# Re: \[PATCH V3\] powerpc, xmon: Enable HW instruction breakpoint on POWER8

- From: Anshuman Khandual \<hidden\>
- Date: 2014-10-27 06:20:17 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2014/10/9481347
- Thread: https://ratatoskr.run/linuxppc-dev/2014/10/9481206/t.md

```text
On 10/09/2014 05:18 PM, Anshuman Khandual wrote:
> This patch enables support for hardware instruction breakpoints
> on POWER8 with the help of a new register CIABR (Completed
> Instruction Address Breakpoint Register). With this patch, single
> hardware instruction breakpoint can be added and cleared during
> any active xmon debug session. This hardware based instruction
> breakpoint mechanism works correctly along with the existing TRAP
> based instruction breakpoints available on xmon.

Hey Michael,

Any updates on this patch ?
```