The following two patches solve two injection-related nested VMX issues:
1. When we must run L2 next (namely on L1's VMLAUNCH/VMRESUME), injection
into L1 was delayed for an unknown amount of time - until L2 exits.
We now force (using a self IPI) an exit immediately after entry to L2,
so that the injection into L1 happens promptly.
2. "unexpected, valid vectoring info" warnings appeared in L1.
These are fixed by correcting the emulation of concurrent L0->L1 and
L1->L2 injections: We cannot inject into L1 until the injection into L2
has been processed.
Patch statistics:
-----------------
arch/x86/kvm/vmx.c | 18 +++++++++++-------
arch/x86/kvm/x86.c | 6 ++++++
include/linux/kvm_host.h | 1 +
3 files changed, 18 insertions(+), 7 deletions(-)
--
Nadav Har'El
IBM Haifa Research Lab
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