Re: Wierd hack to sound/pci/intel8x0.c

On 11/6/11 6:51 PM, Avi Kivity wrote: The recently merged 228cf79376f1 (ALSA: intel8x0: Improve performance in virtual environment) is hacky and somewhat wrong. First, the detection code + if (inside_vm 0) { + /* detect KVM and Parallels virtual environments */ +

Re: Wierd hack to sound/pci/intel8x0.c

On 11/6/11 8:31 PM, Avi Kivity wrote: On 11/06/2011 06:15 PM, Denis V. Lunev wrote: On 11/6/11 6:51 PM, Avi Kivity wrote: The recently merged 228cf79376f1 (ALSA: intel8x0: Improve performance in virtual environment) is hacky and somewhat wrong. First, the detection code + if (inside_vm

Re: Wierd hack to sound/pci/intel8x0.c

On 11/6/11 8:47 PM, Takashi Iwai wrote: At Sun, 06 Nov 2011 18:31:42 +0200, Avi Kivity wrote: On 11/06/2011 06:15 PM, Denis V. Lunev wrote: On 11/6/11 6:51 PM, Avi Kivity wrote: The recently merged 228cf79376f1 (ALSA: intel8x0: Improve performance in virtual environment) is hacky and somewhat

Re: [Qemu-devel] [PATCH] kvm_irqchip_assign_irqfd: just set irqfd in case of kvm_irqfds_enabled()

On 26/12/14 13:00, Peter Maydell wrote: On 26 December 2014 at 08:05, Tiejun Chen tiejun.c...@intel.com wrote: We should avoid to set irqfd{} unconditionally. Signed-off-by: Tiejun Chen tiejun.c...@intel.com Is there a hot path that we use this on such that the difference in code order

Re: [PATCH 11/11] qemu/kvm: mark in cpu state that hyper-v crash occured

On 22/06/15 19:33, Andreas Färber wrote: Am 22.06.2015 um 18:27 schrieb Paolo Bonzini: On the other hand, I wonder if current_cpu is available in qemu_system_guest_panicked. If so, you could add the field to the generic CPUState struct and migrate it as a subsection of vmstate_cpu_common. Hm,

[PATCH 03/11] kvm: add hyper-v crash msrs constants

From: Andrey Smetanin asmeta...@virtuozzo.com Added Hyper-V crash msrs HV_X64_MSR_CRASH* constants. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org --- arch/x86/include

[PATCH 02/11] kvm: introduce vcpu_debug = kvm_debug + vcpu context

From: Andrey Smetanin asmeta...@virtuozzo.com vcpu_debug is a useful macro like kvm_debug and additionally includes vcpu context into output. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb

[PATCH 05/11] kvm: added KVM_REQ_HV_CRASH value to notify qemu about Hyper-V crash

From: Andrey Smetanin asmeta...@virtuozzo.com Added KVM_REQ_HV_CRASH - vcpu request used for notify user space(QEMU) about Hyper-v crash. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g

[PATCH 11/11] qemu/kvm: mark in cpu state that hyper-v crash occured

with crash msr's. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Andreas Färber afaer...@suse.de --- target-i386/cpu.h | 1 + target-i386/kvm.c | 1 + target-i386/machine.c | 1 + 3 files

[PATCH 09/11] kvm/x86: distingiush hyper-v guest crash notification

-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org --- arch/x86/kvm/hyperv.c | 17 + arch/x86/kvm/hyperv.h | 2 +- arch/x86/kvm/x86.c| 3 ++- 3 files changed, 12 insertions(+), 10 deletions(-) diff --git a/arch/x86/kvm/hyperv.c

[PATCH 08/11] kvm/x86: add sending hyper-v crash notification to user space

occures inside Hyper-V based guest. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org --- arch/x86/kvm/x86.c | 8 include/uapi/linux/kvm.h | 2 ++ 2 files changed

