On 07/02/2015 02:17 PM, Michael S. Tsirkin wrote:
On Wed, Jul 01, 2015 at 10:50:16PM +0800, Xiao Guangrong wrote:
hw/acpi/aml-build.c | 32 +-
hw/i386/acpi-build.c|9 +-
hw/i386/acpi-dsdt.dsl |2 +-
hw/i386/pc.c| 11 +-
On Wed, Jul 01, 2015 at 12:02:50PM -0700, Linus Torvalds wrote:
On Wed, Jul 1, 2015 at 2:31 AM, Michael S. Tsirkin m...@redhat.com wrote:
virtio/vhost: cross endian support
Ugh. Does this really have to be dynamic?
Can't virtio do the sane thing, and just use a _fixed_ endianness?
Hello!
-Original Message-
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
Of Eric Auger
Sent: Monday, June 29, 2015 6:37 PM
To: eric.au...@st.com; eric.au...@linaro.org;
linux-arm-ker...@lists.infradead.org;
marc.zyng...@arm.com;
On Wed, Jul 01, 2015 at 12:03:59PM -0700, Linus Torvalds wrote:
On Wed, Jul 1, 2015 at 12:02 PM, Linus Torvalds
torva...@linux-foundation.org wrote:
Doing a unconditional byte swap is faster and simpler than the crazy
conditionals.
Unconditional endianness not only makes for simpler and
Hello!
-Original Message-
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
Of Eric Auger
Sent: Monday, June 29, 2015 6:37 PM
To: eric.au...@st.com; eric.au...@linaro.org;
linux-arm-ker...@lists.infradead.org;
marc.zyng...@arm.com;
On Wed, Jul 01, 2015 at 10:50:16PM +0800, Xiao Guangrong wrote:
hw/acpi/aml-build.c | 32 +-
hw/i386/acpi-build.c|9 +-
hw/i386/acpi-dsdt.dsl |2 +-
hw/i386/pc.c| 11 +-
hw/mem/Makefile.objs|1 +
hw/mem/pc-nvdimm.c |
On Thu, 2 Jul 2015 08:01:28 +0200
Michael S. Tsirkin m...@redhat.com wrote:
On Wed, Jul 01, 2015 at 12:02:50PM -0700, Linus Torvalds wrote:
On Wed, Jul 1, 2015 at 2:31 AM, Michael S. Tsirkin m...@redhat.com wrote:
virtio/vhost: cross endian support
Ugh. Does this really have to be
Am 01.07.2015 um 17:15 schrieb Cornelia Huck:
The s390-specific virtio drivers have probably more to do with virtio
than with kvm today; let's move them out into a separate section to
reflect this and to be able to add relevant mailing lists.
CC: Christian Borntraeger borntrae...@de.ibm.com
As ARM (and no doubt other systems) can also run tests in pure TCG mode
we might as well not bother enabling accel=kvm if we aren't on a real
ARM based system. This prevents us seeing ugly warning messages when
testing TCG.
Signed-off-by: Alex Bennée alex.ben...@linaro.org
---
arm/run | 8
On Wed, Jul 01, 2015 at 11:07:08AM +0200, Igor Mammedov wrote:
changes since v2:
* drop cache patches for now as suggested
* add max_mem_regions module parameter instead of unconditionally
increasing limit
* drop bsearch patch since it's already queued
I get non-trivial conflicts
On Wed, Jul 01, 2015 at 10:50:30PM +0800, Xiao Guangrong wrote:
+static uint32_t dsm_cmd_config_size(struct dsm_buffer *in, struct dsm_out
*out)
+{
+GSList *list = get_nvdimm_built_list();
+PCNVDIMMDevice *nvdimm = get_nvdimm_device_by_handle(list, in-handle);
+uint32_t status =
On Thu, Jul 02, 2015 at 09:31:23AM +0100, Stefan Hajnoczi wrote:
On Thu, Jul 02, 2015 at 02:34:05PM +0800, Xiao Guangrong wrote:
On 07/02/2015 02:17 PM, Michael S. Tsirkin wrote:
On Wed, Jul 01, 2015 at 10:50:16PM +0800, Xiao Guangrong wrote:
hw/acpi/aml-build.c | 32 +-
Hello!
What if we use KVM_MSI_VALID_DEVID flag instead of new
KVM_IRQ_ROUTING_EXTENDED_MSI
definition? I
believe this would make an API more consistent and introduce less new
definitions.
