Merge tag 'v5.5-rc3' into sched/core, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

10 files changed, 69 insertions, 20 deletions

diff --git a/include/uapi/asm-generic/ipcbuf.h b/include/uapi/asm-generic/ipcbuf.h
index 7d80dbd336fb..41a01b494fc7 100644
--- a/include/uapi/asm-generic/ipcbuf.h
+++ b/include/uapi/asm-generic/ipcbuf.h
@@ -2,6 +2,8 @@
 #ifndef __ASM_GENERIC_IPCBUF_H
 #define __ASM_GENERIC_IPCBUF_H
 
+#include <linux/posix_types.h>
+
 /*
  * The generic ipc64_perm structure:
  * Note extra padding because this structure is passed back and forth
diff --git a/include/uapi/asm-generic/msgbuf.h b/include/uapi/asm-generic/msgbuf.h
index af95aa89012e..6504d7b741ce 100644
--- a/include/uapi/asm-generic/msgbuf.h
+++ b/include/uapi/asm-generic/msgbuf.h
@@ -3,6 +3,8 @@
 #define __ASM_GENERIC_MSGBUF_H
 
 #include <asm/bitsperlong.h>
+#include <asm/ipcbuf.h>
+
 /*
  * generic msqid64_ds structure.
  *
diff --git a/include/uapi/asm-generic/sembuf.h b/include/uapi/asm-generic/sembuf.h
index 137606018c6a..0e709bd3d730 100644
--- a/include/uapi/asm-generic/sembuf.h
+++ b/include/uapi/asm-generic/sembuf.h
@@ -3,6 +3,7 @@
 #define __ASM_GENERIC_SEMBUF_H
 
 #include <asm/bitsperlong.h>
+#include <asm/ipcbuf.h>
 
 /*
  * The semid64_ds structure for x86 architecture.
diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
index 00aebeaae090..0f1db1cccc3f 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -649,6 +649,8 @@
  */
 #define KEY_DATA			0x277
 #define KEY_ONSCREEN_KEYBOARD		0x278
+/* Electronic privacy screen control */
+#define KEY_PRIVACY_SCREEN_TOGGLE	0x279
 
 /*
  * Some keyboards have keys which do not have a defined meaning, these keys
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 4637ed1d9949..a3300e1b9a01 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -48,6 +48,7 @@ struct io_uring_sqe {
 #define IOSQE_FIXED_FILE	(1U << 0)	/* use fixed fileset */
 #define IOSQE_IO_DRAIN		(1U << 1)	/* issue after inflight IO */
 #define IOSQE_IO_LINK		(1U << 2)	/* links next sqe */
+#define IOSQE_IO_HARDLINK	(1U << 3)	/* like LINK, but stronger */
 
 /*
  * io_uring_setup() flags
@@ -57,23 +58,28 @@ struct io_uring_sqe {
 #define IORING_SETUP_SQ_AFF	(1U << 2)	/* sq_thread_cpu is valid */
 #define IORING_SETUP_CQSIZE	(1U << 3)	/* app defines CQ size */
 
-#define IORING_OP_NOP		0
-#define IORING_OP_READV		1
-#define IORING_OP_WRITEV	2
-#define IORING_OP_FSYNC		3
-#define IORING_OP_READ_FIXED	4
-#define IORING_OP_WRITE_FIXED	5
-#define IORING_OP_POLL_ADD	6
-#define IORING_OP_POLL_REMOVE	7
-#define IORING_OP_SYNC_FILE_RANGE	8
-#define IORING_OP_SENDMSG	9
-#define IORING_OP_RECVMSG	10
-#define IORING_OP_TIMEOUT	11
-#define IORING_OP_TIMEOUT_REMOVE	12
-#define IORING_OP_ACCEPT	13
-#define IORING_OP_ASYNC_CANCEL	14
-#define IORING_OP_LINK_TIMEOUT	15
-#define IORING_OP_CONNECT	16
+enum {
+	IORING_OP_NOP,
+	IORING_OP_READV,
+	IORING_OP_WRITEV,
+	IORING_OP_FSYNC,
+	IORING_OP_READ_FIXED,
+	IORING_OP_WRITE_FIXED,
+	IORING_OP_POLL_ADD,
+	IORING_OP_POLL_REMOVE,
+	IORING_OP_SYNC_FILE_RANGE,
+	IORING_OP_SENDMSG,
+	IORING_OP_RECVMSG,
+	IORING_OP_TIMEOUT,
+	IORING_OP_TIMEOUT_REMOVE,
+	IORING_OP_ACCEPT,
+	IORING_OP_ASYNC_CANCEL,
+	IORING_OP_LINK_TIMEOUT,
+	IORING_OP_CONNECT,
+
+	/* this goes last, obviously */
+	IORING_OP_LAST,
+};
 
 /*
  * sqe->fsync_flags
@@ -157,6 +163,7 @@ struct io_uring_params {
  */
 #define IORING_FEAT_SINGLE_MMAP		(1U << 0)
 #define IORING_FEAT_NODROP		(1U << 1)
+#define IORING_FEAT_SUBMIT_STABLE	(1U << 2)
 
 /*
  * io_uring_register(2) opcodes and arguments
diff --git a/include/uapi/linux/kcov.h b/include/uapi/linux/kcov.h
index 9529867717a8..409d3ad1e6e2 100644
--- a/include/uapi/linux/kcov.h
+++ b/include/uapi/linux/kcov.h
@@ -4,9 +4,24 @@
 