[PATCH 01/11] kvm/x86: move Hyper-V MSR's/hypercall code into hyperv.c file

. Copyrights and authors information copied from x86.c to hyperv.c. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org --- arch/x86/include/asm/kvm_host.h | 20 ++- arch/x86

[PATCH 07/11] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers

From: Andrey Smetanin asmeta...@virtuozzo.com Added hyper-v crash msr's(HV_X64_MSR_CRASH*) data and control geters and setters. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g

[PATCH 04/11] kvm/x86: added hyper-v crash msrs into kvm hyperv context

From: Andrey Smetanin asmeta...@virtuozzo.com Added kvm hyperv context hv crash variables as storage of hyper-v crash msrs. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org

[PATCH 10/11] qemu/kvm: kvm hyper-v based guest crash event handling

-P4, HV_X64_MSR_CRASH_CTL msrs. The idea is to provide functionality equal to pvpanic device without QEMU guest agent for Windows. The idea is borrowed from Linux HyperV bus driver and validated against Windows 2k12. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V

[PATCH 06/11] kvm/x86: mark hyper-v crash msrs as partition wide

From: Andrey Smetanin asmeta...@virtuozzo.com Hyper-V crash msr's a per VM, not per vcpu, so mark them as partition wide. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org

[PATCH v2 0/11] HyperV equivalent of pvpanic driver

structures * added saving crash msrs inside qemu cpu state * added qemu fetch and update of crash msrs * added qemu crash msrs store in cpu state and it's migration Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Gleb Natapov g...@kernel.org CC

Re: [PATCH 01/11] kvm/x86: move Hyper-V MSR's/hypercall code into hyperv.c file

On 22/06/15 19:04, Denis V. Lunev wrote: From: Andrey Smetanin asmeta...@virtuozzo.com This patch introduces Hyper-V related source code file - hyperv.c and per vm and per vcpu hyperv context structures. All Hyper-V MSR's and hypercall code moved into hyperv.c. All hyper-v kvm/vcpu fields moved

Re: [PATCH 07/11] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers

On 23/06/15 02:52, Peter Hornyack wrote: On Mon, Jun 22, 2015 at 9:05 AM, Denis V. Lunev d...@openvz.org wrote: From: Andrey Smetanin asmeta...@virtuozzo.com Added hyper-v crash msr's(HV_X64_MSR_CRASH*) data and control geters and setters. Signed-off-by: Andrey Smetanin asmeta

Re: [PATCH 07/11] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers

On 23/06/15 12:51, Paolo Bonzini wrote: On 23/06/2015 11:47, Denis V. Lunev wrote: The current implementation is potentially more flexible but makes the MSR handling a little more awkward since the host_initiated bool needs to be passed around (patch 09). I guess either approach seems ok to me

[PATCH 2/2] qemu/kvm: kvm guest crash event handling

functionality equal to pvpanic device without QEMU guest agent for Windows. The idea is borrowed from Linux HyperV bus driver and validated against Windows 2k12. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Gleb Natapov g...@kernel.org CC: Paolo

[PATCH 0/2] HyperV equivalent of pvpanic driver

is to provide functionality equal to pvpanic device without QEMU guest agent for Windows. The idea is borrowed from Linux HyperV bus driver and validated against Windows 2k12. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Gleb Natapov g...@kernel.org

[PATCH 1/2] kvm/x86: Hyper-V based guest crash data handling

crash dump by QEMU/LIBVIRT. The idea is to provide functionality equal to pvpanic device without QEMU guest agent for Windows. The idea is borrowed from Linux HyperV bus driver and validated against Windows 2k12. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d

Re: [PATCH 3/9] kvm: add hyper-v crash msrs values

On 01/07/15 18:00, Paolo Bonzini wrote: On 30/06/2015 13:33, Denis V. Lunev wrote: +#define HV_X64_MSR_CRASH_CTL_NOTIFY(1ULL 63) +#define HV_X64_MSR_CRASH_CTL_CONTENTS \ + (HV_X64_MSR_CRASH_CTL_NOTIFY) Why is HV_X64_MSR_CRASH_CTL_CONTENTS needed? Can I just remove

