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Message-ID: <863e9df20810310832uadf4daay7b5a98b677d86561@mail.gmail.com> Date: Fri, 31 Oct 2008 11:32:42 -0400 From: "Abhishek Sagar" <sagar.abhishek@...il.com> To: "Steven Rostedt" <rostedt@...dmis.org> Cc: "Ingo Molnar" <mingo@...e.hu>, "Thomas Gleixner" <tglx@...utronix.de>, LKML <linux-kernel@...r.kernel.org>, "Al Viro" <viro@...iv.linux.org.uk>, ananth@...ibm.com, jkenisto@...ibm.com, mhiramat@...hat.com Subject: Re: [PATCH] ftrace: distinguish kretprobe'd functions in trace logs On Fri, Oct 31, 2008 at 10:36 AM, Steven Rostedt <rostedt@...dmis.org> wrote: >> Hi Abhishek, >> >> Now that this code is in mainline, it has become apparent that >> kretprobe_trampoline is not defined on all archs as a global like it is in >> x86. This needs to be fixed (it breaks ia64 build). >> > > Also note that kretprobe_trampoline will not be the return address. > > Hmm, I think I can solve this by not even doing the test here, but simply > on the name itself. Ok. I wonder if it would be a good idea to export kretprobe_trampoline (or kretprobe_trampoline->ip) via asm/kprobes.h for all archs, for the kind of checks done here for ftrace (to have them elsewhere too like in OOPs generation etc). Adding Kprobe folks in CC -- Abhishek -- 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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