On 10/21, Rabin Vincent wrote:
>
> On Wed, Oct 17, 2012 at 07:35:10PM +0200, Oleg Nesterov wrote:
> >
> > And, to clarify, I am not arguing. Just curious.
> >
> > So, is this like cmov on x86? And this patch allows to not report if
> > the condition is not true? Or there are other issues on arm?
>
On Wed, Oct 17, 2012 at 07:35:10PM +0200, Oleg Nesterov wrote:
> On 10/16, Rabin Vincent wrote:
> > 2012/10/15 Oleg Nesterov :
> > > Not sure I understand why we shouldn't call handlers in this case,
> > > but OK, I know nothing about arm.
> >
> > This old discussion about kprobes should be useful:
On 10/16, Rabin Vincent wrote:
>
> 2012/10/15 Oleg Nesterov :
> >
> > Not sure I understand why we shouldn't call handlers in this case,
> > but OK, I know nothing about arm.
>
> This old discussion about kprobes should be useful:
>
> http://lists.infradead.org/pipermail/linux-arm-kernel/2011-March
> static struct uprobe *find_active_uprobe(unsigned long bp_vaddr, int
> *is_swbp)
> {
> struct mm_struct *mm = current->mm;
> @@ -1469,6 +1474,7 @@ static void handle_swbp(struct pt_regs *regs)
> struct uprobe *uprobe;
> unsigned long bp_vaddr;
> int uninitialized_var(is
2012/10/15 Oleg Nesterov :
> On 10/14, Rabin Vincent wrote:
>> Allow arches to decided to ignore a probe hit. ARM will use this to
>> only call handlers if the conditions to execute a conditionally executed
>> instruction are satisfied.
>
> Not sure I understand why we shouldn't call handlers in t
On 10/14, Rabin Vincent wrote:
>
> Allow arches to decided to ignore a probe hit. ARM will use this to
> only call handlers if the conditions to execute a conditionally executed
> instruction are satisfied.
Not sure I understand why we shouldn't call handlers in this case,
but OK, I know nothing
Allow arches to decided to ignore a probe hit. ARM will use this to
only call handlers if the conditions to execute a conditionally executed
instruction are satisfied.
Signed-off-by: Rabin Vincent
---
include/linux/uprobes.h |1 +
kernel/events/uprobes.c | 14 +-
2 files chang
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