; done = true)
+#define __scoped_user_access(mode, uptr, size, elbl) \
+for (bool done = false; !done; done = true) \
+ for (auto _tmpptr = __scoped_user_access_begin(mode, uptr, size, elbl); \
+ !done; done = true) \
+ /* Force modified pointer usage within the scope */ \
+ for (const auto uptr __cleanup(__scoped_user_##mode##_access_end) = \
+ _tmpptr; !done; done = true)
/**
* scoped_user_read_access_size - Start a scoped user read access with given size
@@ -806,7 +792,7 @@ for (bool done = false; !done; done = true) \
/**
* scoped_user_rw_access_size - Start a scoped user read/write access with given size
- * @uptr Pointer to the user space address to read from and write to
+ * @uptr: Pointer to the user space address to read from and write to
* @size: Size of the access starting from @uptr
* @elbl: Error label to goto when the access region is rejected
*
@@ -817,7 +803,7 @@ for (bool done = false; !done; done = true) \
/**
* scoped_user_rw_access - Start a scoped user read/write access
- * @uptr Pointer to the user space address to read from and write to
+ * @uptr: Pointer to the user space address to read from and write to
* @elbl: Error label to goto when the access region is rejected
*
* The size of the access starting from @uptr is determined via sizeof(*@uptr)).
diff --git a/include/linux/usb.h b/include/linux/usb.h
index fbfcc70b07fb..04277af4bb9d 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1862,14 +1862,18 @@ void usb_free_noncoherent(struct usb_device *dev, size_t size,
* SYNCHRONOUS CALL SUPPORT *
*-------------------------------------------------------------------*/
+/* Maximum value allowed for timeout in synchronous routines below */
+#define USB_MAX_SYNCHRONOUS_TIMEOUT 60000 /* ms */
+
extern int usb_control_msg(struct usb_device *dev, unsigned int pipe,
__u8 request, __u8 requesttype, __u16 value, __u16 index,
void *data, __u16 size, int timeout);
extern int usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe,
void *data, int len, int *actual_length, int timeout);
extern int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe,
- void *data, int len, int *actual_length,
- int timeout);
+ void *data, int len, int *actual_length, int timeout);
+extern int usb_bulk_msg_killable(struct usb_device *usb_dev, unsigned int pipe,
+ void *data, int len, int *actual_length, int timeout);
/* wrappers around usb_control_msg() for the most common standard requests */
int usb_control_msg_send(struct usb_device *dev, __u8 endpoint, __u8 request,
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index 2f7bd2fdc616..b3cc7beab4a3 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -78,4 +78,7 @@
/* skip BOS descriptor request */
#define USB_QUIRK_NO_BOS BIT(17)
+/* Device claims zero configurations, forcing to 1 */
+#define USB_QUIRK_FORCE_ONE_CONFIG BIT(18)
+
#endif /* __LINUX_USB_QUIRKS_H */
diff --git a/include/linux/usb/r8152.h b/include/linux/usb/r8152.h
index 2ca60828f28b..1502b2a355f9 100644
--- a/include/linux/usb/r8152.h
+++ b/include/linux/usb/r8152.h
@@ -32,6 +32,7 @@
#define VENDOR_ID_DLINK 0x2001
#define VENDOR_ID_DELL 0x413c
#define VENDOR_ID_ASUS 0x0b05
+#define VENDOR_ID_TRENDNET 0x20f4
#if IS_REACHABLE(CONFIG_USB_RTL8152)
extern u8 rtl8152_get_version(struct usb_interface *intf);
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index b0e84896e6ac..bbf799ccf3b3 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -132,6 +132,7 @@ struct driver_info {
#define FLAG_MULTI_PACKET 0x2000
#define FLAG_RX_ASSEMBLE 0x4000 /* rx packets may span >1 frames */
#define FLAG_NOARP 0x8000 /* device can't do ARP */
+#define FLAG_NOMAXMTU 0x10000 /* allow max_mtu above hard_mtu */
/* init device ... can sleep, or cause probe() failure */
int (*bind)(struct usbnet *, struct usb_interface *);