Messages in this thread | | | From | Xiao Guangrong <> | Subject | [PATCH v2 0/8] KVM: x86: enable cflushopt/clwb/pcommit and simplify code | Date | Wed, 9 Sep 2015 14:05:49 +0800 |
| |
Changelog: Thanks for Paolo's review, there are the changes in v2: - use WARN_ON(1) instead of BUG() if PCOMMIT-exit happend for L1 guest - drop set_clear_2nd_exec_ctrl() and use vmcs_{set,clear}_bits instead - improve commit log and adjust code style
This pachset enables clfushopt, clwb and pcommit instructions for guest which are used by NVDIMM.
The specification locates at: https://software.intel.com/sites/default/files/managed/0d/53/319433-022.pdf
patch 1 and patch 2 enable these three instructions for guest and other patches simplify current VMX code
Xiao Guangrong (8): KVM: x86: allow guest to use cflushopt and clwb KVM: x86: add pcommit support KVM: VMX: drop rdtscp_enabled check in prepare_vmcs02() KVM: VMX: simplify rdtscp handling in vmx_cpuid_update() KVM: VMX: simplify invpcid handling in vmx_cpuid_update() KVM: VMX: unify SECONDARY_VM_EXEC_CONTROL update KVM: VMX: clean up bit operation on SECONDARY_VM_EXEC_CONTROL KVM: VMX: drop rdtscp_enabled field
arch/x86/include/asm/vmx.h | 2 +- arch/x86/include/uapi/asm/vmx.h | 4 +- arch/x86/kvm/cpuid.c | 2 +- arch/x86/kvm/cpuid.h | 16 +++++++ arch/x86/kvm/vmx.c | 103 ++++++++++++++++++---------------------- 5 files changed, 67 insertions(+), 60 deletions(-)
-- 2.4.3
| |