diff --git a/executor/defs.h b/executor/defs.h
index 3ca1ae4b..5f86adba 100644
--- a/executor/defs.h
+++ b/executor/defs.h
@@ -60,7 +60,7 @@
 
 #if GOARCH_386
 #define GOARCH "386"
-#define SYZ_REVISION "653420e40f1229688e81b83af5d94ec00d3f8b36"
+#define SYZ_REVISION "5982ba714be578b0e48d6812f6ca86b2b3e5319f"
 #define SYZ_EXECUTOR_USES_FORK_SERVER 1
 #define SYZ_EXECUTOR_USES_SHMEM 1
 #define SYZ_PAGE_SIZE 4096
@@ -70,7 +70,7 @@
 
 #if GOARCH_amd64
 #define GOARCH "amd64"
-#define SYZ_REVISION "05f2fe589c5c3436257454e091f72e966610d5db"
+#define SYZ_REVISION "2862500fc252bb9eab587624daf26f14249e4ef7"
 #define SYZ_EXECUTOR_USES_FORK_SERVER 1
 #define SYZ_EXECUTOR_USES_SHMEM 1
 #define SYZ_PAGE_SIZE 4096
@@ -80,7 +80,7 @@
 
 #if GOARCH_arm
 #define GOARCH "arm"
-#define SYZ_REVISION "fbdcb749741366eb0ddae36e107d657053bc3ddb"
+#define SYZ_REVISION "667206c7f1c12ec281d7f28425b426832e25f0d1"
 #define SYZ_EXECUTOR_USES_FORK_SERVER 1
 #define SYZ_EXECUTOR_USES_SHMEM 1
 #define SYZ_PAGE_SIZE 4096
@@ -90,7 +90,7 @@
 
 #if GOARCH_arm64
 #define GOARCH "arm64"
-#define SYZ_REVISION "08c218976280776c081377a76ece94c9005958ec"
+#define SYZ_REVISION "f11cfc21c24ab7735603db724db6796fae349d21"
 #define SYZ_EXECUTOR_USES_FORK_SERVER 1
 #define SYZ_EXECUTOR_USES_SHMEM 1
 #define SYZ_PAGE_SIZE 4096
@@ -100,7 +100,7 @@
 
 #if GOARCH_ppc64le
 #define GOARCH "ppc64le"
-#define SYZ_REVISION "f48d04238b4a7847cf4e24a8548d31c6650a3f3e"
+#define SYZ_REVISION "6833133f78873e7293546a201de446f354b741bc"
 #define SYZ_EXECUTOR_USES_FORK_SERVER 1
 #define SYZ_EXECUTOR_USES_SHMEM 1
 #define SYZ_PAGE_SIZE 4096
diff --git a/sys/linux/aio.txt b/sys/linux/aio.txt
index 1d194e7d..cc513b8d 100644
--- a/sys/linux/aio.txt
+++ b/sys/linux/aio.txt
@@ -14,8 +14,8 @@ io_pgetevents(ctx io_ctx, min_nr intptr, nr len[events], events ptr[out, array[i
 io_submit(ctx io_ctx, nr len[iocbpp], iocbpp ptr[in, array[ptr[in, iocb]]])
 io_cancel(ctx io_ctx, iocb ptr[in, iocb], res ptr[out, io_event])
 
-lio_opcode = IOCB_CMD_PREAD, IOCB_CMD_PWRITE, IOCB_CMD_FSYNC, IOCB_CMD_FDSYNC, IOCB_CMD_NOOP, IOCB_CMD_PREADV, IOCB_CMD_PWRITEV
-iocb_flags = 0, IOCB_FLAG_RESFD
+lio_opcode = IOCB_CMD_PREAD, IOCB_CMD_PWRITE, IOCB_CMD_FSYNC, IOCB_CMD_FDSYNC, IOCB_CMD_NOOP, IOCB_CMD_PREADV, IOCB_CMD_PWRITEV, IOCB_CMD_POLL
+iocb_flags = 0, IOCB_FLAG_RESFD, IOCB_FLAG_IOPRIO
 