I have just found one more flaw in your implementation. If you take a look at
irqfd_wakeup()...
On Thu, Jul 02, 2015 at 11:12:56AM +0200, Greg Kurz wrote:
On Thu, 2 Jul 2015 08:01:28 +0200
Michael S. Tsirkin m...@redhat.com wrote:
On Wed, Jul 01, 2015 at 12:02:50PM -0700, Linus Torvalds wrote:
On Wed, Jul 1, 2015 at 2:31 AM, Michael S. Tsirkin m...@redhat.com
wrote:
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On 02/07/2015 11:20, Stefan Hajnoczi wrote:
Currently, the NVDIMM driver has been merged into upstream Linux Kernel and
this patchset tries to enable it in virtualization field
From a device model perspective, have you checked whether it makes sense
to integrate nvdimms into the pc-dimm
On Thu, Jul 02, 2015 at 02:34:05PM +0800, Xiao Guangrong wrote:
On 07/02/2015 02:17 PM, Michael S. Tsirkin wrote:
On Wed, Jul 01, 2015 at 10:50:16PM +0800, Xiao Guangrong wrote:
hw/acpi/aml-build.c | 32 +-
hw/i386/acpi-build.c|9 +-
hw/i386/acpi-dsdt.dsl |
Hi Alex,
On Wed, Jul 01, 2015 at 07:29:01PM +0100, Alex Bennée wrote:
This adds support for userspace to control the HW debug registers for
guest debug. In the debug ioctl we copy an IMPDEF registers into a new
register set called host_debug_state.
We use the recently introduced vcpu
This builds on the ability to run more than one vcore on a physical
core by using the micro-threading (split-core) modes of the POWER8
chip. Previously, only vcores from the same VM could be run together,
and (on POWER8) only if they had just one thread per core. With the
ability to split the
This builds on the ability to run more than one vcore on a physical
core by using the micro-threading (split-core) modes of the POWER8
chip. Previously, only vcores from the same VM could be run together,
and (on POWER8) only if they had just one thread per core. With the
ability to split the
On Wed, Jul 01, 2015 at 10:50:16PM +0800, Xiao Guangrong wrote:
== Background ==
NVDIMM (A Non-Volatile Dual In-line Memory Module) is going to be supported
on Intel's platform. They are discovered via ACPI and configured by _DSM
method of NVDIMM device in ACPI. There has some
Signed-off-by: Eric Auger eric.au...@linaro.org
---
v6: creation
---
drivers/vfio/pci/vfio_pci.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 964ad57..1e48125 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++
On 02/07/2015 15:17, Eric Auger wrote:
This patch adds the registration/unregistration of an
irq_bypass_consumer on irqfd assignment/deassignment.
Signed-off-by: Eric Auger eric.au...@linaro.org
---
virt/kvm/eventfd.c | 22 +++---
1 file changed, 19 insertions(+), 3
On Thu, Jul 02, 2015 at 03:45:17PM +0200, Paolo Bonzini wrote:
On 02/07/2015 13:51, Andrew Jones wrote:
4) I recently mentioned[*] it might be nice to add a '-force-tcg' type
of arm/run command line option, allowing tcg to be used even if
it's possible to use kvm. Adding that at
On 07/02/2015 03:42 PM, Paolo Bonzini wrote:
On 02/07/2015 15:17, Eric Auger wrote:
This patch adds the registration/unregistration of an
irq_bypass_consumer on irqfd assignment/deassignment.
Signed-off-by: Eric Auger eric.au...@linaro.org
---
virt/kvm/eventfd.c | 22
On Thu, Jul 02, 2015 at 02:17:18PM +0100, Alex Bennée wrote:
Andrew Jones drjo...@redhat.com writes:
On Thu, Jul 02, 2015 at 12:05:31PM +0100, Alex Bennée wrote:
As ARM (and no doubt other systems) can also run tests in pure TCG mode
we might as well not bother enabling accel=kvm if we
On 02/07/2015 15:19, Andrey Smetanin wrote:
+if (has_msr_hv_crash) {
+env-msr_hv_crash_ctl = HV_X64_MSR_CRASH_CTL_NOTIFY;
The value is always host-defined, so I think it doesn't need a field in
CPUX86State. On the other hand, this:
Kernel just works with that
This patch adds the registration/unregistration of an
irq_bypass_consumer on irqfd assignment/deassignment.
