Merge branch 'smp/hotplug' into x86/apic

Pick up core changes on which the APIC IPI cleanups and shorthand support
series depends on.

14 files changed, 94 insertions, 27 deletions

diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index f58e97446abc..90528f12bdfa 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -120,6 +120,10 @@ extern int __bitmap_empty(const unsigned long *bitmap, unsigned int nbits);
 extern int __bitmap_full(const unsigned long *bitmap, unsigned int nbits);
 extern int __bitmap_equal(const unsigned long *bitmap1,
 			  const unsigned long *bitmap2, unsigned int nbits);
+extern bool __pure __bitmap_or_equal(const unsigned long *src1,
+				     const unsigned long *src2,
+				     const unsigned long *src3,
+				     unsigned int nbits);
 extern void __bitmap_complement(unsigned long *dst, const unsigned long *src,
 			unsigned int nbits);
 extern void __bitmap_shift_right(unsigned long *dst, const unsigned long *src,
@@ -321,6 +325,25 @@ static inline int bitmap_equal(const unsigned long *src1,
 	return __bitmap_equal(src1, src2, nbits);
 }
 
+/**
+ * bitmap_or_equal - Check whether the or of two bitnaps is equal to a third
+ * @src1:	Pointer to bitmap 1
+ * @src2:	Pointer to bitmap 2 will be or'ed with bitmap 1
+ * @src3:	Pointer to bitmap 3. Compare to the result of *@src1 | *@src2
+ *
+ * Returns: True if (*@src1 | *@src2) == *@src3, false otherwise
+ */
+static inline bool bitmap_or_equal(const unsigned long *src1,
+				   const unsigned long *src2,
+				   const unsigned long *src3,
+				   unsigned int nbits)
+{
+	if (!small_const_nbits(nbits))
+		return __bitmap_or_equal(src1, src2, src3, nbits);
+
+	return !(((*src1 | *src2) ^ *src3) & BITMAP_LAST_WORD_MASK(nbits));
+}
+
 static inline int bitmap_intersects(const unsigned long *src1,
 			const unsigned long *src2, unsigned int nbits)
 {
diff --git a/include/linux/connector.h b/include/linux/connector.h
index 6b6c7396a584..cb732643471b 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -50,7 +50,6 @@ struct cn_dev {
 
 	u32 seq, groups;
 	struct sock *nls;
-	void (*input) (struct sk_buff *skb);
 
 	struct cn_queue_dev *cbdev;
 };
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 21755471b1c3..0c7db5efe66c 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -115,6 +115,8 @@ extern struct cpumask __cpu_active_mask;
 #define cpu_active(cpu)		((cpu) == 0)
 #endif
 
+extern cpumask_t cpus_booted_once_mask;
+
 static inline void cpu_max_bits_warn(unsigned int cpu, unsigned int bits)
 {
 #ifdef CONFIG_DEBUG_PER_CPU_MAPS
@@ -474,6 +476,20 @@ static inline bool cpumask_equal(const struct cpumask *src1p,
 }
 
 /**
+ * cpumask_or_equal - *src1p | *src2p == *src3p
+ * @src1p: the first input
+ * @src2p: the second input
+ * @src3p: the third input
+ */
+static inline bool cpumask_or_equal(const struct cpumask *src1p,
+				    const struct cpumask *src2p,
+				    const struct cpumask *src3p)
+{
+	return bitmap_or_equal(cpumask_bits(src1p), cpumask_bits(src2p),
+			       cpumask_bits(src3p), nr_cpumask_bits);
+}
+
+/**
  * cpumask_intersects - (*src1p & *src2p) != 0
  * @src1p: the first input
  * @src2p: the second input
diff --git a/include/linux/netfilter/nf_conntrack_h323_asn1.h b/include/linux/netfilter/nf_conntrack_h323_asn1.h
index 91d6275292a5..19df78341fb3 100644
--- a/include/linux/netfilter/nf_conntrack_h323_asn1.h
+++ b/include/linux/netfilter/nf_conntrack_h323_asn1.h
@@ -1,7 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /****************************************************************************
- * ip_conntrack_h323_asn1.h - BER and PER decoding library for H.323
- * 			      conntrack/NAT module.
+ * BER and PER decoding library for H.323 conntrack/NAT module.
  *
  * Copyright (c) 2006 by Jing Min Zhao <zhaojingmin@users.sourceforge.net>
  *
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 88c27153a4bc..45850a8391d9 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -4170,7 +4170,7 @@ struct sta_opmode_info {
 	u8 rx_nss;
 };
 