Re: [PATCH v3 0/9] HyperV equivalent of pvpanic driver

On 01/07/15 17:09, Paolo Bonzini wrote: On 30/06/2015 13:33, Denis V. Lunev wrote: Windows 2012 guests can notify hypervisor about occurred guest crash (Windows bugcheck(BSOD)) by writing specific Hyper-V msrs. This patch does handling of this MSR's by KVM and sending notification to user

[PATCH 3/12] kvm: add hyper-v crash msrs values

From: Andrey Smetanin asmeta...@virtuozzo.com Added Hyper-V crash msrs values - HV_X64_MSR_CRASH*. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini pbonz...@redhat.com CC

[PATCH 1/12] kvm/x86: move Hyper-V MSR's/hypercall code into hyperv.c file

. Copyrights and authors information copied from x86.c to hyperv.c. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org

[PATCH 5/12] kvm: added KVM_REQ_HV_CRASH value to notify qemu about hyper-v crash

From: Andrey Smetanin asmeta...@virtuozzo.com Added KVM_REQ_HV_CRASH - vcpu request used for notify user space(QEMU) about Hyper-V crash. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC

[PATCH 2/12] kvm: introduce vcpu_debug = kvm_debug + vcpu context

From: Andrey Smetanin asmeta...@virtuozzo.com vcpu_debug is useful macro like kvm_debug but additionally includes vcpu context inside output. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com

[PATCH 6/12] kvm/x86: mark hyper-v crash msrs as partition wide

From: Andrey Smetanin asmeta...@virtuozzo.com Hyper-V crash msr's are per vm, aren't per vcpu, so mark them as partition wide. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo

[PATCH v4 0/12] HyperV equivalent of pvpanic driver

per vm and per cpu hyperv context structures * added saving crash msrs inside qemu cpu state * added qemu fetch and update of crash msrs * added qemu crash msrs store in cpu state and it's migration Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org

[PATCH 4/12] kvm/x86: added hyper-v crash msrs into kvm hyperv context

From: Andrey Smetanin asmeta...@virtuozzo.com Added kvm Hyper-V context hv crash variables as storage of Hyper-V crash msrs. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini

[PATCH 7/12] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers

distingiush the moment of actual guest crash by checking host initiated value from msr info. Also patch prevents modification of crash ctl msr by guest. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny

[PATCH 01/12] kvm/x86: move Hyper-V MSR's/hypercall code into hyperv.c file

. Copyrights and authors information copied from x86.c to hyperv.c. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org

[PATCH 08/12] kvm/x86: add sending hyper-v crash notification to user space

-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org --- Documentation/virtual/kvm/api.txt | 5 + arch/x86/kvm/x86.c

[PATCH 07/12] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers

distingiush the moment of actual guest crash by checking host initiated value from msr info. Also patch prevents modification of crash ctl msr by guest. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny

[PATCH 12/12] qemu/kvm/x86: hyper-v crash msrs set/get'ers and migration

' option. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Andreas Färber afaer...@suse.de --- linux-headers/asm-x86/hyperv.h | 13 + linux-headers/linux/kvm.h | 1 + target-i386/cpu-qom.h

[PATCH v5 0/12] HyperV equivalent of pvpanic driver

store in cpu state and it's migration Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Gleb Natapov g...@kernel.org CC: Paolo Bonzini pbonz...@redhat.com -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message

[PATCH 02/12] kvm: introduce vcpu_debug = kvm_debug + vcpu context

From: Andrey Smetanin asmeta...@virtuozzo.com vcpu_debug is useful macro like kvm_debug but additionally includes vcpu context inside output. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com

[PATCH 8/12] kvm/x86: add sending hyper-v crash notification to user space

-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org --- Documentation/virtual/kvm/api.txt | 5 + arch/x86/kvm/x86.c

