[RFC PATCH v12 01/33] KVM: Tweak kvm_hva_range and hva_handler_t to allow reusing for gfn ranges
Sean Christopherson
seanjc at google.com
Fri Sep 15 14:05:27 PDT 2023
On Fri, Sep 15, 2023, Xiaoyao Li wrote:
> On 9/14/2023 9:54 AM, Sean Christopherson wrote:
> > Rework and rename "struct kvm_hva_range" into "kvm_mmu_notifier_range" so
> > that the structure can be used to handle notifications that operate on gfn
> > context, i.e. that aren't tied to a host virtual address.
> >
> > Practically speaking, this is a nop for 64-bit kernels as the only
> > meaningful change is to store start+end as u64s instead of unsigned longs.
> >
> > Reviewed-by: Paolo Bonzini <pbonzini at redhat.com>
> > Signed-off-by: Sean Christopherson <seanjc at google.com>
> > ---
> > virt/kvm/kvm_main.c | 34 +++++++++++++++++++---------------
> > 1 file changed, 19 insertions(+), 15 deletions(-)
> >
> > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> > index 486800a7024b..0524933856d4 100644
> > --- a/virt/kvm/kvm_main.c
> > +++ b/virt/kvm/kvm_main.c
> > @@ -541,18 +541,22 @@ static inline struct kvm *mmu_notifier_to_kvm(struct mmu_notifier *mn)
> > return container_of(mn, struct kvm, mmu_notifier);
> > }
> > -typedef bool (*hva_handler_t)(struct kvm *kvm, struct kvm_gfn_range *range);
> > +typedef bool (*gfn_handler_t)(struct kvm *kvm, struct kvm_gfn_range *range);
>
> Is it worth mentioning the rename of it as well in changelog?
Meh, I suppose. At some point, we do have to assume a certain level of code
literacy though :-)
More information about the linux-riscv
mailing list