mirror-linux/kernel
Linus Torvalds 08b8ddac1f Address various objtool scalability bugs/inefficiencies exposed by
allmodconfig builds, plus improve the quality of alternatives
 instructions generated code and disassembly.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2025-12-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool fixes from Ingo Molnar:
 "Address various objtool scalability bugs/inefficiencies exposed by
  allmodconfig builds, plus improve the quality of alternatives
  instructions generated code and disassembly"

* tag 'objtool-urgent-2025-12-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Simplify .annotate_insn code generation output some more
  objtool: Add more robust signal error handling, detect and warn about stack overflows
  objtool: Remove newlines and tabs from annotation macros
  objtool: Consolidate annotation macros
  x86/asm: Remove ANNOTATE_DATA_SPECIAL usage
  x86/alternative: Remove ANNOTATE_DATA_SPECIAL usage
  objtool: Fix stack overflow in validate_branch()
2025-12-06 11:56:51 -08:00
..
bpf Some filesystems use a kinda-sorta controlled dentry refcount leak to pin 2025-12-05 14:36:21 -08:00
cgroup Significant patch series in this merge are as follows: 2025-12-05 13:52:43 -08:00
configs kcfi: Rename CONFIG_CFI_CLANG to CONFIG_CFI 2025-09-24 14:29:14 -07:00
debug kdb: Adapt kdb_msg_write to work with NBCON consoles 2025-10-24 12:56:20 +02:00
dma dma-mapping updates for Linux 6.19: 2025-12-06 09:25:05 -08:00
entry rseq: Switch to TIF_RSEQ if supported 2025-11-04 08:35:37 +01:00
events Performance events changes for v6.19: 2025-12-01 20:42:01 -08:00
futex Scoped user mode access and related changes: 2025-12-02 08:01:39 -08:00
gcov gcov: add support for GCC 15 2025-11-09 21:19:44 -08:00
irq soc: driver updates for 6.19 2025-12-05 17:29:04 -08:00
kcsan Kernel Concurrency Sanitizer (KCSAN) updates for v6.18 2025-10-02 08:31:44 -07:00
livepatch livepatching changes for 6.19 2025-12-03 13:46:48 -08:00
locking RCU pull request for v6.19 2025-12-03 12:18:07 -08:00
module ima: Access decompressed kernel module to verify appended signature 2025-11-19 09:19:42 -05:00
power Merge branches 'pm-qos' and 'pm-tools' 2025-11-28 16:50:45 +01:00
printk soc: driver updates for 6.19 2025-12-05 17:29:04 -08:00
rcu RCU pull request for v6.19 2025-12-03 12:18:07 -08:00
sched sched_ext: Changes for v6.19 2025-12-03 13:25:39 -08:00
time soc: driver updates for 6.19 2025-12-05 17:29:04 -08:00
trace Probes for v6.19 2025-12-05 10:55:47 -08:00
unwind unwind_user/x86: Teach FP unwind about start of function 2025-10-29 10:29:58 +01:00
.gitignore kheaders: rebuild kheaders_data.tar.xz when a file is modified within a minute 2025-06-24 20:30:37 +09:00
Kconfig.freezer
Kconfig.hz
Kconfig.kexec kho: warn and fail on metadata or preserved memory in scratch area 2025-11-09 21:19:41 -08:00
Kconfig.locks
Kconfig.preempt softirq: Allow to drop the softirq-BKL lock on PREEMPT_RT 2025-09-17 16:25:41 +02:00
Makefile kho: warn and fail on metadata or preserved memory in scratch area 2025-11-09 21:19:41 -08:00
acct.c act: use credential guards in acct_write_process() 2025-11-04 12:36:49 +01:00
async.c
audit.c audit: fix skb leak when audit rate limit is exceeded 2025-09-10 19:55:00 -04:00