[PATCH 03/12] kvm: add hyper-v crash msrs values

From: Andrey Smetanin asmeta...@virtuozzo.com Added Hyper-V crash msrs values - HV_X64_MSR_CRASH*. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini pbonz...@redhat.com CC

[PATCH 06/12] kvm/x86: mark hyper-v crash msrs as partition wide

From: Andrey Smetanin asmeta...@virtuozzo.com Hyper-V crash msr's are per vm, aren't per vcpu, so mark them as partition wide. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo

[PATCH 09/12] qemu: added qemu_system_guest_panicked() - generic guest panic handler

From: Andrey Smetanin asmeta...@virtuozzo.com There are pieces of guest panic handling code that can be shared in one generic function. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Andreas Färber

[PATCH 11/12] qemu: add crash_occurred flag into CPUState

From: Andrey Smetanin asmeta...@virtuozzo.com CPUState-crash_occurred value inside CPUState marks that guest crash occurred. This value added into cpu common migration subsection. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo

[PATCH 10/12] qemu/kvm: added kvm system event crash handler

-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Andreas Färber afaer...@suse.de --- kvm-all.c | 4 linux-headers/linux/kvm.h | 1 + 2 files changed, 5 insertions(+) diff --git a/kvm-all.c b/kvm-all.c index 53e01d4..7a959b6 100644 --- a/kvm-all.c

[PATCH 04/12] kvm/x86: added hyper-v crash msrs into kvm hyperv context

From: Andrey Smetanin asmeta...@virtuozzo.com Added kvm Hyper-V context hv crash variables as storage of Hyper-V crash msrs. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini

[PATCH 05/12] kvm: added KVM_REQ_HV_CRASH value to notify qemu about hyper-v crash

From: Andrey Smetanin asmeta...@virtuozzo.com Added KVM_REQ_HV_CRASH - vcpu request used for notify user space(QEMU) about Hyper-V crash. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC

[PATCH 5/12] kvm: added KVM_REQ_HV_CRASH value to notify qemu about hyper-v crash

From: Andrey Smetanin asmeta...@virtuozzo.com Added KVM_REQ_HV_CRASH - vcpu request used for notify user space(QEMU) about Hyper-V crash. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC

[PATCH v6 0/12] HyperV equivalent of pvpanic driver

...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Gleb Natapov g...@kernel.org CC: Paolo Bonzini pbonz...@redhat.com -- To unsubscribe from this list: send the line unsubscribe kvm in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo

[PATCH 1/12] kvm/x86: move Hyper-V MSR's/hypercall code into hyperv.c file

. Copyrights and authors information copied from x86.c to hyperv.c. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org

[PATCH 10/12] kvm: Add kvm system event crash handler

asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Andreas Färber afaer...@suse.de --- kvm-all.c | 4 linux-headers/linux/kvm.h | 1 + 2 files changed, 5 insertions(+) diff --git a/kvm-all.c b/kvm-all.c index 53e01d4

[PATCH 3/12] kvm: add hyper-v crash msrs values

From: Andrey Smetanin asmeta...@virtuozzo.com Added Hyper-V crash msrs values - HV_X64_MSR_CRASH*. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini pbonz...@redhat.com CC

[PATCH 09/12] Added generic panic handler qemu_system_guest_panicked()

From: Andrey Smetanin asmeta...@virtuozzo.com There are pieces of guest panic handling code that can be shared in one generic function. These code replaced by call qemu_system_guest_panicked(). Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org

[PATCH 12/12] i386/kvm: Hyper-v crash msrs set/get'ers and migration

' option. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Andreas Färber afaer...@suse.de --- linux-headers/asm-x86/hyperv.h | 13 + target-i386/cpu-qom.h | 1 + target-i386/cpu.c

[PATCH 4/12] kvm/x86: added hyper-v crash msrs into kvm hyperv context

From: Andrey Smetanin asmeta...@virtuozzo.com Added kvm Hyper-V context hv crash variables as storage of Hyper-V crash msrs. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini

