On Thu, 10 Jul 2014, Josh Poimboeuf wrote:

> I did some testing with kpatch and I found one minor issue.  The dynamically
> allocated trampoline seems to confuse dump_stack() somewhat.
> 
> I added a dump_stack() call in my ftrace_ops callback function
> (kpatch_ftrace_handler) which had a filter on meminfo_proc_show().

Interesting. Are you using dwarf2 unwinder for stack dumping by any 
chance? It seems to get things right here. Will look into it more 
tomorrow.

-- 
Jiri Kosina
SUSE Labs
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