Signed-off-by: Eric Auger eric.au...@linaro.org
---
virt/kvm/eventfd.c | 22 +++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/virt/kvm/eventfd.c
On Wed, 2015-07-01 at 17:07 +0200, Paolo Bonzini wrote:
On 30/06/2015 13:33, Denis V. Lunev wrote:
+static int kvm_arch_handle_hv_crash(CPUState *cs)
+{
+X86CPU *cpu = X86_CPU(cs);
+CPUX86State *env = cpu-env;
+
+/* Mark that Hyper-v guest crash occurred */
+
- kvm_arch_add_producer: perform VGIC/irqchip settings for forwarding
- kvm_arch_del_producer: same for inverse operation
- kvm_arch_stop_consumer: halt guest execution
- kvm_arch_resume_consumer resume guest execution
Signed-off-by: Eric Auger eric.au...@linaro.org
---
arch/arm/kvm/arm.c | 22
it became possible to use a bigger amount of memory
slots, which is used by memory hotplug for
registering hotplugged memory.
However QEMU crashes if it's used with more than ~60
pc-dimm devices and vhost-net enabled since host kernel
in module vhost-net refuses to accept more than 64
memory
with large number of memory regions we could end up with
high order allocations and kmalloc could fail if
host is under memory pressure.
Considering that memory regions array is used on hot path
try harder to allocate using kmalloc and if it fails resort
to vmalloc.
It's still better than just
This patch adds irq_bypass_producer registration/unregistration.
VFIO producer callbacks are populated:
- stop/resume producer simply consist in disabling/enabling the host irq
- add/del consumer: basically set the automasked flag to false/true
The vfio_platform_device pointer is passed as
Select IRQ_BYPASS_MANAGER when CONFIG_VFIO_PLATFORM is set
Signed-off-by: Eric Auger eric.au...@linaro.org
---
drivers/vfio/platform/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/vfio/platform/Kconfig b/drivers/vfio/platform/Kconfig
index bb30128..c2f3dce 100644
---
Implements kvm_vgic_[set|unset]_forward.
Handle low-level VGIC programming: physical IRQ/guest IRQ mapping,
list register cleanup, VGIC state machine. Also interacts with
the irqchip.
Signed-off-by: Eric Auger eric.au...@linaro.org
---
bypass rfc:
- rename kvm_arch_{set|unset}_forward into
This patch introduces
- kvm_arch_add_producer
- kvm_arch_del_producer
- kvm_arch_stop_consumer
- kvm_arch_resume_consumer
They make possible to specialize the KVM IRQ bypass consumer.
Signed-off-by: Eric Auger eric.au...@linaro.org
---
include/linux/kvm_host.h | 27 +++
The kvm_vcpu_arch pause field is renamed into power_off to prepare
for the introduction of a new pause field.
Signed-off-by: Eric Auger eric.au...@linaro.org
v4 - v5:
- fix compilation issue on arm64 (add power_off field in kvm_host.h)
---
arch/arm/include/asm/kvm_host.h | 4 ++--
Introduces 3 new external functions aimed at doing actions
on VFIO devices:
- mask VFIO IRQ
- get the active status of VFIO IRQ (active at interrupt
controller level or masked by the level-sensitive automasking).
- change the automasked property and switch the IRQ handler
(between automasked/
Select IRQ_BYPASS_MANAGER when CONFIG_KVM is set
Signed-off-by: Eric Auger eric.au...@linaro.org
---
arch/arm/kvm/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
index bfb915d..7d38d25 100644
--- a/arch/arm/kvm/Kconfig
+++
- [add,del]_[consumer,producer] updated to takes both the consumer and
producer handles. This is requested to combine info from both,
typically to link the source irq owned by the producer with the gsi
owned by the consumer (forwarded IRQ setup).
- new functions are added:
This series allows to set ARM IRQ forwarding between a VFIO platform
device physical IRQ and a guest virtual IRQ.
The setting is coordinated by the prototype IRQ bypass manager.
This kernel integration seems now prefered to previous kvm-vfio device
user api:
- [RFC v6 00/16] KVM-VFIO IRQ forward
From: Alex Williamson alex.william...@redhat.com
There are plenty of details to be filled in, but I think the basics
looks something like the code below. The IRQ bypass manager just
defines a pair of structures, one for interrupt producers and one for
interrupt consumers. I'm certain that we'll
A single handler now is registered whatever the use case: automasked
or not. A function pointer is set according to the wished behavior
and the handler calls this function.
