Re: [PATCH] arch_check_bp_in_kernelspace: fix the range check

[Steven Rostedt]

On Tue, 2012-11-20 at 16:48 +0100, Oleg Nesterov wrote:

> > But here, there's no prejudice between tasks. All tasks will now hit the
> > breakpoint regardless of if it is being traced or not.
>   ^^^^^^^^^^
> 
> This is hardware breakpoint, it is per-task.

I forgot that hw breakpoints are swapped out at context switch (as Amnon
informed me). 

OK, that makes a big difference.

Thanks,

-- Steve


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