diff options
author | Daniel Henrique Barboza <danielhb413@gmail.com> | 2021-12-17 17:57:13 +0100 |
---|---|---|
committer | Cédric Le Goater <clg@kaod.org> | 2021-12-17 17:57:13 +0100 |
commit | 3e8f7158153f035477d975869d22d07da719f0be (patch) | |
tree | a50bbafafb5ec15fdbdbdf43e7524aa529c45310 /docs | |
parent | ebe6c3fab8614a26130f7c72dd35ecede11a0f71 (diff) |
docs/system/ppc/powernv.rst: document KVM support status
Put in a more accessible place the reasoning behind our decision
to officially drop KVM support in the powernv machine.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20211130133153.444601-3-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'docs')
-rw-r--r-- | docs/system/ppc/powernv.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/docs/system/ppc/powernv.rst b/docs/system/ppc/powernv.rst index edd45d1eaa..c8f9762342 100644 --- a/docs/system/ppc/powernv.rst +++ b/docs/system/ppc/powernv.rst @@ -54,6 +54,19 @@ Prebuilt images of ``skiboot`` and ``skiroot`` are made available on the QEMU includes a prebuilt image of ``skiboot`` which is updated when a more recent version is required by the models. +Current acceleration status +--------------------------- + +KVM acceleration in Linux Power hosts is provided by the kvm-hv and +kvm-pr modules. kvm-hv is adherent to PAPR and it's not compliant with +powernv. kvm-pr in theory could be used as a valid accel option but +this isn't supported by kvm-pr at this moment. + +To spare users from dealing with not so informative errors when attempting +to use accel=kvm, the powernv machine will throw an error informing that +KVM is not supported. This can be revisited in the future if kvm-pr (or +any other KVM alternative) is usable as KVM accel for this machine. + Boot options ------------ |