[Bug 258136] panic on boot under ARM64 Parallels, unless set to Other

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 14 Sep 2021 10:43:11 UTC

--- Comment #2 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:


commit e4d89a633e3b31ec1319e3238abceee2048996c4
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2021-09-01 09:41:14 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2021-09-14 07:24:52 +0000

    Add support for gicv2m as a child of gicv3

    On some systems, e.g. Parallels set to host a Linux VM under an M1 Mac,
    there is a GICv2m as a child of the GICv3. We previously assumed the
    GICv2m was always a child of a GICv2. Fix this by adding the needed
    support to the GICv3 driver.

    PR:             258136
    Reported by:    trasz
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D31768

 sys/arm64/arm64/gic_v3.c     | 90 ++++++++++++++++++++++++++++++++++++++++----
 sys/arm64/arm64/gic_v3_fdt.c |  2 +-
 2 files changed, 83 insertions(+), 9 deletions(-)

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