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From: David Daney <david.daney@cavium.com>
To: "manesoni@cisco.com" <manesoni@cisco.com>
Cc: Ralf Baechle <ralf@linux-mips.org>,
	"ananth@in.ibm.com" <ananth@in.ibm.com>,
	"kamensky@cisco.com" <kamensky@cisco.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mips@linux-mips.org" <linux-mips@linux-mips.org>
Subject: Re: [PATCH 1/4] MIPS Kprobes: Fix OOPS in arch_prepare_kprobe()
Date: Tue, 08 Nov 2011 11:57:45 -0800	[thread overview]
Message-ID: <4EB989B9.2060904@cavium.com> (raw)
In-Reply-To: <20111108170454.GB16526@cisco.com>

On 11/08/2011 09:04 AM, Maneesh Soni wrote:
[...]
>
> diff --git a/arch/mips/kernel/kprobes.c b/arch/mips/kernel/kprobes.c
> index ee28683..9fb1876 100644
> --- a/arch/mips/kernel/kprobes.c
> +++ b/arch/mips/kernel/kprobes.c
> @@ -25,6 +25,7 @@
>
>   #include<linux/kprobes.h>
>   #include<linux/preempt.h>
> +#include<linux/uaccess.h>
>   #include<linux/kdebug.h>
>   #include<linux/slab.h>
>
> @@ -118,11 +119,19 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
>   	union mips_instruction prev_insn;
>   	int ret = 0;
>
> -	prev_insn = p->addr[-1];
>   	insn = p->addr[0];
>
> -	if (insn_has_delayslot(insn) || insn_has_delayslot(prev_insn)) {
> -		pr_notice("Kprobes for branch and jump instructions are not supported\n");
> +	if (insn_has_delayslot(insn)) {
> +		pr_notice("Kprobes for branch and jump instructions are not"
> +			  "supported\n");

Don't wrap these strings.

It is better to go a little bit over 80 columns, than have this.

David Daney

  reply	other threads:[~2011-11-08 19:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-08 17:03 [PATCH 0/4] MIPS Kprobes Maneesh Soni
2011-11-08 17:04 ` [PATCH 1/4] MIPS Kprobes: Fix OOPS in arch_prepare_kprobe() Maneesh Soni
2011-11-08 19:57   ` David Daney [this message]
2011-11-09  5:26     ` Maneesh Soni
2011-11-17 23:17   ` Ralf Baechle
2011-11-08 17:05 ` [PATCH 2/4] MIPS Kprobes: Deny probes on ll/sc instructions Maneesh Soni
2011-11-08 20:01   ` David Daney
2011-11-08 23:26     ` Victor Kamensky
2011-11-16 12:12       ` Ralf Baechle
2011-11-16 17:39         ` Victor Kamensky
2011-11-17 23:18   ` Ralf Baechle
2011-11-08 17:07 ` [PATCH 3/4] MIPS Kprobes: Refactoring Branch emulation Maneesh Soni
2011-11-17 23:18   ` Ralf Baechle
2011-11-08 17:08 ` [PATCH 4/4] MIPS Kprobes: Support branch instructions probing - v2 Maneesh Soni
2011-11-17 23:18   ` Ralf Baechle

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