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xen-devel
Re: [Xen-devel] dom0 hang
 
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To:  | 
Keir Fraser <keir.fraser@xxxxxxxxxxxxx> | 
 
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Subject:  | 
Re: [Xen-devel] dom0 hang | 
 
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From:  | 
Mukesh Rathor <mukesh.rathor@xxxxxxxxxx> | 
 
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Date:  | 
Tue, 07 Jul 2009 11:28:25 -0700 | 
 
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Cc:  | 
George Dunlap <George.Dunlap@xxxxxxxxxxxxx>,	"Kurt C. Hackel" <kurt.hackel@xxxxxxxxxx>, "Tian,	Kevin" <kevin.tian@xxxxxxxxx>,	"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>,	"Yu, Ke" <ke.yu@xxxxxxxxx> | 
 
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Tue, 07 Jul 2009 11:29:07 -0700 | 
 
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<C678B6D7.EFC1%keir.fraser@xxxxxxxxxxxxx> | 
 
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Keir Fraser wrote:
 
On 07/07/2009 08:14, "Yu, Ke" <ke.yu@xxxxxxxxx> wrote:
 
BTW, why can't the tick be suspended when csched_schedule() concludes
it's idle vcpu before returning? won't that would make it less intrusive.
 
 
The tick suspend can be put in csched_schedule, but the suspend/resume logic
is still needed in acpi_processor_idle anyway, due to another dbs_timer
suspend/resume. The intention here is to make acpi_processor_idle the central
place for timers which are stoppable during idle period. If there is other
stoppable timer in the future, it can be easily added to acpi_processor_idle.
So it is clean to keep current logic. and as long as we carefully not over
doing the softirq, it looks not so intrusive. How do you think?
 
 
I think the approach is fine. I also already applied your patch since it is
obviously a good bug fix, even if it doesn't fix Mukesh's bug. And I fixed
the comment at the same time. And I backported it for Xen 3.4.1.
 -- Keir
 
 
It fixes my bug.
Thanks,
Mukesh
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[Next in Thread> |  
- Re: [Xen-devel] dom0 hang, (continued)
- Re: [Xen-devel] dom0 hang, George Dunlap
- Re: [Xen-devel] dom0 hang, Mukesh Rathor
- Message not available
 - Message not available
 - Re: [Xen-devel] dom0 hang, George Dunlap
 - Re: [Xen-devel] dom0 hang, Mukesh Rathor
 - Re: [Xen-devel] dom0 hang, Mukesh Rathor
 - RE: [Xen-devel] dom0 hang, Yu, Ke
 
- RE: [Xen-devel] dom0 hang, Yu, Ke
 - Re: [Xen-devel] dom0 hang, Mukesh Rathor
 - RE: [Xen-devel] dom0 hang, Yu, Ke
 - Re: [Xen-devel] dom0 hang, Keir Fraser
 - Re: [Xen-devel] dom0 hang,
Mukesh Rathor <=
 
  
  
  
 
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