Re: [PATCH RFC v3 4/6] Documentation: Add three sysctls for smart idle poll

2017-11-13 Thread Ingo Molnar
* Quan Xu wrote: > > > On 2017/11/13 23:08, Ingo Molnar wrote: > > * Quan Xu wrote: > > > > > From: Quan Xu > > > > > > To reduce the cost of poll, we introduce three sysctl to control the > > > poll time when running as a

Re: [PATCH RFC v3 1/6] x86/paravirt: Add pv_idle_ops to paravirt ops

2017-11-13 Thread Juergen Gross
On 14/11/17 08:02, Quan Xu wrote: > > > On 2017/11/13 18:53, Juergen Gross wrote: >> On 13/11/17 11:06, Quan Xu wrote: >>> From: Quan Xu >>> >>> So far, pv_idle_ops.poll is the only ops for pv_idle. .poll is called >>> in idle path which will poll for a while before we enter

Re: [PATCH RFC v3 1/6] x86/paravirt: Add pv_idle_ops to paravirt ops

2017-11-13 Thread Wanpeng Li
2017-11-14 15:02 GMT+08:00 Quan Xu : > > > On 2017/11/13 18:53, Juergen Gross wrote: >> >> On 13/11/17 11:06, Quan Xu wrote: >>> >>> From: Quan Xu >>> >>> So far, pv_idle_ops.poll is the only ops for pv_idle. .poll is called >>> in idle path which will poll

[CISTI 2018]: Call for Workshops Proposals

2017-11-13 Thread ML
-- CISTI'2018 WORKSHOPS 13th Iberian Conference on Information Systems and Technologies 13 - 16 June 2018, Caceres, Spain http://www.cisti.eu/ --- WORKSHOPS

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

2017-11-13 Thread Michael S. Tsirkin
You should Cc Nitesh who is working on a related feature. On Mon, Nov 13, 2017 at 06:34:48PM +0800, Wei Wang wrote: > Ping for comments, thanks. > > On 11/03/2017 04:13 PM, Wei Wang wrote: > > Negotiation of the VIRTIO_BALLOON_F_FREE_PAGE_VQ feature indicates the > > support of reporting hints

Re: [PATCH RFC v3 4/6] Documentation: Add three sysctls for smart idle poll

2017-11-13 Thread Ingo Molnar
* Quan Xu wrote: > From: Quan Xu > > To reduce the cost of poll, we introduce three sysctl to control the > poll time when running as a virtual machine with paravirt. > > Signed-off-by: Yang Zhang > Signed-off-by: Quan Xu

Re: [PATCH] MAINTAINERS: add virtio-ccw.h to virtio/s390 section

2017-11-13 Thread Halil Pasic
On 11/10/2017 07:15 PM, Heiko Carstens wrote: > On Fri, Nov 10, 2017 at 03:56:11PM +0100, Cornelia Huck wrote: >> The file arch/s390/include/uapi/asm/virtio-ccw.h belongs to the >> s390 virtio drivers as well. >> >> Signed-off-by: Cornelia Huck Acked-by: Halil Pasic

Re: [PATCH RFC v3 1/6] x86/paravirt: Add pv_idle_ops to paravirt ops

2017-11-13 Thread Wanpeng Li
2017-11-13 18:53 GMT+08:00 Juergen Gross : > On 13/11/17 11:06, Quan Xu wrote: >> From: Quan Xu >> >> So far, pv_idle_ops.poll is the only ops for pv_idle. .poll is called >> in idle path which will poll for a while before we enter the real idle >> state. >>

Re: [PATCH RFC v3 1/6] x86/paravirt: Add pv_idle_ops to paravirt ops

2017-11-13 Thread Juergen Gross
On 13/11/17 11:06, Quan Xu wrote: > From: Quan Xu > > So far, pv_idle_ops.poll is the only ops for pv_idle. .poll is called > in idle path which will poll for a while before we enter the real idle > state. > > In virtualization, idle path includes several heavy operations >

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

2017-11-13 Thread Wei Wang
Ping for comments, thanks. On 11/03/2017 04:13 PM, 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