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Re: [Qemu-devel] [PATCH 0/2] vhost: check if vhost has capacity for hotp
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [PATCH 0/2] vhost: check if vhost has capacity for hotplugged memory |
Date: |
Tue, 28 Jul 2015 17:08:08 +0200 |
On Mon, 20 Jul 2015 15:49:28 +0200
Igor Mammedov <address@hidden> wrote:
> it's defensive patchset which helps to avoid QEMU crashing
> at memory hotplug time by checking that vhost has free capacity
> for an additional memory slot.
>
> Igor Mammedov (2):
> vhost: add vhost_has_free_slot() interface
> pc-dimm: add vhost slots limit check before commiting to hotplug
>
> hw/mem/pc-dimm.c | 7 +++++++
> hw/virtio/vhost-backend.c | 23 ++++++++++++++++++++++-
> hw/virtio/vhost-user.c | 8 +++++++-
> hw/virtio/vhost.c | 21 +++++++++++++++++++++
> include/hw/virtio/vhost-backend.h | 2 ++
> include/hw/virtio/vhost.h | 1 +
> stubs/Makefile.objs | 1 +
> stubs/vhost.c | 6 ++++++
> 8 files changed, 67 insertions(+), 2 deletions(-)
> create mode 100644 stubs/vhost.c
>
ping,
patches are not invasive and fix QEMU crash during memory hotplug
when running on kernels that have lower vhost memory slots limit.
Pls consider applying them for 2.4.