Marco Elver f5d2313bd3 kcsan, trace: Make KCSAN compatible with tracing ... Previously the system would lock up if ftrace was enabled together with KCSAN. This is due to recursion on reporting if the tracer code is instrumented with KCSAN. To avoid this for all types of tracing, disable KCSAN instrumentation for all of kernel/trace. Furthermore, since KCSAN relies on udelay() to introduce delay, we have to disable ftrace for udelay() (currently done for x86) in case KCSAN is used together with lockdep and ftrace. The reason is that it may corrupt lockdep IRQ flags tracing state due to a peculiar case of recursion (details in Makefile comment). Reported-by: Qian Cai <cai@lca.pw> Tested-by: Qian Cai <cai@lca.pw> Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Marco Elver <elver@google.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org>		2020-03-21 09:44:41 +01:00
..
blktrace.c	blktrace: fix dereference after null check	2020-03-05 13:42:40 -07:00
bpf_trace.c	bpf: Add bpf_send_signal_thread() helper	2020-01-15 11:44:51 -08:00
fgraph.c	tracing: Define MCOUNT_INSN_SIZE when not defined without direct calls	2020-01-02 21:56:44 -05:00
ftrace_internal.h	treewide: Rename rcu_dereference_raw_notrace() to _check()	2019-08-01 14:16:21 -07:00
ftrace.c	ftrace: Return the first found result in lookup_rec()	2020-03-11 10:37:12 -04:00
Kconfig	bootconfig: Fix CONFIG_BOOTTIME_TRACING dependency issue	2020-02-25 19:07:58 -05:00
kprobe_event_gen_test.c	tracing: Add kprobe event command generation test module	2020-01-30 09:46:28 -05:00
Makefile	kcsan, trace: Make KCSAN compatible with tracing	2020-03-21 09:44:41 +01:00
power-traces.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
preemptirq_delay_test.c	preemptirq_delay_test: Add the burst feature and a sysfs trigger	2019-11-13 09:37:28 -05:00
ring_buffer_benchmark.c	tracing: Make struct ring_buffer less ambiguous	2020-01-13 13:19:38 -05:00
ring_buffer.c	ring-buffer: Remove abandoned macro RB_MISSED_FLAGS	2020-01-21 18:38:02 -05:00
rpm-traces.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
synth_event_gen_test.c	tracing: Have synthetic event test use raw_smp_processor_id()	2020-02-20 17:43:41 -05:00
trace_benchmark.c	trace: Use pr_warn instead of pr_warning	2019-10-18 15:01:57 +02:00
trace_benchmark.h	tracing: Fix SPDX format headers to use C++ style comments	2018-08-16 19:08:06 -04:00
trace_boot.c	tracing: Change trace_boot to use synth_event interface	2020-01-31 12:59:26 -05:00
trace_branch.c	tracing: Make struct ring_buffer less ambiguous	2020-01-13 13:19:38 -05:00
trace_clock.c	tracing: Add SPDX License format tags to tracing files	2018-08-16 19:08:06 -04:00
trace_dynevent.c	tracing: Use seq_buf for building dynevent_cmd string	2020-02-01 13:10:15 -05:00
trace_dynevent.h	tracing: Remove check_arg() callbacks from dynevent args	2020-02-01 13:09:23 -05:00
trace_entries.h	Tracing updates:	2020-02-06 07:12:11 +00:00
trace_event_perf.c	Merge branch 'perf/urgent' into perf/core, to pick up fixes	2019-10-28 12:38:26 +01:00
trace_events_filter_test.h	tracing: Fix SPDX format headers to use C++ style comments	2018-08-16 19:08:06 -04:00
trace_events_filter.c	tracing: Avoid memory leak in process_system_preds()	2019-12-19 18:24:17 -05:00
