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Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup |
Date: |
Wed, 20 Jan 2016 15:05:13 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 |
On 19/01/2016 08:48, Denis V. Lunev wrote:
>>
>> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
>> index 6877b4d7e..93c9e25 100644
>> --- a/include/linux/kvm_host.h
>> +++ b/include/linux/kvm_host.h
>> @@ -145,6 +145,7 @@ static inline bool is_error_page(struct page *page)
>> #define KVM_REQ_HV_RESET 29
>> #define KVM_REQ_HV_EXIT 30
>> #define KVM_REQ_HV_STIMER 31
>> +#define KVM_REQ_HV_TSC_PAGE 32
>> #define KVM_REQ_MAX 64
>>
> ping
Applied with this change:
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index d7716c6e2752..047c275717d3 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -842,7 +842,7 @@ int kvm_hv_setup_tsc_page(struct kvm_vcpu *vcpu)
tsc_khz, tsc, tsc_scale, tsc_offset);
tsc_ref.tsc_sequence++;
- if (tsc_ref.tsc_sequence == 0)
+ if (tsc_ref.tsc_sequence == 0xFFFFFFFF tsc_ref.tsc_sequence == 0)
tsc_ref.tsc_sequence = 1;
tsc_ref.tsc_scale = tsc_scale;
and renumbering KVM_REQ_HV_TSC_PAGE from 32 to 31.
Paolo
- Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup, Peter Hornyack, 2016/01/05
- Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup, Andrey Smetanin, 2016/01/12
- Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup, Denis V. Lunev, 2016/01/19
- Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup, Andrey Smetanin, 2016/01/20
- Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup, Denis V. Lunev, 2016/01/20
- Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup, Roman Kagan, 2016/01/20
- Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup, Denis V. Lunev, 2016/01/20
- Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup, Paolo Bonzini, 2016/01/20
Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup, Paolo Bonzini, 2016/01/22