+2021-04-23 (National Take a Chance (on me ?) Day) LTTng modules 2.13.0-rc1
+ * Set the 2.13 release codename and description
+ * Fix: LTTng-modules ABI ioctl wrong direction
+ * Refactoring: bytecode interpreter
+ * Move probe_ctx argument to align with lttng-ust
+ * Combine event notifier and recorder enable/disable functions
+ * Refactoring: combine probe callbacks
+ * Combine event recorder and notifier destroy
+ * Refactoring: event structures
+ * lttng-probes: Warn of event's and provider's name for mismatch
+ * fix: mm, tracing: kfree event name mismatching with provider kmem (v5.12)
+ * fix: refactor contexts for type description structures
+ * fix: remove 'src/' from modules install path
+ * fix: Adjust ranges for Ubuntu 5.4.0-67 kernel
+ * fix: block: add a disk_uevent helper (v5.12)
+ * Fix: perf counters: uninitialized field
+ * Cleanup: implement dedicated file operations for events and enablers
+ * Namespace LTTng modules ABI with lttng_kernel_abi_ prefix
+ * Refactoring: type description structures
+ * Prefix lttng_enum_desc with lttng_kernel_
+ * Prefix lttng_enum_value and lttng_enum_entry with lttng_kernel_
+ * Introduce internal event header
+ * Cleanup: namespace string encoding
+ * Cleanup: Rename abstract types to lttng_kernel_type
+ * Cleanup: event_notifier -> notify in comments
+ * Fix: event notifier: add missing parameters validation
+ * msgpack: use KERNEL namespace for header protection
+ * Cleanup: lttng_abi_create_event{,_notifier}: use switch/case rather than if
+ * Add entryexit field to kretprobes ABI
+ * Add missing fallthrough comments
+ * No-op instrumentation is unsupported, cleanup fallthrough comments
+ * kretprobes: rename "return" to "exit"
+ * compiler warning cleanup: is_signed_type: compare -1 to 1
+ * Fix: bytecode linker: validate event and field array/sequence encoding
+ * Fix: racy notifier captures update vs traversal
+ * Fix: kretprobe: null ptr deref on session destroy
+ * Fix: bytecode linker: iteration on wrong list head
+ * counters: add coalesce_hits to ABI
+ * fix: mm, tracing: record slab name for kmem_cache_free() (v5.12)
+ * Fix: filter interpreter early-exits on uninitialized value
+ * Fix: memory leaks on event notifier destroy
+ * Fix: memory leaks on event destroy
+ * fix: Adjust ranges for Ubuntu 5.8.0-44 kernel
+ * Fix: do not use bdi_unknown_name symbol
+ * fix: memcg: fix a crash in wb_workfn when a device disappears (5.6)
+ * Fix: writeback: out-of-bound reads
+ * fix: Add one digit to RHEL major release version
+ * fix: Add one digit to SLES minor release version
+ * fix: RT_PATCH_VERSION is close to overflow
+ * fix: cast LTTNG_KERNEL_VERSION/LTTNG_LINUX_VERSION_CODE to uint64_t
+ * fix: double defined LTTNG_KERNEL_VERSION
+ * fix: UTS_UBUNTU_RELEASE_ABI is close to overflow
+ * fix: sublevel version overflow in LINUX_VERSION_CODE
+ * Namespace kernel version macros
+ * aarch64: blacklist gcc prior to 5.1
+ * fix: missing include for 'task_struct' in fdtable.h
+ * Fix: counter-api: always inline counter add function
+ * fix: genirq: Restrict export of irq_to_desc() (v5.11)
+ * fix: block: merge struct block_device and struct hd_struct (v5.11)
+ * fix: kprobes: Remove kretprobe hash (v5.11)
+ * fix: file: Rename fcheck lookup_fd_rcu (v5.11)
+ * fix: block: remove the request_queue argument to the block_bio_remap tracepoint (v5.11)
+ * fix: block: remove the request_queue argument to the block_split tracepoint (v5.11)
+ * fix: block: simplify and extend the block_bio_merge tracepoint class (v5.11)
+ * fix: block: remove the request_queue to argument request based tracepoints (v5.11)
+ * fix: remove floating-point arguments in msgpack
+ * abi: use 0, 1 for counter enumerations
+ * Cleanup: use tabs in abi.h
+ * Bump LTTNG_MODULES_ABI_MINOR_VERSION to 6
+ * Fix: handle default switch case with -EINVAL in lttng-syscalls
+ * fix: use wrapper for hlist_for_each_entry_rcu
+ * fix: asm/barrier.h was introduced in v3.4
+ * Fix: handle default switch case with -EINVAL in __lttng_counter_add
+ * Introduce lttng smp_store_release smp_load_acquire wrappers
+ * fix: include byteorder.h for 'cpu_to_*'
+ * Fix: notifier: use store-release/load-acquire for error counter
+ * Fix: event-notifier: Groups may not have an error counter
+ * Bump LTTNG_KERNEL_EVENT_NOTIFIER_PADDING to 32 bytes
+ * Fix: remove dead code in msgpack.c
+ * Fix: counter: cast UINT*_MAX to 64-bit signed type before negative
+ * Fix: include limits.h wrapper from libcounter
+ * Fix: include kernel.h in wrapper/limits.h
+ * Introduce limits wrapper