[PATCH 11/12] cpu: Add crash_occurred flag into CPUState

From: Andrey Smetanin asmeta...@virtuozzo.com CPUState::crash_occurred field inside CPUState marks that guest crash occurred. This value is added into cpu common migration subsection. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo

[PATCH 6/12] kvm/x86: mark hyper-v crash msrs as partition wide

From: Andrey Smetanin asmeta...@virtuozzo.com Hyper-V crash msr's are per vm, aren't per vcpu, so mark them as partition wide. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo

[PATCH 2/12] kvm: introduce vcpu_debug = kvm_debug + vcpu context

From: Andrey Smetanin asmeta...@virtuozzo.com vcpu_debug is useful macro like kvm_debug but additionally includes vcpu context inside output. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com

[PATCH 7/12] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers

distingiush the moment of actual guest crash by checking host initiated value from msr info. Also patch prevents modification of crash ctl msr by guest. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny

[PATCH 8/12] kvm/x86: add sending hyper-v crash notification to user space

-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org Reviewed-by: Peter Hornyack peterhorny...@google.com CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org --- Documentation/virtual/kvm/api.txt | 5 + arch/x86/kvm/x86.c

Re: [Qemu-devel] [PATCH v3 0/9] HyperV equivalent of pvpanic driver

On 30/06/15 15:26, Daniel P. Berrange wrote: On Tue, Jun 30, 2015 at 02:33:18PM +0300, Denis V. Lunev wrote: Windows 2012 guests can notify hypervisor about occurred guest crash (Windows bugcheck(BSOD)) by writing specific Hyper-V msrs. This patch does handling of this MSR's by KVM and sending

Re: [PATCH 7/12] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers

On 08/18/2015 05:41 PM, Wanpeng Li wrote: On 7/3/15 8:01 PM, Denis V. Lunev wrote: From: Andrey Smetanin asmeta...@virtuozzo.com Added hyper-v crash msr's(HV_X64_MSR_CRASH*) data and control geters and setters. Userspace should check that such msr's available by check

[PATCH v3 0/9] HyperV equivalent of pvpanic driver

* added per vm and per cpu hyperv context structures * added saving crash msrs inside qemu cpu state * added qemu fetch and update of crash msrs * added qemu crash msrs store in cpu state and it's migration Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d

[PATCH 3/9] kvm: add hyper-v crash msrs values

From: Andrey Smetanin asmeta...@virtuozzo.com Added Hyper-V crash msrs values - HV_X64_MSR_CRASH*. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org --- arch/x86/include

[PATCH 8/9] kvm/x86: add sending hyper-v crash notification to user space

inside Hyper-V based guest. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org --- arch/x86/kvm/x86.c | 8 include/uapi/linux/kvm.h | 2 ++ 2 files changed, 10

[PATCH 7/9] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers

patch prevents modification of crash ctl msr by guest. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org --- arch/x86/kvm/hyperv.c | 74

[PATCH 4/9] kvm/x86: added hyper-v crash msrs into kvm hyperv context

From: Andrey Smetanin asmeta...@virtuozzo.com Added kvm Hyper-V context hv crash variables as storage of Hyper-V crash msrs. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org

[PATCH 9/9] qemu/kvm: kvm hyper-v based guest crash event handling

that crash happened because ctl msr always contains the same value HV_X64_MSR_CRASH_CTL_NOTIFY. To solve it add a particular value - hv_crash_occurred inside CPU state and migrate this value with crash msr's. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d

[PATCH 6/9] kvm/x86: mark hyper-v crash msrs as partition wide

From: Andrey Smetanin asmeta...@virtuozzo.com Hyper-V crash msr's are per vm, aren't per vcpu, so mark them as partition wide. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g

[PATCH 1/9] kvm/x86: move Hyper-V MSR's/hypercall code into hyperv.c file

. Copyrights and authors information copied from x86.c to hyperv.c. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g...@kernel.org --- arch/x86/include/asm/kvm_host.h | 20 ++- arch/x86/kvm

