amd64 pmap: Add pmap_qmapdev_attr function
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Authored by wulf on Dec 14 2025, 10:06 PM.

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imp

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Reviewers

bz
dumbbell
kib

Group Reviewers

linuxkpi

Summary

pmap_qmapdev_attr function is a version of pmap_qenter intended to map
device memory rather than real one. It takes array of page indexes
instead of pages itself as input parameter.
Required by coming LinuxKPI vmap_pfn function implementation.

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Repository

rG FreeBSD src repository

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Build Status

Buildable 69252
Build 66135: arc lint + arc unit

Event Timeline

wulf created this revision.Dec 14 2025, 10:06 PM

Herald added a subscriber: imp. · View Herald TranscriptDec 14 2025, 10:06 PM

wulf requested review of this revision.Dec 14 2025, 10:06 PM

Harbormaster completed remote builds in B69252: Diff 168024.Dec 14 2025, 10:06 PM

wulf added a child revision: D54225: LinuxKPI: Implement vmap_pfn.Dec 14 2025, 10:06 PM

wulf added a reviewer: kib.Dec 14 2025, 10:10 PM

bz added a reviewer: linuxkpi.Dec 14 2025, 10:18 PM

bz mentioned this in D54225: LinuxKPI: Implement vmap_pfn.Dec 14 2025, 10:25 PM

D54225 uses pmap_qenter() now

Revision Contents
Changeset List

Path

Size

sys/

amd64/

pmap.c

31 lines

include/

pmap.h

1 line

Diff 168024

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sys/amd64/amd64/pmap.c