arm64: Clear FPU flags in the pcb in cpu_copy_thread().
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Authored by jhb on Jan 15 2021, 6:52 PM.

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Reviewers

markj
manu

Commits

rGc6e27f5697c2: arm64: Clear FPU flags in the pcb in cpu_copy_thread().

Summary

New threads start off with clean FPU state instead of inheriting state
from the parent thread.

PR: 247945
Sponsored by: Netflix

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Lint Passed

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No Test Coverage

Build Status

Buildable 36237
Build 33126: arc lint + arc unit

Event Timeline

jhb created this revision.Jan 15 2021, 6:52 PM

Herald added a reviewer: manu. · View Herald TranscriptJan 15 2021, 6:52 PM

Herald added subscribers: emaste, andrew, imp. · View Herald Transcript

jhb requested review of this revision.Jan 15 2021, 6:52 PM

jhb added a parent revision: D28182: arm64: Trim duplicate code from cpu_fork_kthread_handler()..

Harbormaster completed remote builds in B36237: Diff 82330.Jan 15 2021, 6:53 PM

markj accepted this revision.Jan 15 2021, 7:11 PM

This revision is now accepted and ready to land.Jan 15 2021, 7:11 PM

jhb closed this revision.Jan 19 2021, 7:09 PM

jhb added a commit: rGc6e27f5697c2: arm64: Clear FPU flags in the pcb in cpu_copy_thread()..

Revision Contents
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Path

Size

sys/

arm64/

vm_machdep.c

1 line

Diff 82330

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sys/arm64/arm64/vm_machdep.c

arm64: Clear FPU flags in the pcb in cpu_copy_thread().ClosedPublicActions