Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/async.h b/include/linux/async.h
index 6b0226b..0a17cd2 100644
--- a/include/linux/async.h
+++ b/include/linux/async.h
@@ -1,19 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* async.h: Asynchronous function calls for boot performance
*
* (C) Copyright 2009 Intel Corporation
* Author: Arjan van de Ven <arjan@linux.intel.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; version 2
- * of the License.
*/
#ifndef __ASYNC_H__
#define __ASYNC_H__
#include <linux/types.h>
#include <linux/list.h>
+#include <linux/numa.h>
+#include <linux/device.h>
typedef u64 async_cookie_t;
typedef void (*async_func_t) (void *data, async_cookie_t cookie);
@@ -37,9 +35,83 @@
struct async_domain _name = { .pending = LIST_HEAD_INIT(_name.pending), \
.registered = 0 }
-extern async_cookie_t async_schedule(async_func_t func, void *data);
-extern async_cookie_t async_schedule_domain(async_func_t func, void *data,
- struct async_domain *domain);
+async_cookie_t async_schedule_node(async_func_t func, void *data,
+ int node);
+async_cookie_t async_schedule_node_domain(async_func_t func, void *data,
+ int node,
+ struct async_domain *domain);
+
+/**
+ * async_schedule - schedule a function for asynchronous execution
+ * @func: function to execute asynchronously
+ * @data: data pointer to pass to the function
+ *
+ * Returns an async_cookie_t that may be used for checkpointing later.
+ * Note: This function may be called from atomic or non-atomic contexts.
+ */
+static inline async_cookie_t async_schedule(async_func_t func, void *data)
+{
+ return async_schedule_node(func, data, NUMA_NO_NODE);
+}
+
+/**
+ * async_schedule_domain - schedule a function for asynchronous execution within a certain domain
+ * @func: function to execute asynchronously
+ * @data: data pointer to pass to the function
+ * @domain: the domain
+ *
+ * Returns an async_cookie_t that may be used for checkpointing later.
+ * @domain may be used in the async_synchronize_*_domain() functions to
+ * wait within a certain synchronization domain rather than globally.
+ * Note: This function may be called from atomic or non-atomic contexts.
+ */
+static inline async_cookie_t
+async_schedule_domain(async_func_t func, void *data,
+ struct async_domain *domain)
+{
+ return async_schedule_node_domain(func, data, NUMA_NO_NODE, domain);
+}
+
+/**
+ * async_schedule_dev - A device specific version of async_schedule
+ * @func: function to execute asynchronously
+ * @dev: device argument to be passed to function
+ *
+ * Returns an async_cookie_t that may be used for checkpointing later.
+ * @dev is used as both the argument for the function and to provide NUMA
+ * context for where to run the function. By doing this we can try to
+ * provide for the best possible outcome by operating on the device on the
+ * CPUs closest to the device.
+ * Note: This function may be called from atomic or non-atomic contexts.
+ */
+static inline async_cookie_t
+async_schedule_dev(async_func_t func, struct device *dev)
+{
+ return async_schedule_node(func, dev, dev_to_node(dev));
+}
+
+/**
+ * async_schedule_dev_domain - A device specific version of async_schedule_domain
+ * @func: function to execute asynchronously
+ * @dev: device argument to be passed to function
+ * @domain: the domain
+ *
+ * Returns an async_cookie_t that may be used for checkpointing later.
+ * @dev is used as both the argument for the function and to provide NUMA
+ * context for where to run the function. By doing this we can try to
+ * provide for the best possible outcome by operating on the device on the
+ * CPUs closest to the device.
+ * @domain may be used in the async_synchronize_*_domain() functions to
+ * wait within a certain synchronization domain rather than globally.
+ * Note: This function may be called from atomic or non-atomic contexts.
+ */
+static inline async_cookie_t
+async_schedule_dev_domain(async_func_t func, struct device *dev,
+ struct async_domain *domain)
+{
+ return async_schedule_node_domain(func, dev, dev_to_node(dev), domain);
+}
+
void async_unregister_domain(struct async_domain *domain);
extern void async_synchronize_full(void);
extern void async_synchronize_full_domain(struct async_domain *domain);