Messages in this thread |  | | | Date | Mon, 25 Jul 2011 08:20:38 -0700 | | From | Greg KH <> | | Subject | Re: [PATCH v2 1/6] perf: Add interface to add general events to sysfs |
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On Mon, Jul 25, 2011 at 10:32:03AM +0200, Peter Zijlstra wrote: > On Mon, 2011-07-25 at 16:11 +0800, Lin Ming wrote: > > It's strange that I didn't find a way to check if a directory is present > > in sysfs. Any hint? > > sysfs is voodoo for me, best I can come up with is, ask the sysfs > folks ;-) > > Kay, Greg?
What are you trying to do here specifically?
sysfs is not ment to be walked from within the kernel, only from userspace. Perhaps that is your problem here?
greg k-h
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