[Bug 296348] efi: Panic in efidev_ioctl / efirt.c

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296348

--- Comment #22 from [email protected] ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=a2f50c4b32d1c126cf2309dab61d27d6329908f8

commit a2f50c4b32d1c126cf2309dab61d27d6329908f8
Author:     Konstantin Belousov <[email protected]>
AuthorDate: 2026-07-16 06:49:21 +0000
Commit:     Konstantin Belousov <[email protected]>
CommitDate: 2026-07-16 15:32:50 +0000

    amd64 efirt: register all runtime regions as fictitious

    This is needed for VM_PHYS_TO_PAGE() to work, which is needed for
    pmap_map_io_transient() to work, which is needed for uiomove_fromphys()
    to work.

    PR:     296348
    Reported and tested by: Anton Saietskii <[email protected]>
    Reviewed by:    markj
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
    Differential revision:  https://reviews.freebsd.org/D58274

 sys/amd64/amd64/efirt_machdep.c | 3 +++
 1 file changed, 3 insertions(+)

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