[PATCH 2/9] kvm: introduce vcpu_debug = kvm_debug + vcpu context

From: Andrey Smetanin asmeta...@virtuozzo.com vcpu_debug is useful macro like kvm_debug but additionally includes vcpu context inside output. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb

[PATCH 5/9] kvm: added KVM_REQ_HV_CRASH value to notify qemu about hyper-v crash

From: Andrey Smetanin asmeta...@virtuozzo.com Added KVM_REQ_HV_CRASH - vcpu request used for notify user space(QEMU) about Hyper-V crash. Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com Signed-off-by: Denis V. Lunev d...@openvz.org CC: Paolo Bonzini pbonz...@redhat.com CC: Gleb Natapov g

Re: [PATCH v6 0/12] HyperV equivalent of pvpanic driver

On 08/12/2015 03:47 PM, Paolo Bonzini wrote: On 12/08/2015 13:54, Denis V. Lunev wrote: guys? we are going to move forward with other HyperV bits. Wait a second, 2.4 was released only a few hours ago... Paolo sure :) -- To unsubscribe from this list: send the line unsubscribe kvm

Re: [PATCH v3 9/9] kvm/x86: Hyper-V kvm exit

On 10/22/2015 07:34 PM, Paolo Bonzini wrote: On 22/10/2015 18:10, Andrey Smetanin wrote: A new vcpu exit is introduced to notify the userspace of the changes in Hyper-V SynIC configuration triggered by guest writing to the corresponding MSRs. Changes v3: * added KVM_EXIT_HYPERV types and

Re: [Qemu-devel] [PATCH 3/7] linux-headers/kvm: add Hyper-V SynIC irq routing type and struct

On 10/26/2015 01:03 PM, Peter Maydell wrote: On 26 October 2015 at 09:50, Andrey Smetanin <asmeta...@virtuozzo.com> wrote: Signed-off-by: Andrey Smetanin <asmeta...@virtuozzo.com> Reviewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Denis V. Lunev <d...@o

Re: [kvm-unit-tests PATCH] x86: hyperv_synic: Hyper-V SynIC test

; Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Vitaly Kuznetsov <vkuzn...@redhat.com> CC: "K. Y. Srinivasan" <k...@microsoft.com> CC: Gleb Natapov <g...@kernel.org> CC: Paolo Bonzini <pbonz...@redhat.com> CC: Roman Kagan <rka...@virtuozzo.com> CC: Den

[PATCH 8/9] kvm/x86: Hyper-V synthetic interrupt controller

GSI is allocated for each configured SINT, and irq_routing api is extended to support GSI-SINT mapping. Signed-off-by: Andrey Smetanin <asmeta...@virtuozzo.com> Reviewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Vitaly Kuznetsov <vkuzn

[PATCH 2/9] kvm/eventfd: factor out kvm_notify_acked_gsi()

gt; Reviewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Vitaly Kuznetsov <vkuzn...@redhat.com> CC: "K. Y. Srinivasan" <k...@microsoft.com> CC: Gleb Natapov <g...@kernel.org> CC: Paolo Bonzini <pbonz...@redhat.com>

[PATCH 1/9] kvm/eventfd: avoid loop inside irqfd_update()

tuozzo.com> Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Vitaly Kuznetsov <vkuzn...@redhat.com> CC: "K. Y. Srinivasan" <k...@microsoft.com> CC: Gleb Natapov <g...@kernel.org> CC: Paolo Bonzini <pbonz...@redhat.com> --- virt/kvm/eventfd.c | 13 +--

[PATCH 3/9] kvm/eventfd: add arch-specific set_irq

eturns -EWOULDBLOCK. Signed-off-by: Andrey Smetanin <asmeta...@virtuozzo.com> Reviewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Vitaly Kuznetsov <vkuzn...@redhat.com> CC: "K. Y. Srinivasan" <k...@microsoft.com> CC: Gl

