From: Ingo Molnar <mingo@elte.hu>
Date: Sat, 17 Oct 2009 07:58:25 +0000 (+0200)
Subject: Merge commit 'v2.6.32-rc5' into perf/probes
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=bb3c3e807140816b5f5fd4840473ee52a916ad4f;p=openwrt%2Fstaging%2Fblogic.git

Merge commit 'v2.6.32-rc5' into perf/probes

Conflicts:
	kernel/trace/trace_event_profile.c

Merge reason: update to -rc5 and resolve conflict.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

bb3c3e807140816b5f5fd4840473ee52a916ad4f
diff --cc kernel/trace/trace_event_profile.c
index e812f1c1264c,8d5c171cc998..c9f687ab0d4f
--- a/kernel/trace/trace_event_profile.c
+++ b/kernel/trace/trace_event_profile.c
@@@ -45,15 -45,20 +45,20 @@@ static int ftrace_profile_enable_event(
  		rcu_assign_pointer(trace_profile_buf_nmi, buf);
  	}
  
 -	ret = event->profile_enable();
 +	ret = event->profile_enable(event);
- 	if (!ret)
+ 	if (!ret) {
+ 		total_profile_count++;
  		return 0;
+ 	}
  
- 	kfree(trace_profile_buf_nmi);
  fail_buf_nmi:
- 	kfree(trace_profile_buf);
+ 	if (!total_profile_count) {
+ 		free_percpu(trace_profile_buf_nmi);
+ 		free_percpu(trace_profile_buf);
+ 		trace_profile_buf_nmi = NULL;
+ 		trace_profile_buf = NULL;
+ 	}
  fail_buf:
- 	total_profile_count--;
  	atomic_dec(&event->profile_count);
  
  	return ret;
diff --cc tools/perf/Makefile
index 1abbf9a5ee57,742a32eee8fc..1811a7015f9c
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@@ -418,18 -423,9 +425,18 @@@ ifeq ($(uname_S),Darwin
  endif
  
  ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y)
- 	msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel);
+ 	msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]);
  endif
  
 +ifneq ($(shell sh -c "(echo '\#include <libdwarf/dwarf.h>'; echo '\#include <libdwarf/libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; Dwarf_Ranges *rng; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); dwarf_get_ranges(dbg, 0, &rng, 0, 0, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -ldwarf -lelf -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y)
 +	msg := $(warning No libdwarf.h found or old libdwarf.h found, disables dwarf support. Please install libdwarf-dev/libdwarf-devel >= 20081231);
 +	BASIC_CFLAGS += -DNO_LIBDWARF
 +else
 +	EXTLIBS += -lelf -ldwarf
 +	LIB_H += util/probe-finder.h
 +	LIB_OBJS += util/probe-finder.o
 +endif
 +
  ifdef NO_DEMANGLE
  	BASIC_CFLAGS += -DNO_DEMANGLE
  else