Re: [PATCH 1/9] perf symbols: Remove perf_session usage in symbolslayer

[Ingo Molnar]

these changes reintroduce the 'perf top exits' bug:

 $ perf top -v
 map_groups__set_modules_path_dir: cannot open /lib/modules/2.6.33-rc6-tip-00586-g398dde3-dirty/kernel dir

It's the non-existence of modules that causes a disorderly exit. I sent you 
my config with the earlier bugreport - i think if you tried that config you'd 
see a similar failure. I've fixed it via the commit below for now.

	Ingo

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