linux/kernel/trace
Vincent Donnefort 601ddaceb8 ring-buffer: Allow sparse CPU masks in ring_buffer_desc()
No user currently relies on sparse CPU masks, but the descriptor logic already
supports them via linear fallback. Remove the arbitrary limitation.

Link: https://patch.msgid.link/20260709160017.1729517-4-vdonnefort@google.com
Fixes: 2e67fabd8b ("ring-buffer: Introduce ring-buffer remotes")
Reported-by: Sashiko <sashiko-bot@kernel.org>
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-07-10 14:04:26 -04:00
..
rv rv: Use 0 to check preemption enabled in opid 2026-06-03 12:33:25 +02:00
blktrace.c block-7.0-20260305 2026-03-06 08:36:18 -08:00
bpf_trace.c bpf: Add missing access_ok call to copy_user_syms 2026-06-21 18:01:33 -07:00
bpf_trace.h
error_report-traces.c
fgraph.c fgraph: Do not call handlers direct when not using ftrace_ops 2026-02-19 15:21:22 -05:00
fprobe.c tracing/fprobe: Fix NULL pointer dereference in fprobe_fgraph_entry() 2026-06-30 23:58:19 +09:00
ftrace_internal.h
ftrace.c ftrace: Add add_ftrace_hash_entry function 2026-06-07 10:03:00 -07:00
Kconfig ring-buffer: Add persistent ring buffer invalid-page inject test 2026-05-28 22:40:51 -04:00
kprobe_event_gen_test.c
Makefile tracing: Updates for v7.2: 2026-06-18 20:53:00 -07:00
pid_list.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
pid_list.h
power-traces.c
preemptirq_delay_test.c
remote_test_events.h tracing: Add a trace remote module for testing 2026-03-09 12:33:55 -04:00
remote_test.c tracing: Fix desc in error path for the trace remote test module 2026-05-16 16:11:04 -04:00
rethook.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
ring_buffer_benchmark.c
ring_buffer.c ring-buffer: Allow sparse CPU masks in ring_buffer_desc() 2026-07-10 14:04:26 -04:00
rpm-traces.c
simple_ring_buffer.c tracing: Fix unload_page for simple_ring_buffer init rollback 2026-05-21 08:26:22 -04:00
synth_event_gen_test.c
trace_benchmark.c
trace_benchmark.h
trace_boot.c tracing: Make the backup instance non-reusable 2026-04-02 13:20:38 -04:00
trace_branch.c tracing/branch: Use pr_warn() instead of printk(KERN_WARNING) 2026-05-21 18:03:08 -04:00
trace_btf.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
trace_btf.h
trace_clock.c
trace_dynevent.c
trace_dynevent.h
trace_entries.h tracing: Fix ftrace event field alignments 2026-02-05 09:47:11 -05:00
trace_eprobe.c tracing: eprobe: read the complete FILTER_PTR_STRING pointer 2026-06-30 23:58:19 +09:00
trace_event_perf.c perf/ftrace: Fix WARNING in __unregister_ftrace_function 2026-05-29 11:27:40 -04:00
trace_events_filter_test.h
trace_events_filter.c tracing: Prevent out-of-bounds read in glob matching 2026-07-07 10:42:28 -04:00
trace_events_hist.c tracing: Turn hist_elt_data field_var_str into a flexible array 2026-05-29 11:20:47 -04:00
trace_events_inject.c
trace_events_synth.c tracing/synthetic: Free type string on error path 2026-07-07 13:59:55 -04:00
trace_events_trigger.c tracing: Drain deferred trigger frees if kthread creation fails 2026-03-28 08:32:44 -04:00
trace_events_user.c tracing/user_events: Fix use-after-free in user_event_mm_dup() 2026-07-07 13:59:35 -04:00
trace_events.c tracing updates for v7.1: 2026-04-17 09:43:12 -07:00
trace_export.c tracing: Fix ftrace event field alignments 2026-02-05 09:47:11 -05:00
trace_fprobe.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
trace_functions_graph.c fgraph: Fix thresh_return nosleeptime double-adjust 2026-03-03 22:11:20 -05:00
trace_functions.c tracing: Fix NULL pointer dereference in func_set_flag() 2026-07-07 10:42:28 -04:00
trace_hwlat.c tracing: Fix false sharing in hwlat get_sample() 2026-02-10 03:36:39 -05:00
trace_irqsoff.c
trace_kdb.c
trace_kprobe_selftest.c
trace_kprobe_selftest.h
trace_kprobe.c tracing updates for v7.1: 2026-04-17 09:43:12 -07:00
trace_mmiotrace.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
trace_nop.c
trace_osnoise.c tracing/osnoise: Call synchronize_rcu() when unregistering 2026-07-06 14:56:18 -04:00
trace_output.c tracing updates for v7.1: 2026-04-17 09:43:12 -07:00
trace_output.h
trace_pid.c tracing: Move pid filtering into trace_pid.c 2026-02-08 21:01:13 -05:00
trace_preemptirq.c tracing: Add a no-rcu-check version of trace_##event##_enabled() 2026-07-07 10:42:29 -04:00
trace_printk.c tracing: move __printf() attribute on __ftrace_vbprintk() 2026-03-23 20:16:45 -04:00
trace_probe_kernel.h
trace_probe_tmpl.h
trace_probe.c tracing/probes: Make the $ prefix mandatory for comm access 2026-06-30 23:58:20 +09:00
trace_probe.h tracing: probes: fix typo in a log message 2026-06-25 08:34:45 +09:00
trace_recursion_record.c tracing: Switch trace_recursion_record.c code over to use guard() 2026-05-21 18:03:07 -04:00
trace_remote.c tracing/remotes: Fix struct_len in trace_remote_alloc_buffer() 2026-07-10 14:04:26 -04:00
trace_sched_switch.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
trace_sched_wakeup.c
trace_selftest_dynamic.c
trace_selftest.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
trace_seq.c tracing: Add bitmask-list option for human-readable bitmask display 2026-01-26 17:00:50 -05:00
trace_snapshot.c tracing: Remove duplicate latency_fsnotify() stub 2026-03-31 14:58:39 -04:00
trace_stack.c
trace_stat.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
trace_stat.h
trace_synth.h
trace_syscalls.c bpf: Add sleepable support for classic tracepoint programs 2026-04-22 22:44:29 +02:00
trace_uprobe.c tracing: Replace BUG_ON with lockdep_assert_held in uprobe_buffer functions 2026-06-01 23:35:21 +09:00
trace.c tracing: Make tracepoint_printk static as not exported 2026-07-07 10:39:12 -04:00
trace.h tracing updates for v7.1: 2026-04-17 09:43:12 -07:00
tracing_map.c tracing: Simplify pages allocation for tracing_map logic 2026-05-21 18:12:10 -04:00
tracing_map.h tracing: Simplify pages allocation for tracing_map logic 2026-05-21 18:12:10 -04:00
undefsyms_base.c tracing: Make undefsyms_base.c a first-class citizen 2026-04-22 11:24:41 -04:00