[Bug 261338] [PATCH] kernel panic "bad pte" under heavy CPU load on 12.2 and 12.3 (i386)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=261338

--- Comment #17 from Dmitry K. <thedix@yandex.ru> ---
(In reply to Andriy Gapon from comment #16)
Changing position of KASSERT will help to debug the function under amd64.
Imagine for some reason smp_targeted_tlb_shootdown() is called unpinned and the
first condition is satisfied (active kernel debug or booting). In this case we
go to local_cb and shed_unpin() is called. If KASSERT is placed after the if
statement, we will not receive the descriptive panic message "curthread not
pinned" and unpinning will expose strange panics again.

My tests are finished successfully.
I tested the latest patch under i386 and amd64 with 1 and 4 vCPUs building the
kernel with -j4.

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