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Date: Thu, 10 Jul 2014 23:44:43 +0200 (CEST) From: Jiri Kosina <jkosina@...e.cz> To: Josh Poimboeuf <jpoimboe@...hat.com> cc: Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>, Namhyung Kim <namhyung@...nel.org>, "H. Peter Anvin" <hpa@...or.com>, Oleg Nesterov <oleg@...hat.com>, Seth Jennings <sjenning@...hat.com>, Jiri Slaby <jslaby@...e.cz> Subject: Re: [RFC][PATCH 0/3] ftrace: Add dynamically allocated trampolines 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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