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Differential D27135

Questionable optimization for riscv cpu_fetch_syscall_args()
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Authored by trasz on Nov 7 2020, 6:16 PM.
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riscv
Summary

XXX: stashed for later

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Repository
rS FreeBSD src repository - subversion
Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 34686
Build 31753: arc lint + arc unit

Event Timeline

trasz created this revision.Nov 7 2020, 6:16 PM
Herald added a subscriber: imp. · View Herald TranscriptNov 7 2020, 6:16 PM
trasz requested review of this revision.Nov 7 2020, 6:16 PM
Harbormaster completed remote builds in B34685: Diff 79304.Nov 7 2020, 6:17 PM
trasz planned changes to this revision.Nov 7 2020, 6:17 PM
trasz updated this revision to Diff 79305.Nov 7 2020, 6:17 PM

meh

Harbormaster completed remote builds in B34686: Diff 79305.Nov 7 2020, 6:17 PM
trasz updated this revision to Diff 79329.Nov 8 2020, 6:29 PM

Rework.

Harbormaster completed remote builds in B34696: Diff 79329.Nov 8 2020, 6:29 PM
trasz planned changes to this revision.Nov 8 2020, 6:31 PM
linimon added a reviewer: riscv.Jun 11 2021, 1:50 PM
jhb added a subscriber: jhb.Jun 11 2021, 11:19 PM
jhb added inline comments.
sys/riscv/riscv/trap.c
118–124

Why add this check for nosys? Checking sa_code should be sufficient?

120

This is now missing validation of sa->code and also doesn't update callp. Presumably this has broken any uses of syscall(2)?

trasz abandoned this revision.Mar 22 2024, 9:31 AM

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sys/
riscv/
riscv/
15 lines

Diff 79305

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sys/riscv/riscv/trap.c

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