summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/bpf-cgroup.h4
-rw-r--r--include/linux/bpf_types.h1
-rw-r--r--include/linux/bpf_verifier.h3
-rw-r--r--include/linux/device.h2
-rw-r--r--include/linux/filter.h15
-rw-r--r--include/linux/fs_context.h1
-rw-r--r--include/linux/inetdevice.h2
-rw-r--r--include/linux/intel-ish-client-if.h2
-rw-r--r--include/linux/io-pgtable.h7
-rw-r--r--include/linux/iommu.h80
-rw-r--r--include/linux/irq.h2
-rw-r--r--include/linux/mhi.h7
-rw-r--r--include/linux/mlx5/driver.h3
-rw-r--r--include/linux/msi.h2
-rw-r--r--include/linux/netfilter/ipset/ip_set.h3
-rw-r--r--include/linux/once.h4
-rw-r--r--include/linux/security.h3
-rw-r--r--include/linux/serial_core.h24
-rw-r--r--include/linux/skmsg.h54
-rw-r--r--include/linux/tee_drv.h2
-rw-r--r--include/linux/usb/otg-fsm.h1
21 files changed, 180 insertions, 42 deletions
diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h
index 8b77d08d4b47..6c9b10d82c80 100644
--- a/include/linux/bpf-cgroup.h
+++ b/include/linux/bpf-cgroup.h
@@ -201,8 +201,8 @@ static inline void bpf_cgroup_storage_unset(void)
{
int i;
- for (i = 0; i < BPF_CGROUP_STORAGE_NEST_MAX; i++) {
- if (unlikely(this_cpu_read(bpf_cgroup_storage_info[i].task) != current))
+ for (i = BPF_CGROUP_STORAGE_NEST_MAX - 1; i >= 0; i--) {
+ if (likely(this_cpu_read(bpf_cgroup_storage_info[i].task) != current))
continue;
this_cpu_write(bpf_cgroup_storage_info[i].task, NULL);
diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h
index a9db1eae6796..ae3ac3a2018c 100644
--- a/include/linux/bpf_types.h
+++ b/include/linux/bpf_types.h
@@ -134,4 +134,5 @@ BPF_LINK_TYPE(BPF_LINK_TYPE_CGROUP, cgroup)
BPF_LINK_TYPE(BPF_LINK_TYPE_ITER, iter)
#ifdef CONFIG_NET
BPF_LINK_TYPE(BPF_LINK_TYPE_NETNS, netns)
+BPF_LINK_TYPE(BPF_LINK_TYPE_XDP, xdp)
#endif
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index e774ecc1cd1f..828d08afeee0 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -340,8 +340,8 @@ struct bpf_insn_aux_data {
};
u64 map_key_state; /* constant (32 bit) key tracking for maps */
int ctx_field_size; /* the ctx field size for load insn, maybe 0 */
- int sanitize_stack_off; /* stack slot to be cleared */
u32 seen; /* this insn was processed by the verifier at env->pass_cnt */
+ bool sanitize_stack_spill; /* subject to Spectre v4 sanitation */
bool zext_dst; /* this insn zero extends dst reg */
u8 alu_state; /* used in combination with alu_limit */
@@ -414,6 +414,7 @@ struct bpf_verifier_env {
u32 used_map_cnt; /* number of used maps */
u32 used_btf_cnt; /* number of used BTF objects */
u32 id_gen; /* used to generate unique reg IDs */
+ bool explore_alu_limits;
bool allow_ptr_leaks;
bool allow_uninit_stack;
bool allow_ptr_to_map_access;
diff --git a/include/linux/device.h b/include/linux/device.h
index 59940f1744c1..65d84b67b024 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -407,6 +407,7 @@ struct dev_links_info {
* @em_pd: device's energy model performance domain
* @pins: For device pin management.
* See Documentation/driver-api/pin-control.rst for details.
+ * @msi_lock: Lock to protect MSI mask cache and mask register
* @msi_list: Hosts MSI descriptors
* @msi_domain: The generic MSI domain this device is using.
* @numa_node: NUMA node this device is close to.