The irq lock is taken/released in the root handler. eventfd_signal can
be called in regions not allowed to sleep.
On halt, the guest is forced to exit and prevented from being
re-entered. This is synchronous.
Those two operations will be needed for IRQ forwarding setting.
Signed-off-by: Eric Auger eric.au...@linaro.org
---
RFC:
- rename the function and this latter becomes static
- remove
But you are very appositely mistaken: copy_huge_page() used to make
the same mistake, and Dave Hansen fixed it back in v3.13, but the fix
never went to the stable trees.
commit 30b0a105d9f7141e4cbf72ae5511832457d89788
Author: Dave Hansen dave.han...@linux.intel.com
Date: Thu Nov 21
This patch adds the implementation for the 3 external callbacks of
vfio_device_external_ops struct, namely active, is_active,
set_automasked. Also vfio_device_ops and vfio_device_external_ops are
set accordingly.
Signed-off-by: Eric Auger eric.au...@linaro.org
---
v6: creation
---
New bus callbacks are introduced. They correspond to external
functions. To avoid messing up the main vfio_device_ops
struct, a new vfio_device_external_ops struct is introduced.
Signed-off-by: Eric Auger eric.au...@linaro.org
---
v6: creation
---
include/linux/vfio.h | 18 ++
On 02/07/2015 13:51, Andrew Jones wrote:
4) I recently mentioned[*] it might be nice to add a '-force-tcg' type
of arm/run command line option, allowing tcg to be used even if
it's possible to use kvm. Adding that at the same time would be
nice.
Can you just use --no-kvm? It is
In case the IRQ is forwarded, the VFIO platform IRQ handler does not
need to disable the IRQ anymore.
When setting the IRQ handler we now also test the forwarded state. In
case the IRQ is forwarded we select the vfio_irq_handler.
Signed-off-by: Eric Auger eric.au...@linaro.org
---
v3 - v4:
-
On 02/07/2015 15:17, Eric Auger wrote:
+#ifdef CONFIG_IRQ_BYPASS_MANAGER
Please use a separate symbol CONFIG_KVM_HAVE_IRQ_BYPASS.
+void kvm_arch_add_producer(struct irq_bypass_consumer *,
+struct irq_bypass_producer *);
add_irq_bypass_producer, and so on below.
On Thu, Jul 02, 2015 at 12:05:31PM +0100, Alex Bennée wrote:
As ARM (and no doubt other systems) can also run tests in pure TCG mode
we might as well not bother enabling accel=kvm if we aren't on a real
ARM based system. This prevents us seeing ugly warning messages when
testing TCG.
First,
changes since v3:
* rebased on top of vhost-next branch
changes since v2:
* drop cache patches for now as suggested
* add max_mem_regions module parameter instead of unconditionally
increasing limit
* drop bsearch patch since it's already queued
References to previous versions:
v2:
Andrew Jones drjo...@redhat.com writes:
On Thu, Jul 02, 2015 at 12:05:31PM +0100, Alex Bennée wrote:
As ARM (and no doubt other systems) can also run tests in pure TCG mode
we might as well not bother enabling accel=kvm if we aren't on a real
ARM based system. This prevents us seeing ugly
On 02/07/2015 15:17, Eric Auger wrote:
- new fields are added on producer side: linux irq, vfio_device handle,
active which reflects whether the source is active (at interrupt
controller level or at VFIO level - automasked -) and finally an
opaque pointer which will be used to point to
Will Deacon will.dea...@arm.com writes:
Are you happy with this?:
Subject: [PATCH v8 09/11] KVM: arm64: guest debug, HW assisted debug support
This adds support for userspace to control the HW debug registers for
guest debug. In the debug ioctl we copy an IMPDEF registers into a new
register
Hi Pavel,
On 07/02/2015 09:53 AM, Pavel Fedin wrote:
Hello!
-Original Message-
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
Of Eric Auger
Sent: Monday, June 29, 2015 6:37 PM
To: eric.au...@st.com; eric.au...@linaro.org;
Hi Eric,
On 02/07/15 15:49, Eric Auger wrote:
Hi Pavel,
On 07/02/2015 09:26 AM, Pavel Fedin wrote:
Hello!
