On 3/2/20 8:59 PM, Laszlo Ersek wrote:
On 02/26/20 23:11, Laszlo Ersek wrote:
Supersedes: <20200223172537.28464-1-ler...@redhat.com>
Bugzilla: https://bugzilla.tianocore.org/show_bug.cgi?id=1512
Repo: https://github.com/lersek/edk2.git
Branch: vcpu_hotplug_smm_bz_1512_v2
V1 was posted at:
* [edk2-devel] [PATCH 00/16]
OvmfPkg: support VCPU hotplug with -D SMM_REQUIRE
https://edk2.groups.io/g/devel/message/54734
20200223172537.28464-1-lersek@redhat.com">http://mid.mail-archive.com/20200223172537.28464-1-lersek@redhat.com
New in v2:
- Document (in patch#11) and implement (in patch#12) the "combined"
approach described here:
111145fc-be3d-2a9a-a126-c14345a8a8a4@redhat.com">http://mid.mail-archive.com/111145fc-be3d-2a9a-a126-c14345a8a8a4@redhat.com
https://edk2.groups.io/g/devel/message/54754
The idea is basically to make the SMM Monarch wait not just until the
hot-added CPU hits the normal RAM Post-SMM Pen (which is safe wrt.
ordering, but can be attacked by the OS), but *also* until the
hot-added CPU is just about to execute RSM first (which is a bit less
safe wrt. ordering, but cannot be attacked by the OS).
- Pick up Ard's conditional A-b for the other patches, which have not
been modified.
- Rebase to master, and retest.
Thanks everyone for the feedback!
I plan to push this series soon after the hard feature freeze ends, and
edk2-stable202002 is tagged. I have three questions / remarks regarding
that:
- Phil, please tell me if you'd like me to hold the series for longer.
(You seem to have reached the end of the series, and I'm unsure about
the skipped patches -- maybe you want to skip them, maybe you need more
time for them.)
I needed more time when this is too x86 specific, which is not my cup of
tea. Next time!
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