Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core

Pull tracing updates from Steve Rostedt.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

5 files changed, 10 insertions, 10 deletions

diff --git a/kernel/Makefile b/kernel/Makefile
index c0cc67ad764c..29d993be7dba 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -98,7 +98,7 @@ obj-$(CONFIG_COMPAT_BINFMT_ELF) += elfcore.o
 obj-$(CONFIG_BINFMT_ELF_FDPIC) += elfcore.o
 obj-$(CONFIG_FUNCTION_TRACER) += trace/
 obj-$(CONFIG_TRACING) += trace/
-obj-$(CONFIG_X86_DS) += trace/
+obj-$(CONFIG_TRACE_CLOCK) += trace/
 obj-$(CONFIG_RING_BUFFER) += trace/
 obj-$(CONFIG_TRACEPOINTS) += trace/
 obj-$(CONFIG_IRQ_WORK) += irq_work.o
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 35b4315d84f5..098f396aa409 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1418,9 +1418,6 @@ static __kprobes int check_kprobe_address_safe(struct kprobe *p,
                 /* Given address is not on the instruction boundary */
                 if ((unsigned long)p->addr != ftrace_addr)
                         return -EILSEQ;
-                /* break_handler (jprobe) can not work with ftrace */
-                if (p->break_handler)
-                        return -EINVAL;
                 p->flags |= KPROBE_FLAG_FTRACE;
 #else   /* !KPROBES_CAN_USE_FTRACE */
                 return -EINVAL;
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 9301a0e35e0c..4cea4f41c1d9 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -62,8 +62,12 @@ config HAVE_C_RECORDMCOUNT
 config TRACER_MAX_TRACE
         bool
 
+config TRACE_CLOCK
+        bool
+
 config RING_BUFFER
         bool
+        select TRACE_CLOCK
 
 config FTRACE_NMI_ENTER
        bool
@@ -114,6 +118,7 @@ config TRACING
         select NOP_TRACER
         select BINARY_PRINTF
         select EVENT_TRACING
+        select TRACE_CLOCK
 
 config GENERIC_TRACER
         bool
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index 837090808aac..d7e2068e4b71 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -19,11 +19,7 @@ endif
 
 CFLAGS_trace_events_filter.o := -I$(src)
 
-#
-# Make the trace clocks available generally: it's infrastructure
-# relied on by ptrace for example:
-#
-obj-y += trace_clock.o
+obj-$(CONFIG_TRACE_CLOCK) += trace_clock.o
 
 obj-$(CONFIG_FUNCTION_TRACER) += libftrace.o
 obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 6825d833a257..bbb0e63d78e9 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -1646,9 +1646,11 @@ static __init void event_trace_self_tests(void)
                 event_test_stuff();
 
                 ret = __ftrace_set_clr_event(NULL, system->name, NULL, 0);
-                if (WARN_ON_ONCE(ret))
+                if (WARN_ON_ONCE(ret)) {
                         pr_warning("error disabling system %s\n",
                                    system->name);
+                        continue;
+                }
 
                 pr_cont("OK\n");
         }