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 00:54:00 -0000 [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 0:54 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090827152539.GE6058@nowhere>
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 17:21 ` [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 3/6] kprobes/x86: Fix to add __kprobes to in-kernel fault handing functions 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 [this message]
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
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 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 17:22 ` [PATCH -tip tracing/kprobes 6/6] kprobes: Prohibit to probe native_get_debugreg Masami Hiramatsu
2009-08-28 4:41 ` Ananth N Mavinakayanahalli
2009-08-27 17:22 ` [PATCH -tip tracing/kprobes 5/6] kprobes/x86-64: Fix to move common_interrupt to .kprobes.text Masami Hiramatsu
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