Re: [Xen-devel] [Help] Trigger Watchdog when adding an IPI in vcpu_wake

2016-09-27 Thread Wei Yang
On Mon, Sep 26, 2016 at 12:18:06PM +0200, Dario Faggioli wrote: >On Sat, 2016-09-24 at 11:39 +0800, Wei Yang wrote: >> On Thu, Sep 22, 2016 at 11:12:15AM +0200, Dario Faggioli wrote: >> > _Almost_ correct. However, the problem is more that vcpu_wake() can >> > happen

Re: [Xen-devel] [Help] Trigger Watchdog when adding an IPI in vcpu_wake

2016-09-24 Thread Wei Yang
On Thu, Sep 22, 2016 at 11:55:16AM +0200, Dario Faggioli wrote: >On Thu, 2016-09-22 at 11:12 +0200, Dario Faggioli wrote: >> _Almost_ correct. However, the problem is more that vcpu_wake() can >> happen in response to an IRQ, and when you grab a spinlock in IRQ >> context, you need to disable IRQs.

Re: [Xen-devel] [Help] Trigger Watchdog when adding an IPI in vcpu_wake

2016-09-23 Thread Wei Yang
On Thu, Sep 22, 2016 at 11:12:15AM +0200, Dario Faggioli wrote: >On Sat, 2016-09-17 at 03:30 +0000, Wei Yang wrote: >> Dario, >> >Hey, hi again, and sorry for the in getting back at this particular >part of the conversation. > Sure, I was busy with other stuffs these days

Re: [Xen-devel] [Help] Trigger Watchdog when adding an IPI in vcpu_wake

2016-09-19 Thread Wei Yang
On Tue, Sep 20, 2016 at 01:24:17AM +0200, Dario Faggioli wrote: >On Sat, 2016-09-17 at 00:31 +0000, Wei Yang wrote: >> On Fri, Sep 16, 2016 at 06:07:08PM +0200, Dario Faggioli wrote: >> > But then again, if the system is not oversubscribed, I'd tend to >> > think

Re: [Xen-devel] [Help] Trigger Watchdog when adding an IPI in vcpu_wake

2016-09-17 Thread Wei Yang
On Tue, Sep 13, 2016 at 01:30:17PM +0200, Dario Faggioli wrote: >[using xendevel correct address] > >On Tue, 2016-09-13 at 16:54 +0800, Wei Yang wrote: >> On Fri, 2016-09-09 at 17:41 +0800, Wei Yang wrote: >> >  >> > I'm not surprised by that. Yet, I'd be

Re: [Xen-devel] [Help] Trigger Watchdog when adding an IPI in vcpu_wake

2016-09-17 Thread Wei Yang
On Wed, Sep 14, 2016 at 06:44:17PM +0800, Wei Yang wrote: >On Tue, Sep 13, 2016 at 01:30:17PM +0200, Dario Faggioli wrote: >>[using xendevel correct address] >> >>On Tue, 2016-09-13 at 16:54 +0800, Wei Yang wrote: >>> On Fri, 2016-09-09 at 17:41 +0800, Wei Ya

Re: [Xen-devel] [Help] Trigger Watchdog when adding an IPI in vcpu_wake

2016-09-17 Thread Wei Yang
On Fri, Sep 16, 2016 at 06:07:08PM +0200, Dario Faggioli wrote: >On Fri, 2016-09-16 at 10:49 +0800, Wei Yang wrote: >> On Wed, Sep 14, 2016 at 06:18:48PM +0200, Dario Faggioli wrote: >> > On Wed, 2016-09-14 at 18:44 +0800, Wei Yang wrote: >> > If the system is not ove

Re: [Xen-devel] [Help] Trigger Watchdog when adding an IPI in vcpu_wake

2016-09-15 Thread Wei Yang
On Wed, Sep 14, 2016 at 06:18:48PM +0200, Dario Faggioli wrote: >On Wed, 2016-09-14 at 18:44 +0800, Wei Yang wrote: >> On Tue, Sep 13, 2016 at 01:30:17PM +0200, Dario Faggioli wrote: >> >  >> > Do you mind sharing just a bit more, such as: >> >  - number of

Re: [Xen-devel] [Help] Trigger Watchdog when adding an IPI in vcpu_wake

2016-09-14 Thread Wei Yang
On Tue, Sep 13, 2016 at 01:30:17PM +0200, Dario Faggioli wrote: >[using xendevel correct address] > >On Tue, 2016-09-13 at 16:54 +0800, Wei Yang wrote: >> On Fri, 2016-09-09 at 17:41 +0800, Wei Yang wrote: >> >  >> > I'm not surprised by that. Yet, I'd be