From: Frederic Weisbecker <fweisbec@gmail.com>
To: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>, lkml <linux-kernel@vger.kernel.org>,
systemtap <systemtap@sources.redhat.com>,
DLE <dle-develop@lists.sourceforge.net>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Subject: Re: [PATCH -tip tracing/kprobes 3/6] kprobes/x86: Fix to add __kprobes to in-kernel fault handing functions
Date: Sun, 30 Aug 2009 02:53:56 +0200 [thread overview]
Message-ID: <20090830005355.GB387@nowhere> (raw)
In-Reply-To: <20090827172311.8246.92725.stgit@localhost.localdomain>
On Thu, Aug 27, 2009 at 01:23:11PM -0400, Masami Hiramatsu wrote:
> Add __kprobes to the functions which handles in-kernel fixable page faults.
> Since kprobes can cause those in-kernel page faults by accessing kprobe data
> structures, probing those fault functions will cause fault-int3-loop
> (do_page_fault has already been marked as __kprobes).
BTW, is it possible to assert a struct kprobe (and its pointer members)
haven't been allocated through vmalloc() ?
next prev parent reply other threads:[~2009-08-30 0:53 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-27 2:31 [GIT PULL] tracing/kprobes: Add dynamic tracepoints + instruction decoder Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 01/18] x86: Instruction decoder API Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 02/18] x86: X86 instruction decoder build-time selftest Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 03/18] kprobes: Checks probe address is instruction boudary on x86 Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 04/18] kprobes: Cleanup fix_riprel() using insn decoder " Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 05/18] x86: Add pt_regs register and stack access APIs Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 06/18] tracing: Ftrace dynamic ftrace_event_call support Frederic Weisbecker
2009-08-27 2:47 ` Li Zefan
2009-08-27 2:56 ` Frederic Weisbecker
2009-08-27 15:07 ` Masami Hiramatsu
2009-08-27 2:32 ` [PATCH 07/18] tracing: Introduce TRACE_FIELD_ZERO() macro Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 08/18] tracing: Add kprobe-based event tracer Frederic Weisbecker
2009-08-27 7:31 ` Ingo Molnar
2009-08-27 13:48 ` Frederic Weisbecker
2009-08-27 15:38 ` Masami Hiramatsu
2009-08-27 2:32 ` [PATCH 09/18] tracing: Add kprobe-based event tracer documentation Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 10/18] tracing: Kprobe-tracer supports more than 6 arguments Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 11/18] tracing: Generate names for each kprobe event automatically Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 12/18] tracing: Kprobe tracer assigns new event ids for each event Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 13/18] tracing: Add kprobes event profiling interface Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 14/18] x86: Fix x86 instruction decoder selftest to check only .text Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 15/18] x86: Check awk features before generating inat-tables.c Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 16/18] tracing/kprobes: Fix format typo in trace_kprobes Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 17/18] tracing/kprobes: Change trace_arg to probe_arg Frederic Weisbecker
2009-08-27 2:32 ` [PATCH 18/18] tracing/kprobes: Dump the culprit kprobe in case of kprobe recursion Frederic Weisbecker
2009-08-27 15:30 ` Masami Hiramatsu
2009-08-27 15:34 ` Frederic Weisbecker
2009-08-27 15:52 ` Masami Hiramatsu
2009-08-27 16:30 ` Frederic Weisbecker
2009-08-27 16:45 ` Masami Hiramatsu
2009-08-27 16:45 ` Frederic Weisbecker
2009-08-27 3:34 ` [GIT PULL v2] tracing/kprobes: v1 + two fixes Frederic Weisbecker
2009-08-27 15:24 ` Ingo Molnar
2009-08-27 15:40 ` Frederic Weisbecker
2009-08-27 15:59 ` Frederic Weisbecker
2009-08-27 16:17 ` [PATCH] tracing: Undef TRACE_EVENT_FN between trace events headers inclusion Frederic Weisbecker
2009-08-27 16:36 ` [tip:tracing/core] " tip-bot for Frederic Weisbecker