+ * Introduce lazy system call event creation
+ * Implement event notifier error counter
+ * Implement lib counter
+ * capture: Replace FIXME by explanation of the limit
+ * Implement capturing payload on event notifier
+ * Fix: comment related to filter bytecode list
+ * Fix: use vmalloc for filter bytecode allocation
+ * Implement enum and sequence capture serialization functions
+ * bytecode: Add `OBJECT_TYPE_{UN,}SIGNED_ENUM` type
+ * Generalize `lttng_enabler_link_bytecode()` bytecode list
+ * Cleanup: rename `_lttng_filter_link_bytecode()` -> `link_bytecode()`
+ * Add `interpreter_funcs` to `lttng_bytecode_runtime`
+ * bytecode: rename `lttng_filter_sync_state()` -> `lttng_bytecode_filter_sync_state()`
+ * Rename filter bytecode types and files
+ * bytecode: generalize `struct lttng_filter_bytecode_node`
+ * Add msgpack implementation for serializing captures
+ * bytecode: allow interpreter to return any type
+ * bytecode: propagate `rev_bo` of element
+ * bytecode: set register type to `REG_PTR` even if not used
+ * Add `lttng_bytecode_interpret_format_output()` for top of stack extraction
+ * bytecode: add `REG_U64` interpreter register type
+ * Fix: filter validator: refuse string and star glob input to bitwise operation
+ * Fix: bytecode: Validate register type for instructions expecting unknown type
+ * Cleanup: Rename filter functions/fields to mention "filter"
+ * Implement event notifiers for syscalls
+ * Fix: syscalls: address of statically allocated element never null
+ * Rename LTTNG_SYSCALL_MATCH_ -> LTTNG_KERNEL_SYSCALL_MATCH_
+ * Allow LTTNG_KERNEL_SYSCALL_{ENTRY, EXIT}
+ * syscalls: extract `lttng_syscall_filter_enable()` for reuse
+ * Cleanup: syscall: remove unused `syscall_name` field
+ * fix: adjust version range for trace_find_free_extent()
+ * Improve the release script
+ * Add release maintainer script
+ * fix: include order for older kernels
+ * fix: tracepoint: Optimize using static_call() (v5.10)
+ * fix: KVM: x86/mmu: Return unique RET_PF_* values if the fault was fixed (v5.10)
+ * fix: kvm: x86/mmu: Add TDP MMU PF handler (v5.10)
+ * fix: KVM: x86: Add intr/vectoring info and error code to kvm_exit tracepoint (v5.10)
+ * fix: ext4: fast commit recovery path (v5.10)
+ * fix: btrfs: make ordered extent tracepoint take btrfs_inode (v5.10)
+ * fix: btrfs: tracepoints: output proper root owner for trace_find_free_extent() (v5.10)
+ * fix: objtool: Rename frame.h -> objtool.h (v5.10)
+ * Revert "Implement event notifiers for syscalls"
+ * Fix: ressource leak in id tracker
+ * Implement event notifiers for syscalls
+ * lttng-syscalls.c: extract function calling actual probe
+ * Namespace syscall code relating to events
+ * Implement event notifiers for uprobes
+ * Namespace uprobe functions relating to events
+ * doc: event notifier on kretprobe is not supported
+ * Implement event notifiers for kprobes
+ * Namespace kprobe functions relating to events
+ * Implement event notifiers for tracepoints
+ * Implement event notifier probes
+ * Fix: event notifier: adapt read iterator state to poll expectations
+ * Fix: event-notifier: do not flush packet if it only contains subbuf header
+ * Implement lttng_event_notifier_group_notif_fops read, poll, open, release ABI
+ * Implement event notifier send notification
+ * Add event notifier and event notifier enabler
+ * Implement event notifier group create
+ * Add token to `struct lttng_kernel_event`
+ * lttng-events: move lttng_transport_find earlier in source file
+ * lib ring buffer: move subbuffer_consume_record into LTTNG_RING_BUFFER_COUNT_EVENTS ifdef
+ * lib ring buffer iterator: introduce lib_ring_buffer_put_current_record
+ * Introduce event notifier lib ring buffer client
+ * lttng_abi_create_stream_fd: expect fd name as parameter
+ * LTTng ring buffer clients: expect void pointer as private data to create channel
+ * lib ring buffer: use irq_work for wakeup by writer
+ * Rename `lttng_event_{get,put}()` to `lttng_event_desc_{get,put}()`
+ * Cleanup: extract function to borrow hashlist bucket
+ * Decouple `struct lttng_event` from filter code
+ * Rename `lttng_create_*_if_missing()` in anticipation of event notifiers
+ * Extract event enabler fields to specialized struct
+ * Docs: explain why unused `lttng_enabler::ctx` is kept around
+ * Rename `enum lttng_enabler_type` to `_format_type`
+ * Test: add signed value and enum for testings of event notifier capture
+ * Cleanup: remove usage of enum in ABI structures
+ * Fix: type mismatch in clone instrumentation
+ * syscalls: Make clone()'s `flags` field a 2 enum struct.
