From: Paolo Bonzini <pbonzini@redhat.com>
To: "Denis V. Lunev" <den@openvz.org>,
Andrey Smetanin <asmetanin@virtuozzo.com>,
kvm@vger.kernel.org
Cc: Gleb Natapov <gleb@kernel.org>,
Roman Kagan <rkagan@virtuozzo.com>,
qemu-devel@nongnu.org
Subject: Re: [PATCH v1] kvm/x86: Hyper-V tsc page setup
Date: Wed, 20 Jan 2016 15:05:13 +0100 [thread overview]
Message-ID: <569F9419.4000601@redhat.com> (raw)
In-Reply-To: <569DEA3B.2040107@openvz.org>
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
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: "Denis V. Lunev" <den@openvz.org>,
Andrey Smetanin <asmetanin@virtuozzo.com>,
kvm@vger.kernel.org
Cc: Gleb Natapov <gleb@kernel.org>,
Roman Kagan <rkagan@virtuozzo.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v1] kvm/x86: Hyper-V tsc page setup
Date: Wed, 20 Jan 2016 15:05:13 +0100 [thread overview]
Message-ID: <569F9419.4000601@redhat.com> (raw)
In-Reply-To: <569DEA3B.2040107@openvz.org>
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
next prev parent reply other threads:[~2016-01-20 14:05 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-24 9:33 [PATCH v1] kvm/x86: Hyper-V tsc page setup Andrey Smetanin
2015-12-24 9:33 ` [Qemu-devel] " Andrey Smetanin
2016-01-05 21:48 ` Peter Hornyack
2016-01-05 21:48 ` [Qemu-devel] " Peter Hornyack
2016-01-06 9:22 ` Andrey Smetanin
2016-01-06 9:22 ` [Qemu-devel] " Andrey Smetanin
2016-01-12 7:43 ` Andrey Smetanin
2016-01-12 7:43 ` [Qemu-devel] " Andrey Smetanin
2016-01-19 7:48 ` Denis V. Lunev
2016-01-19 7:48 ` [Qemu-devel] " Denis V. Lunev
2016-01-20 14:05 ` Paolo Bonzini [this message]
2016-01-20 14:05 ` Paolo Bonzini
2016-01-20 14:41 ` Andrey Smetanin
2016-01-20 14:41 ` [Qemu-devel] " Andrey Smetanin
2016-01-20 14:44 ` Denis V. Lunev
2016-01-20 14:44 ` [Qemu-devel] " Denis V. Lunev
2016-01-20 14:52 ` Roman Kagan
2016-01-20 14:52 ` [Qemu-devel] " Roman Kagan
2016-01-20 14:54 ` Denis V. Lunev
2016-01-20 14:54 ` [Qemu-devel] " Denis V. Lunev
2016-01-20 21:10 ` Paolo Bonzini
2016-01-20 21:10 ` [Qemu-devel] " Paolo Bonzini
2016-01-22 10:08 ` Paolo Bonzini
2016-01-22 10:08 ` [Qemu-devel] " Paolo Bonzini
2016-01-22 10:15 ` Andrey Smetanin
2016-01-22 10:15 ` [Qemu-devel] " Andrey Smetanin
2016-01-22 11:02 ` Paolo Bonzini
2016-01-22 11:02 ` [Qemu-devel] " Paolo Bonzini
2016-01-22 11:11 ` Andrey Smetanin
2016-01-22 11:11 ` [Qemu-devel] " Andrey Smetanin
2016-01-22 11:31 ` Andrey Smetanin
2016-01-22 11:31 ` [Qemu-devel] " Andrey Smetanin
2016-01-22 11:53 ` Paolo Bonzini
2016-01-22 11:53 ` [Qemu-devel] " Paolo Bonzini
2016-01-22 11:59 ` Andrey Smetanin
2016-01-22 11:59 ` [Qemu-devel] " Andrey Smetanin
2016-01-22 13:13 ` Andrey Smetanin
2016-01-22 13:13 ` [Qemu-devel] " Andrey Smetanin
2016-01-22 13:21 ` Paolo Bonzini
2016-01-22 13:21 ` [Qemu-devel] " Paolo Bonzini
2016-01-22 13:34 ` Andrey Smetanin
2016-01-22 13:34 ` [Qemu-devel] " Andrey Smetanin
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