On Fri, Dec 16, 2016 at 10:24:17AM +0100, Thomas Huth wrote:
> On 15.12.2016 06:53, David Gibson wrote:
> > Currently, the powerpc kvm_arch structure contains a number of variables
> > tracking the state of the guest's hashed page table (HPT) in KVM HV. This
> > patch gathers them all together into a single kvm_hpt_info substructure.
> > This makes life more convenient for the upcoming HPT resizing
> > implementation.
> >
> > Signed-off-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>
> > ---
> > arch/powerpc/include/asm/kvm_host.h | 16 ++++---
> > arch/powerpc/kvm/book3s_64_mmu_hv.c | 90 ++++++++++++++++++-------------------
> > arch/powerpc/kvm/book3s_hv.c | 2 +-
> > arch/powerpc/kvm/book3s_hv_rm_mmu.c | 62 ++++++++++++-------------
> > 4 files changed, 87 insertions(+), 83 deletions(-)
> >
> > diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
> > index e59b172..2673271 100644
> > --- a/arch/powerpc/include/asm/kvm_host.h
> > +++ b/arch/powerpc/include/asm/kvm_host.h
> > @@ -241,12 +241,20 @@ struct kvm_arch_memory_slot {
> > #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
> > };
> >
> > +struct kvm_hpt_info {
> > + unsigned long virt;
> > + struct revmap_entry *rev;
> > + unsigned long npte;
> > + unsigned long mask;
> > + u32 order;
> > + int cma;
> > +};
>
> While you're at it, it would be really great if you could add a comment
> at the end of each line with a short description of what the variables
> are about. E.g. if I just read "virt" and do not have much clue of the
> code yet, I have a hard time to figure out what this means...
Good idea, done.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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