+ * fix: strncpy equals destination size warning
+ * Set version to 2.13-pre
+ * Cleanup: lttng-syscalls: silence warning about uninitialized bitmap variable
+ * Add 'kernel_read' wrapper for kernels < v4.14
+ * fix: Use 'kernel_read' to read from procfs
+ * fix: don't allow userspace copy to read kernel memory
+ * fix: Add a 1MB limit to lttng_strlen_user_inatomic
+ * fix: Adjust ranges for Ubuntu 4.15.0-119 kernel
+ * fix: Adjust ranges for Ubuntu HWE 5.0 kernels
+ * Fix: system call filter table
+ * fix: version ranges for ext4_discard_preallocations and writeback_queue_io
+ * fix: writeback: Fix sync livelock due to b_dirty_time processing (v5.9)
+ * fix: writeback: Drop I_DIRTY_TIME_EXPIRE (v5.9)
+ * fix: removal of [smp_]read_barrier_depends (v5.9)
+ * fix: ext4: indicate via a block bitmap read is prefetched… (v5.9)
+ * fix: ext4: limit the length of per-inode prealloc list (v5.9)
+ * fix: KVM: x86/mmu: Make kvm_mmu_page definition and accessor internal-only (v5.9)
+ * fix: Move mmutrace.h into the mmu/ sub-directory (v5.9)
+ * Namespace all logging statements
+ * Kconfig: fix dependency issue when building in-tree without CONFIG_FTRACE
+ * Fix: mmap enum flags build failures
+ * syscalls: Make mmap()'s fields `prot` and `flags` enums
+ * x86: add error code enum to pagefault tracepoints
+ * Fix: TAINT_UNSAFE_SMP renamed to TAINT_CPU_OUT_OF_SPEC in v3.15
+ * module_load: change `taints` field to `ctf_enum`
+ * Fix: Lock metadata cache on session destroy
+ * Fix: metadata stream leak, missing list removal and locking
+ * Fix: coherent state not changed atomically with metadata written
+ * fix: include module.h for EXPORT_SYMBOL_GPL
+ * fix: __lttng_vmalloc_node_range const caller introduced in v3.6
+ * fix: version range for overflow_callback
+ * fix: global_dirty_limit was introduced in v3.1
+ * fix: wrapper_uprobe_unregister is a void function
+ * fix: prior to v4.0, __vmalloc_node_range had no vm_flags param
+ * fix: vmalloc on v5.8 without KALLSYMS
+ * Detect missing symbols used with kallsyms_lookup at compile time
+ * Add time namespace context
+ * Use exported symbol bdevname() instead of disk_name()
+ * Add git-review config
+ * fix: mm: remove vmalloc_sync_(un)mappings() (v5.8)
+ * Update design document
+ * Add lttng-modules design document
+ * Fix: callstack: initialize nested sequence length field name
+ * Fix: callstack: NULL pointer dereference: length field also need fdata
+ * Fix: callstack context memory corruption
+ * fix: mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK (v5.8)
+ * fix: block: remove the error argument to the block_bio_complete (v5.8)
+ * fix: pipe_buf_operations rework (v5.8)
+ * Fix: syscalls: Ignore fcntl cmd specific to 32-bit in 64-bit only config
+ * Fix: Implement RING_BUFFER_GET_NEXT_SUBBUF_METADATA_CHECK
+ * fix: vmalloc_sync_mappings was backported to v5.5.12
+ * Update: Additional kernel ranges for vmalloc_sync_mappings
+ * Update: Use vmalloc_sync_mappings for stable kernels
+ * Fix: Use vmalloc_sync_mappings on kernel 5.6 as well
+ * Cleanup: remove unsupported `ctf_float()` macros
+ * Cleanup: have interpreter functions return _DISCARD instead of 0
+ * Cleanup: bytecode: typo: "s16" -> "u16"
+ * Cleanup: Rename patches.i to patches.h
+ * Cleanup: Move all source files to src/
+ * Cleanup: Move patches.i to include/generated/
+ * Cleanup: Move lttng-modules instrumentation headers
+ * Cleanup: Remove toplevel directory from include search path
+ * Cleanup: Move blacklist/ headers to include/blacklist/
+ * Cleanup: Move wrapper/ headers to include/wrapper/
+ * Cleanup: Move instrumentation/ headers to include/instrumentation/
