Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2929
Repo: https://pagure.io/lersek/edk2.git
Branch: cpu_hotplug_races_bz_2929
Proposing these bugfixes for edk2-stable202008. We should either include
them in the release, or revert commit 5ba203b54e59
("OvmfPkg/SmmControl2Dxe: negotiate ICH9_LPC_SMI_F_CPU_HOTPLUG",
2020-08-24). Please see the BZ for more details.
Cc: Ard Biesheuvel <ard.biesheu...@arm.com>
Cc: Igor Mammedov <imamm...@redhat.com>
Cc: Jordan Justen <jordan.l.jus...@intel.com>
Cc: Philippe Mathieu-Daudé <phi...@redhat.com>
Thanks,
Laszlo
Laszlo Ersek (2):
OvmfPkg/CpuHotplugSmm: fix CPU hotplug race just before SMI broadcast
OvmfPkg/CpuHotplugSmm: fix CPU hotplug race just after SMI broadcast
OvmfPkg/CpuHotplugSmm/CpuHotplug.c | 19 +++++++++++
OvmfPkg/CpuHotplugSmm/Smbase.c | 35 ++++++++++++++++----
2 files changed, 48 insertions(+), 6 deletions(-)
--
2.19.1.3.g30247aa5d201
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