Re: [PATCH 1/4] MIPS Kprobes: Fix OOPS in arch_prepare_kprobe()

[Maneesh Soni]

On Tue, Nov 08, 2011 at 11:57:45AM -0800, David Daney wrote:
> 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

Ok.. will keep that in mind for future patches. This line actually
goes away in patch 4/4.

Thanks
Maneesh
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