audit.h audit: fix comment misindentation in audit.h 2025-10-22 19:28:06 -04:00
audit_fsnotify.c VFS/audit: introduce kern_path_parent() for audit 2025-09-23 12:37:35 +02:00
audit_tree.c mount-related stuff for this cycle 2025-10-03 10:19:44 -07:00
audit_watch.c VFS/audit: introduce kern_path_parent() for audit 2025-09-23 12:37:35 +02:00
auditfilter.c audit: Use kzalloc() instead of kmalloc()/memset() in audit_krule_to_data() 2025-11-07 16:38:34 -05:00
auditsc.c audit: merge loops in __audit_inode_child() 2025-11-07 16:50:42 -05:00
backtracetest.c
bounds.c x86/asm: Remove ANNOTATE_DATA_SPECIAL usage 2025-12-03 16:53:19 +01:00
capability.c
cfi.c cfi: Move BPF CFI types and helpers to generic code 2025-07-31 18:23:53 -07:00
compat.c
configs.c
context_tracking.c
cpu.c cpumask: Cache num_possible_cpus() 2025-11-25 19:45:40 +01:00
cpu_pm.c syscore: Pass context data to callbacks 2025-11-14 10:01:52 +01:00
crash_core.c crash: fix crashkernel resource shrink 2025-11-15 10:52:01 -08:00
crash_core_test.c crash: add KUnit tests for crash_exclude_mem_range 2025-09-13 17:32:55 -07:00
crash_dump_dm_crypt.c crash_dump: retrieve dm crypt keys in kdump kernel 2025-05-21 10:48:21 -07:00
crash_reserve.c kdump: implement reserve_crashkernel_cma 2025-07-19 19:08:23 -07:00
cred.c kernel-6.19-rc1.cred 2025-12-01 13:45:41 -08:00
delayacct.c delayacct: remove redundant code and adjust indentation 2025-05-27 19:40:33 -07:00
dma.c
elfcorehdr.c
exec_domain.c
exit.c cgroup: Changes for v6.19 2025-12-03 13:04:07 -08:00
exit.h
extable.c
fail_function.c
fork.c Significant patch series in this merge are as follows: 2025-12-05 13:52:43 -08:00
freezer.c freezer: Clarify that only cgroup1 freezer uses PM freezer 2025-10-30 20:10:27 +01:00
gen_kheaders.sh kheaders: make it possible to override TAR 2025-08-06 10:23:36 +09:00
groups.c
hung_task.c hung_task: dump blocker task if it is not hung 2025-09-13 17:32:43 -07:00
iomem.c
irq_work.c
jump_label.c
kallsyms.c kallsyms: Fix wrong "big" kernel symbol type read from procfs 2025-11-24 16:56:24 +01:00
kallsyms_internal.h
kallsyms_selftest.c kallsyms: use kmalloc_array() instead of kmalloc() 2025-09-28 11:36:14 -07:00
kallsyms_selftest.h
kcmp.c
kcov.c kcov: use write memory barrier after memcpy() in kcov_move_area() 2025-09-13 17:32:44 -07:00
kexec.c kexec: enable CMA based contiguous allocation 2025-08-02 12:01:38 -07:00
kexec_core.c kexec_core: remove redundant 0 value initialization 2025-09-13 17:32:49 -07:00
kexec_elf.c
kexec_file.c x86/kexec: carry forward the boot DTB on kexec 2025-09-13 17:32:43 -07:00
kexec_handover.c kho: warn and exit when unpreserved page wasn't preserved 2025-11-09 21:19:47 -08:00
kexec_handover_debug.c kho: warn and fail on metadata or preserved memory in scratch area 2025-11-09 21:19:41 -08:00
kexec_handover_internal.h kho: warn and fail on metadata or preserved memory in scratch area 2025-11-09 21:19:41 -08:00
kexec_internal.h kexec: enable CMA based contiguous allocation 2025-08-02 12:01:38 -07:00
kheaders.c
kprobes.c kprobes: Add missing kerneldoc for __get_insn_slot 2025-07-15 18:45:34 +09:00
kstack_erase.c sysctl: remove __user qualifier from stack_erasing_sysctl buffer argument 2025-11-27 15:44:53 +01:00
ksyms_common.c
ksysfs.c
kthread.c sched: Rename do_set_cpus_allowed() 2025-10-16 11:13:53 +02:00
latencytop.c
