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Remove sysctl 'kern.smp.forward_signal_enabled'
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Authored by olce on Oct 20 2023, 1:51 PM.
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Details

Summary

It seems this was an "emergency" knob to revert a newly introduced
behavior. Overall, we want better system-wide signal receive latency,
and it doesn't seem that some contrary policy was ever needed (and if
that comes up, it should rather be implemented, e.g., per-process).

Suggested by: kib
Sponsored by: The FreeBSD Foundation

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olce requested review of this revision.Oct 20 2023, 1:51 PM

@kib Can this be MFCed, or falls under the KBI compatibility policy? If it can be MFCed, I'll merge it with D42285.

kib added a reviewer: jhb.
In D42315#965467, @olce.freebsd_certner.fr wrote:

@kib Can this be MFCed, or falls under the KBI compatibility policy? If it can be MFCed, I'll merge it with D42285.

I believe it is unused and we should not consider it as a part of ABI.

This revision is now accepted and ready to land.Oct 20 2023, 2:53 PM

I'm fine with merging it. This is only a foot-shooting knob.

This revision was automatically updated to reflect the committed changes.