Discard the arm64 VFP state before resetting it
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Authored by andrew on Mar 23 2021, 6:29 PM.

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emaste

imp

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arichardson
manu

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arm64

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rGd6a53211a716: Discard the arm64 VFP state before resetting it

Summary

When resetting the VFP state we need to discard any old state so we don't
try to save it on a context switch. Move this first so resetting the pcb
is safe to perform outside a critical section.

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rG FreeBSD src repository

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Event Timeline

andrew created this revision.Mar 23 2021, 6:29 PM

Herald added a reviewer: manu. · View Herald TranscriptMar 23 2021, 6:29 PM

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

Harbormaster completed remote builds in B38027: Diff 86216.Mar 23 2021, 6:29 PM

andrew requested review of this revision.Mar 23 2021, 6:29 PM

arichardson accepted this revision.Mar 23 2021, 7:17 PM

This revision is now accepted and ready to land.Mar 23 2021, 7:17 PM

Closed by commit rGd6a53211a716: Discard the arm64 VFP state before resetting it (authored by andrew). · Explain WhyApr 8 2021, 10:20 AM

This revision was automatically updated to reflect the committed changes.

andrew added a commit: rGd6a53211a716: Discard the arm64 VFP state before resetting it.

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sys/

arm64/

vfp.c

10 lines

Diff 87010

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Discard the arm64 VFP state before resetting itClosedPublicActions