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arm: Fix handling of undefined instructions in kernel mode

Description

arm: Fix handling of undefined instructions in kernel mode

Only panic if no undefined instruction handler matched the exception.
This can arise in practice if the VFP is enabled lazily.

While here, fix the panic string to not include a newline.

Reviewed by: andrew
Obtained from: Stormshield
Sponsored by: Klara, Inc.
Sponsored by: Stormshield
Differential Revision: https://reviews.freebsd.org/D42970

Details

Provenance
markjAuthored on Dec 11 2023, 2:08 PM
Reviewer
andrew
Differential Revision
D42970: arm: Fix handling of undefined instructions in kernel mode
Parents
rGa6a481eaa2e0: arm: Add fpu_kern_alloc_ctx()
Branches
Unknown
Tags
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