[PATCH 9/9] kvm/x86: Hyper-V kvm exit

n Kagan <rka...@virtiozzo.com> Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Vitaly Kuznetsov <vkuzn...@redhat.com> CC: "K. Y. Srinivasan" <k...@microsoft.com> CC: Gleb Natapov <g...@kernel.org> CC: Paolo Bonzini <pbonz...@redhat.com> --- Documenta

[PATCH v2 0/9] Hyper-V synthetic interrupt controller

st writing to the corresponding MSRs. Signed-off-by: Andrey Smetanin <asmeta...@virtuozzo.com> Reviewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Vitaly Kuznetsov <vkuzn...@redhat.com> CC: "K. Y. Srinivasan" <k...@micro

[PATCH 4/9] kvm/irqchip: allow only multiple irqchip routes per GSI

From: Andrey Smetanin <asmeta...@virtuozzo.com> Any other irq routing types (MSI, S390_ADAPTER, upcoming Hyper-V SynIC) map one-to-one to GSI. Signed-off-by: Andrey Smetanin <asmeta...@virtuozzo.com> Reviewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Denis V. Lune

[PATCH 7/9] kvm/x86: split ioapic-handled and EOI exit bitmaps

zzo.com> Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Vitaly Kuznetsov <vkuzn...@redhat.com> CC: "K. Y. Srinivasan" <k...@microsoft.com> CC: Gleb Natapov <g...@kernel.org> CC: Paolo Bonzini <pbonz...@redhat.com> --- arch/x86/include/asm/kvm_host.h

[PATCH 5/9] kvm/irqchip: kvm_arch_irq_routing_update renaming split

which will be used to update mappings for arch-specific irq routing entries (in particular, the upcoming Hyper-V synthetic interrupts). Signed-off-by: Andrey Smetanin <asmeta...@virtuozzo.com> Reviewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Denis V. Lunev <d...@o

[PATCH 6/9] drivers/hv: share Hyper-V SynIC constants with userspace

gt; Reviewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Vitaly Kuznetsov <vkuzn...@redhat.com> CC: "K. Y. Srinivasan" <k...@microsoft.com> CC: Gleb Natapov <g...@kernel.org> CC: Paolo Bonzini <pbonz...@r

[PATCH 3/3] kvm/x86: Hyper-V HV_X64_MSR_VP_RUNTIME support

ime is performed by task_cputime_adjusted() for vcpu task. Necessary to support loading of winhv.sys in guest, which in turn is required to support Windows VMBus. Signed-off-by: Andrey Smetanin <asmeta...@virtuozzo.com> Reviewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Den

[PATCH 0/3] KVM: ecessary simple pre-requisites for VMBus emulation

viewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Paolo Bonzini <pbonz...@redhat.com> CC: Gleb Natapov <g...@kernel.org> Andrey Smetanin (3): kvm/x86: Hyper-V HV_X64_MSR_RESET msr kvm/x86: Hyper-V HV_X64_MSR_VP_INDEX expor

[PATCH 1/3] kvm/x86: Hyper-V HV_X64_MSR_RESET msr

lt;asmeta...@virtuozzo.com> Reviewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Paolo Bonzini <pbonz...@redhat.com> CC: Gleb Natapov <g...@kernel.org> --- arch/x86/include/uapi/asm/hyperv.h | 3 +++ arch/x86/kvm/hyperv.c

[PATCH 2/3] kvm/x86: Hyper-V HV_X64_MSR_VP_INDEX export for QEMU.

which in turn is required to support Windows VMBus. Signed-off-by: Andrey Smetanin <asmeta...@virtuozzo.com> Reviewed-by: Roman Kagan <rka...@virtuozzo.com> Signed-off-by: Denis V. Lunev <d...@openvz.org> CC: Paolo Bonzini <pbonz...@redhat.com> CC: Gleb Natapov <g...@kernel

Re: [kvm:queue 27/38] arch/x86/kvm/hyperv.c:186:41: sparse: incorrect type in argument 2 (different modifiers)

