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Differential D50203

arm64: Raise a SIGILL if we fail reading an insn
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Authored by andrew on Tue, May 6, 5:03 PM.
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Reviewers
manu
harry.moulton_arm.com
Group Reviewers
arm64
Commits
rG8bfb456eafd3: arm64: Raise a SIGILL if we fail reading an insn
Summary

When reading an instruction we may fail if another thread is unmapping
a page while the current thread is executing from it. In this case
raise a SIGILL rather than panicing the kernel.

Sponsored by: Arm Ltd

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rG FreeBSD src repository
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sys/
arm64/
arm64/
3 lines

Diff 155316

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sys/arm64/arm64/undefined.c

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