-Original Message-
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On
Behalf Of Eric Auger
Sent: Monday, June 29, 2015 6:37 PM
To: eric.au...@st.com;
Hi Andre,
On 07/02/2015 05:14 PM, Andre Przywara wrote:
Hi Eric,
On 02/07/15 15:49, Eric Auger wrote:
Hi Pavel,
On 07/02/2015 09:26 AM, Pavel Fedin wrote:
Hello!
-Original Message-
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On
Behalf Of Eric Auger
On 07/02/2015 05:39 PM, Pavel Fedin wrote:
Hello!
OK thanks for sharing. I need some more time to study qemu code too.
I am currently working on supporting this in qemu. Not ready yet, need some
time. But, with API i
suggest, things are really much-much simpler.
OK so both of you say
Hi Pavel,
On 07/02/2015 09:26 AM, Pavel Fedin wrote:
Hello!
-Original Message-
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
Of Eric Auger
Sent: Monday, June 29, 2015 6:37 PM
To: eric.au...@st.com; eric.au...@linaro.org;
On 07/02/2015 10:41 AM, Pavel Fedin wrote:
Hello!
What if we use KVM_MSI_VALID_DEVID flag instead of new
KVM_IRQ_ROUTING_EXTENDED_MSI
definition? I
believe this would make an API more consistent and introduce less new
definitions.
I have just found one more flaw in your
Hello!
Given API change i suggest (using KVM_MSI_VALID_DEVID flag), we could get
rid of all these
if()'s
here. Just forward all parameters to vGIC implementation code and let it do
its checks.
I don't understand this comment. Here this is the kernel struct that is
used (struct
Hello!
OK thanks for sharing. I need some more time to study qemu code too.
I am currently working on supporting this in qemu. Not ready yet, need some
time. But, with API i
suggest, things are really much-much simpler.
Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research
On Thu, Jul 02, 2015 at 10:49:03AM -0700, Mario Smarduch wrote:
On 07/01/2015 02:49 AM, Christoffer Dall wrote:
On Wed, Jun 24, 2015 at 05:04:10PM -0700, Mario Smarduch wrote:
Currently we save/restore fp/simd on each exit. Fist patch optimizes arm64
save/restore, we only do so on Guest
-Original Message-
From: Eric Auger [mailto:eric.au...@linaro.org]
Sent: Thursday, July 02, 2015 9:17 PM
To: eric.au...@st.com; eric.au...@linaro.org;
linux-arm-ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
kvm@vger.kernel.org; christoffer.d...@linaro.org;
-Original Message-
From: Paolo Bonzini [mailto:pbonz...@redhat.com]
Sent: Thursday, July 02, 2015 9:41 PM
To: Eric Auger; eric.au...@st.com; linux-arm-ker...@lists.infradead.org;
kvm...@lists.cs.columbia.edu; kvm@vger.kernel.org;
christoffer.d...@linaro.org; marc.zyng...@arm.com;
-Original Message-
From: Eric Auger [mailto:eric.au...@linaro.org]
Sent: Thursday, July 02, 2015 9:17 PM
To: eric.au...@st.com; eric.au...@linaro.org;
linux-arm-ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
kvm@vger.kernel.org; christoffer.d...@linaro.org;
Hi Andre,
On 07/02/2015 07:10 PM, Andre Przywara wrote:
Hi Eric,
On 29/06/15 16:37, Eric Auger wrote:
If the ITS modality is not available, let's simply support MSI
injection by transforming the MSI.data into an SPI ID.
This becomes possible to use KVM_SIGNAL_MSI ioctl for arm too.
-Original Message-
From: Wu, Feng
Sent: Friday, July 03, 2015 10:20 AM
To: Paolo Bonzini; Eric Auger; eric.au...@st.com;
linux-arm-ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
kvm@vger.kernel.org; christoffer.d...@linaro.org; marc.zyng...@arm.com;
Hi Feng,
On 07/03/2015 04:16 AM, Wu, Feng wrote:
-Original Message-
From: Eric Auger [mailto:eric.au...@linaro.org]
Sent: Thursday, July 02, 2015 9:17 PM
To: eric.au...@st.com; eric.au...@linaro.org;
linux-arm-ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
Hi Eric,
On 29/06/15 16:37, Eric Auger wrote:
If the ITS modality is not available, let's simply support MSI
injection by transforming the MSI.data into an SPI ID.
This becomes possible to use KVM_SIGNAL_MSI ioctl for arm too.