@@ -506,6 +507,7 @@ struct device {
struct dev_pin_info *pins;
#endif
#ifdef CONFIG_GENERIC_MSI_IRQ
+ raw_spinlock_t msi_lock;
struct list_head msi_list;
#endif
#ifdef CONFIG_DMA_OPS
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 472f97074da0..83b896044e79 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -73,6 +73,11 @@ struct ctl_table_header;
/* unused opcode to mark call to interpreter with arguments */
#define BPF_CALL_ARGS 0xe0
+/* unused opcode to mark speculation barrier for mitigating
+ * Speculative Store Bypass
+ */
+#define BPF_NOSPEC 0xc0
+
/* As per nm, we expose JITed images as text (code) section for
* kallsyms. That way, tools like perf can find it to match
* addresses.
@@ -390,6 +395,16 @@ static inline bool insn_is_zext(const struct bpf_insn *insn)
.off = 0, \
.imm = 0 })
+/* Speculation barrier */
+
+#define BPF_ST_NOSPEC() \
+ ((struct bpf_insn) { \
+ .code = BPF_ST | BPF_NOSPEC, \
+ .dst_reg = 0, \
+ .src_reg = 0, \
+ .off = 0, \
+ .imm = 0 })
+
/* Internal classic blocks for direct assignment */
#define __BPF_STMT(CODE, K) \
diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h
index e2bc16300c82..6b54982fc5f3 100644
--- a/include/linux/fs_context.h
+++ b/include/linux/fs_context.h
@@ -141,6 +141,7 @@ extern int vfs_get_tree(struct fs_context *fc);
extern void put_fs_context(struct fs_context *fc);
extern int vfs_parse_fs_param_source(struct fs_context *fc,
struct fs_parameter *param);
+extern void fc_drop_locked(struct fs_context *fc);
/*
* sget() wrappers to be called from the ->get_tree() op.
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 53aa0343bf69..aaf4f1b4c277 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -41,7 +41,7 @@ struct in_device {
unsigned long mr_qri; /* Query Response Interval */
unsigned char mr_qrv; /* Query Robustness Variable */
unsigned char mr_gq_running;
- unsigned char mr_ifc_count;
+ u32 mr_ifc_count;
struct timer_list mr_gq_timer; /* general query timer */
struct timer_list mr_ifc_timer; /* interface change timer */
diff --git a/include/linux/intel-ish-client-if.h b/include/linux/intel-ish-client-if.h
index 25e2b4e80502..aee8ff4739b1 100644
--- a/include/linux/intel-ish-client-if.h
+++ b/include/linux/intel-ish-client-if.h
@@ -81,6 +81,8 @@ int ishtp_register_event_cb(struct ishtp_cl_device *device,
/* Get the device * from ishtp device instance */
struct device *ishtp_device(struct ishtp_cl_device *cl_device);
+/* wait for IPC resume */
+bool ishtp_wait_resume(struct ishtp_device *dev);
/* Trace interface for clients */
ishtp_print_log ishtp_trace_callback(struct ishtp_cl_device *cl_device);
/* Get device pointer of PCI device for DMA acces */
diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h
index 9ba6d9ea316e..86af6f0a00a2 100644
--- a/include/linux/io-pgtable.h
+++ b/include/linux/io-pgtable.h
@@ -16,6 +16,7 @@ enum io_pgtable_fmt {
ARM_V7S,
ARM_MALI_LPAE,
AMD_IOMMU_V1,
+ APPLE_DART,
IO_PGTABLE_NUM_FMTS,
};
@@ -131,6 +132,11 @@ struct io_pgtable_cfg {
u64 transtab;
u64 memattr;
} arm_mali_lpae_cfg;
+
+ struct {
+ u64 ttbr[4];
+ u32 n_ttbrs;
+ } apple_dart_cfg;
};
};
@@ -249,5 +255,6 @@ extern struct io_pgtable_init_fns io_pgtable_arm_64_lpae_s2_init_fns;
extern struct io_pgtable_init_fns io_pgtable_arm_v7s_init_fns;
extern struct io_pgtable_init_fns io_pgtable_arm_mali_lpae_init_fns;
extern struct io_pgtable_init_fns io_pgtable_amd_iommu_v1_init_fns;
+extern struct io_pgtable_init_fns io_pgtable_apple_dart_init_fns;
#endif /* __IO_PGTABLE_H */
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 923a8d1c5e39..6633040a13f9 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -523,29 +523,80 @@ static inline void iommu_iotlb_sync(struct iommu_domain *domain,
iommu_iotlb_gather_init(iotlb_gather);
}
+/**
+ * iommu_iotlb_gather_is_disjoint - Checks whether a new range is disjoint
+ *
+ * @gather: TLB gather data
+ * @iova: start of page to invalidate
+ * @size: size of page to invalidate
+ *
+ * Helper for IOMMU drivers to check whether a new range and the gathered range
+ * are disjoint. For many IOMMUs, flushing the IOMMU in this case is better
+ * than merging the two, which might lead to unnecessary invalidations.
