From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-arch@vger.kernel.org,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Sandeepa Prabhu <sandeepa.prabhu@linaro.org>,
x86@kernel.org, lkml <linux-kernel@vger.kernel.org>,
"Steven Rostedt (Red Hat)" <rostedt@goodmis.org>,
systemtap@sourceware.org, "David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH -tip v5 13/18] notifier: Use NOKPROBE_SYMBOL macro in notifier
Date: Wed, 11 Dec 2013 12:04:38 +0900 [thread overview]
Message-ID: <52A7D646.2040904@hitachi.com> (raw)
In-Reply-To: <52A7D4C0.7060700@hitachi.com>
(2013/12/11 11:58), Masami Hiramatsu wrote:
> (2013/12/09 19:47), Masami Hiramatsu wrote:
>> Use NOKPROBE_SYMBOL macro to protect functions from
>> kprobes instead of __kprobes annotation in notifier.
>
> Ah, this must just removes __kprobes since we don't use notify_die
> for kprobes anymore...
Oops, NO. kprobes generically still using the exception notifier to handle
GPF in the handler even on x86... For safety, I'd like to keep it as it is
until all dependency is removed.
Thank you,
--
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@hitachi.com
next prev parent reply other threads:[~2013-12-11 3:04 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-09 10:47 [PATCH -tip v5 00/18] kprobes: introduce NOKPROBE_SYMBOL(), cleanup and fixes crash bugs Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 01/18] kprobes: Prohibit probing on .entry.text code Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 02/18] kprobes: Introduce NOKPROBE_SYMBOL() macro for blacklist Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 03/18] [BUGFIX] kprobes/x86: Prohibit probing on debug_stack_* Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 04/18] [BUGFIX] x86: Prohibit probing on native_set_debugreg Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 05/18] [BUGFIX] x86: Prohibit probing on thunk functions and restore Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 06/18] kprobes/x86: Call exception handlers directly from do_int3/do_debug Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 07/18] kprobes/x86: Allow probe on some kprobe preparation functions Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 08/18] kprobes: Allow probe on some kprobe functions Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 09/18] ftrace/kprobes: Allow probing on some preparation functions Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 10/18] x86: Use NOKPROBE_SYMBOL() instead of __kprobes annotation Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 11/18] kprobes: Use NOKPROBE_SYMBOL macro instead of __kprobes Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 12/18] ftrace/kprobes: Use NOKPROBE_SYMBOL macro in ftrace Masami Hiramatsu
2013-12-09 17:04 ` Steven Rostedt
2013-12-10 8:54 ` Masami Hiramatsu
2013-12-10 9:57 ` [PATCH -tip v5.1 " Masami Hiramatsu
2013-12-12 1:34 ` Steven Rostedt
2013-12-12 4:13 ` Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 13/18] notifier: Use NOKPROBE_SYMBOL macro in notifier Masami Hiramatsu
2013-12-11 2:58 ` Masami Hiramatsu
2013-12-11 3:04 ` Masami Hiramatsu [this message]
2013-12-09 10:47 ` [PATCH -tip v5 14/18] sched: Use NOKPROBE_SYMBOL macro in sched Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 15/18] kprobes: Show blacklist entries via debugfs Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 16/18] kprobes: Support blacklist functions in module Masami Hiramatsu
2013-12-09 10:47 ` [PATCH -tip v5 17/18] kprobes: Use NOKPROBE_SYMBOL() in sample modules Masami Hiramatsu
2013-12-09 10:48 ` [PATCH -tip v5 18/18] kprobes/x86: Use kprobe_blacklist for .kprobes.text and .entry.text Masami Hiramatsu
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