 io_event {
 	data	int64
@@ -36,5 +36,5 @@ iocb {
 	aio_offset	int64
 	aio_reserved2	const[0, int64]
 	aio_flags	flags[iocb_flags, int32]
-	aio_resfd	fd_event
+	aio_resfd	fd_event[opt]
 }
diff --git a/sys/linux/aio_386.const b/sys/linux/aio_386.const
index b48b3545..074e6110 100644
--- a/sys/linux/aio_386.const
+++ b/sys/linux/aio_386.const
@@ -2,10 +2,12 @@
 IOCB_CMD_FDSYNC = 3
 IOCB_CMD_FSYNC = 2
 IOCB_CMD_NOOP = 6
+IOCB_CMD_POLL = 5
 IOCB_CMD_PREAD = 0
 IOCB_CMD_PREADV = 7
 IOCB_CMD_PWRITE = 1
 IOCB_CMD_PWRITEV = 8
+IOCB_FLAG_IOPRIO = 2
 IOCB_FLAG_RESFD = 1
 __NR_io_cancel = 249
 __NR_io_destroy = 246
diff --git a/sys/linux/aio_amd64.const b/sys/linux/aio_amd64.const
index 9895dc5f..fe3116ac 100644
--- a/sys/linux/aio_amd64.const
+++ b/sys/linux/aio_amd64.const
@@ -2,10 +2,12 @@
 IOCB_CMD_FDSYNC = 3
 IOCB_CMD_FSYNC = 2
 IOCB_CMD_NOOP = 6
+IOCB_CMD_POLL = 5
 IOCB_CMD_PREAD = 0
 IOCB_CMD_PREADV = 7
 IOCB_CMD_PWRITE = 1
 IOCB_CMD_PWRITEV = 8
+IOCB_FLAG_IOPRIO = 2
 IOCB_FLAG_RESFD = 1
 __NR_io_cancel = 210
 __NR_io_destroy = 207
diff --git a/sys/linux/aio_arm.const b/sys/linux/aio_arm.const
index b73dbb48..1bca789d 100644
--- a/sys/linux/aio_arm.const
+++ b/sys/linux/aio_arm.const
@@ -2,10 +2,12 @@
 IOCB_CMD_FDSYNC = 3
 IOCB_CMD_FSYNC = 2
 IOCB_CMD_NOOP = 6
+IOCB_CMD_POLL = 5
 IOCB_CMD_PREAD = 0
 IOCB_CMD_PREADV = 7
 IOCB_CMD_PWRITE = 1
 IOCB_CMD_PWRITEV = 8
+IOCB_FLAG_IOPRIO = 2
 IOCB_FLAG_RESFD = 1
 __NR_io_cancel = 247
 __NR_io_destroy = 244
diff --git a/sys/linux/aio_arm64.const b/sys/linux/aio_arm64.const
index 4033d311..1d36d572 100644
--- a/sys/linux/aio_arm64.const
+++ b/sys/linux/aio_arm64.const
@@ -2,10 +2,12 @@
 IOCB_CMD_FDSYNC = 3
 IOCB_CMD_FSYNC = 2
 IOCB_CMD_NOOP = 6
+IOCB_CMD_POLL = 5
 IOCB_CMD_PREAD = 0
 IOCB_CMD_PREADV = 7
 IOCB_CMD_PWRITE = 1
 IOCB_CMD_PWRITEV = 8
+IOCB_FLAG_IOPRIO = 2
 IOCB_FLAG_RESFD = 1
 __NR_io_cancel = 3
 __NR_io_destroy = 1
diff --git a/sys/linux/aio_ppc64le.const b/sys/linux/aio_ppc64le.const
index 418aa954..eb26b6d5 100644
--- a/sys/linux/aio_ppc64le.const
+++ b/sys/linux/aio_ppc64le.const
@@ -2,10 +2,12 @@
 IOCB_CMD_FDSYNC = 3
 IOCB_CMD_FSYNC = 2
 IOCB_CMD_NOOP = 6
+IOCB_CMD_POLL = 5
 IOCB_CMD_PREAD = 0
 IOCB_CMD_PREADV = 7
 IOCB_CMD_PWRITE = 1
 IOCB_CMD_PWRITEV = 8
+IOCB_FLAG_IOPRIO = 2
 IOCB_FLAG_RESFD = 1
 __NR_io_cancel = 231
 __NR_io_destroy = 228
diff --git a/sys/linux/gen/386.go b/sys/linux/gen/386.go
index 1a9560dc..e43350be 100644
--- a/sys/linux/gen/386.go
+++ b/sys/linux/gen/386.go
@@ -5605,15 +5605,15 @@ var structDescs_386 = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_data", TypeSize: 8}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_key", TypeSize: 4}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_rw_flags", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8, 5}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "aio_reqprio", TypeSize: 2}}},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "aio_fildes", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "aio_buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "aio_nbytes", TypeSize: 8}}, Buf: "aio_buf"},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "aio_offset", TypeSize: 8}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_reserved2", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1}, BitMask: true},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4, IsOptional: true}},
 	}}},
 	{Key: StructKey{Name: "ion_allocation_data", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ion_allocation_data", TypeSize: 24, ArgDir: 2}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "len", TypeSize: 8, ArgDir: 2}}},
@@ -35070,10 +35070,12 @@ var consts_386 = []ConstValue{
 	{Name: "IOCB_CMD_FDSYNC", Value: 3},
 	{Name: "IOCB_CMD_FSYNC", Value: 2},
 	{Name: "IOCB_CMD_NOOP", Value: 6},
+	{Name: "IOCB_CMD_POLL", Value: 5},
 	{Name: "IOCB_CMD_PREAD"},
 	{Name: "IOCB_CMD_PREADV", Value: 7},
 	{Name: "IOCB_CMD_PWRITE", Value: 1},
 	{Name: "IOCB_CMD_PWRITEV", Value: 8},
+	{Name: "IOCB_FLAG_IOPRIO", Value: 2},
 	{Name: "IOCB_FLAG_RESFD", Value: 1},
 	{Name: "IOC_PR_CLEAR", Value: 1074819277},
 	{Name: "IOC_PR_PREEMPT", Value: 1075343563},