+ */
+static inline
+bool iommu_iotlb_gather_is_disjoint(struct iommu_iotlb_gather *gather,
+ unsigned long iova, size_t size)
+{
+ unsigned long start = iova, end = start + size - 1;
+
+ return gather->end != 0 &&
+ (end + 1 < gather->start || start > gather->end + 1);
+}
+
+
+/**
+ * iommu_iotlb_gather_add_range - Gather for address-based TLB invalidation
+ * @gather: TLB gather data
+ * @iova: start of page to invalidate
+ * @size: size of page to invalidate
+ *
+ * Helper for IOMMU drivers to build arbitrarily-sized invalidation commands
+ * where only the address range matters, and simply minimising intermediate
+ * syncs is preferred.
+ */
+static inline void iommu_iotlb_gather_add_range(struct iommu_iotlb_gather *gather,
+ unsigned long iova, size_t size)
+{
+ unsigned long end = iova + size - 1;
+
+ if (gather->start > iova)
+ gather->start = iova;
+ if (gather->end < end)
+ gather->end = end;
+}
+
+/**
+ * iommu_iotlb_gather_add_page - Gather for page-based TLB invalidation
+ * @domain: IOMMU domain to be invalidated
+ * @gather: TLB gather data
+ * @iova: start of page to invalidate
+ * @size: size of page to invalidate
+ *
+ * Helper for IOMMU drivers to build invalidation commands based on individual
+ * pages, or with page size/table level hints which cannot be gathered if they
+ * differ.
+ */
static inline void iommu_iotlb_gather_add_page(struct iommu_domain *domain,
struct iommu_iotlb_gather *gather,
unsigned long iova, size_t size)
{
- unsigned long start = iova, end = start + size - 1;
-
/*
* If the new page is disjoint from the current range or is mapped at
* a different granularity, then sync the TLB so that the gather
* structure can be rewritten.
*/
- if (gather->pgsize != size ||
- end + 1 < gather->start || start > gather->end + 1) {
- if (gather->pgsize)
- iommu_iotlb_sync(domain, gather);
- gather->pgsize = size;
- }
+ if ((gather->pgsize && gather->pgsize != size) ||
+ iommu_iotlb_gather_is_disjoint(gather, iova, size))
+ iommu_iotlb_sync(domain, gather);
- if (gather->end < end)
- gather->end = end;
+ gather->pgsize = size;
+ iommu_iotlb_gather_add_range(gather, iova, size);
+}
- if (gather->start > start)
- gather->start = start;
+static inline bool iommu_iotlb_gather_queued(struct iommu_iotlb_gather *gather)
+{
+ return gather && gather->queued;
}
/* PCI device grouping function */
@@ -896,6 +947,11 @@ static inline void iommu_iotlb_gather_add_page(struct iommu_domain *domain,
{
}
+static inline bool iommu_iotlb_gather_queued(struct iommu_iotlb_gather *gather)
+{
+ return false;
+}
+
static inline void iommu_device_unregister(struct iommu_device *iommu)
{
}
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 8e9a9ae471a6..c8293c817646 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -569,6 +569,7 @@ struct irq_chip {
* IRQCHIP_SUPPORTS_NMI: Chip can deliver NMIs, only for root irqchips
* IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND: Invokes __enable_irq()/__disable_irq() for wake irqs
* in the suspend path if they are in disabled state
+ * IRQCHIP_AFFINITY_PRE_STARTUP: Default affinity update before startup
*/
enum {
IRQCHIP_SET_TYPE_MASKED = (1 << 0),
@@ -581,6 +582,7 @@ enum {
IRQCHIP_SUPPORTS_LEVEL_MSI = (1 << 7),
IRQCHIP_SUPPORTS_NMI = (1 << 8),
IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND = (1 << 9),
+ IRQCHIP_AFFINITY_PRE_STARTUP = (1 << 10),
};
#include <linux/irqdesc.h>
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index 944aa3aa3035..5e08468854db 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -719,8 +719,13 @@ void mhi_device_put(struct mhi_device *mhi_dev);
* host and device execution environments match and
* channels are in a DISABLED state.
