Re: [RFC] [PATCH 1/7] User Space Breakpoint Assistance Layer (UBP)

[Ananth N Mavinakayanahalli]

On Fri, Jan 15, 2010 at 11:13:32AM +0100, Peter Zijlstra wrote:
> On Fri, 2010-01-15 at 15:40 +0530, Ananth N Mavinakayanahalli wrote:
> 
> > Ideas?
> 
> emulate the one instruction?

In kernel? Generically? Don't think its that easy for userspace --
you have the full gamut of instructions to emulate (fp, vector, etc);
further, the instruction could itself cause a page fault and the like.
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