@@ -39836,4 +39838,4 @@ var consts_386 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_386 = "653420e40f1229688e81b83af5d94ec00d3f8b36"
+const revision_386 = "5982ba714be578b0e48d6812f6ca86b2b3e5319f"
diff --git a/sys/linux/gen/amd64.go b/sys/linux/gen/amd64.go
index 3b00d42e..e99c84be 100644
--- a/sys/linux/gen/amd64.go
+++ b/sys/linux/gen/amd64.go
@@ -5706,15 +5706,15 @@ var structDescs_amd64 = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_data", TypeSize: 8}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_key", TypeSize: 4}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_rw_flags", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8, 5}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "aio_reqprio", TypeSize: 2}}},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "aio_fildes", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "aio_buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "aio_nbytes", TypeSize: 8}}, Buf: "aio_buf"},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "aio_offset", TypeSize: 8}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_reserved2", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1}, BitMask: true},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4, IsOptional: true}},
 	}}},
 	{Key: StructKey{Name: "ion_allocation_data", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ion_allocation_data", TypeSize: 24, ArgDir: 2}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "len", TypeSize: 8, ArgDir: 2}}},
@@ -35732,10 +35732,12 @@ var consts_amd64 = []ConstValue{
 	{Name: "IOCB_CMD_FDSYNC", Value: 3},
 	{Name: "IOCB_CMD_FSYNC", Value: 2},
 	{Name: "IOCB_CMD_NOOP", Value: 6},
+	{Name: "IOCB_CMD_POLL", Value: 5},
 	{Name: "IOCB_CMD_PREAD"},
 	{Name: "IOCB_CMD_PREADV", Value: 7},
 	{Name: "IOCB_CMD_PWRITE", Value: 1},
 	{Name: "IOCB_CMD_PWRITEV", Value: 8},
+	{Name: "IOCB_FLAG_IOPRIO", Value: 2},
 	{Name: "IOCB_FLAG_RESFD", Value: 1},
 	{Name: "IOC_PR_CLEAR", Value: 1074819277},
 	{Name: "IOC_PR_PREEMPT", Value: 1075343563},
@@ -40523,4 +40525,4 @@ var consts_amd64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_amd64 = "05f2fe589c5c3436257454e091f72e966610d5db"
+const revision_amd64 = "2862500fc252bb9eab587624daf26f14249e4ef7"
diff --git a/sys/linux/gen/arm.go b/sys/linux/gen/arm.go
index 616fde9b..171341bf 100644
--- a/sys/linux/gen/arm.go
+++ b/sys/linux/gen/arm.go
@@ -5610,15 +5610,15 @@ var structDescs_arm = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_data", TypeSize: 8}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_key", TypeSize: 4}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_rw_flags", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8, 5}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "aio_reqprio", TypeSize: 2}}},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "aio_fildes", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "aio_buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "aio_nbytes", TypeSize: 8}}, Buf: "aio_buf"},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "aio_offset", TypeSize: 8}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_reserved2", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1}, BitMask: true},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4, IsOptional: true}},
 	}}},
 	{Key: StructKey{Name: "ion_allocation_data", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ion_allocation_data", TypeSize: 24, ArgDir: 2}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "len", TypeSize: 8, ArgDir: 2}}},
@@ -34978,10 +34978,12 @@ var consts_arm = []ConstValue{
 	{Name: "IOCB_CMD_FDSYNC", Value: 3},
 	{Name: "IOCB_CMD_FSYNC", Value: 2},
 	{Name: "IOCB_CMD_NOOP", Value: 6},
+	{Name: "IOCB_CMD_POLL", Value: 5},
 	{Name: "IOCB_CMD_PREAD"},
 	{Name: "IOCB_CMD_PREADV", Value: 7},
 	{Name: "IOCB_CMD_PWRITE", Value: 1},
 	{Name: "IOCB_CMD_PWRITEV", Value: 8},
+	{Name: "IOCB_FLAG_IOPRIO", Value: 2},
 	{Name: "IOCB_FLAG_RESFD", Value: 1},
 	{Name: "IOC_PR_CLEAR", Value: 1074819277},
 	{Name: "IOC_PR_PREEMPT", Value: 1075343563},
@@ -39694,4 +39696,4 @@ var consts_arm = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm = "fbdcb749741366eb0ddae36e107d657053bc3ddb"