Signed-off-by: Eric Auger eric.au...@linaro.org
---
On 07/01/2015 02:49 AM, Christoffer Dall wrote:
On Wed, Jun 24, 2015 at 05:04:10PM -0700, Mario Smarduch wrote:
Currently we save/restore fp/simd on each exit. Fist patch optimizes arm64
save/restore, we only do so on Guest access. hackbench and
several lmbench tests show anywhere from 30% to
On 02/07/2015 20:01, Xiao Guangrong wrote:
Thanks for your review, Stefan and Paolo!
On 07/02/2015 05:52 PM, Paolo Bonzini wrote:
On 02/07/2015 11:20, Stefan Hajnoczi wrote:
Currently, the NVDIMM driver has been merged into upstream Linux
Kernel and
this patchset tries to enable it
Thanks for your review, Stefan and Paolo!
On 07/02/2015 05:52 PM, Paolo Bonzini wrote:
On 02/07/2015 11:20, Stefan Hajnoczi wrote:
Currently, the NVDIMM driver has been merged into upstream Linux Kernel and
this patchset tries to enable it in virtualization field
From a device model
On 07/02/2015 05:23 PM, Stefan Hajnoczi wrote:
On Wed, Jul 01, 2015 at 10:50:30PM +0800, Xiao Guangrong wrote:
+static uint32_t dsm_cmd_config_size(struct dsm_buffer *in, struct dsm_out *out)
+{
+GSList *list = get_nvdimm_built_list();
+PCNVDIMMDevice *nvdimm =
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:
From: Andrey Smetanin asmeta...@virtuozzo.com
This patch introduce 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 into appropriate hyperv context
structures.
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:
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
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
ndows 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 space that
allows to gather Windows guest crash dump by QEMU/LIBVIRT.
The idea is to
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
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 of KVM_CAP_HYPERV_MSR_CRASH capability.
User space allowed to setup Hyper-V crash ctl msr.
This msr should be
From: Andrey Smetanin asmeta...@virtuozzo.com
This patch introduce 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 into appropriate hyperv context
structures.
From: Andrey Smetanin asmeta...@virtuozzo.com
Sending of notification is done by exiting vcpu to user space
if KVM_REQ_HV_CRASH is enabled for vcpu. At exit to user space
the kvm_run structure contains system_event with type
KVM_SYSTEM_EVENT_CRASH to notify about guest crash occured.
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 of KVM_CAP_HYPERV_MSR_CRASH capability.
User space allowed to setup Hyper-V crash ctl msr.
This msr should be
From: Andrey Smetanin asmeta...@virtuozzo.com
KVM Hyper-V based guests can notify hypervisor about
occurred guest crash by writing into Hyper-V crash MSR's.
This patch does handling and migration of HV_X64_MSR_CRASH_P0-P4,
HV_X64_MSR_CRASH_CTL msrs. User can enable these MSR's by
'hv-crash'
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 space that
allows to gather Windows guest crash dump by QEMU/LIBVIRT.
The idea is to
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
On Wed, Jul 01, 2015 at 07:18:40PM +0100, Marc Zyngier wrote:
On 01/07/15 12:58, Christoffer Dall wrote:
On Wed, Jul 01, 2015 at 10:17:52AM +0100, Marc Zyngier wrote:
On 30/06/15 21:19, Christoffer Dall wrote:
On Mon, Jun 08, 2015 at 06:04:00PM +0100, Marc Zyngier wrote:
We only set the
On 02/07/2015 18:07, 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 of KVM_CAP_HYPERV_MSR_CRASH capability.
It should use the
From: Andrey Smetanin asmeta...@virtuozzo.com
Sending of notification is done by exiting vcpu to user space
if KVM_REQ_HV_CRASH is enabled for vcpu. At exit to user space
the kvm_run structure contains system_event with type
KVM_SYSTEM_EVENT_CRASH to notify about guest crash occured.
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:
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
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
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
From: Andrey Smetanin asmeta...@virtuozzo.com
KVM kernel can receive guest crash events. Patch code calls appropriate
handler for kernel guest crash event. Guest crash event recognized
by KVM_SYSTEM_EVENT_CRASH type of system event.
Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com
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
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:
On 02/07/2015 18:07, Denis V. Lunev wrote:
+if (cpu-hyperv_crash
+kvm_check_extension(cs-kvm_state, KVM_CAP_HYPERV_MSR_CRASH)
0) {
+c-edx |= HV_X64_GUEST_CRASH_MSR_AVAILABLE;
+has_msr_hv_crash = true;
+}
+
Please patch
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