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-rw-r--r--include/linux/cec-funcs.h78
-rw-r--r--include/linux/cec.h5
-rw-r--r--include/linux/compiler.h7
-rw-r--r--include/linux/cpuhotplug.h2
-rw-r--r--include/linux/efi.h27
-rw-r--r--include/linux/fsnotify_backend.h6
-rw-r--r--include/linux/irq.h10
-rw-r--r--include/linux/pagemap.h38
-rw-r--r--include/linux/uio.h2
9 files changed, 139 insertions, 36 deletions
diff --git a/include/linux/cec-funcs.h b/include/linux/cec-funcs.h
index 82c3d3b7269d..138bbf721e70 100644
--- a/include/linux/cec-funcs.h
+++ b/include/linux/cec-funcs.h
@@ -162,10 +162,11 @@ static inline void cec_msg_standby(struct cec_msg *msg)
/* One Touch Record Feature */
-static inline void cec_msg_record_off(struct cec_msg *msg)
+static inline void cec_msg_record_off(struct cec_msg *msg, bool reply)
{
msg->len = 2;
msg->msg[1] = CEC_MSG_RECORD_OFF;
+ msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
}
struct cec_op_arib_data {
@@ -227,7 +228,7 @@ static inline void cec_set_digital_service_id(__u8 *msg,
if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
*msg++ = (digital->channel.channel_number_fmt << 2) |
(digital->channel.major >> 8);
- *msg++ = digital->channel.major && 0xff;
+ *msg++ = digital->channel.major & 0xff;
*msg++ = digital->channel.minor >> 8;
*msg++ = digital->channel.minor & 0xff;
*msg++ = 0;
@@ -323,6 +324,7 @@ static inline void cec_msg_record_on_phys_addr(struct cec_msg *msg,
}
static inline void cec_msg_record_on(struct cec_msg *msg,
+ bool reply,
const struct cec_op_record_src *rec_src)
{
switch (rec_src->type) {
@@ -346,6 +348,7 @@ static inline void cec_msg_record_on(struct cec_msg *msg,
rec_src->ext_phys_addr.phys_addr);
break;
}
+ msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
}
static inline void cec_ops_record_on(const struct cec_msg *msg,
@@ -1141,6 +1144,75 @@ static inline void cec_msg_give_device_vendor_id(struct cec_msg *msg,
msg->reply = reply ? CEC_MSG_DEVICE_VENDOR_ID : 0;
}
+static inline void cec_msg_vendor_command(struct cec_msg *msg,
+ __u8 size, const __u8 *vendor_cmd)
+{
+ if (size > 14)
+ size = 14;
+ msg->len = 2 + size;
+ msg->msg[1] = CEC_MSG_VENDOR_COMMAND;
+ memcpy(msg->msg + 2, vendor_cmd, size);
+}
+
+static inline void cec_ops_vendor_command(const struct cec_msg *msg,
+ __u8 *size,
+ const __u8 **vendor_cmd)
+{
+ *size = msg->len - 2;
+
+ if (*size > 14)
+ *size = 14;
+ *vendor_cmd = msg->msg + 2;
+}
+
+static inline void cec_msg_vendor_command_with_id(struct cec_msg *msg,
+ __u32 vendor_id, __u8 size,
+ const __u8 *vendor_cmd)
+{
+ if (size > 11)
+ size = 11;
+ msg->len = 5 + size;
+ msg->msg[1] = CEC_MSG_VENDOR_COMMAND_WITH_ID;
+ msg->msg[2] = vendor_id >> 16;
+ msg->msg[3] = (vendor_id >> 8) & 0xff;
+ msg->msg[4] = vendor_id & 0xff;
+ memcpy(msg->msg + 5, vendor_cmd, size);
+}
+
+static inline void cec_ops_vendor_command_with_id(const struct cec_msg *msg,
+ __u32 *vendor_id, __u8 *size,
+ const __u8 **vendor_cmd)
+{
+ *size = msg->len - 5;
+
+ if (*size > 11)
+ *size = 11;
+ *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4];
+ *vendor_cmd = msg->msg + 5;
+}
+
+static inline void cec_msg_vendor_remote_button_down(struct cec_msg *msg,
+ __u8 size,
+ const __u8 *rc_code)
+{
+ if (size > 14)
+ size = 14;
+ msg->len = 2 + size;
+ msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN;
+ memcpy(msg->msg + 2, rc_code, size);
+}
+
+static inline void cec_ops_vendor_remote_button_down(const struct cec_msg *msg,
+ __u8 *size,
+ const __u8 **rc_code)
+{
+ *size = msg->len - 2;
+
+ if (*size > 14)
+ *size = 14;
+ *rc_code = msg->msg + 2;
+}
+
static inline void cec_msg_vendor_remote_button_up(struct cec_msg *msg)
{
msg->len = 2;
@@ -1277,7 +1349,7 @@ static inline void cec_msg_user_control_pressed(struct cec_msg *msg,
msg->len += 4;
msg->msg[3] = (ui_cmd->channel_identifier.channel_number_fmt << 2) |
(ui_cmd->channel_identifier.major >> 8);
- msg->msg[4] = ui_cmd->channel_identifier.major && 0xff;
+ msg->msg[4] = ui_cmd->channel_identifier.major & 0xff;
msg->msg[5] = ui_cmd->channel_identifier.minor >> 8;
msg->msg[6] = ui_cmd->channel_identifier.minor & 0xff;
break;
diff --git a/include/linux/cec.h b/include/linux/cec.h
index b3e22893a002..851968e803fa 100644
--- a/include/linux/cec.h
+++ b/include/linux/cec.h
@@ -364,7 +364,7 @@ struct cec_caps {
* @num_log_addrs: how many logical addresses should be claimed. Set by the
* caller.
