Re: [PATCH 3/5] Intel MIC Host Driver Changes for Virtio Devices.

2013-08-05 Thread Rusty Russell
Sudeep Dutt writes: > On Mon, 2013-07-29 at 10:05 +0300, Michael S. Tsirkin wrote: >> On Wed, Jul 24, 2013 at 08:31:34PM -0700, Sudeep Dutt wrote: >> > From: Ashutosh Dixit >> > >> > This patch introduces the host "Virtio over PCIe" interface for >> > Intel MIC. It allows creating user space ba

Re: [PATCH RFC V11 0/18] Paravirtualized ticket spinlocks

2013-08-05 Thread Raghavendra K T
On 08/06/2013 04:20 AM, H. Peter Anvin wrote: So, having read through the entire thread I *think* this is what the status of this patchset is: 1. Patches 1-17 are noncontroversial, Raghavendra is going to send an update split into two patchsets; Yes. Only one patch would be common to both

Re: [PATCH RFC V11 0/18] Paravirtualized ticket spinlocks

2013-08-05 Thread H. Peter Anvin
So, having read through the entire thread I *think* this is what the status of this patchset is: 1. Patches 1-17 are noncontroversial, Raghavendra is going to send an update split into two patchsets; 2. There are at least two versions of patch 15; I think the "PATCH RESEND RFC" is the right

Re: [PATCH trivial] include: uapi: standard all files' macro prefix and suffix, excluding "linux/" sub-directory

2013-08-05 Thread Chen Gang
On 08/02/2013 04:13 PM, Eric W. Biederman wrote: > Chen Gang writes: > >> It is a trivial patch for "include/uapi", exclude "linux" sub-directory. >> >> If it is useful, I will send another patch for "linux" sub-directory. >> >> BTW: it is really big mail addresses from >> "./scripts/get_maintain

Re: [PATCH V2 4/4] x86: correctly detect hypervisor

2013-08-05 Thread Konrad Rzeszutek Wilk
On Mon, Aug 05, 2013 at 08:20:53AM -0700, H. Peter Anvin wrote: > On 08/05/2013 07:34 AM, Konrad Rzeszutek Wilk wrote: > > > > Could you provide me with a git branch so I can test it overnight please? > > > > Pull tip:x86/paravirt. It works for me. Thanks. > > -hpa > >

Re: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

2013-08-05 Thread Konrad Rzeszutek Wilk
On Mon, Aug 05, 2013 at 11:46:03AM +0200, Ingo Molnar wrote: > > * Gleb Natapov wrote: > > > On Fri, Aug 02, 2013 at 11:25:39AM +0200, Ingo Molnar wrote: > > > > Ingo, > > > > > > > > Do you have any concerns reg this series? please let me know if this > > > > looks good now to you. > > > > >

Re: [PATCH V2 4/4] x86: correctly detect hypervisor

2013-08-05 Thread H. Peter Anvin
On 08/05/2013 07:34 AM, Konrad Rzeszutek Wilk wrote: > > Could you provide me with a git branch so I can test it overnight please? > Pull tip:x86/paravirt. -hpa ___ Virtualization mailing list Virtualization@lists.linux-foundation.org https:

Re: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

2013-08-05 Thread Paolo Bonzini
> Only thing I am thinking is about KVM_FEATURE_PV_UNHALT, and > KVM_HC_KICK_CPU definition in the below hunk, that is needed by guest > as well. may be this header file change can be a separate patch so that > duplicate can be handled easily during merge? Sure, good idea. Paolo > I do testing o

Re: [PATCH V2 4/4] x86: correctly detect hypervisor

2013-08-05 Thread Konrad Rzeszutek Wilk
On Mon, Aug 05, 2013 at 11:38:14AM +0800, Jason Wang wrote: > On 07/25/2013 04:54 PM, Jason Wang wrote: > > We try to handle the hypervisor compatibility mode by detecting hypervisor > > through a specific order. This is not robust, since hypervisors may > > implement > > each others features. > >

Re: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

2013-08-05 Thread Raghavendra K T
On 08/05/2013 07:35 PM, Paolo Bonzini wrote: I guess you'd want to carry this in the KVM tree or so - maybe in a separate branch because it changes Xen as well? It changes KVM host and guest side, XEN and common x86 spinlock code. I think it would be best to merge common x86 spinlock bits and g

Re: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

2013-08-05 Thread Paolo Bonzini
> > On Mon, Aug 05, 2013 at 11:46:03AM +0200, Ingo Molnar wrote: > > > Acked-by: Ingo Molnar > > > > > > I guess you'd want to carry this in the KVM tree or so - maybe in a > > > separate branch because it changes Xen as well? > > > > It changes KVM host and guest side, XEN and common x86 spinlo

Re: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

2013-08-05 Thread Ingo Molnar
* Gleb Natapov wrote: > On Mon, Aug 05, 2013 at 11:46:03AM +0200, Ingo Molnar wrote: > > Acked-by: Ingo Molnar > > > > I guess you'd want to carry this in the KVM tree or so - maybe in a > > separate branch because it changes Xen as well? > > It changes KVM host and guest side, XEN and commo

Re: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

2013-08-05 Thread Raghavendra K T
That result was only for patch 18 of the series, not pvspinlock in general. Okay - I've re-read the performance numbers and they are impressive, so no objections from me. The x86 impact seems to be a straightforward API change, with most of the changes on the virtualization side. So: Acked-b

Re: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

2013-08-05 Thread Ingo Molnar
* Gleb Natapov wrote: > On Fri, Aug 02, 2013 at 11:25:39AM +0200, Ingo Molnar wrote: > > > Ingo, > > > > > > Do you have any concerns reg this series? please let me know if this > > > looks good now to you. > > > > I'm inclined to NAK it for excessive quotation - who knows how many > > peopl