[PATCH 2/2] [PowerPC Book3E] Introduce new ptrace debug feature flag

Thiago Jung Bauermann bauerman at br.ibm.com
Thu Feb 16 09:18:51 EST 2012


On Mon, 2012-01-16 at 19:18 +1100, David Gibson wrote:
> Hrm.  An EXACT breakpoint is not exactly the same as a range
> breakpoint of length 1 (consider unaligned accesses).  But despite
> that, it should be possible to implement exact breakpoints on Book3S
> server hardware with some software filtering.
> 
> And since that leaves no hardware that *can't* implement exact
> breakpoints (directly or indirectly), I'm not yet convinced of the
> need for a flag bit.

I agree.

-- 
[]'s
Thiago Jung Bauermann
IBM Linux Technology Center



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