* @mhi_dev: Device associated with the channels
+ * @flags: MHI channel flags
*/
-int mhi_prepare_for_transfer(struct mhi_device *mhi_dev);
+int mhi_prepare_for_transfer(struct mhi_device *mhi_dev,
+ unsigned int flags);
+
+/* Automatically allocate and queue inbound buffers */
+#define MHI_CH_INBOUND_ALLOC_BUFS BIT(0)
/**
* mhi_unprepare_from_transfer - Reset UL and DL channels for data transfer.
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 1efe37466969..25a8be58d289 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -1044,8 +1044,7 @@ void mlx5_unregister_debugfs(void);
void mlx5_fill_page_array(struct mlx5_frag_buf *buf, __be64 *pas);
void mlx5_fill_page_frag_array_perm(struct mlx5_frag_buf *buf, __be64 *pas, u8 perm);
void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas);
-int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
- unsigned int *irqn);
+int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn);
int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 6aff469e511d..e8bdcb83172b 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -233,7 +233,7 @@ void __pci_read_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
u32 __pci_msix_desc_mask_irq(struct msi_desc *desc, u32 flag);
-u32 __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag);
+void __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag);
void pci_msi_mask_irq(struct irq_data *data);
void pci_msi_unmask_irq(struct irq_data *data);
diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h
index 10279c4830ac..ada1296c87d5 100644
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -196,6 +196,9 @@ struct ip_set_region {
u32 elements; /* Number of elements vs timeout */
};
+/* Max range where every element is added/deleted in one step */
+#define IPSET_MAX_RANGE (1<<20)
+
/* The max revision number supported by any set type + 1 */
#define IPSET_REVISION_MAX 9
diff --git a/include/linux/once.h b/include/linux/once.h
index 9225ee6d96c7..ae6f4eb41cbe 100644
--- a/include/linux/once.h
+++ b/include/linux/once.h
@@ -7,7 +7,7 @@
bool __do_once_start(bool *done, unsigned long *flags);
void __do_once_done(bool *done, struct static_key_true *once_key,
- unsigned long *flags);
+ unsigned long *flags, struct module *mod);
/* Call a function exactly once. The idea of DO_ONCE() is to perform
* a function call such as initialization of random seeds, etc, only
@@ -46,7 +46,7 @@ void __do_once_done(bool *done, struct static_key_true *once_key,
if (unlikely(___ret)) { \
func(__VA_ARGS__); \
__do_once_done(&___done, &___once_key, \
- &___flags); \
+ &___flags, THIS_MODULE); \
} \
} \
___ret; \
diff --git a/include/linux/security.h b/include/linux/security.h
index 24eda04221e9..5b7288521300 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -120,10 +120,11 @@ enum lockdown_reason {
LOCKDOWN_MMIOTRACE,
LOCKDOWN_DEBUGFS,
LOCKDOWN_XMON_WR,
+ LOCKDOWN_BPF_WRITE_USER,
LOCKDOWN_INTEGRITY_MAX,
LOCKDOWN_KCORE,
LOCKDOWN_KPROBES,
- LOCKDOWN_BPF_READ,
+ LOCKDOWN_BPF_READ_KERNEL,
LOCKDOWN_PERF,
LOCKDOWN_TRACEFS,
LOCKDOWN_XMON_RW,
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 52d7fb92a69d..c58cc142d23f 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -518,6 +518,25 @@ static inline void uart_unlock_and_check_sysrq(struct uart_port *port)
if (sysrq_ch)
handle_sysrq(sysrq_ch);
}
+
+static inline void uart_unlock_and_check_sysrq_irqrestore(struct uart_port *port,
+ unsigned long flags)
+{
+ int sysrq_ch;
+
+ if (!port->has_sysrq) {
+ spin_unlock_irqrestore(&port->lock, flags);
+ return;
+ }
+
+ sysrq_ch = port->sysrq_ch;
+ port->sysrq_ch = 0;
+