trace_events_hist.c	Tracing updates:	2020-02-26 10:34:42 -08:00
trace_events_inject.c	tracing: Initialize val to zero in parse_entry of inject code	2020-01-02 19:04:57 -05:00
trace_events_trigger.c	trigger_next should increase position index	2020-01-30 09:46:27 -05:00
trace_events.c	Tracing updates:	2020-02-06 07:12:11 +00:00
trace_export.c	Linux 5.5-rc1	2019-12-10 10:11:00 +01:00
trace_functions_graph.c	tracing: Make struct ring_buffer less ambiguous	2020-01-13 13:19:38 -05:00
trace_functions.c	tracing: Rename trace_buffer to array_buffer	2020-01-13 13:19:38 -05:00
trace_hwlat.c	Tracing updates:	2020-02-06 07:12:11 +00:00
trace_irqsoff.c	tracing: Rename trace_buffer to array_buffer	2020-01-13 13:19:38 -05:00
trace_kdb.c	tracing: Rename trace_buffer to array_buffer	2020-01-13 13:19:38 -05:00
trace_kprobe_selftest.c	selftest/ftrace: Move kprobe selftest function to separate compile unit	2018-07-30 18:41:04 -04:00
trace_kprobe_selftest.h	tracing: Fix SPDX format headers to use C++ style comments	2018-08-16 19:08:06 -04:00
trace_kprobe.c	Various fixes:	2020-02-11 16:39:18 -08:00
trace_mmiotrace.c	tracing: Make struct ring_buffer less ambiguous	2020-01-13 13:19:38 -05:00
trace_nop.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
trace_output.c	tracing: Rename trace_buffer to array_buffer	2020-01-13 13:19:38 -05:00
trace_output.h	tracing: Fix SPDX format headers to use C++ style comments	2018-08-16 19:08:06 -04:00
trace_preemptirq.c	kprobes: Prohibit probing on hardirq tracers	2019-02-13 08:16:40 +01:00
trace_printk.c	tracing: Add locked_down checks to the open calls of files created for tracefs	2019-10-12 20:48:06 -04:00
trace_probe_tmpl.h	tracing/probe: Support user-space dereference	2019-05-25 23:04:42 -04:00
trace_probe.c	tracing/kprobes: Have uname use __get_str() in print_fmt	2020-01-27 10:56:02 -05:00
trace_probe.h	tracing/uprobe: Fix to make trace_uprobe_filter alignment safe	2020-01-22 07:09:20 -05:00
trace_sched_switch.c	tracing: Fix sched switch start/stop refcount racy updates	2020-01-30 09:46:10 -05:00
trace_sched_wakeup.c	tracing: Make struct ring_buffer less ambiguous	2020-01-13 13:19:38 -05:00
trace_selftest_dynamic.c	ftrace: Mark function tracer test functions noinline/noclone	2018-01-23 15:57:29 -05:00
trace_selftest.c	tracing: Rename trace_buffer to array_buffer	2020-01-13 13:19:38 -05:00
trace_seq.c	tracing: Remove unused TRACE_SEQ_BUF_USED	2020-01-21 18:39:54 -05:00
trace_stack.c	tracing: Have stack tracer compile when MCOUNT_INSN_SIZE is not defined	2020-01-02 22:04:07 -05:00
trace_stat.c	tracing: Fix tracing_stat return values in error handling paths	2020-01-24 18:06:48 -05:00
trace_stat.h	tracing: Use generic type for comparator function	2019-11-14 13:15:11 -05:00
trace_syscalls.c	Tracing updates:	2020-02-06 07:12:11 +00:00
trace_uprobe.c	Tracing updates:	2020-02-06 07:12:11 +00:00
trace.c	Tracing updates:	2020-02-26 10:34:42 -08:00
trace.h	Tracing updates:	2020-02-06 07:12:11 +00:00
tracing_map.c	tracing: Have the histogram compare functions convert to u64 first	2019-12-19 18:26:00 -05:00
tracing_map.h	tracing: Fix SPDX format headers to use C++ style comments	2018-08-16 19:08:06 -04:00