On 10/19/22 12:53, Konstantin Khlebnikov wrote:
On Wed, 19 Oct 2022 at 12:57, Alexander Atanasov
wrote:
Currently balloon drivers (Virtio,XEN, HyperV, VMWare, ...)
inflate and deflate the guest memory size but there is no
way to know how much the memory size is changed by them.
On 26.07.2022 16:45, Michael S. Tsirkin wrote:
On Mon, Jul 25, 2022 at 11:27:53PM +0300, Andrey Zhadchenko wrote:
Although QEMU virtio is quite fast, there is still some room for
improvements. Disk latency can be reduced if we handle virito-blk requests
in host kernel istead of passing them to
e
> was originally added in 2.6.34.
>
> Fixes: 9564e138b1f6 ("virtio: Add memory statistics reporting to the balloon
> driver (V4)")
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
Reviewed-by: Denis V. Lunev <d...@openvz.org>
> ---
> drivers/virtio/vi
This patch adds balloon size check at the end of the probe to match
original behaviour.
Signed-off-by: Konstantin Neumoin <kneum...@virtuozzo.com>
Signed-off-by: Denis V. Lunev <d...@openvz.org>
CC: Michael S. Tsirkin <m...@redhat.com>
---
drivers/virtio/virtio_balloon.c |
on. Original code with wait_event_interruptible
checked the condition before start waiting and started balloon operations
if necessary.
Right now balloon is not inflated if ballon target is set before the
driver is loaded.
Signed-off-by: Konstantin Neumoin <kneum...@virtuozzo.com>
Signed-off-
target.
Signed-off-by: Konstantin Neumoin <kneum...@virtuozzo.com>
Signed-off-by: Denis V. Lunev <d...@openvz.org>
CC: Michael S. Tsirkin <m...@redhat.com>
---
drivers/virtio/virtio_balloon.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/virtio/vi
rtuozzo.com>
Signed-off-by: Denis V. Lunev <d...@openvz.org>
CC: Michael S. Tsirkin <m...@redhat.com>
---
drivers/virtio/virtio_balloon.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 476c0e3..f
On 02/23/2016 06:53 PM, Michael S. Tsirkin wrote:
On Tue, Feb 23, 2016 at 06:26:47PM +0300, Denis V. Lunev wrote:
On 02/23/2016 06:10 PM, Michael S. Tsirkin wrote:
On Tue, Feb 16, 2016 at 06:50:52PM +0300, Denis V. Lunev wrote:
From: Igor Redko <red...@virtuozzo.com>
Add a new
On 02/23/2016 06:10 PM, Michael S. Tsirkin wrote:
On Tue, Feb 16, 2016 at 06:50:52PM +0300, Denis V. Lunev wrote:
From: Igor Redko <red...@virtuozzo.com>
Add a new field, VIRTIO_BALLOON_S_AVAIL, to virtio_balloon memory
statistics protocol, corresponding to 'Available' in /proc/m
istics interface (in a followup
patch).
Signed-off-by: Igor Redko <red...@virtuozzo.com>
Reviewed-by: Roman Kagan <rka...@virtuozzo.com>
Signed-off-by: Denis V. Lunev <d...@openvz.org>
CC: Michael S. Tsirkin <m...@redhat.com>
CC: Andrew Morton <a...@linux-foundation.
ed-off-by: Igor Redko <red...@virtuozzo.com>
Reviewed-by: Roman Kagan <rka...@virtuozzo.com>
Signed-off-by: Denis V. Lunev <d...@openvz.org>
CC: Michael S. Tsirkin <m...@redhat.com>
CC: Andrew Morton <a...@linux-foundation.org>
---
drivers/virtio/virtio_balloon.
software to improve memory management
of different VMs under overcommit.
Signed-off-by: Igor Redko <red...@virtuozzo.com>
Reviewed-by: Roman Kagan <rka...@virtuozzo.com>
Signed-off-by: Denis V. Lunev <d...@openvz.org>
CC: Michael S. Tsirkin <m...@redhat.com>
CC: A
;
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
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
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
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>
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
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
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
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 +--
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
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
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
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
On 10/12/2015 04:42 PM, Eric Blake wrote:
On 10/09/2015 07:39 AM, Denis V. Lunev wrote:
From: Andrey Smetanin <asmeta...@virtuozzo.com>
A new vcpu exit is introduced to notify the userspace of the
changes in Hyper-V synic configuraion triggered by guest writing to the
s/config
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...@redhat.com>
CC: "K.
