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Steven Rostedt (Red Hat) 09d8091c02 tracing: Remove locking trace_types_lock from tracing_reset_all_online_cpus() ... Commit a82274151a "tracing: Protect ftrace_trace_arrays list in trace_events.c" added taking the trace_types_lock mutex in trace_events.c as there were several locations that needed it for protection. Unfortunately, it also encapsulated a call to tracing_reset_all_online_cpus() which also takes the trace_types_lock, causing a deadlock. This happens when a module has tracepoints and has been traced. When the module is removed, the trace events module notifier will grab the trace_types_lock, do a bunch of clean ups, and also clears the buffer by calling tracing_reset_all_online_cpus. This doesn't happen often which explains why it wasn't caught right away. Commit a82274151a was marked for stable, which means this must be sent to stable too. Link: http://lkml.kernel.org/r/51EEC646.7070306@broadcom.com Reported-by: Arend van Spril <arend@broadcom.com> Tested-by: Arend van Spriel <arend@broadcom.com> Cc: Alexander Z Lam <azl@google.com> Cc: Vaibhav Nagarnaik <vnagarnaik@google.com> Cc: David Sharp <dhsharp@google.com> Cc: stable@vger.kernel.org # 3.10 Signed-off-by: Steven Rostedt <rostedt@goodmis.org>		12 years ago
..
Kconfig	ring-buffer: Select IRQ_WORK	12 years ago
Makefile	…
blktrace.c	Merge branch 'for-3.10/drivers' of git://git.kernel.dk/linux-block	12 years ago
ftrace.c	ftrace: Add check for NULL regs if ops has SAVE_REGS set	12 years ago
power-traces.c	…
ring_buffer.c	tracing: Typo fix on ring buffer comments	12 years ago
ring_buffer_benchmark.c	…
rpm-traces.c	…
trace.c	tracing: Remove locking trace_types_lock from tracing_reset_all_online_cpus()	12 years ago
trace.h	tracing: Kill trace_cpu struct/members	12 years ago
trace_branch.c	…
trace_clock.c	…
trace_entries.h	…
trace_event_perf.c	tracing/perf: Move the PERF_MAX_TRACE_SIZE check into perf_trace_buf_prepare()	12 years ago
trace_events.c	tracing: Do not (ab)use trace_seq in event_id_read()	12 years ago
trace_events_filter.c	tracing: Use trace_seq_puts()/trace_seq_putc() where possible	12 years ago
trace_events_filter_test.h	…
trace_export.c	…
trace_functions.c	tracing: Add ref_data to function and fgraph tracer structs	12 years ago
trace_functions_graph.c	tracing: Add ref_data to function and fgraph tracer structs	12 years ago
trace_irqsoff.c	tracing: Use flag buffer_disabled for irqsoff tracer	12 years ago
trace_kdb.c	…
trace_kprobe.c	tracing/kprobe: Wait for disabling all running kprobe handlers	12 years ago
trace_mmiotrace.c	tracing: Use trace_seq_puts()/trace_seq_putc() where possible	12 years ago
trace_nop.c	…
trace_output.c	tracing: Use trace_seq_puts()/trace_seq_putc() where possible	12 years ago
trace_output.h	tracing: Rename trace_event_mutex to trace_event_sem	12 years ago
trace_printk.c	…
trace_probe.c	…
trace_probe.h	…
trace_sched_switch.c	…
trace_sched_wakeup.c	…
trace_selftest.c	ftrace: Do not run selftest if command line parameter is set	12 years ago
trace_selftest_dynamic.c	…
trace_stack.c	Tracing updates for Linux 3.10	12 years ago
trace_stat.c	tracing: Check return value of tracing_init_dentry()	12 years ago
trace_stat.h	…
trace_syscalls.c	tracing/perf: Move the PERF_MAX_TRACE_SIZE check into perf_trace_buf_prepare()	12 years ago
trace_uprobe.c	tracing/perf: Move the PERF_MAX_TRACE_SIZE check into perf_trace_buf_prepare()	12 years ago