Re: [PATCH v4] [BUGFIX] kprobes: Fix "Failed to find blacklist" error on ia64 and ppc64
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- Subject: Re: [PATCH v4] [BUGFIX] kprobes: Fix "Failed to find blacklist" error on ia64 and ppc64
- From: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
- Date: Mon, 30 Jun 2014 21:36:16 +1000
- Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, sparse@xxxxxxxxxxx, "H. Peter Anvin" <hpa@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, linux-tip-commits@xxxxxxxxxxxxxxx, akataria@xxxxxxxxxx, anil.s.keshavamurthy@xxxxxxxxx, "Suzuki K. Poulose" <suzuki@xxxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Rusty Russell <rusty@xxxxxxxxxxxxxxx>, Chris Wright <chrisw@xxxxxxxxxxxx>, yrl.pp-manager.tt@xxxxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Kevin Hao <haokexin@xxxxxxxxx>, Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, rdunlap@xxxxxxxxxxxxx, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, dl9pf@xxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>
- In-reply-to: <53B0D61B.9010104@hitachi.com>
On Mon, 2014-06-30 at 12:14 +0900, Masami Hiramatsu wrote:
> Ping? :)
Yeah sorry. I started looking at this and got dragged into another mess.
You seem to have duplicated the functionality of arch_deref_entry_point(),
which was also added for kprobes, and for the same reason - ie. because some
arches have strange function pointers. Is there some reason you can't use it?
cheers
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