Public bug reported:
Hi Canonical,
There are some critical bugs for KVM that didn't make kernel 4.15 and we
must have then included in 18.04 kernel. They are:
* Allow HPT guests on P9 DD2.2 without requiring indep_threads_mode=N.
6964e6a4e489 KVM: PPC: Book3S HV: Do SLB load/unload with guest LPCR value
loaded
cda4a1473313 KVM: PPC: Book3S HV: Fix duplication of host SLB entries (needed
once 6964e6a4e489 is in)
00608e1f007e KVM: PPC: Book3S HV: Allow HPT and radix on the same core for
POWER9 v2.2
* Memory management fixes.
c3856aeb2940 KVM: PPC: Book3S HV: Fix handling of large pages in radix page
fault handler
debd574f4195 KVM: PPC: Book3S HV: Fix VRMA initialization with 2MB or 1GB
memory backing
* Emulation of VMX loads and stores for MMIO.
09f984961c13 KVM: PPC: Book3S: Add MMIO emulation for VMX instructions
6df3877fc962 KVM: PPC: Book3S: Fix compile error that occurs with some gcc
versions (needed once 09f984961c13 is in)
* Other important fixes.
05f2bb0313a2 KVM: PPC: Book3S HV: Fix handling of secondary HPTEG in HPT
resizing code
790a9df5fbef KVM: PPC: Book3S HV: Make HPT resizing work on POWER9
a8b48a4dccea KVM: PPC: Book3S HV: Fix trap number return from
__kvmppc_vcore_entry
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage)
Status: New
** Tags: architecture-ppc64le bugnameltc-166067 severity-high
targetmilestone-inin1804
** Tags added: architecture-ppc64le bugnameltc-166067 severity-high
targetmilestone-inin1804
** Changed in: ubuntu
Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage
(ubuntu-power-triage)
** Package changed: ubuntu => linux (Ubuntu)
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1759045
Title:
Important KVM fixes for ppc64el
Status in linux package in Ubuntu:
New
Bug description:
Hi Canonical,
There are some critical bugs for KVM that didn't make kernel 4.15 and
we must have then included in 18.04 kernel. They are:
* Allow HPT guests on P9 DD2.2 without requiring indep_threads_mode=N.
6964e6a4e489 KVM: PPC: Book3S HV: Do SLB load/unload with guest LPCR value
loaded
cda4a1473313 KVM: PPC: Book3S HV: Fix duplication of host SLB entries (needed
once 6964e6a4e489 is in)
00608e1f007e KVM: PPC: Book3S HV: Allow HPT and radix on the same core for
POWER9 v2.2
* Memory management fixes.
c3856aeb2940 KVM: PPC: Book3S HV: Fix handling of large pages in radix page
fault handler
debd574f4195 KVM: PPC: Book3S HV: Fix VRMA initialization with 2MB or 1GB
memory backing
* Emulation of VMX loads and stores for MMIO.
09f984961c13 KVM: PPC: Book3S: Add MMIO emulation for VMX instructions
6df3877fc962 KVM: PPC: Book3S: Fix compile error that occurs with some gcc
versions (needed once 09f984961c13 is in)
* Other important fixes.
05f2bb0313a2 KVM: PPC: Book3S HV: Fix handling of secondary HPTEG in HPT
resizing code
790a9df5fbef KVM: PPC: Book3S HV: Make HPT resizing work on POWER9
a8b48a4dccea KVM: PPC: Book3S HV: Fix trap number return from
__kvmppc_vcore_entry
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