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Message-ID: <20070420130908.GA17273@in.ibm.com>
Date: Fri, 20 Apr 2007 18:39:08 +0530
From: Ananth N Mavinakayanahalli <ananth@...ibm.com>
To: Martin Schwidefsky <schwidefsky@...ibm.com>
Cc: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
akpm@...ux-foundation.org, srinivasa@...ibm.com
Subject: Re: [S390] add arch_trampoline_kprobe.
On Fri, Apr 20, 2007 at 01:08:42PM +0200, Martin Schwidefsky wrote:
> From: Martin Schwidefsky <schwidefsky@...ibm.com>
>
> Add the missing arch_trampoline_kprobe function for s390 required by
> kprobes-the-on-off-knob-thru-debugfs-updated.patch.
Martin,
Cornelia provided this patch sometime earlier
(http://marc.info/?l=linux-kernel&m=117620748921086&w=2). Andrew has
picked it up into -mm.
Ananth
>
> Cc: Ananth N Mavinakayanahalli <ananth@...ibm.com>
> Cc: Srinivasa DS <srinivasa@...ibm.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Signed-off-by: Martin Schwidefsky <schwidefsky@...ibm.com>
> ---
>
> arch/s390/kernel/kprobes.c | 7 +++++++
> 1 files changed, 7 insertions(+)
>
> diff -urpN linux-2.6/arch/s390/kernel/kprobes.c linux-2.6-patched/arch/s390/kernel/kprobes.c
> --- linux-2.6/arch/s390/kernel/kprobes.c 2007-04-19 17:12:40.000000000 +0200
> +++ linux-2.6-patched/arch/s390/kernel/kprobes.c 2007-04-19 17:12:09.000000000 +0200
> @@ -658,6 +658,13 @@ static struct kprobe trampoline_p = {
> .pre_handler = trampoline_probe_handler
> };
>
> +int __kprobes arch_trampoline_kprobe(struct kprobe *p)
> +{
> + if (p->addr == (kprobe_opcode_t *)&kretprobe_trampoline)
> + return 1;
> + return 0;
> +}
> +
> int __init arch_init_kprobes(void)
> {
> return register_kprobe(&trampoline_p);
-
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