> -----Original Message-----
> From: H. Peter Anvin [mailto:[email protected]]
> Sent: Saturday, January 31, 2015 2:19 AM
> To: Wu, Feng; [email protected]; [email protected]; [email protected];
> [email protected]; [email protected]; [email protected];
> [email protected]; [email protected]; [email protected]
> Cc: [email protected]; [email protected];
> [email protected]; [email protected]
> Subject: Re: [v3 21/26] x86, irq: Define a global vector for VT-d
> Posted-Interrupts
>
> On 12/12/2014 07:14 AM, Feng Wu wrote:
> > Currently, we use a global vector as the Posted-Interrupts
> > Notification Event for all the vCPUs in the system. We need
> > to introduce another global vector for VT-d Posted-Interrtups,
> > which will be used to wakeup the sleep vCPU when an external
> > interrupt from a direct-assigned device happens for that vCPU.
> >
> > Signed-off-by: Feng Wu <[email protected]>
> >
>
> > #ifdef CONFIG_HAVE_KVM
> > +void (*wakeup_handler_callback)(void) = NULL;
> > +EXPORT_SYMBOL_GPL(wakeup_handler_callback);
> > +
>
> Stylistic nitpick: we generally don't explicitly initialize
> global/static pointer variables to NULL (that happens automatically anyway.)
>
> Other than that,
>
> Acked-by: H. Peter Anvin <[email protected]>
Thanks a lot for your review, Peter!
Thanks,
Feng
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