-#define VENDOR_CMD_RAW_DATA ((const struct nla_policy *)ERR_PTR(-ENODATA))
+#define VENDOR_CMD_RAW_DATA ((const struct nla_policy *)(long)(-ENODATA))
 
 /**
  * struct wiphy_vendor_command - vendor command definition
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index db337299e81e..b16d21636d69 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -2,8 +2,8 @@
 #define _NET_FLOW_OFFLOAD_H
 
 #include <linux/kernel.h>
+#include <linux/list.h>
 #include <net/flow_dissector.h>
-#include <net/sch_generic.h>
 
 struct flow_match {
 	struct flow_dissector	*dissector;
@@ -249,6 +249,10 @@ enum flow_block_binder_type {
 	FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS,
 };
 
+struct flow_block {
+	struct list_head cb_list;
+};
+
 struct netlink_ext_ack;
 
 struct flow_block_offload {
@@ -256,29 +260,33 @@ struct flow_block_offload {
 	enum flow_block_binder_type binder_type;
 	bool block_shared;
 	struct net *net;
+	struct flow_block *block;
 	struct list_head cb_list;
 	struct list_head *driver_block_list;
 	struct netlink_ext_ack *extack;
 };
 
+enum tc_setup_type;
+typedef int flow_setup_cb_t(enum tc_setup_type type, void *type_data,
+			    void *cb_priv);
+
 struct flow_block_cb {
 	struct list_head	driver_list;
 	struct list_head	list;
-	struct net		*net;
-	tc_setup_cb_t		*cb;
+	flow_setup_cb_t		*cb;
 	void			*cb_ident;
 	void			*cb_priv;
 	void			(*release)(void *cb_priv);
 	unsigned int		refcnt;
 };
 
-struct flow_block_cb *flow_block_cb_alloc(struct net *net, tc_setup_cb_t *cb,
+struct flow_block_cb *flow_block_cb_alloc(flow_setup_cb_t *cb,
 					  void *cb_ident, void *cb_priv,
 					  void (*release)(void *cb_priv));
 void flow_block_cb_free(struct flow_block_cb *block_cb);
 
-struct flow_block_cb *flow_block_cb_lookup(struct flow_block_offload *offload,
-					   tc_setup_cb_t *cb, void *cb_ident);
+struct flow_block_cb *flow_block_cb_lookup(struct flow_block *block,
+					   flow_setup_cb_t *cb, void *cb_ident);
 
 void *flow_block_cb_priv(struct flow_block_cb *block_cb);
 void flow_block_cb_incref(struct flow_block_cb *block_cb);
@@ -296,11 +304,12 @@ static inline void flow_block_cb_remove(struct flow_block_cb *block_cb,
 	list_move(&block_cb->list, &offload->cb_list);
 }
 
-bool flow_block_cb_is_busy(tc_setup_cb_t *cb, void *cb_ident,
+bool flow_block_cb_is_busy(flow_setup_cb_t *cb, void *cb_ident,
 			   struct list_head *driver_block_list);
 
 int flow_block_cb_setup_simple(struct flow_block_offload *f,
-			       struct list_head *driver_list, tc_setup_cb_t *cb,
+			       struct list_head *driver_list,
+			       flow_setup_cb_t *cb,
 			       void *cb_ident, void *cb_priv, bool ingress_only);
 
 enum flow_cls_command {
@@ -333,4 +342,9 @@ flow_cls_offload_flow_rule(struct flow_cls_offload *flow_cmd)
 	return flow_cmd->rule;
 }
 
