[Devel] [PATCH 00/16] add tsc_scale and fix VM pause/resume

[Denis V. Lunev]

On 11/14/2016 12:20 PM, Denis V. Lunev wrote:
> On 11/11/2016 09:47 AM, Roman Kagan wrote:
>> From: Denis Plotnikov <dplotnikov at virtuozzo.com>
>>
>> The set of patches:
>> 1. adds tsc_scaling functionality for VMX
>> 2. generalizes a number of functions responsible for tsc writing and
>>    reading
>> 3. fix VM pause/resume issue #PSBM-54338 by switching to using
>>    of cached tsc_offset
>>
>> Haozhong Zhang (12):
>>   KVM: x86: Collect information for setting TSC scaling ratio
>>   KVM: x86: Add a common TSC scaling ratio field in kvm_vcpu_arch
>>   KVM: x86: Add a common TSC scaling function
>>   KVM: x86: Replace call-back set_tsc_khz() with a common function
>>   KVM: x86: Replace call-back compute_tsc_offset() with a common
>>     function
>>   KVM: x86: Move TSC scaling logic out of call-back adjust_tsc_offset()
>>   KVM: x86: Move TSC scaling logic out of call-back read_l1_tsc()
>>   KVM: x86: Use the correct vcpu's TSC rate to compute time scale
>>   KVM: VMX: Enable and initialize VMX TSC scaling
>>   KVM: VMX: Setup TSC scaling ratio when a vcpu is loaded
>>   KVM: VMX: Use a scaled host TSC for guest readings of MSR_IA32_TSC
>>   KVM: VMX: Dump TSC multiplier in dump_vmcs()
>>
>> Luiz Capitulino (2):
>>   kvm: x86: add tsc_offset field to struct kvm_vcpu_arch
>>   kvm: x86: drop read_tsc_offset()
>>
>> Paolo Bonzini (2):
>>   KVM: x86: declare a few variables as __read_mostly
>>   KVM: x86: drop TSC offsetting kvm_x86_ops to fix KVM_GET/SET_CLOCK
>>
>>  arch/x86/include/asm/kvm_host.h |  28 ++-----
>>  arch/x86/include/asm/vmx.h      |   4 +-
>>  arch/x86/kvm/hyperv.c           |   2 +-
>>  arch/x86/kvm/lapic.c            |   4 +-
>>  arch/x86/kvm/svm.c              | 144 +++----------------------------
>>  arch/x86/kvm/vmx.c              | 103 ++++++++---------------
>>  arch/x86/kvm/x86.c              | 182 ++++++++++++++++++++++++++++++++++------
>>  7 files changed, 214 insertions(+), 253 deletions(-)
>>
> Kostya, when this can be merged?
> This patchset is for blocker.
>
> For 7.3 branch you should get just last patch.
>
> Den
?