+ spin_unlock_irqrestore(&port->lock, flags);
+
+ if (sysrq_ch)
+ handle_sysrq(sysrq_ch);
+}
#else /* CONFIG_MAGIC_SYSRQ_SERIAL */
static inline int uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
{
@@ -531,6 +550,11 @@ static inline void uart_unlock_and_check_sysrq(struct uart_port *port)
{
spin_unlock(&port->lock);
}
+static inline void uart_unlock_and_check_sysrq_irqrestore(struct uart_port *port,
+ unsigned long flags)
+{
+ spin_unlock_irqrestore(&port->lock, flags);
+}
#endif /* CONFIG_MAGIC_SYSRQ_SERIAL */
/*
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h
index 96f319099744..14ab0c0bc924 100644
--- a/include/linux/skmsg.h
+++ b/include/linux/skmsg.h
@@ -285,11 +285,45 @@ static inline struct sk_psock *sk_psock(const struct sock *sk)
return rcu_dereference_sk_user_data(sk);
}
+static inline void sk_psock_set_state(struct sk_psock *psock,
+ enum sk_psock_state_bits bit)
+{
+ set_bit(bit, &psock->state);
+}
+
+static inline void sk_psock_clear_state(struct sk_psock *psock,
+ enum sk_psock_state_bits bit)
+{
+ clear_bit(bit, &psock->state);
+}
+
+static inline bool sk_psock_test_state(const struct sk_psock *psock,
+ enum sk_psock_state_bits bit)
+{
+ return test_bit(bit, &psock->state);
+}
+
+static inline void sock_drop(struct sock *sk, struct sk_buff *skb)
+{
+ sk_drops_add(sk, skb);
+ kfree_skb(skb);
+}
+
+static inline void drop_sk_msg(struct sk_psock *psock, struct sk_msg *msg)
+{
+ if (msg->skb)
+ sock_drop(psock->sk, msg->skb);
+ kfree(msg);
+}
+
static inline void sk_psock_queue_msg(struct sk_psock *psock,
struct sk_msg *msg)
{
spin_lock_bh(&psock->ingress_lock);
- list_add_tail(&msg->list, &psock->ingress_msg);
+ if (sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED))
+ list_add_tail(&msg->list, &psock->ingress_msg);
+ else
+ drop_sk_msg(psock, msg);
spin_unlock_bh(&psock->ingress_lock);
}
@@ -406,24 +440,6 @@ static inline void sk_psock_restore_proto(struct sock *sk,
psock->psock_update_sk_prot(sk, psock, true);
}
-static inline void sk_psock_set_state(struct sk_psock *psock,
- enum sk_psock_state_bits bit)
-{
- set_bit(bit, &psock->state);
-}
-
-static inline void sk_psock_clear_state(struct sk_psock *psock,
- enum sk_psock_state_bits bit)
-{
- clear_bit(bit, &psock->state);
-}
-
-static inline bool sk_psock_test_state(const struct sk_psock *psock,
- enum sk_psock_state_bits bit)
-{
- return test_bit(bit, &psock->state);
-}
-
static inline struct sk_psock *sk_psock_get(struct sock *sk)
{
struct sk_psock *psock;
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h
index 54269e47ac9a..3ebfea0781f1 100644
--- a/include/linux/tee_drv.h
+++ b/include/linux/tee_drv.h
@@ -27,6 +27,7 @@
#define TEE_SHM_USER_MAPPED BIT(4) /* Memory mapped in user space */
#define TEE_SHM_POOL BIT(5) /* Memory allocated from pool */
#define TEE_SHM_KERNEL_MAPPED BIT(6) /* Memory mapped in kernel space */
+#define TEE_SHM_PRIV BIT(7) /* Memory private to TEE driver */
struct device;
struct tee_device;
@@ -332,6 +333,7 @@ void *tee_get_drvdata(struct tee_device *teedev);
* @returns a pointer to 'struct tee_shm'
*/
struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags);
+struct tee_shm *tee_shm_alloc_kernel_buf(struct tee_context *ctx, size_t size);
/**
* tee_shm_register() - Register shared memory buffer
diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h
index 3aee78dda16d..784659d4dc99 100644
--- a/include/linux/usb/otg-fsm.h
+++ b/include/linux/usb/otg-fsm.h
@@ -196,6 +196,7 @@ struct otg_fsm {
struct mutex lock;
u8 *host_req_flag;
struct delayed_work hnp_polling_work;
+ bool hnp_work_inited;
bool state_changed;
};