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
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
On 08/20/2015 12:49 AM, Denis V. Lunev wrote:
Though there is a problem in this setup. The end-user and hosting provider
have signed SLA agreement in which some amount of memory is guaranted for
the guest. The good thing is that this memory will be given to the guest
when the guest will really
avoid to call
adjust_managed_page_count with VIRTIO_BALLOON_F_DEFLATE_ON_OOM set.
Signed-off-by: Denis V. Lunev d...@openvz.org
CC: Michael S. Tsirkin m...@redhat.com
---
drivers/virtio/virtio_balloon.c | 8 ++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/virtio
-by: Denis V. Lunev d...@openvz.org
CC: Michael S. Tsirkin m...@redhat.com
___
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization
and rename it to release_pages_balloon. The function originally takes
arrays of pfns and now it takes pointer to struct virtio_ballon.
This change is necessary to conditionally call adjust_managed_page_count
in the next patch.
Signed-off-by: Denis V. Lunev d...@openvz.org
CC: Michael S. Tsirkin m
register instead of EDX.
Signed-off-by: Andrey Smetanin asmeta...@virtuozzo.com
Signed-off-by: Denis V. Lunev d...@openvz.org
CC: Nick Meier nme...@microsoft.com
CC: K. Y. Srinivasan k...@microsoft.com
CC: Haiyang Zhang haiya...@microsoft.com
---
arch/x86/include/asm/mshyperv.h | 1 +
arch/x86
On 14/10/14 13:10, Michael S. Tsirkin wrote:
On Tue, Oct 14, 2014 at 10:14:05AM +1030, Rusty Russell wrote:
Michael S. Tsirkin m...@redhat.com writes:
On Mon, Oct 13, 2014 at 04:02:52PM +1030, Rusty Russell wrote:
Denis V. Lunev d...@parallels.com writes:
From: Raushaniya Maksudova rmaksud
From: Raushaniya Maksudova rmaksud...@parallels.com
This value would be useful in the next patch to provide the amount of
the freed memory for OOM killer.
Signed-off-by: Raushaniya Maksudova rmaksud...@parallels.com
Signed-off-by: Denis V. Lunev d...@openvz.org
CC: Rusty Russell ru
-by: Raushaniya Maksudova rmaksud...@parallels.com
Signed-off-by: Denis V. Lunev d...@openvz.org
CC: Rusty Russell ru...@rustcorp.com.au
CC: Michael S. Tsirkin m...@redhat.com
___
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https
killer to run.
Allocate virtio feature bit for this: it is not set by default,
the the guest will not deflate virtio balloon on OOM without explicit
permission from host.
Signed-off-by: Raushaniya Maksudova rmaksud...@parallels.com
Signed-off-by: Denis V. Lunev d...@openvz.org
CC: Rusty Russell
From: Raushaniya Maksudova rmaksud...@parallels.com
This value would be useful in the next patch to provide the amount of
the freed memory for OOM killer.
Signed-off-by: Raushaniya Maksudova rmaksud...@parallels.com
Signed-off-by: Denis V. Lunev d...@openvz.org
CC: Rusty Russell ru
killer to run.
Signed-off-by: Raushaniya Maksudova rmaksud...@parallels.com
Signed-off-by: Denis V. Lunev d...@openvz.org
CC: Rusty Russell ru...@rustcorp.com.au
CC: Michael S. Tsirkin m...@redhat.com
---
drivers/virtio/virtio_balloon.c | 48 +
1 file
On 13/10/14 09:32, Rusty Russell wrote:
Denis V. Lunev d...@parallels.com writes:
From: Raushaniya Maksudova rmaksud...@parallels.com
Excessive virtio_balloon inflation can cause invocation of OOM-killer,
when Linux is under severe memory pressure. Various mechanisms are
responsible
killer to run.
Signed-off-by: Raushaniya Maksudova rmaksud...@parallels.com
Signed-off-by: Denis V. Lunev d...@openvz.org
CC: Rusty Russell ru...@rustcorp.com.au
CC: Michael S. Tsirkin m...@redhat.com
CC: virtualization@lists.linux-foundation.org
---
drivers/virtio/virtio_balloon.c | 46
-off-by: Denis V. Lunev d...@openvz.org
CC: Rusty Russell ru...@rustcorp.com.au
CC: Michael S. Tsirkin m...@redhat.com
CC: virtualization@lists.linux-foundation.org
---
drivers/virtio/virtio_balloon.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/virtio
for implementation of virtio_balloon
callback, so now leak_balloon() function returns number of freed pages.
Patch 2 implements virtio_balloon callback itself.
Signed-off-by: Raushaniya Maksudova rmaksud...@parallels.com
Signed-off-by: Denis V. Lunev d...@openvz.org
CC: Rusty Russell ru...@rustcorp.com.au
CC
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