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Differential D41251

isa_common: find next bit faster
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Authored by dougm on Jul 31 2023, 6:12 PM.
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imp
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rGc2cbd7ffa71a: isa_common: find next bit faster
Summary

Since ffs is no longer implemented with a linear search, find_next_bit can work in constant time, with masking.

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rG FreeBSD src repository
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dougm requested review of this revision.Jul 31 2023, 6:12 PM
dougm created this revision.
imp accepted this revision.Jul 31 2023, 11:12 PM

The change is good... but I wonder how many systems have isa pnp cards these days...

This revision is now accepted and ready to land.Jul 31 2023, 11:12 PM
Closed by commit rGc2cbd7ffa71a: isa_common: find next bit faster (authored by dougm). · Explain WhyAug 1 2023, 2:05 AM
This revision was automatically updated to reflect the committed changes.
dougm added a commit: rGc2cbd7ffa71a: isa_common: find next bit faster.

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sys/
isa/
7 lines

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sys/isa/isa_common.c

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