From: Masami Hiramatsu <mhiramat@redhat.com>
To: Frederic Weisbecker <fweisbec@gmail.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: Fri, 04 Sep 2009 22:26:00 -0000 [thread overview]
Message-ID: <4AA194CE.30200@redhat.com> (raw)
In-Reply-To: <20090904190651.GC6118@nowhere>
Frederic Weisbecker wrote:
> On Wed, Sep 02, 2009 at 08:58:05AM -0400, Masami Hiramatsu wrote:
>> Frederic Weisbecker wrote:
>>> BTW, after your patchset:
>>>
>>> TEST posttest
>>> Building modules, stage 2.
>>> Error: c0101038: 2e a1 f8 b0 9e c0 mov %cs:0xc09eb0f8,%eax
>>> Error: objdump says 6 bytes, but insn_get_length() says 10 (attr:40000)
>>> make[1]: *** [posttest] Erreur 2
>>> make: *** [bzImage] Erreur 2
>>> make: *** Attente des tâches non terminées....
>>> MODPOST 4 modules
>>>
>>>
>>> I'm cross compiling from 64 to 32 using:
>>>
>>> make ARCH=x86
>>>
>>> I've attached my config.
>>
>> Aah, you might miss an important patch :D
>> http://lkml.org/lkml/2009/8/28/367
>>
>> Thank you,
>>
>
>
> Well, even with this patch I have this problem occuring with
> make ARCH=x86
>
> Error: c125d65d: 0f 6f 02 movq (%edx),%mm0
> Error: objdump says 3 bytes, but insn_get_length() says 2 (attr:0)
> make[1]: *** [posttest] Erreur 2
> make: *** [bzImage] Erreur 2
>
> Hmm, may be that's because it doesn't support mmx instructions.
> The whole patchset is on
>
> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing.git
> tracing/kprobes
>
> Config and make V=1 log attached.
Aah, Indeed. It's time to add MMX/SSE support on x86 insn decoder.
Thank you for reporting!
--
Masami Hiramatsu
Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division
e-mail: mhiramat@redhat.com
next prev parent reply other threads:[~2009-09-04 22:26 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090827152539.GE6058@nowhere>
2009-08-27 17:21 ` Masami Hiramatsu
2009-08-28 4:41 ` Ananth N Mavinakayanahalli
2009-08-30 0:50 ` Frederic Weisbecker
2009-08-30 2:41 ` Masami Hiramatsu
2009-08-30 0:54 ` Frederic Weisbecker
2009-08-30 2:48 ` Masami Hiramatsu
2009-08-30 16:10 ` Frederic Weisbecker
2009-08-31 3:59 ` Masami Hiramatsu
2009-09-01 20:05 ` Masami Hiramatsu
2009-09-02 12:56 ` Masami Hiramatsu
2009-09-03 5:46 ` Frederic Weisbecker
2009-09-04 19:07 ` Frederic Weisbecker
2009-09-04 22:26 ` Masami Hiramatsu [this message]
2009-09-08 16:31 ` [PATCH tracing/kprobes] x86: Add MMX support for instruction decoder Masami Hiramatsu
2009-09-10 22:57 ` Frederic Weisbecker
2009-09-08 16:53 ` [RFC PATCH tracing/kprobes] kprobes: Call vmalloc_sync_all() for avoiding in-kernel paging on kprobes Masami Hiramatsu
2009-08-27 17:21 ` [PATCH -tip tracing/kprobes 4/6] kprobes: Fix to add __kprobes to notify_die Masami Hiramatsu
2009-08-28 4:41 ` Ananth N Mavinakayanahalli
2009-08-27 17:21 ` [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
2009-08-27 17:21 ` [PATCH -tip tracing/kprobes 1/6] kprobes/x86: Call BUG() when reentering probe into KPROBES_HIT_SS Masami Hiramatsu
2009-08-28 4:39 ` Ananth N Mavinakayanahalli
2009-08-30 1:25 ` Frederic Weisbecker
2009-08-27 17:22 ` [PATCH -tip tracing/kprobes 5/6] kprobes/x86-64: Fix to move common_interrupt to .kprobes.text Masami Hiramatsu
2009-08-27 17:22 ` [PATCH -tip tracing/kprobes 6/6] kprobes: Prohibit to probe native_get_debugreg Masami Hiramatsu
2009-08-28 4:41 ` Ananth N Mavinakayanahalli
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