On Tue, 2021-11-16 at 05:11 -0500, Paolo Bonzini wrote: > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> > --- > arch/x86/include/asm/kvm_host.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h > index e977634333d4..354fd2a918d5 100644 > --- a/arch/x86/include/asm/kvm_host.h > +++ b/arch/x86/include/asm/kvm_host.h > @@ -291,9 +291,9 @@ struct kvm_kernel_irq_routing_entry; > * the number of unique SPs that can theoretically be created is 2^n, where n > * is the number of bits that are used to compute the role. > * > - * But, even though there are 18 bits in the mask below, not all combinations > + * But, even though there are 20 bits in the mask below, not all combinations I to be honest counted 19 bits there (which includes the 'smm' bit), but I might have made a mistake. I do wonder maybe it is better to just remove that comment with explicit number? Best regards, Maxim Levitsky > * of modes and flags are possible. The maximum number of possible upper-level > - * shadow pages for a single gfn is in the neighborhood of 2^13. > + * shadow pages for a single gfn is in the neighborhood of 2^15. > * > * - invalid shadow pages are not accounted. > * - level is effectively limited to four combinations, not 16 as the number