* @vendor_id: the vendor ID of the device. Set by the caller.
- * @flags: set to 0.
+ * @flags: flags.
* @osd_name: the OSD name of the device. Set by the caller.
* @primary_device_type: the primary device type for each logical address.
* Set by the caller.
@@ -389,6 +389,9 @@ struct cec_log_addrs {
__u8 features[CEC_MAX_LOG_ADDRS][12];
};
+/* Allow a fallback to unregistered */
+#define CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK (1 << 0)
+
/* Events */
/* Event that occurs when the adapter state changes */
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 436aa4e42221..668569844d37 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -527,13 +527,14 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
* object's lifetime is managed by something other than RCU. That
* "something other" might be reference counting or simple immortality.
*
- * The seemingly unused size_t variable is to validate @p is indeed a pointer
- * type by making sure it can be dereferenced.
+ * The seemingly unused variable ___typecheck_p validates that @p is
+ * indeed a pointer type by using a pointer to typeof(*p) as the type.
+ * Taking a pointer to typeof(*p) again is needed in case p is void *.
*/
#define lockless_dereference(p) \
({ \
typeof(p) _________p1 = READ_ONCE(p); \
- size_t __maybe_unused __size_of_ptr = sizeof(*(p)); \
+ typeof(*(p)) *___typecheck_p __maybe_unused; \
smp_read_barrier_depends(); /* Dependency order vs. p above. */ \
(_________p1); \
})
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index 242bf530edfc..34bd80512a0c 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -1,6 +1,8 @@
#ifndef __CPUHOTPLUG_H
#define __CPUHOTPLUG_H
+#include <linux/types.h>
+
enum cpuhp_state {
CPUHP_OFFLINE,
CPUHP_CREATE_THREADS,
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 7f5a58225385..0148a3046b48 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -118,6 +118,15 @@ typedef struct {
u32 imagesize;
} efi_capsule_header_t;
+struct efi_boot_memmap {
+ efi_memory_desc_t **map;
+ unsigned long *map_size;
+ unsigned long *desc_size;
+ u32 *desc_ver;
+ unsigned long *key_ptr;
+ unsigned long *buff_size;
+};
+
/*
* EFI capsule flags
*/
@@ -946,7 +955,7 @@ extern int efi_memattr_apply_permissions(struct mm_struct *mm,
/* Iterate through an efi_memory_map */
#define for_each_efi_memory_desc_in_map(m, md) \
for ((md) = (m)->map; \
- ((void *)(md) + (m)->desc_size) <= (m)->map_end; \
+ (md) && ((void *)(md) + (m)->desc_size) <= (m)->map_end; \
(md) = (void *)(md) + (m)->desc_size)
/**
@@ -1371,11 +1380,7 @@ char *efi_convert_cmdline(efi_system_table_t *sys_table_arg,
efi_loaded_image_t *image, int *cmd_line_len);
efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg,
- efi_memory_desc_t **map,
- unsigned long *map_size,
- unsigned long *desc_size,
- u32 *desc_ver,
- unsigned long *key_ptr);
+ struct efi_boot_memmap *map);
efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
unsigned long size, unsigned long align,
@@ -1457,4 +1462,14 @@ extern void efi_call_virt_check_flags(unsigned long flags, const char *call);
arch_efi_call_virt_teardown(); \
})
+typedef efi_status_t (*efi_exit_boot_map_processing)(
+ efi_system_table_t *sys_table_arg,
+ struct efi_boot_memmap *map,
+ void *priv);
+
+efi_status_t efi_exit_boot_services(efi_system_table_t *sys_table,
+ void *handle,
+ struct efi_boot_memmap *map,
+ void *priv,
+ efi_exit_boot_map_processing priv_func);
#endif /* _LINUX_EFI_H */
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 58205f33af02..7268ed076be8 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -148,6 +148,7 @@ struct fsnotify_group {
#define FS_PRIO_1 1 /* fanotify content based access control */
#define FS_PRIO_2 2 /* fanotify pre-content access */
unsigned int priority;
+ bool shutdown; /* group is being shut down, don't queue more events */
/* stores all fastpath marks assoc with this group so they can be cleaned on unregister */
struct mutex mark_mutex; /* protect marks_list */
@@ -179,7 +180,6 @@ struct fsnotify_group {
spinlock_t access_lock;
struct list_head access_list;
wait_queue_head_t access_waitq;
- atomic_t bypass_perm;
#endif /* CONFIG_FANOTIFY_ACCESS_PERMISSIONS */
int f_flags;
unsigned int max_marks;
