Hi Paolo,
May I ask that any suggestion about the version 2 of VMX LBRV?
This version is updated following your advices in version 1.
BTW the kvm-unit-test for this feature has sent too, and I
have tested the CPUs emulated by QEMU.
Thanks,
Jian
On 2015/10/23 17:15, Jian Zhou wrote:
Changelog in v2:
(1) move the implementation into vmx.c
(2) migraton is supported
(3) add arrays in kvm_vcpu_arch struct to save/restore
LBR MSRs at vm exit/entry time.
(4) add a parameter of kvm_intel module to permanently
disable LBRV
(5) table of supported CPUs is reorgnized, LBRV
can be enabled or not according to the guest CPUID
Jian Zhou (4):
KVM: X86: Add arrays to save/restore LBR MSRs
KVM: X86: LBR MSRs of supported CPU types
KVM: X86: Migration is supported
KVM: VMX: details of LBR virtualization implementation
arch/x86/include/asm/kvm_host.h | 26 ++++-
arch/x86/include/asm/msr-index.h | 26 ++++-
arch/x86/kvm/vmx.c | 245 +++++++++++++++++++++++++++++++++++++++
arch/x86/kvm/x86.c | 88 ++++++++++++--
4 files changed, 366 insertions(+), 19 deletions(-)
--
1.7.12.4
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