Re: [PATCH v2 8/8] powerpc: Enable Generic Entry/Exit for syscalls.

[Segher Boessenkool]

Hi!

On Sun, Dec 14, 2025 at 06:32:44PM +0530, Mukesh Kumar Chaurasiya wrote:
> 
> | Test            | With Patch | Without Patch | % Change |
> | --------------- | ---------- | ------------- | -------- |
> | fork usec/op    | 833.986    | 814.809       | +2.35%   |

What causes this regression, did you investigate?  Maybe there is
something simple you can do to avoid this degradation :-)  All other
numbers look just fine :-)

> | Test            | With Patch | Without Patch | % Change |
> | --------------- | ---------- | ------------- | -------- |
> | fork ops/sec    | 1,199      | 1,227         | -2.28%   |

(Same thing seen from another side)


Segher