Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR (net-6.19-rc6).

No conflicts, or adjacent changes.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

20 files changed, 70 insertions, 35 deletions

diff --git a/include/linux/can/can-ml.h b/include/linux/can/can-ml.h
index 8afa92d15a66..1e99fda2b380 100644
--- a/include/linux/can/can-ml.h
+++ b/include/linux/can/can-ml.h
@@ -46,6 +46,12 @@
 #include <linux/list.h>
 #include <linux/netdevice.h>
 
+/* exposed CAN device capabilities for network layer */
+#define CAN_CAP_CC BIT(0) /* CAN CC aka Classical CAN */
+#define CAN_CAP_FD BIT(1) /* CAN FD */
+#define CAN_CAP_XL BIT(2) /* CAN XL */
+#define CAN_CAP_RO BIT(3) /* read-only mode (LISTEN/RESTRICTED) */
+
 #define CAN_SFF_RCV_ARRAY_SZ (1 << CAN_SFF_ID_BITS)
 #define CAN_EFF_RCV_HASH_BITS 10
 #define CAN_EFF_RCV_ARRAY_SZ (1 << CAN_EFF_RCV_HASH_BITS)
@@ -64,6 +70,7 @@ struct can_ml_priv {
 #ifdef CAN_J1939
 	struct j1939_priv *j1939_priv;
 #endif
+	u32 can_cap;
 };
 
 static inline struct can_ml_priv *can_get_ml_priv(struct net_device *dev)
@@ -77,4 +84,21 @@ static inline void can_set_ml_priv(struct net_device *dev,
 	netdev_set_ml_priv(dev, ml_priv, ML_PRIV_CAN);
 }
 
+static inline bool can_cap_enabled(struct net_device *dev, u32 cap)
+{
+	struct can_ml_priv *can_ml = can_get_ml_priv(dev);
+
+	if (!can_ml)
+		return false;
+
+	return (can_ml->can_cap & cap);
+}
+
+static inline void can_set_cap(struct net_device *dev, u32 cap)
+{
+	struct can_ml_priv *can_ml = can_get_ml_priv(dev);
+
+	can_ml->can_cap = cap;
+}
+
 #endif /* CAN_ML_H */
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index f6416a56e95d..6d0710d6f571 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -111,18 +111,12 @@ struct net_device *alloc_candev_mqs(int sizeof_priv, unsigned int echo_skb_max,
 void free_candev(struct net_device *dev);
 
 /* a candev safe wrapper around netdev_priv */
-#if IS_ENABLED(CONFIG_CAN_NETLINK)
 struct can_priv *safe_candev_priv(struct net_device *dev);
-#else
-static inline struct can_priv *safe_candev_priv(struct net_device *dev)
-{
-	return NULL;
-}
-#endif
 
 int open_candev(struct net_device *dev);
 void close_candev(struct net_device *dev);
 void can_set_default_mtu(struct net_device *dev);
+void can_set_cap_info(struct net_device *dev);
 int __must_check can_set_static_ctrlmode(struct net_device *dev,
 					 u32 static_mode);
 int can_hwtstamp_get(struct net_device *netdev,
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index b760a3c470a5..f7cc60de0058 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -626,7 +626,13 @@ struct cgroup {
 #endif
 
 	/* All ancestors including self */
-	struct cgroup *ancestors[];
+	union {
+		DECLARE_FLEX_ARRAY(struct cgroup *, ancestors);
+		struct {
+			struct cgroup *_root_ancestor;
+			DECLARE_FLEX_ARRAY(struct cgroup *, _low_ancestors);
+		};
+	};
 };
 
 /*
@@ -647,16 +653,6 @@ struct cgroup_root {
 	struct list_head root_list;
 	struct rcu_head rcu;	/* Must be near the top */
 
-	/*
-	 * The root cgroup. The containing cgroup_root will be destroyed on its
-	 * release. cgrp->ancestors[0] will be used overflowing into the
-	 * following field. cgrp_ancestor_storage must immediately follow.
-	 */
-	struct cgroup cgrp;
-
-	/* must follow cgrp for cgrp->ancestors[0], see above */
-	struct cgroup *cgrp_ancestor_storage;
-
 	/* Number of cgroups in the hierarchy, used only for /proc/cgroups */
 	atomic_t nr_cgrps;
 