2009-08-27 16:12 ` [GIT PULL v2] tracing/kprobes: v1 + two fixes Masami Hiramatsu
2009-08-27 16:35 ` Ingo Molnar
2009-08-27 16:52 ` Masami Hiramatsu
2009-08-29 11:02 ` Ingo Molnar
2009-08-28 22:13 ` [PATCH -tip tracing/kprobes 1/2] x86: Allow x86-32 instruction decoder selftest on x86-64 Masami Hiramatsu
2009-08-30 1:35 ` Frederic Weisbecker
2009-10-17 9:58 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-08-28 22:13 ` [PATCH -tip tracing/kprobes 2/2] x86: Remove unused config macros from instruction decoder selftest Masami Hiramatsu
2009-10-17 9:58 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-08-27 15:26 ` [GIT PULL v2] tracing/kprobes: v1 + two fixes Ingo Molnar
2009-09-16 5:30 ` Frederic Weisbecker
2009-08-27 3:34 ` [PATCH 19/18] tracing: Restore the const qualifier for field names and types definition Frederic Weisbecker
2009-08-27 15:07 ` Masami Hiramatsu
2009-08-27 3:34 ` [PATCH 20/18] tracing: Remove unneeded pointer casts Frederic Weisbecker
2009-08-27 15:08 ` Masami Hiramatsu
2009-08-27 15:00 ` [GIT PULL] tracing/kprobes: Add dynamic tracepoints + instruction decoder Masami Hiramatsu
2009-08-27 15:25 ` Frederic Weisbecker
2009-08-27 17:22 ` [PATCH -tip tracing/kprobes 1/6] kprobes/x86: Call BUG() when reentering probe into KPROBES_HIT_SS Masami Hiramatsu
2009-08-28 4:38 ` Ananth N Mavinakayanahalli
2009-08-30 1:25 ` Frederic Weisbecker
2009-10-17 9:56 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-08-27 17:23 ` [PATCH -tip tracing/kprobes 2/6] kprobes/x86-64: Allow to reenter probe on post_handler Masami Hiramatsu
2009-08-28 4:39 ` Ananth N Mavinakayanahalli
2009-10-17 9:57 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-08-27 17:23 ` [PATCH -tip tracing/kprobes 3/6] kprobes/x86: Fix to add __kprobes to in-kernel fault handing functions Masami Hiramatsu
2009-08-28 4:40 ` Ananth N Mavinakayanahalli
2009-08-30 0:50 ` Frederic Weisbecker
2009-08-30 2:43 ` Masami Hiramatsu
2009-08-30 0:53 ` Frederic Weisbecker [this message]
2009-08-30 2:49 ` Masami Hiramatsu
2009-08-30 16:09 ` Frederic Weisbecker
2009-08-31 4:00 ` Masami Hiramatsu
2009-09-01 20:09 ` Masami Hiramatsu
2009-09-02 12:58 ` Masami Hiramatsu
2009-09-03 5:46 ` Frederic Weisbecker
2009-09-04 19:06 ` Frederic Weisbecker
2009-09-04 22:29 ` Masami Hiramatsu
2009-09-08 16:32 ` [PATCH tracing/kprobes] x86: Add MMX support for instruction decoder Masami Hiramatsu
2009-09-10 22:57 ` Frederic Weisbecker
2009-10-17 9:58 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-09-08 16:54 ` [RFC PATCH tracing/kprobes] kprobes: Call vmalloc_sync_all() for avoiding in-kernel paging on kprobes Masami Hiramatsu
[not found] ` <20090908165438.24437.40931.stgit@dhcp-100-2-132.bos.redhat .com>
2009-09-08 17:03 ` system hang - I suspect a sata problem - 2.6.30.5 debug kernel jeffunit
2009-10-17 9:57 ` [tip:perf/probes] kprobes/x86: Fix to add __kprobes to in-kernel fault handing functions tip-bot for Masami Hiramatsu
2009-08-27 17:23 ` [PATCH -tip tracing/kprobes 4/6] kprobes: Fix to add __kprobes to notify_die Masami Hiramatsu
2009-08-28 4:41 ` Ananth N Mavinakayanahalli
2009-10-17 9:57 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-08-27 17:23 ` [PATCH -tip tracing/kprobes 5/6] kprobes/x86-64: Fix to move common_interrupt to .kprobes.text Masami Hiramatsu
2009-10-17 9:57 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-08-27 17:23 ` [PATCH -tip tracing/kprobes 6/6] kprobes: Prohibit to probe native_get_debugreg Masami Hiramatsu
2009-08-28 4:41 ` Ananth N Mavinakayanahalli
2009-10-17 9:57 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-08-27 17:32 ` [GIT PULL] tracing/kprobes: Add dynamic tracepoints + instruction decoder Masami Hiramatsu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090830005355.GB387@nowhere \
--to=fweisbec@gmail.com \
--cc=ananth@in.ibm.com \
--cc=dle-develop@lists.sourceforge.net \
--cc=linux-kernel@vger.kernel.org \
--cc=mhiramat@redhat.com \
--cc=mingo@elte.hu \
--cc=systemtap@sources.redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox