Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar:
 "This includes a fix for a crash if certain special addresses are
  kprobed, plus does a rename of two Kconfig variables that were a minor
  misnomer"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/core: Rename CONFIG_[UK]PROBE_EVENT to CONFIG_[UK]PROBE_EVENTS
  kprobes/x86: Fix kernel panic when certain exception-handling addresses are probed
这个提交包含在:
Linus Torvalds
2017-03-07 14:38:16 -08:00
当前提交 c3abcabe81
修改 13 个文件,包含 23 行新增23 行删除

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@@ -429,7 +429,7 @@ config BLK_DEV_IO_TRACE
If unsure, say N.
config KPROBE_EVENT
config KPROBE_EVENTS
depends on KPROBES
depends on HAVE_REGS_AND_STACK_ACCESS_API
bool "Enable kprobes-based dynamic events"
@@ -447,7 +447,7 @@ config KPROBE_EVENT
This option is also required by perf-probe subcommand of perf tools.
If you want to use perf tools, this option is strongly recommended.
config UPROBE_EVENT
config UPROBE_EVENTS
bool "Enable uprobes-based dynamic events"
depends on ARCH_SUPPORTS_UPROBES
depends on MMU
@@ -466,7 +466,7 @@ config UPROBE_EVENT
config BPF_EVENTS
depends on BPF_SYSCALL
depends on (KPROBE_EVENT || UPROBE_EVENT) && PERF_EVENTS
depends on (KPROBE_EVENTS || UPROBE_EVENTS) && PERF_EVENTS
bool
default y
help

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@@ -57,7 +57,7 @@ obj-$(CONFIG_EVENT_TRACING) += trace_events_filter.o
obj-$(CONFIG_EVENT_TRACING) += trace_events_trigger.o
obj-$(CONFIG_HIST_TRIGGERS) += trace_events_hist.o
obj-$(CONFIG_BPF_EVENTS) += bpf_trace.o
obj-$(CONFIG_KPROBE_EVENT) += trace_kprobe.o
obj-$(CONFIG_KPROBE_EVENTS) += trace_kprobe.o
obj-$(CONFIG_TRACEPOINTS) += power-traces.o
ifeq ($(CONFIG_PM),y)
obj-$(CONFIG_TRACEPOINTS) += rpm-traces.o
@@ -66,7 +66,7 @@ ifeq ($(CONFIG_TRACING),y)
obj-$(CONFIG_KGDB_KDB) += trace_kdb.o
endif
obj-$(CONFIG_PROBE_EVENTS) += trace_probe.o
obj-$(CONFIG_UPROBE_EVENT) += trace_uprobe.o
obj-$(CONFIG_UPROBE_EVENTS) += trace_uprobe.o
obj-$(CONFIG_TRACEPOINT_BENCHMARK) += trace_benchmark.o

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@@ -4341,22 +4341,22 @@ static const char readme_msg[] =
"\t\t\t traces\n"
#endif
#endif /* CONFIG_STACK_TRACER */
#ifdef CONFIG_KPROBE_EVENT
#ifdef CONFIG_KPROBE_EVENTS
" kprobe_events\t\t- Add/remove/show the kernel dynamic events\n"
"\t\t\t Write into this file to define/undefine new trace events.\n"
#endif
#ifdef CONFIG_UPROBE_EVENT
#ifdef CONFIG_UPROBE_EVENTS
" uprobe_events\t\t- Add/remove/show the userspace dynamic events\n"
"\t\t\t Write into this file to define/undefine new trace events.\n"
#endif
#if defined(CONFIG_KPROBE_EVENT) || defined(CONFIG_UPROBE_EVENT)
#if defined(CONFIG_KPROBE_EVENTS) || defined(CONFIG_UPROBE_EVENTS)
"\t accepts: event-definitions (one definition per line)\n"
"\t Format: p|r[:[<group>/]<event>] <place> [<args>]\n"
"\t -:[<group>/]<event>\n"
#ifdef CONFIG_KPROBE_EVENT
#ifdef CONFIG_KPROBE_EVENTS
"\t place: [<module>:]<symbol>[+<offset>]|<memaddr>\n"
#endif
#ifdef CONFIG_UPROBE_EVENT
#ifdef CONFIG_UPROBE_EVENTS
"\t place: <path>:<offset>\n"
#endif
"\t args: <name>=fetcharg[:type]\n"

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@@ -248,7 +248,7 @@ ASSIGN_FETCH_FUNC(file_offset, ftype), \
#define FETCH_TYPE_STRING 0
#define FETCH_TYPE_STRSIZE 1
#ifdef CONFIG_KPROBE_EVENT
#ifdef CONFIG_KPROBE_EVENTS
struct symbol_cache;
unsigned long update_symbol_cache(struct symbol_cache *sc);
void free_symbol_cache(struct symbol_cache *sc);
@@ -278,7 +278,7 @@ alloc_symbol_cache(const char *sym, long offset)
{
return NULL;
}
#endif /* CONFIG_KPROBE_EVENT */
#endif /* CONFIG_KPROBE_EVENTS */
struct probe_arg {
struct fetch_param fetch;