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From: Krish Sadhukhan <krish.sadhukhan@oracle.com>
To: kvm@vger.kernel.org
Cc: pbonzini@redhat.com, rkrcmar@redhat.com, jmattson@google.com
Subject: [KVM nVMX]: Check "load IA32_PERF_GLOBAL_CTRL" on vmentry of nested guests
Date: Wed, 24 Apr 2019 19:17:16 -0400
Message-ID: <20190424231724.2014-1-krish.sadhukhan@oracle.com> (raw)

Patch 1 through 7 add the necessary KVM code for checking and enabling
"load IA32_PERF_GLOBAL_CTRL" VM-{exit,entry} controls.

Patch# 8 adds a unit test for the "load IA32_PERF_GLOBAL_CTRL" VM-exit
control. I will send a separate patch for the unit test for
"load IA32_PERF_GLOBAL_CTRL" VM-entry control.


[PATCH 1/8][KVMnVMX]: Enable "load IA32_PERF_GLOBAL_CTRL" VM-exit control
[PATCH 2/8][KVM nVMX]: Enable "load IA32_PERF_GLOBAL_CTRL" VM-entry
[PATCH 3/8][KVM VMX]: Add a function to check reserved bits in
[PATCH 4/8][KVM nVMX]: Check "load IA32_PERF_GLOBAL_CTRL" VM-exit control
[PATCH 5/8][KVM nVMX]: Check "load IA32_PERF_GLOBAL_CTRL" VM-entry control
[PATCH 6/8][KVM nVMX]: Load IA32_PERF_GLOBAL_CTRL MSR on vmentry of nested
[PATCH 7/8][KVM nVMX]: Enable "load IA32_PERF_GLOBAL_CTRL VM-{entry,exit}
[PATCH 8/8][KVM nVMX]: Test "load IA32_PERF_GLOBAL_CTRL" controls on vmentry

 arch/x86/include/asm/kvm_host.h  |  1 +
 arch/x86/include/asm/msr-index.h |  7 +++++++
 arch/x86/kvm/vmx/nested.c        | 19 +++++++++++++++++--
 arch/x86/kvm/vmx/vmx.c           | 12 ++++++++++++
 arch/x86/kvm/x86.c               | 20 ++++++++++++++++++++
 5 files changed, 57 insertions(+), 2 deletions(-)

Krish Sadhukhan (7):
      nVMX: Enable "load IA32_PERF_GLOBAL_CTRL" VM-exit control for nested guests
      nVMX: Enable "load IA32_PERF_GLOBAL_CTRL" VM-entry control for nested guests
      VMX: Add a function to check reserved bits in MSR_CORE_PERF_GLOBAL_CTRL
      nVMX: Check "load IA32_PERF_GLOBAL_CTRL" VM-exit control on vmentry of nested guests
      nVMX: Check "load IA32_PERF_GLOBAL_CTRL" VM-entry control on vmentry of nested guests
      nVMX: Load IA32_PERF_GLOBAL_CTRL MSR on vmentry of nested guests
      nVMX: Enable "load IA32_PERF_GLOBAL_CTRL VM-{entry,exit} controls

 x86/vmx_tests.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

Krish Sadhukhan (1):
      nVMX: Test "load IA32_PERF_GLOBAL_CTRL" controls on vmentry of nested guests


             reply index

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-24 23:17 Krish Sadhukhan [this message]
2019-04-24 23:17 ` [PATCH 1/8][KVMnVMX]: Enable "load IA32_PERF_GLOBAL_CTRL" VM-exit control for " Krish Sadhukhan
2019-05-13 18:49   ` Sean Christopherson
2019-05-13 22:08     ` Krish Sadhukhan
2019-04-24 23:17 ` [PATCH 2/8][KVM nVMX]: Enable "load IA32_PERF_GLOBAL_CTRL" VM-entry " Krish Sadhukhan
2019-05-13 18:49   ` Sean Christopherson
2019-04-24 23:17 ` [PATCH 3/8][KVM VMX]: Add a function to check reserved bits in MSR_CORE_PERF_GLOBAL_CTRL Krish Sadhukhan
2019-05-13 18:57   ` Sean Christopherson
2019-08-15 22:29     ` Jim Mattson
2019-04-24 23:17 ` [PATCH 4/8][KVM nVMX]: Check "load IA32_PERF_GLOBAL_CTRL" VM-exit control on vmentry of nested guests Krish Sadhukhan
2019-05-13 19:00   ` Sean Christopherson
2019-05-16 22:07     ` Krish Sadhukhan
2019-05-17 20:34       ` Sean Christopherson
2019-08-15 22:54         ` Jim Mattson
2019-04-24 23:17 ` [PATCH 5/8][KVM nVMX]: Check "load IA32_PERF_GLOBAL_CTRL" VM-entry " Krish Sadhukhan
2019-08-15 22:36   ` Jim Mattson
2019-04-24 23:17 ` [PATCH 6/8][KVM nVMX]: Load IA32_PERF_GLOBAL_CTRL MSR " Krish Sadhukhan
2019-08-15 22:44   ` Jim Mattson
2019-08-21 23:05     ` Krish Sadhukhan
2019-08-21 23:10       ` Jim Mattson
2019-08-23  5:29     ` Krish Sadhukhan
2019-08-23 15:57       ` Jim Mattson
2019-04-24 23:17 ` [PATCH 7/8][KVM nVMX]: Enable "load IA32_PERF_GLOBAL_CTRL VM-{entry,exit} controls Krish Sadhukhan
2019-05-13 19:12   ` Sean Christopherson
2019-08-15 23:02     ` Jim Mattson
2019-04-24 23:17 ` [PATCH 8/8][KVM nVMX]: Test "load IA32_PERF_GLOBAL_CTRL" controls on vmentry of nested guests Krish Sadhukhan
2019-05-13 18:46 ` [KVM nVMX]: Check "load IA32_PERF_GLOBAL_CTRL" " Sean Christopherson

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