module_signature.c
notifier.c
nscommon.c ns: rename is_initial_namespace() 2025-11-11 10:01:31 +01:00
nsproxy.c nsproxy: fix free_nsproxy() and simplify create_new_namespaces() 2025-11-14 13:10:38 +01:00
nstree.c nstree: fix kernel-doc comments for internal functions 2025-11-14 13:10:38 +01:00
padata.c padata: remove __padata_list_init() 2025-11-14 18:15:49 +08:00
panic.c Merge branch 'objtool/core' 2025-11-21 11:21:20 +01:00
params.c params: Replace deprecated strcpy() with strscpy() and memcpy() 2025-08-16 21:47:25 +02:00
pid.c ns: drop custom reference count initialization for initial namespaces 2025-11-11 10:01:32 +01:00
pid_namespace.c pid: rely on common reference count behavior 2025-11-11 10:01:32 +01:00
pid_sysctl.h
profile.c
ptrace.c rseq: Introduce struct rseq_data 2025-11-04 08:30:50 +01:00
range.c
reboot.c
regset.c
relay.c relay: update relay to use mmap_prepare 2025-11-16 17:28:11 -08:00
resource.c resource: improve child resource handling in release_mem_region_adjustable() 2025-09-21 14:22:34 -07:00
resource_kunit.c
rseq.c rseq: Switch to fast path processing on exit to user 2025-11-04 08:34:39 +01:00
scftorture.c
scs.c
seccomp.c Performance events updates for v6.18: 2025-09-30 11:11:21 -07:00
signal.c signal: Move MMCID exit out of sighand lock 2025-11-25 19:45:40 +01:00
smp.c smp: Introduce a helper function to check for pending IPIs 2025-11-19 18:06:50 +01:00
smpboot.c sched/smp: Use the SMP version of idle_thread_set_boot_cpu() 2025-06-13 08:47:20 +02:00
smpboot.h
softirq.c softirq: Allow to drop the softirq-BKL lock on PREEMPT_RT 2025-09-17 16:25:41 +02:00
stacktrace.c
static_call.c
static_call_inline.c
stop_machine.c sched/core: Fix migrate_swap() vs. hotplug 2025-07-01 15:02:03 +02:00
sys.c Patch series in this pull request: 2025-10-02 18:44:54 -07:00
sys_ni.c uprobes/x86: Add uprobe syscall to speed up uprobe 2025-08-21 20:09:20 +02:00
sysctl-test.c
sysctl.c sysctl: Wrap do_proc_douintvec with the public function proc_douintvec_conv 2025-11-27 15:45:38 +01:00
task_work.c task_work: Fix NMI race condition 2025-10-29 10:29:54 +01:00
taskstats.c
torture.c torture: Delay CPU-hotplug operations until boot completes 2025-08-14 15:26:30 -07:00
tracepoint.c
tsacct.c pid: change bacct_add_tsk() to use task_ppid_nr_ns() 2025-08-19 13:38:20 +02:00
ucount.c ucount: use atomic_long_try_cmpxchg() in atomic_long_inc_below() 2025-08-02 12:01:38 -07:00
uid16.c
uid16.h
umh.c
up.c
user-return-notifier.c
user.c ns: drop custom reference count initialization for initial namespaces 2025-11-11 10:01:32 +01:00
user_namespace.c ns: move ns type into struct ns_common 2025-09-25 09:23:54 +02:00
utsname.c namespace-6.18-rc1 2025-09-29 11:20:29 -07:00
utsname_sysctl.c
vhost_task.c vhost: Take a reference on the task in struct vhost_task. 2025-09-21 17:44:20 -04:00
vmcore_info.c
watch_queue.c watch_queue: Use local kmap in post_one_notification() 2025-11-19 12:17:28 +01:00
watchdog.c Summary 2025-12-05 11:15:37 -08:00
watchdog_buddy.c watchdog: fix opencoded cpumask_next_wrap() in watchdog_next_cpu() 2025-07-31 11:28:03 -04:00
watchdog_perf.c watchdog: skip checks when panic is in progress 2025-09-13 17:32:53 -07:00
workqueue.c workqueue: Don't rely on wq->rescuer to stop rescuer 2025-11-21 09:45:36 -10:00
workqueue_internal.h