@@ -668,6 +664,13 @@ struct cgroup_root {
 
 	/* The name for this hierarchy - may be empty */
 	char name[MAX_CGROUP_ROOT_NAMELEN];
+
+	/*
+	 * The root cgroup. The containing cgroup_root will be destroyed on its
+	 * release. This must be embedded last due to flexible array at the end
+	 * of struct cgroup.
+	 */
+	struct cgroup cgrp;
 };
 
 /*
diff --git a/include/linux/filelock.h b/include/linux/filelock.h
index 54b824c05299..2f5e5588ee07 100644
--- a/include/linux/filelock.h
+++ b/include/linux/filelock.h
@@ -49,6 +49,7 @@ struct lease_manager_operations {
 	int (*lm_change)(struct file_lease *, int, struct list_head *);
 	void (*lm_setup)(struct file_lease *, void **);
 	bool (*lm_breaker_owns_lease)(struct file_lease *);
+	int (*lm_open_conflict)(struct file *, int);
 };
 
 struct lock_manager {
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 770f0dc993cc..a3a8989e3268 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -1167,7 +1167,7 @@ static inline void ftrace_init(void) { }
  */
 struct ftrace_graph_ent {
 	unsigned long func; /* Current function */
-	unsigned long depth;
+	long depth; /* signed to check for less than zero */
 } __packed;
 
 /*
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 2cf1bf65b225..0de12f14d6a4 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -2,7 +2,7 @@
 /*
  *  hrtimers - High-resolution kernel timers
  *
- *   Copyright(C) 2005, Thomas Gleixner <tglx@linutronix.de>
+ *   Copyright(C) 2005, Linutronix GmbH, Thomas Gleixner <tglx@kernel.org>
  *   Copyright(C) 2005, Red Hat, Inc., Ingo Molnar
  *
  *  data type definitions, declarations, prototypes
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 520e967cb501..6bb941707d12 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -88,6 +88,9 @@ struct vm_fault;
 /*
  * Flags set by the core iomap code during operations:
  *
+ * IOMAP_F_FOLIO_BATCH indicates that the folio batch mechanism is active
+ * for this operation, set by iomap_fill_dirty_folios().
+ *
  * IOMAP_F_SIZE_CHANGED indicates to the iomap_end method that the file size
  * has changed as the result of this write operation.
  *
@@ -95,6 +98,7 @@ struct vm_fault;
  * range it covers needs to be remapped by the high level before the operation
  * can proceed.
  */
+#define IOMAP_F_FOLIO_BATCH	(1U << 13)
 #define IOMAP_F_SIZE_CHANGED	(1U << 14)
 #define IOMAP_F_STALE		(1U << 15)
 
