Re: [PATCH] use bitmap ops on a bitmap instead of bit ops

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On Monday 02 March 2009 15:12:00 Sheng Yang wrote:
> On Friday 27 February 2009 21:26:58 Gleb Natapov wrote:
> > On Fri, Feb 27, 2009 at 11:19:09AM +0800, Sheng Yang wrote:
> > > > -	*mask = 0;
> > >
> > > I think the caller should not assume anything about the output, so let
> > > function itself do the clean is better. (however, not in this way for
> > > "mask" should be KVM_MAX_VCPUS long.)
> >
> > Ok. I'll leave it although all callers of the function zeroes bitmask
> > anyway.
> >
> > > And, I found some other things are not proper after looking back code,
> > > I would send a patch to fix it (deliver_bitmask in
> > > kvm_get_intr_delivery_bitmask).
> > >
> > > >  	if (dest_mode == 0) {	/* Physical mode. */
> > > >  		if (dest == 0xFF) {	/* Broadcast. */
> > > >  			for (i = 0; i < KVM_MAX_VCPUS; ++i)
> > > >  				if (kvm->vcpus[i] && kvm->vcpus[i]->arch.apic)
> > > > -					*mask |= 1 << i;
> > > > +					__set_bit(i, *mask);
> > >
> > > Should be __set_bit(i, mask)?
> >
> > Oh. Here is updated patch:
>
> Thanks. :)
>
> Acked-by: Sheng Yang <sheng@xxxxxxxxxxxxxxx>

Just a reminder that I have merge this patch into the patch title"[PATCH] KVM: 
Merge kvm_ioapic_get_delivery_bitmask into kvm_get_intr_delivery_bitmask" with 
Gleb's agreement. 

Thanks. :)

-- 
regards
Yang, Sheng


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