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Don’t bother looking for non-executable pages when a process is excluded from PTI.
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Authored by tychon on Jun 8 2018, 7:26 PM.

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rS334856: Don't bother looking for non-executable pages when a process is

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rS FreeBSD src repository - subversion

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tychon created this revision.Jun 8 2018, 7:26 PM

kib added inline comments.Jun 8 2018, 8:14 PM

sys/amd64/amd64/trap.c
773 ↗	(On Diff #43471)	pti is not needed anymore ?
775 ↗	(On Diff #43471)	Excess ().

Incorporate feedback.

sys/amd64/amd64/trap.c
773 ↗	(On Diff #43471)	You're right. I can replace `pti` with `PCPU_GET(curpmap)->pm_ucr3 != PMAP_NO_CR3`.

kib accepted this revision.Jun 8 2018, 8:33 PM

This revision is now accepted and ready to land.Jun 8 2018, 8:33 PM

Closed by commit rS334856: Don't bother looking for non-executable pages when a process is (authored by tychon). · Explain WhyJun 8 2018, 8:36 PM

This revision was automatically updated to reflect the committed changes.

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trap.c

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head/sys/amd64/amd64/trap.c

Don’t bother looking for non-executable pages when a process is excluded from PTI.ClosedPublicActions