Re: [PATCH] KVM: SEV: improve the code readability for ASID management

[Paolo Bonzini]

On 02/08/21 18:17, Sean Christopherson wrote:
> Rather than adjusting the bitmap index, what about simply umping the bitmap size?
> IIRC, current CPUs have 512 ASIDs, counting ASID 0, i.e. bumping the size won't
> consume any additional memory.  And if it does, the cost is 8 bytes...
>
> It'd be a bigger refactoring, but it should completely eliminate the mod-by-1
> shenanigans, e.g. a partial patch could look like

This is also okay by me if Mingwei agrees, of course.  I have already 
queued his patch, but I can replace it with one using a nr_asids-sized 
bitmap too.

Paolo