 #include <linux/types.h>
 
+/*
+ * Argument for KCOV_REMOTE_ENABLE ioctl, see Documentation/dev-tools/kcov.rst
+ * and the comment before kcov_remote_start() for usage details.
+ */
+struct kcov_remote_arg {
+	unsigned int	trace_mode;	/* KCOV_TRACE_PC or KCOV_TRACE_CMP */
+	unsigned int	area_size;	/* Length of coverage buffer in words */
+	unsigned int	num_handles;	/* Size of handles array */
+	__u64		common_handle;
+	__u64		handles[0];
+};
+
+#define KCOV_REMOTE_MAX_HANDLES		0x100
+
 #define KCOV_INIT_TRACE			_IOR('c', 1, unsigned long)
 #define KCOV_ENABLE			_IO('c', 100)
 #define KCOV_DISABLE			_IO('c', 101)
+#define KCOV_REMOTE_ENABLE		_IOW('c', 102, struct kcov_remote_arg)
 
 enum {
 	/*
@@ -32,4 +47,17 @@ enum {
 #define KCOV_CMP_SIZE(n)        ((n) << 1)
 #define KCOV_CMP_MASK           KCOV_CMP_SIZE(3)
 
+#define KCOV_SUBSYSTEM_COMMON	(0x00ull << 56)
+#define KCOV_SUBSYSTEM_USB	(0x01ull << 56)
+
+#define KCOV_SUBSYSTEM_MASK	(0xffull << 56)
+#define KCOV_INSTANCE_MASK	(0xffffffffull)
+
+static inline __u64 kcov_remote_handle(__u64 subsys, __u64 inst)
+{
+	if (subsys & ~KCOV_SUBSYSTEM_MASK || inst & ~KCOV_INSTANCE_MASK)
+		return 0;
+	return subsys | inst;
+}
+
 #endif /* _LINUX_KCOV_IOCTLS_H */
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index e6f17c8e2dba..f0a16b4adbbd 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -1348,6 +1348,7 @@ struct kvm_s390_ucas_mapping {
 #define KVM_PPC_GET_CPU_CHAR	  _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
 /* Available with KVM_CAP_PMU_EVENT_FILTER */
 #define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
+#define KVM_PPC_SVM_OFF		  _IO(KVMIO,  0xb3)
 
 /* ioctl for vm fd */
 #define KVM_CREATE_DEVICE	  _IOWR(KVMIO,  0xe0, struct kvm_create_device)
diff --git a/include/uapi/linux/netfilter/xt_sctp.h b/include/uapi/linux/netfilter/xt_sctp.h
index 4bc6d1a08781..b4d804a9fccb 100644
--- a/include/uapi/linux/netfilter/xt_sctp.h
+++ b/include/uapi/linux/netfilter/xt_sctp.h
@@ -41,19 +41,19 @@ struct xt_sctp_info {
 #define SCTP_CHUNKMAP_SET(chunkmap, type) 		\
 	do { 						\
 		(chunkmap)[type / bytes(__u32)] |= 	\
-			1 << (type % bytes(__u32));	\
+			1u << (type % bytes(__u32));	\
 	} while (0)
 
 #define SCTP_CHUNKMAP_CLEAR(chunkmap, type)		 	\
 	do {							\
 		(chunkmap)[type / bytes(__u32)] &= 		\
-			~(1 << (type % bytes(__u32)));	\
+			~(1u << (type % bytes(__u32)));	\
 	} while (0)
 
 #define SCTP_CHUNKMAP_IS_SET(chunkmap, type) 			\
 ({								\
 	((chunkmap)[type / bytes (__u32)] & 		\
-		(1 << (type % bytes (__u32)))) ? 1: 0;	\
+		(1u << (type % bytes (__u32)))) ? 1: 0;	\
 })
 
 #define SCTP_CHUNKMAP_RESET(chunkmap) \
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 341e0e8cae46..5eab191607f8 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -5517,6 +5517,10 @@ enum nl80211_feature_flags {
  *	with VLAN tagged frames and separate VLAN-specific netdevs added using
  *	vconfig similarly to the Ethernet case.
  *
+ * @NL80211_EXT_FEATURE_AQL: The driver supports the Airtime Queue Limit (AQL)
+ *	feature, which prevents bufferbloat by using the expected transmission
+ *	time to limit the amount of data buffered in the hardware.
+ *
  * @NUM_NL80211_EXT_FEATURES: number of extended features.
  * @MAX_NL80211_EXT_FEATURES: highest extended feature index.
  */
@@ -5563,6 +5567,7 @@ enum nl80211_ext_feature_index {
 	NL80211_EXT_FEATURE_STA_TX_PWR,
 	NL80211_EXT_FEATURE_SAE_OFFLOAD,
 	NL80211_EXT_FEATURE_VLAN_OFFLOAD,
+	NL80211_EXT_FEATURE_AQL,
 
 	/* add new features before the definition below */
 	NUM_NL80211_EXT_FEATURES,
diff --git a/include/uapi/linux/scc.h b/include/uapi/linux/scc.h
index c5bc7f747755..947edb17ce9d 100644
--- a/include/uapi/linux/scc.h
+++ b/include/uapi/linux/scc.h
@@ -4,6 +4,7 @@
 #ifndef _UAPI_SCC_H
 #define _UAPI_SCC_H
 
+#include <linux/sockios.h>
 
 /* selection of hardware types */