+static inline void flow_block_init(struct flow_block *flow_block)
+{
+	INIT_LIST_HEAD(&flow_block->cb_list);
+}
+
 #endif /* _NET_FLOW_OFFLOAD_H */
diff --git a/include/net/netfilter/nf_conntrack_expect.h b/include/net/netfilter/nf_conntrack_expect.h
index 93ce6b0daaba..573429be4d59 100644
--- a/include/net/netfilter/nf_conntrack_expect.h
+++ b/include/net/netfilter/nf_conntrack_expect.h
@@ -76,6 +76,11 @@ struct nf_conntrack_expect_policy {
 #define NF_CT_EXPECT_CLASS_DEFAULT	0
 #define NF_CT_EXPECT_MAX_CNT		255
 
+/* Allow to reuse expectations with the same tuples from different master
+ * conntracks.
+ */
+#define NF_CT_EXP_F_SKIP_MASTER	0x1
+
 int nf_conntrack_expect_pernet_init(struct net *net);
 void nf_conntrack_expect_pernet_fini(struct net *net);
 
@@ -122,10 +127,11 @@ void nf_ct_expect_init(struct nf_conntrack_expect *, unsigned int, u_int8_t,
 		       u_int8_t, const __be16 *, const __be16 *);
 void nf_ct_expect_put(struct nf_conntrack_expect *exp);
 int nf_ct_expect_related_report(struct nf_conntrack_expect *expect, 
-				u32 portid, int report);
-static inline int nf_ct_expect_related(struct nf_conntrack_expect *expect)
+				u32 portid, int report, unsigned int flags);
+static inline int nf_ct_expect_related(struct nf_conntrack_expect *expect,
+				       unsigned int flags)
 {
-	return nf_ct_expect_related_report(expect, 0, 0);
+	return nf_ct_expect_related_report(expect, 0, 0, flags);
 }
 
 #endif /*_NF_CONNTRACK_EXPECT_H*/
diff --git a/include/net/netfilter/nf_conntrack_synproxy.h b/include/net/netfilter/nf_conntrack_synproxy.h
index 8f00125b06f4..44513b93bd55 100644
--- a/include/net/netfilter/nf_conntrack_synproxy.h
+++ b/include/net/netfilter/nf_conntrack_synproxy.h
@@ -68,6 +68,7 @@ struct synproxy_options {
 	u8				options;
 	u8				wscale;
 	u16				mss;
+	u16				mss_encode;
 	u32				tsval;
 	u32				tsecr;
 };
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 35dfdd9f69b3..9b624566b82d 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -11,6 +11,7 @@
 #include <linux/rhashtable.h>
 #include <net/netfilter/nf_flow_table.h>
 #include <net/netlink.h>
+#include <net/flow_offload.h>
 
 struct module;
 
@@ -951,7 +952,7 @@ struct nft_stats {
  *	@stats: per-cpu chain stats
  *	@chain: the chain
  *	@dev_name: device name that this base chain is attached to (if any)
- *	@cb_list: list of flow block callbacks (for hardware offload)
+ *	@flow_block: flow block (for hardware offload)
  */
 struct nft_base_chain {
 	struct nf_hook_ops		ops;
@@ -961,7 +962,7 @@ struct nft_base_chain {
 	struct nft_stats __percpu	*stats;
 	struct nft_chain		chain;
 	char 				dev_name[IFNAMSIZ];
-	struct list_head		cb_list;
+	struct flow_block		flow_block;
 };
 
 static inline struct nft_base_chain *nft_base_chain(const struct nft_chain *chain)
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 841faadceb6e..e429809ca90d 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -6,7 +6,6 @@
 #include <linux/workqueue.h>
 #include <net/sch_generic.h>
 #include <net/act_api.h>
-#include <net/flow_offload.h>
 #include <net/net_namespace.h>
 