On 09/18/2015 04:55 PM, Paolo Bonzini wrote: On 18/09/2015 15:51, Denis V. Lunev wrote: 185 > 186task_cputime_adjusted(current, , ); 187return div_u64(cputime_to_nsecs(utime + stime), 100); 188} 189 190static int kvm_hv_set_msr(str

Re: [kvm:queue 27/38] arch/x86/kvm/hyperv.c:186:41: sparse: incorrect type in argument 2 (different modifiers)

On 09/18/2015 04:39 PM, kbuild test robot wrote: tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue head: ed393e4134de0dd02d8ba98ca8ce3ae65d1eb567 commit: 46f4c309534b10ca1026273abe38955d3cff4023 [27/38] kvm/x86: Hyper-V HV_X64_MSR_VP_RUNTIME support reproduce: # apt-get install

Re: [PATCH v2 1/9] drivers/hv: replace enum hv_message_type by u32

On 12/02/2015 03:22 PM, Paolo Bonzini wrote: On 30/11/2015 17:22, Andrey Smetanin wrote: enum hv_message_type inside struct hv_message, hv_post_message is not size portable. Replace enum by u32. It's only non-portable inside structs. Okay to apply just these: @@ -172,7 +174,7 @@ union

Re: [PATCH v2 1/9] drivers/hv: replace enum hv_message_type by u32

On 12/04/2015 05:41 PM, Paolo Bonzini wrote: On 04/12/2015 15:33, Denis V. Lunev wrote: On 12/02/2015 03:22 PM, Paolo Bonzini wrote: On 30/11/2015 17:22, Andrey Smetanin wrote: enum hv_message_type inside struct hv_message, hv_post_message is not size portable. Replace enum by u32. It's

Re: [PATCH v2 1/9] drivers/hv: replace enum hv_message_type by u32

On 12/04/2015 08:38 PM, Paolo Bonzini wrote: On 04/12/2015 17:55, Denis V. Lunev wrote: On 12/04/2015 05:41 PM, Paolo Bonzini wrote: On 04/12/2015 15:33, Denis V. Lunev wrote: On 12/02/2015 03:22 PM, Paolo Bonzini wrote: On 30/11/2015 17:22, Andrey Smetanin wrote: enum hv_message_type

Re: [PATCH v2 0/3] KVM-UNIT-TESTS: Hyper-V SynIC timers test

gt; CC: Roman Kagan <rka...@virtuozzo.com> CC: Denis V. Lunev <d...@openvz.org> CC: qemu-de...@nongnu.org Andrey Smetanin (3): lib/x86: Make free_page() available to call x86/hyperv: Move Hyper-V generic code into hyperv.h/hyperv.c x86: Hyper-V SynIC timers test config/conf

Re: [PATCH v2 0/3] KVM-UNIT-TESTS: Hyper-V SynIC timers test

On 12/17/2015 05:55 PM, Paolo Bonzini wrote: On 16/12/2015 19:51, Denis V. Lunev wrote: On 12/08/2015 07:36 PM, Andrey Smetanin wrote: The test checks Hyper-V SynIC timers functionality. The test runs on every vCPU and performs start/stop of periodic/one-shot timers (with period=1ms

Re: [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit

On 12/18/2015 06:19 PM, Pavel Fedin wrote: Hello! I realize that it's perhaps too late, because patches are already on Linux-next, but i have one concern... May be it's not too late... I dislike implementing architecture-dependent exit code where we could implement an

Re: [PATCH v1 0/7] KVM: Hyper-V SynIC timers

On 12/01/2015 01:12 PM, Wanpeng Li wrote: 2015-11-26 16:34 GMT+08:00 Andrey Smetanin : On 11/26/2015 08:28 AM, Wanpeng Li wrote: 2015-11-25 23:20 GMT+08:00 Andrey Smetanin : Per Hyper-V specification (and as required by Hyper-V-aware guests),