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re: kern/57718: mstohz rounds down, not up, which leads to surprising bugs when it rounds to zero

To: gnats-bugs%netbsd.org@localhost
Subject: re: kern/57718: mstohz rounds down, not up, which leads to surprising bugs when it rounds to zero
From: matthew green <mrg%eterna23.net@localhost>
Date: Thu, 23 Nov 2023 07:43:34 +1100

> >Fix:
> Yes, please!

yes please :-)

long ago (90s) we didn't fail with hz=1 even.  :-)  this was
useful for early bring up on sparc64.

i've got a couple of places where i convert mstohz() to have
a min(1, ..) but i never got around to looking closer.


.mrg.

References:
- kern/57718: mstohz rounds down, not up, which leads to surprising bugs when it rounds to zero
  - From: campbell+netbsd

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