@@ -352,8 +356,8 @@ bool iomap_dirty_folio(struct address_space *mapping, struct folio *folio);
 int iomap_file_unshare(struct inode *inode, loff_t pos, loff_t len,
 		const struct iomap_ops *ops,
 		const struct iomap_write_ops *write_ops);
-loff_t iomap_fill_dirty_folios(struct iomap_iter *iter, loff_t offset,
-		loff_t length);
+unsigned int iomap_fill_dirty_folios(struct iomap_iter *iter, loff_t *start,
+		loff_t end, unsigned int *iomap_flags);
 int iomap_zero_range(struct inode *inode, loff_t pos, loff_t len,
 		bool *did_zero, const struct iomap_ops *ops,
 		const struct iomap_write_ops *write_ops, void *private);
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 383ed9985802..f247e564602f 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -3,7 +3,7 @@
  *
  *  ktime_t - nanosecond-resolution time format.
  *
- *   Copyright(C) 2005, Thomas Gleixner <tglx@linutronix.de>
+ *   Copyright(C) 2005, Linutronix GmbH, Thomas Gleixner <tglx@kernel.org>
  *   Copyright(C) 2005, Red Hat, Inc., Ingo Molnar
  *
  *  data type definitions, declarations, prototypes and macros.
diff --git a/include/linux/mtd/jedec.h b/include/linux/mtd/jedec.h
index 56047a4e54c9..255972f3d88d 100644
--- a/include/linux/mtd/jedec.h
+++ b/include/linux/mtd/jedec.h
@@ -2,7 +2,7 @@
 /*
  * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org>
  *			 Steven J. Hill <sjhill@realitydiluted.com>
- *			 Thomas Gleixner <tglx@linutronix.de>
+ *			 Thomas Gleixner <tglx@kernel.org>
  *
  * Contains all JEDEC related definitions
  */
diff --git a/include/linux/mtd/nand-ecc-sw-hamming.h b/include/linux/mtd/nand-ecc-sw-hamming.h
index c6c71894c575..2aa2f8ef68d2 100644
--- a/include/linux/mtd/nand-ecc-sw-hamming.h
+++ b/include/linux/mtd/nand-ecc-sw-hamming.h
@@ -2,7 +2,7 @@
 /*
  *  Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
  *			    David Woodhouse <dwmw2@infradead.org>
- *			    Thomas Gleixner <tglx@linutronix.de>
+ *			    Thomas Gleixner <tglx@kernel.org>
  *
  * This file is the header for the NAND Hamming ECC implementation.
  */
diff --git a/include/linux/mtd/ndfc.h b/include/linux/mtd/ndfc.h
index 98f075b86931..622891191e9c 100644
--- a/include/linux/mtd/ndfc.h
+++ b/include/linux/mtd/ndfc.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- *  Copyright (c) 2006 Thomas Gleixner <tglx@linutronix.de>
+ *  Copyright (c) 2006 Linutronix GmbH, Thomas Gleixner <tglx@kernel.org>
  *
  *  Info:
  *   Contains defines, datastructures for ndfc nand controller
diff --git a/include/linux/mtd/onfi.h b/include/linux/mtd/onfi.h
index 55ab2e4d62f9..09a5cbd8f232 100644
--- a/include/linux/mtd/onfi.h
+++ b/include/linux/mtd/onfi.h
@@ -2,7 +2,7 @@
 /*
  * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org>
  *			 Steven J. Hill <sjhill@realitydiluted.com>
- *			 Thomas Gleixner <tglx@linutronix.de>
+ *			 Thomas Gleixner <tglx@kernel.org>
  *
  * Contains all ONFI related definitions
  */
diff --git a/include/linux/mtd/platnand.h b/include/linux/mtd/platnand.h
index bc11eb6b593b..2df6fba699f2 100644
--- a/include/linux/mtd/platnand.h
+++ b/include/linux/mtd/platnand.h
@@ -2,7 +2,7 @@
 /*
  *  Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org>
  *			  Steven J. Hill <sjhill@realitydiluted.com>
- *			  Thomas Gleixner <tglx@linutronix.de>
+ *			  Thomas Gleixner <tglx@kernel.org>
  *
  * Contains all platform NAND related definitions.
  */
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index d30bdc3fcfd7..5c70e7bd3ed5 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -2,7 +2,7 @@
 /*
  *  Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org>
  *                        Steven J. Hill <sjhill@realitydiluted.com>
- *		          Thomas Gleixner <tglx@linutronix.de>
+ *		          Thomas Gleixner <tglx@kernel.org>
  *
  * Info:
  *	Contains standard defines and IDs for NAND flash devices
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 9870d768db4c..9ded2e582c60 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1,7 +1,7 @@
 /*
  * Performance events:
  *
- *    Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de>
+ *    Copyright (C) 2008-2009, Linutronix GmbH, Thomas Gleixner <tglx@kernel.org>
  *    Copyright (C) 2008-2011, Red Hat, Inc., Ingo Molnar
  *    Copyright (C) 2008-2011, Red Hat, Inc., Peter Zijlstra
  *
diff --git a/include/linux/plist.h b/include/linux/plist.h
index 8c1c8adf7fe9..16cf4355b5c1 100644
--- a/include/linux/plist.h
+++ b/include/linux/plist.h
@@ -8,7 +8,7 @@
  * 2001-2005 (c) MontaVista Software, Inc.
  * Daniel Walker <dwalker@mvista.com>
  *
- * (C) 2005 Thomas Gleixner <tglx@linutronix.de>
+ * (C) 2005 Linutronix GmbH, Thomas Gleixner <tglx@kernel.org>
  *
  * Simplifications of the original code by
  * Oleg Nesterov <oleg@tv-sign.ru>
diff --git a/include/linux/rslib.h b/include/linux/rslib.h
index a04dacbdc8ae..a2848f6907e3 100644
--- a/include/linux/rslib.h
+++ b/include/linux/rslib.h
@@ -2,7 +2,7 @@
 /*
  * Generic Reed Solomon encoder / decoder library
  *
- * Copyright (C) 2004 Thomas Gleixner (tglx@linutronix.de)
+ * Copyright (C) 2004 Thomas Gleixner (tglx@kernel.org)
  *
  * RS code lifted from reed solomon library written by Phil Karn
  * Copyright 2002 Phil Karn, KA9Q
diff --git a/include/linux/soc/airoha/airoha_offload.h b/include/linux/soc/airoha/airoha_offload.h
index ab64ecdf39a0..d01ef4a6b3d7 100644
--- a/include/linux/soc/airoha/airoha_offload.h
+++ b/include/linux/soc/airoha/airoha_offload.h
@@ -52,8 +52,8 @@ static inline void airoha_ppe_put_dev(struct airoha_ppe_dev *dev)
 {
 }
 
