Steven Rostedt (VMware) 0f17976568 ftrace: Fix regression with module command in stack_trace_filter ...

When doing the following command:

 # echo ":mod:kvm_intel" > /sys/kernel/tracing/stack_trace_filter

it triggered a crash.

This happened with the clean up of probes. It required all callers to the
regex function (doing ftrace filtering) to have ops->private be a pointer to
a trace_array. But for the stack tracer, that is not the case.

Allow for the ops->private to be NULL, and change the function command
callbacks to handle the trace_array pointer being NULL as well.

Fixes: d2afd57a4b ("tracing/ftrace: Allow instances to have their own function probes")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

2017-06-29 10:05:45 -04:00

..

blktrace.c

blktrace: fix integer parse

2017-05-19 09:21:15 -06:00

bpf_trace.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2017-05-02 16:40:27 -07:00

ftrace.c

ftrace: Fix regression with module command in stack_trace_filter

2017-06-29 10:05:45 -04:00

Kconfig

Merge tag 'trace-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2017-05-03 18:41:21 -07:00

Makefile

perf/core: Rename CONFIG_[UK]PROBE_EVENT to CONFIG_[UK]PROBE_EVENTS

2017-03-01 10:26:39 +01:00

power-traces.c

…

ring_buffer_benchmark.c

ring-buffer: Return reader page back into existing ring buffer

2017-05-01 10:26:40 -04:00

ring_buffer.c

Merge tag 'trace-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2017-05-03 18:41:21 -07:00

rpm-traces.c

…

trace_benchmark.c

tracing: Have the trace_event benchmark thread call cond_resched_rcu_qs()

2017-04-17 15:21:19 -04:00

trace_benchmark.h

…

trace_branch.c

…

trace_clock.c

sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h>

2017-03-02 08:42:27 +01:00

trace_entries.h

trace: make trace_hwlat timestamp y2038 safe

2017-05-08 17:15:15 -07:00

trace_event_perf.c

…

trace_events_filter_test.h

…

trace_events_filter.c

…

trace_events_hist.c

sched/headers: Prepare to use <linux/rcuupdate.h> instead of <linux/rculist.h> in <linux/sched.h>

2017-03-02 08:42:38 +01:00

trace_events_trigger.c

sched/headers: Prepare to use <linux/rcuupdate.h> instead of <linux/rculist.h> in <linux/sched.h>

2017-03-02 08:42:38 +01:00

trace_events.c

tracing/ftrace: Add a better way to pass data via the probe functions

2017-04-20 22:06:46 -04:00

trace_export.c

…

trace_functions_graph.c

…

trace_functions.c

ftrace: Fix regression with module command in stack_trace_filter

2017-06-29 10:05:45 -04:00

trace_hwlat.c

trace: make trace_hwlat timestamp y2038 safe

2017-05-08 17:15:15 -07:00

trace_irqsoff.c

…

trace_kdb.c

…

trace_kprobe.c

tracing/kprobes: Enforce kprobes teardown after testing

2017-05-17 21:50:27 -04:00

trace_mmiotrace.c

…

trace_nop.c

…

trace_output.c

trace: make trace_hwlat timestamp y2038 safe

2017-05-08 17:15:15 -07:00

trace_output.h

…

trace_printk.c

…

trace_probe.c

tracing/probes: Fix a warning message to show correct maximum length

2017-02-15 10:32:48 -05:00

trace_probe.h

perf/core: Rename CONFIG_[UK]PROBE_EVENT to CONFIG_[UK]PROBE_EVENTS

2017-03-01 10:26:39 +01:00

trace_sched_switch.c

…

trace_sched_wakeup.c

…

trace_selftest_dynamic.c

…

trace_selftest.c

sched/headers: Prepare for new header dependencies before moving code to <uapi/linux/sched/types.h>

2017-03-02 08:42:27 +01:00

trace_seq.c

…

trace_stack.c

ftrace: Fix regression with module command in stack_trace_filter

2017-06-29 10:05:45 -04:00

trace_stat.c

…

trace_stat.h

…

trace_syscalls.c

…

trace_uprobe.c

sched/headers: Prepare to use <linux/rcuupdate.h> instead of <linux/rculist.h> in <linux/sched.h>

2017-03-02 08:42:38 +01:00

trace.c

ftrace: Fix regression with module command in stack_trace_filter

2017-06-29 10:05:45 -04:00

trace.h

ftrace: Remove #ifdef from code and add clear_ftrace_function_probes() stub

2017-05-17 21:53:32 -04:00

tracing_map.c

…

tracing_map.h

…