Set PTE_U in pmap_enter_quick_locked().
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Authored by markj on Jan 2 2019, 6:17 PM.

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Reviewers

kib
alc
jhb
br
mhorne063_gmail.com

Commits

rS342733: Set PTE_U on PTEs created by pmap_enter_quick().

Summary

Otherwise any prefaulting that we do is basically wasted, since a
subsequent access will generate a fault due to missing user mode access
permissions.

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Build Status

Buildable 21807
Build 21075: arc lint + arc unit

Event Timeline

markj created this revision.Jan 2 2019, 6:17 PM

Harbormaster completed remote builds in B21807: Diff 52486.Jan 2 2019, 6:17 PM

markj added reviewers: kib, alc, jhb, br, mhorne063_gmail.com.Jan 2 2019, 6:24 PM

kib accepted this revision.Jan 2 2019, 10:13 PM

This revision is now accepted and ready to land.Jan 2 2019, 10:13 PM

jhb accepted this revision.Jan 2 2019, 11:51 PM

Closed by commit rS342733: Set PTE_U on PTEs created by pmap_enter_quick(). (authored by markj). · Explain WhyJan 3 2019, 4:19 PM

This revision was automatically updated to reflect the committed changes.

Herald added a subscriber: imp. · View Herald TranscriptJan 3 2019, 4:19 PM

Revision Contents
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Size

sys/

riscv/

pmap.c

26 lines

Diff 52486

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Set PTE_U in pmap_enter_quick_locked().ClosedPublicActions