-static inline int airoha_ppe_setup_tc_block_cb(struct airoha_ppe_dev *dev,
-					       void *type_data)
+static inline int airoha_ppe_dev_setup_tc_block_cb(struct airoha_ppe_dev *dev,
+						   void *type_data)
 {
 	return -EOPNOTSUPP;
 }
diff --git a/include/linux/trace_recursion.h b/include/linux/trace_recursion.h
index ae04054a1be3..e6ca052b2a85 100644
--- a/include/linux/trace_recursion.h
+++ b/include/linux/trace_recursion.h
@@ -34,6 +34,13 @@ enum {
 	TRACE_INTERNAL_SIRQ_BIT,
 	TRACE_INTERNAL_TRANSITION_BIT,
 
+	/* Internal event use recursion bits */
+	TRACE_INTERNAL_EVENT_BIT,
+	TRACE_INTERNAL_EVENT_NMI_BIT,
+	TRACE_INTERNAL_EVENT_IRQ_BIT,
+	TRACE_INTERNAL_EVENT_SIRQ_BIT,
+	TRACE_INTERNAL_EVENT_TRANSITION_BIT,
+
 	TRACE_BRANCH_BIT,
 /*
  * Abuse of the trace_recursion.
@@ -58,6 +65,8 @@ enum {
 
 #define TRACE_LIST_START	TRACE_INTERNAL_BIT
 
+#define TRACE_EVENT_START	TRACE_INTERNAL_EVENT_BIT
+
 #define TRACE_CONTEXT_MASK	((1 << (TRACE_LIST_START + TRACE_CONTEXT_BITS)) - 1)
 
 /*
diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h
index 18238dc8bfd3..334641e20fb1 100644
--- a/include/linux/uio_driver.h
+++ b/include/linux/uio_driver.h
@@ -3,7 +3,7 @@
  * include/linux/uio_driver.h
  *
  * Copyright(C) 2005, Benedikt Spranger <b.spranger@linutronix.de>
- * Copyright(C) 2005, Thomas Gleixner <tglx@linutronix.de>
+ * Copyright(C) 2005, Linutronix GmbH, Thomas Gleixner <tglx@kernel.org>
  * Copyright(C) 2006, Hans J. Koch <hjk@hansjkoch.de>
  * Copyright(C) 2006, Greg Kroah-Hartman <greg@kroah.com>
  *