+const revision_arm = "667206c7f1c12ec281d7f28425b426832e25f0d1"
diff --git a/sys/linux/gen/arm64.go b/sys/linux/gen/arm64.go
index 77a25444..90efb224 100644
--- a/sys/linux/gen/arm64.go
+++ b/sys/linux/gen/arm64.go
@@ -5706,15 +5706,15 @@ var structDescs_arm64 = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_data", TypeSize: 8}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_key", TypeSize: 4}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_rw_flags", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8, 5}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "aio_reqprio", TypeSize: 2}}},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "aio_fildes", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "aio_buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "aio_nbytes", TypeSize: 8}}, Buf: "aio_buf"},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "aio_offset", TypeSize: 8}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_reserved2", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1}, BitMask: true},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4, IsOptional: true}},
 	}}},
 	{Key: StructKey{Name: "ion_allocation_data", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ion_allocation_data", TypeSize: 24, ArgDir: 2}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "len", TypeSize: 8, ArgDir: 2}}},
@@ -35182,10 +35182,12 @@ var consts_arm64 = []ConstValue{
 	{Name: "IOCB_CMD_FDSYNC", Value: 3},
 	{Name: "IOCB_CMD_FSYNC", Value: 2},
 	{Name: "IOCB_CMD_NOOP", Value: 6},
+	{Name: "IOCB_CMD_POLL", Value: 5},
 	{Name: "IOCB_CMD_PREAD"},
 	{Name: "IOCB_CMD_PREADV", Value: 7},
 	{Name: "IOCB_CMD_PWRITE", Value: 1},
 	{Name: "IOCB_CMD_PWRITEV", Value: 8},
+	{Name: "IOCB_FLAG_IOPRIO", Value: 2},
 	{Name: "IOCB_FLAG_RESFD", Value: 1},
 	{Name: "IOC_PR_CLEAR", Value: 1074819277},
 	{Name: "IOC_PR_PREEMPT", Value: 1075343563},
@@ -39888,4 +39890,4 @@ var consts_arm64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm64 = "08c218976280776c081377a76ece94c9005958ec"
+const revision_arm64 = "f11cfc21c24ab7735603db724db6796fae349d21"
diff --git a/sys/linux/gen/ppc64le.go b/sys/linux/gen/ppc64le.go
index b95a6f62..f7cd4ae4 100644
--- a/sys/linux/gen/ppc64le.go
+++ b/sys/linux/gen/ppc64le.go
@@ -5697,15 +5697,15 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_data", TypeSize: 8}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_key", TypeSize: 4}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_rw_flags", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8, 5}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "aio_reqprio", TypeSize: 2}}},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "aio_fildes", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "aio_buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "aio_nbytes", TypeSize: 8}}, Buf: "aio_buf"},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "aio_offset", TypeSize: 8}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_reserved2", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1}, BitMask: true},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4, IsOptional: true}},
 	}}},
 	{Key: StructKey{Name: "ion_allocation_data", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ion_allocation_data", TypeSize: 24, ArgDir: 2}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "len", TypeSize: 8, ArgDir: 2}}},
@@ -33649,10 +33649,12 @@ var consts_ppc64le = []ConstValue{
 	{Name: "IOCB_CMD_FDSYNC", Value: 3},
 	{Name: "IOCB_CMD_FSYNC", Value: 2},
 	{Name: "IOCB_CMD_NOOP", Value: 6},
+	{Name: "IOCB_CMD_POLL", Value: 5},
 	{Name: "IOCB_CMD_PREAD"},
 	{Name: "IOCB_CMD_PREADV", Value: 7},
 	{Name: "IOCB_CMD_PWRITE", Value: 1},
 	{Name: "IOCB_CMD_PWRITEV", Value: 8},
+	{Name: "IOCB_FLAG_IOPRIO", Value: 2},
 	{Name: "IOCB_FLAG_RESFD", Value: 1},
 	{Name: "IOC_PR_CLEAR", Value: 2148561101},
 	{Name: "IOC_PR_PREEMPT", Value: 2149085387},
@@ -37319,4 +37321,4 @@ var consts_ppc64le = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_ppc64le = "f48d04238b4a7847cf4e24a8548d31c6650a3f3e"
+const revision_ppc64le = "6833133f78873e7293546a201de446f354b741bc"