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Differential D31091

linux(4): remove unfinished vsyscall bits on arm64
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Authored by trasz on Jul 7 2021, 1:40 PM.
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manu
dchagin
emaste
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Linux Emulation
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rG95f24ec842b5: linux(4): remove unfinished vsyscall bits on arm64
rG84a3963d5d94: linux(4): remove unfinished vsyscall bits on arm64
Summary

The vsyscall mechanism is obsolete.

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rG FreeBSD src repository
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Tests Not Applicable

Event Timeline

trasz created this revision.Jul 7 2021, 1:40 PM
Herald added a reviewer: manu. · View Herald TranscriptJul 7 2021, 1:40 PM
Herald added subscribers: emaste, andrew, imp. · View Herald Transcript
trasz requested review of this revision.Jul 7 2021, 1:40 PM
Harbormaster completed remote builds in B40367: Diff 91936.Jul 7 2021, 1:40 PM
trasz added a reviewer: Linux Emulation.Jul 7 2021, 1:40 PM
dchagin accepted this revision.Jul 7 2021, 2:00 PM
dchagin added a subscriber: dchagin.

AFAIR, this is used on amd64 only

This revision is now accepted and ready to land.Jul 7 2021, 2:00 PM
emaste accepted this revision.Jul 7 2021, 3:13 PM
emaste added a comment.Jul 7 2021, 3:17 PM

Yes, a quick search suggests vsyscall was implemented only on 32- and 64-bit x86 Linux (and in Linuxulator, only 64-bit). And, sv_trap is used only in sys/amd64/amd64/trap.c.

trasz added a comment.Jul 13 2021, 9:50 AM

(Tinderboxed.)

Closed by commit rG84a3963d5d94: linux(4): remove unfinished vsyscall bits on arm64 (authored by trasz). · Explain WhyJul 13 2021, 9:59 AM
This revision was automatically updated to reflect the committed changes.
trasz added a commit: rG84a3963d5d94: linux(4): remove unfinished vsyscall bits on arm64.
trasz added a commit: rG95f24ec842b5: linux(4): remove unfinished vsyscall bits on arm64.Feb 17 2022, 3:54 PM

Revision Contents
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PathSize
sys/
arm64/
linux/
13 lines

Diff 92133

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sys/arm64/linux/linux_sysvec.c

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