Re: [PATCH v2] x86/hotplug: Do not put offline vCPUs in mwait idle state

On Fri, 20 Jan 2023 05:55:11 -0800 "Srivatsa S. Bhat" wrote: > Hi Igor and Thomas, > > Thank you for your review! > > On 1/19/23 1:12 PM, Thomas Gleixner wrote: > > On Mon, Jan 16 2023 at 15:55, Igor Mammedov wrote: > >> "Srivatsa S. Bhat&qu

Re: [PATCH v2] x86/hotplug: Do not put offline vCPUs in mwait idle state

On Sun, 15 Jan 2023 22:01:34 -0800 "Srivatsa S. Bhat" wrote: > From: "Srivatsa S. Bhat (VMware)" > > Under hypervisors that support mwait passthrough, a vCPU in mwait > CPU-idle state remains in guest context (instead of yielding to the > hypervisor via VMEXIT), which helps speed up wakeups

Re: [PATCH] virtio-balloon: fix managed page counts when migrating pages between zones

On Wed, 4 Dec 2019 21:48:07 +0100 David Hildenbrand wrote: > In case we have to migrate a ballon page to a newpage of another zone, the > managed page count of both zones is wrong. Paired with memory offlining > (which will adjust the managed page count), we can trigger kernel crashes > and all

Re: [PATCH RFC] vhost: convert pre sorted vhost memory array to interval tree

On Mon, 18 Jan 2016 10:42:29 +0800 Jason Wang wrote: > Current pre-sorted memory region array has some limitations for future > device IOTLB conversion: > > 1) need extra work for adding and removing a single region, and it's >expected to be slow because of sorting or

Re: [PATCH RFC] vhost: add ioctl to query nregions upper limit

On Wed, 24 Jun 2015 17:08:56 +0200 Michael S. Tsirkin m...@redhat.com wrote: On Wed, Jun 24, 2015 at 04:52:29PM +0200, Igor Mammedov wrote: On Wed, 24 Jun 2015 16:17:46 +0200 Michael S. Tsirkin m...@redhat.com wrote: On Wed, Jun 24, 2015 at 04:07:27PM +0200, Igor Mammedov wrote

Re: [PATCH RFC] vhost: add ioctl to query nregions upper limit

On Wed, 24 Jun 2015 16:17:46 +0200 Michael S. Tsirkin m...@redhat.com wrote: On Wed, Jun 24, 2015 at 04:07:27PM +0200, Igor Mammedov wrote: On Wed, 24 Jun 2015 15:49:27 +0200 Michael S. Tsirkin m...@redhat.com wrote: Userspace currently simply tries to give vhost as many regions

Re: [RFC PATCH] virtio-net: reset virtqueue affinity when doing cpu hotplug

On Thu, 27 Dec 2012 11:43:30 +0800 Wanlong Gao gaowanl...@cn.fujitsu.com wrote: On 12/27/2012 11:28 AM, Jason Wang wrote: On 12/26/2012 06:19 PM, Wanlong Gao wrote: On 12/26/2012 06:06 PM, Jason Wang wrote: On 12/26/2012 03:06 PM, Wanlong Gao wrote: Add a cpu notifier to virtio-net, so

Re: [Xen-devel] [PATCH 4/4] xen kconfig: describe xen tmem in the config menu

On 01/23/2012 07:34 PM, Konrad Rzeszutek Wilk wrote: On Fri, Jan 06, 2012 at 10:43:11AM +0100, Andrew Jones wrote: Add a description to the config menu for xen tmem. I am not sure what this patch gets us. If this is to minimize the size of the module - so say it gets loaded, but tmem-enabled