Re: [PATCH v17 6/6] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

2017-11-15 Thread Michael S. Tsirkin
On Fri, Nov 03, 2017 at 04:13:06PM +0800, Wei Wang wrote: > Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the > support of reporting hints of guest free pages to the host via > virtio-balloon. The host requests the guest to report the free pages by > sending commands via the

Re: [PATCH RFC v3 3/6] sched/idle: Add a generic poll before enter real idle path

2017-11-15 Thread Thomas Gleixner
On Wed, 15 Nov 2017, Peter Zijlstra wrote: > On Mon, Nov 13, 2017 at 06:06:02PM +0800, Quan Xu wrote: > > From: Yang Zhang > > > > Implement a generic idle poll which resembles the functionality > > found in arch/. Provide weak arch_cpu_idle_poll function which > > can

Re: [Xen-devel] [PATCH RFC v3 0/6] x86/idle: add halt poll support

2017-11-15 Thread Konrad Rzeszutek Wilk
On Mon, Nov 13, 2017 at 06:05:59PM +0800, Quan Xu wrote: > From: Yang Zhang > > Some latency-intensive workload have seen obviously performance > drop when running inside VM. The main reason is that the overhead > is amplified when running inside VM. The most cost I have

Re: [PATCH] vhost/scsi: Use safe iteration in vhost_scsi_complete_cmd_work()

2017-11-15 Thread Michael S. Tsirkin
On Thu, Nov 16, 2017 at 08:52:39AM +0900, Byungchul Park wrote: > On Thu, Nov 09, 2017 at 09:17:29AM +0900, Byungchul Park wrote: > > I am sorry for having made a mistake on it. > > Hello Nicholas, > > Please consider this patch urgently. I'm sorry for having changed the > original behavior with

Call for papers - WorldCIST'18 - Naples, Italy - Extended deadline: November 26

2017-11-15 Thread Maria Lemos
* Proceedings by Springer ** Extended versions of best selected papers will be published in JCR/SCI/SSCI journals --- WorldCist'18 - 6th World Conference on Information Systems and Technologies

Re: [PATCH v17 6/6] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

2017-11-15 Thread Michael S. Tsirkin
On Wed, Nov 15, 2017 at 11:47:58AM +0800, Wei Wang wrote: > On 11/15/2017 05:21 AM, Michael S. Tsirkin wrote: > > On Tue, Nov 14, 2017 at 08:02:03PM +0800, Wei Wang wrote: > > > On 11/14/2017 01:32 AM, Michael S. Tsirkin wrote: > > > > > - guest2host_cmd: written by the guest to ACK to the host

Re: [PATCH RFC v3 3/6] sched/idle: Add a generic poll before enter real idle path

2017-11-15 Thread Peter Zijlstra
On Mon, Nov 13, 2017 at 06:06:02PM +0800, Quan Xu wrote: > From: Yang Zhang > > Implement a generic idle poll which resembles the functionality > found in arch/. Provide weak arch_cpu_idle_poll function which > can be overridden by the architecture code if needed. No,

Re: [PATCH RFC v3 0/6] x86/idle: add halt poll support

2017-11-15 Thread Peter Zijlstra
On Mon, Nov 13, 2017 at 07:01:40PM +0800, Quan Xu wrote: > Documentation/sysctl/kernel.txt | 35 > arch/x86/include/asm/paravirt.h |5 ++ > arch/x86/include/asm/paravirt_types.h |6 +++ > arch/x86/kernel/kvm.c | 73 >