Fix PTE_D handling in pmap_remove_write().
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Authored by markj on Jan 3 2019, 7:56 PM.

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alc
kib
jhb
br
mhorne063_gmail.com

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rS342765: Fix dirty bit handling in pmap_remove_write().

Summary

Use atomic_fcmpset while here.

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Buildable 21821
Build 21089: arc lint + arc unit

Event Timeline

markj created this revision.Jan 3 2019, 7:56 PM

Harbormaster completed remote builds in B21821: Diff 52519.Jan 3 2019, 7:56 PM

markj edited the summary of this revision. (Show Details)Jan 3 2019, 8:10 PM

markj added reviewers: alc, kib, jhb, br, mhorne063_gmail.com.

You could update x86 pmaps to use fcmpset as well.

This revision is now accepted and ready to land.Jan 3 2019, 9:09 PM

jhb accepted this revision.Jan 3 2019, 9:28 PM

Closed by commit rS342765: Fix dirty bit handling in pmap_remove_write(). (authored by markj). · Explain WhyJan 4 2019, 5:10 PM

This revision was automatically updated to reflect the committed changes.

Herald added a subscriber: imp. · View Herald TranscriptJan 4 2019, 5:10 PM

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sys/

riscv/

pmap.c

10 lines

Diff 52519

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Fix PTE_D handling in pmap_remove_write().ClosedPublicActions