 /* TC action not accessible from user space */
@@ -126,14 +125,14 @@ static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
 }
 
 static inline
-int tc_setup_cb_block_register(struct tcf_block *block, tc_setup_cb_t *cb,
+int tc_setup_cb_block_register(struct tcf_block *block, flow_setup_cb_t *cb,
 			       void *cb_priv)
 {
 	return 0;
 }
 
 static inline
-void tc_setup_cb_block_unregister(struct tcf_block *block, tc_setup_cb_t *cb,
+void tc_setup_cb_block_unregister(struct tcf_block *block, flow_setup_cb_t *cb,
 				  void *cb_priv)
 {
 }
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 855167bbc372..6b6b01234dd9 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -15,6 +15,7 @@
 #include <linux/mutex.h>
 #include <net/gen_stats.h>
 #include <net/rtnetlink.h>
+#include <net/flow_offload.h>
 
 struct Qdisc_ops;
 struct qdisc_walker;
@@ -22,9 +23,6 @@ struct tcf_walker;
 struct module;
 struct bpf_flow_keys;
 
-typedef int tc_setup_cb_t(enum tc_setup_type type,
-			  void *type_data, void *cb_priv);
-
 typedef int tc_indr_block_bind_cb_t(struct net_device *dev, void *cb_priv,
 				    enum tc_setup_type type, void *type_data);
 
@@ -313,7 +311,7 @@ struct tcf_proto_ops {
 	void			(*walk)(struct tcf_proto *tp,
 					struct tcf_walker *arg, bool rtnl_held);
 	int			(*reoffload)(struct tcf_proto *tp, bool add,
-					     tc_setup_cb_t *cb, void *cb_priv,
+					     flow_setup_cb_t *cb, void *cb_priv,
 					     struct netlink_ext_ack *extack);
 	void			(*bind_class)(void *, u32, unsigned long);
 	void *			(*tmplt_create)(struct net *net,
@@ -401,7 +399,7 @@ struct tcf_block {
 	refcount_t refcnt;
 	struct net *net;
 	struct Qdisc *q;
-	struct list_head cb_list;
+	struct flow_block flow_block;
 	struct list_head owner_list;
 	bool keep_dst;
 	unsigned int offloadcnt; /* Number of oddloaded filters */
diff --git a/include/net/tcp.h b/include/net/tcp.h
index f42d300f0cfa..e5cf514ba118 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1709,6 +1709,11 @@ static inline struct sk_buff *tcp_rtx_queue_head(const struct sock *sk)
 	return skb_rb_first(&sk->tcp_rtx_queue);
 }
 
+static inline struct sk_buff *tcp_rtx_queue_tail(const struct sock *sk)
+{
+	return skb_rb_last(&sk->tcp_rtx_queue);
+}
+
 static inline struct sk_buff *tcp_write_queue_head(const struct sock *sk)
 {
 	return skb_peek(&sk->sk_write_queue);
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 75758ec26c8b..beb9a9d0c00a 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -2863,7 +2863,7 @@ enum nl80211_attrs {
 #define NL80211_HT_CAPABILITY_LEN		26
 #define NL80211_VHT_CAPABILITY_LEN		12
 #define NL80211_HE_MIN_CAPABILITY_LEN           16
-#define NL80211_HE_MAX_CAPABILITY_LEN           51
+#define NL80211_HE_MAX_CAPABILITY_LEN           54
 #define NL80211_MAX_NR_CIPHER_SUITES		5
 #define NL80211_MAX_NR_AKM_SUITES		2
 
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 9d9705ceda76..2427bc4d8eba 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -518,7 +518,13 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16  rrrrgggg bbbbxxxx */
 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16  aaaabbbb ggggrrrr */
 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16  xxxxbbbb ggggrrrr */
-#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('B', 'A', '1', '2') /* 16  bbbbgggg rrrraaaa */
+
+/*
+ * Originally this had 'BA12' as fourcc, but this clashed with the older
+ * V4L2_PIX_FMT_SGRBG12 which inexplicably used that same fourcc.
+ * So use 'GA12' instead for V4L2_PIX_FMT_BGRA444.
+ */
+#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16  bbbbgggg rrrraaaa */
 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16  bbbbgggg rrrrxxxx */
 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16  ARGB-1-5-5-5  */