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nVMX: Fixes to run Xen as L1

Bandan Das kvm lkml 3 versions – Applied

Status from this message: Applied, thanks.

Get series with b4
b4 am [email protected]

Versions newest first · linked by author and title

  1. v3 Latest3 patches 1 replyApplied
  2. v23 patches 17 repliesSuperseded
  3. v13 patches 14 repliesSuperseded

Changes in v3 from the cover letter

* Add WARN_ON in nested_vmx_exit
* Rebase on top of 3.15-rc1
* Also noticed a new behavior which I think is related to
commit 36be0b9deb23161e KVM: x86: Add nested virtualization support for MPX On running L2, console gets filled up with -
vmwrite error: reg 2812 value 0 (err 12) ..
I will post a separate patch to get feedback, since these three patches have probably addressed all of reviewers' concerns

Patches in v3 Applied

#Subject and filesSizeRepliesApplied
1/3KVM: nVMX: Don't advertise single context invalidation for inveptarch/x86/kvm/vmx.c+5 -100 replies
2/3KVM: nVMX: Ack and write vector info to intr_info if L1 asks us toarch/x86/kvm/irq.c arch/x86/kvm/vmx.c+19 -00 replies
3/3KVM: nVMX: Advertise support for interrupt acknowledgementarch/x86/kvm/vmx.c+3 -20 replies

Reviews trailers per patch

No Reviewed-by, Acked-by or Tested-by trailers for v3 yet.

Read the v3 thread

Cover letter [PATCH v3 0/3] nVMX: Fixes to run Xen as L1

Minor changes to enable Xen as a L1 hypervisor.

Tested with a Haswell host, Xen-4.3 L1 and debian6 L2

v3:
* Add WARN_ON in nested_vmx_exit
* Rebase on top of 3.15-rc1
* Also noticed a new behavior which I think is related to
commit 36be0b9deb23161e KVM: x86: Add nested virtualization support for MPX On running L2, console gets filled up with -
vmwrite error: reg 2812 value 0 (err 12) ..
I will post a separate patch to get feedback, since these three patches have probably addressed all of reviewers' concerns

v2:
* Remove advertising single context invalidation for emulated invept Patch "KVM: nVMX: check for null vmcs12 when L1 does invept" from v1 is now obsolete and is removed
* Reorder patches "KVM: nVMX: Advertise support for interrupt acknowledgement" and "nVMX: Ack and write vector info to intr_info if L1 asks us to"
* Add commit description to 2/3 and change comment for nested_exit_intr_ack_set

Jan, I will send a separate unit-test patch

Bandan Das (3):
KVM: nVMX: Don't advertise single context invalidation for invept
KVM: nVMX: Ack and write vector info to intr_info if L1 asks us to
KVM: nVMX: Advertise support for interrupt acknowledgement

 arch/x86/kvm/irq.c |  1 +
 arch/x86/kvm/vmx.c | 38 ++++++++++++++++++++++++++------------
 2 files changed, 27 insertions(+), 12 deletions(-)
Signature · 1 line
1.8.3.1

Read the cover letter in its thread