@@ -292,6 +292,8 @@ extern struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *op
extern void fsnotify_get_group(struct fsnotify_group *group);
/* drop reference on a group from fsnotify_alloc_group */
extern void fsnotify_put_group(struct fsnotify_group *group);
+/* group destruction begins, stop queuing new events */
+extern void fsnotify_group_stop_queueing(struct fsnotify_group *group);
/* destroy group */
extern void fsnotify_destroy_group(struct fsnotify_group *group);
/* fasync handler function */
@@ -304,8 +306,6 @@ extern int fsnotify_add_event(struct fsnotify_group *group,
struct fsnotify_event *event,
int (*merge)(struct list_head *,
struct fsnotify_event *));
-/* Remove passed event from groups notification queue */
-extern void fsnotify_remove_event(struct fsnotify_group *group, struct fsnotify_event *event);
/* true if the group notification queue is empty */
extern bool fsnotify_notify_queue_is_empty(struct fsnotify_group *group);
/* return, but do not dequeue the first event on the notification queue */
diff --git a/include/linux/irq.h b/include/linux/irq.h
index b52424eaa0ed..0ac26c892fe2 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -945,6 +945,16 @@ static inline void irq_gc_lock(struct irq_chip_generic *gc) { }
static inline void irq_gc_unlock(struct irq_chip_generic *gc) { }
#endif
+/*
+ * The irqsave variants are for usage in non interrupt code. Do not use
+ * them in irq_chip callbacks. Use irq_gc_lock() instead.
+ */
+#define irq_gc_lock_irqsave(gc, flags) \
+ raw_spin_lock_irqsave(&(gc)->lock, flags)
+
+#define irq_gc_unlock_irqrestore(gc, flags) \
+ raw_spin_unlock_irqrestore(&(gc)->lock, flags)
+
static inline void irq_reg_writel(struct irq_chip_generic *gc,
u32 val, int reg_offset)
{
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 66a1260b33de..7e3d53753612 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -571,56 +571,56 @@ static inline int fault_in_pages_readable(const char __user *uaddr, int size)
*/
static inline int fault_in_multipages_writeable(char __user *uaddr, int size)
{
- int ret = 0;
char __user *end = uaddr + size - 1;
if (unlikely(size == 0))
- return ret;
+ return 0;
+ if (unlikely(uaddr > end))
+ return -EFAULT;
/*
* Writing zeroes into userspace here is OK, because we know that if
* the zero gets there, we'll be overwriting it.
*/
- while (uaddr <= end) {
- ret = __put_user(0, uaddr);
- if (ret != 0)
- return ret;
+ do {
+ if (unlikely(__put_user(0, uaddr) != 0))
+ return -EFAULT;
uaddr += PAGE_SIZE;
- }
+ } while (uaddr <= end);
/* Check whether the range spilled into the next page. */
if (((unsigned long)uaddr & PAGE_MASK) ==
((unsigned long)end & PAGE_MASK))
- ret = __put_user(0, end);
+ return __put_user(0, end);
- return ret;
+ return 0;
}
static inline int fault_in_multipages_readable(const char __user *uaddr,
int size)
{
volatile char c;
- int ret = 0;
const char __user *end = uaddr + size - 1;
if (unlikely(size == 0))
- return ret;
+ return 0;
- while (uaddr <= end) {
- ret = __get_user(c, uaddr);
- if (ret != 0)
- return ret;
+ if (unlikely(uaddr > end))
+ return -EFAULT;
+
+ do {
+ if (unlikely(__get_user(c, uaddr) != 0))
+ return -EFAULT;
uaddr += PAGE_SIZE;
- }
+ } while (uaddr <= end);
/* Check whether the range spilled into the next page. */
if (((unsigned long)uaddr & PAGE_MASK) ==
((unsigned long)end & PAGE_MASK)) {
- ret = __get_user(c, end);
- (void)c;
+ return __get_user(c, end);
}
- return ret;
+ return 0;
}
int add_to_page_cache_locked(struct page *page, struct address_space *mapping,
diff --git a/include/linux/uio.h b/include/linux/uio.h
index 1b5d1cd796e2..75b4aaf31a9d 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -76,7 +76,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page,
struct iov_iter *i, unsigned long offset, size_t bytes);
void iov_iter_advance(struct iov_iter *i, size_t bytes);
int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes);
-int iov_iter_fault_in_multipages_readable(struct iov_iter *i, size_t bytes);
+#define iov_iter_fault_in_multipages_readable iov_iter_fault_in_readable
size_t iov_iter_single_seg_count(const struct iov_iter *i);
size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes,
struct iov_iter *i);
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