[Bug 212782] [bhyve] Increasing VM_MAXCPU to >= 26 will result in ACPI MADT table corruption
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Sat May 4 13:44:27 UTC 2019
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212782
--- Comment #6 from commit-hook at freebsd.org ---
A commit references this bug:
Author: rgrimes
Date: Sat May 4 13:43:49 UTC 2019
New revision: 347124
URL: https://svnweb.freebsd.org/changeset/base/347124
Log:
MFC: r346715: Acpi MADT table correction for VM_MAXCPU > 21
The bhyve acpi MADT table was given a static space of 256 (0x100) bytes,
this is enough space to allow VM_MAXCPU to be 21, this patch changes that
so VM_MAXCPU can be of arbitrary value and not overflow the space by
actually calculating the space needed for the table.
PR: 212782
Reviewed by: Patrick Mooney <patrick.mooney at joyent.com>
Approved by: bde (mentor, implicit), jhb (maintainer)
Differential Revision: https://reviews.freebsd.org/D18815
Changes:
_U stable/11/
stable/11/usr.sbin/bhyve/acpi.c
_U stable/12/
stable/12/usr.sbin/bhyve/acpi.c
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