From: Xiao Guangrong <guangrong.xiao@linux.intel.com>
To: pbonzini@redhat.com
Cc: gleb@kernel.org, mtosatti@redhat.com, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org,
Xiao Guangrong <guangrong.xiao@linux.intel.com>
Subject: [PATCH v2 0/8] KVM: x86: enable cflushopt/clwb/pcommit and simplify code
Date: Wed, 9 Sep 2015 14:05:49 +0800 [thread overview]
Message-ID: <1441778757-5866-1-git-send-email-guangrong.xiao@linux.intel.com> (raw)
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
next reply other threads:[~2015-09-09 6:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-09 6:05 Xiao Guangrong [this message]
2015-09-09 6:05 ` [PATCH v2 1/8] KVM: x86: allow guest to use cflushopt and clwb Xiao Guangrong
2015-09-09 6:05 ` [PATCH v2 2/8] KVM: x86: add pcommit support Xiao Guangrong
2015-09-15 15:30 ` Paolo Bonzini
2015-09-09 6:05 ` [PATCH v2 3/8] KVM: VMX: drop rdtscp_enabled check in prepare_vmcs02() Xiao Guangrong
2015-09-09 6:05 ` [PATCH v2 4/8] KVM: VMX: simplify rdtscp handling in vmx_cpuid_update() Xiao Guangrong
2015-09-09 6:05 ` [PATCH v2 5/8] KVM: VMX: simplify invpcid " Xiao Guangrong
2015-09-09 6:05 ` [PATCH v2 6/8] KVM: VMX: unify SECONDARY_VM_EXEC_CONTROL update Xiao Guangrong
2015-09-15 15:45 ` Paolo Bonzini
2015-09-09 6:05 ` [PATCH v2 7/8] KVM: VMX: clean up bit operation on SECONDARY_VM_EXEC_CONTROL Xiao Guangrong
2015-09-09 6:05 ` [PATCH v2 8/8] KVM: VMX: drop rdtscp_enabled field Xiao Guangrong
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