Re: [PATCH 4.9] perf probe: Fix --funcs to show correct symbols for offline module

[Greg KH <gregkh@linuxfoundation.org>]

On Fri, Aug 25, 2017 at 04:05:35PM -0700, Krister Johansen wrote:
> Hi Greg,
> There's a bit more fallout from pulling in the patches we discussed in
> this thread:
> 
> https://lkml.org/lkml/2017/7/5/537
> 
> While those patches fixed the build, I didn't get a chance to run a full
> set of tests on the result.  Last week, when attempting to set a
> kretprobe in a kernel module using 'perf probe' I hit an assertion that
> triggers when you attempt to delete an object that's still in a tree.
> 
> It turned out that the patch below was also pushed around the same time
> as the others that had been pulled into 4.9, and so we'd missed a case
> where a refcount was not getting correctly incremented.  The patch below
> is just a git cherry-pick of the commit from HEAD to the stable 4.9
> branch.  This addressed the refcount assertion failure I was seeing.

Thanks, now queued up.

greg k-h