Re: [Xen-devel] [PATCH v6 15/18] vmx: Properly handle notification event when vCPU is running

["Wu, Feng" <feng.wu@xxxxxxxxx>]

> -----Original Message-----
> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> Sent: Tuesday, September 08, 2015 6:13 PM
> To: Wu, Feng
> Cc: Andrew Cooper; Tian, Kevin; Zhang, Yang Z; xen-devel@xxxxxxxxxxxxx; Keir
> Fraser
> Subject: RE: [PATCH v6 15/18] vmx: Properly handle notification event when
> vCPU is running
> 
> >>> On 08.09.15 at 11:36, <feng.wu@xxxxxxxxx> wrote:
> 
> >
> >> -----Original Message-----
> >> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> >> Sent: Tuesday, September 08, 2015 5:31 PM
> >> To: Wu, Feng
> >> Cc: Andrew Cooper; Tian, Kevin; Zhang, Yang Z; xen-devel@xxxxxxxxxxxxx;
> Keir
> >> Fraser
> >> Subject: RE: [PATCH v6 15/18] vmx: Properly handle notification event when
> >> vCPU is running
> > No problem. Two solutions:
> > #1, Register pi_notification_interrupt when iommu_intpost and still
> > use event_check_interrupt in the !iommu_intpost case.
> > #1, Use pi_notification_interrupt() for both iommu_intpost and
> > !iommu_intpost, add the following check it:
> >     if ( iommu_intpost )
> >             raise_softirq(VCPU_KICK_SOFTIRQ);
> >
> > Which one do you prefer?
> 
> #1 ;-) (the earlier one, to avoid you guessing)

Hmm, sorry for the typo. :)

Thanks,
Feng

> 
> Jan


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