+ * Cleanup: Remove deprecated TODO file
+ * fix: add missing guid_t type to wrapper
+ * Fix: missing wrapper rename to wrapper_vmalloc_sync_mappings
+ * Cleanup: Move headers from toplevel to include/lttng/
+ * Cleanup: Move headers from probes/ to include/lttng/
+ * Cleanup: Move headers from lib/ to include/lttng/
+ * Cleanup: Move lib/ringbuffer/ headers to include/ringbuffer/
+ * Fix: wrapper random documentation
+ * Update for kernel 5.7: use vmalloc_sync_mappings on kernels >= 5.7
+ * Unbreak LTTng for kernel 5.7
+ * Move lttng wrappers into own module
+ * Introduce lttng_guid_gen wrapper for kernels >= 5.7.0
+ * instrumentation: update x86 kvm instrumentation for kernel >= 5.7.0
+ * instrumentation: update mm_vmscan for kernel >= 5.7.0
+ * filter: bytecode already in the list should go before
+ * tracepoint: Refactor representation of nested types
+ * wrapper/compiler.h: Implement __LTTNG_COMPOUND_LITERAL
+ * Update to SPDX v3.0 identifiers
+ * fix: uaccess wrapper for CentOS >= 4.18.0-147
+ * fix: ext4 instrumentation for CentOS >= 4.18.0-147
+ * fix: signal instrumentation for CentOS >= 4.18.0-147
+ * fix: kvm instrumentation for CentOS >= 4.18.0-147
+ * fix: rcu instrumentation for CentOS >= 4.18.0-80
+ * Fix: update kvm instrumentation for Ubuntu 5.3.0-45
+ * Fix: update kvm instrumentation for Ubuntu 5.3.0-43
+ * Fix: fcntl enum: only emit F_GETOWNER_UIDS for kernels >= 3.6
+ * syscalls: Make the cmd field of fcntl an enum
+ * syscalls: Make the flags and mode fields of open[at] enumerations
+ * Fix: update kvm instrumentation for Ubuntu 4.15.0-92
+ * Record event as soon as one filter evaluates to TRUE
+ * Add UDP and ICMP packet header information to the tracepoint
+ * statedump: introduce file_table_address
+ * Remove kernel version from syscall headers name
+ * Add script to automate the syscall extraction process
+ * Update lttng-syscalls-extractor for v5.6.0
+ * Add a Makefile for the lttng-syscalls-extractor module
+ * Cleanup: Syscall headers scripts shellcheck warnings
+ * Remove lttng-ftrace integration
+ * Remove dependency on kallsyms for splice_to_pipe (kernel 4.2+)
+ * Remove dependency on kallsyms for irq_to_desc (kernel 3.4+)
+ * Remove work-around for signed tracepoint module tainting (kernel 3.15+)
+ * Change integer base to hex for fields representing addresses
+ * Fix: rcu: Fix data-race due to atomic_t copy-by-value (5.5.6, 5.4.22)
+ * fix: y2038: hide timeval/timespec/itimerval/itimerspec types (v5.6)
+ * fix: use timespec64 on kernels that have it
+ * fix: move lttng_close_on_exec to proper wrapper
+ * fix: 'struct timex' removed upstream (v5.6)
+ * Fix: statedump: consistently check task_cred_xxx() return value for NULL
+ * Fix: statedump: check task_active_pid_ns return value for NULL
+ * Fix: lttng-events.c: variable may be used uninitialized
+ * Cleanup: remove trailing white spaces across project
+ * sched: Make the sched_switch task state an enum
+ * block: Make the rwbs field as a bit field enum
+ * fix: workqueue: add worker function to workqueue_execute_end tracepoint (v5.6)
+ * fix: media: v4l2: abstract timeval handling in v4l2_buffer (v5.6)
+ * fix: rcu: Remove kfree_rcu() special casing and lazy-callback (v5.6)
+ * fix: rcu: Fix data-race due to atomic_t copy-by-value (v5.6)
+ * fix: btrfs: make btrfs_ordered_extent naming consistent (v5.6)
+ * fix: KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit (v5.6)
+ * fix: proc: decouple proc from VFS with "struct proc_ops" (v5.6)
+
2020-02-05 (National Weatherperson's Day) LTTng modules 2.12.0-rc1
* Fix: lttng-syscalls.c: marking wrong syscall probe as unregistered
* Version 2.12.0-pre