Re: [RFC PATCH v12 01/33] KVM: Tweak kvm_hva_range and hva_handler_t to allow reusing for gfn ranges

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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@xxxxxxxxxx>
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
  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?


Reviewed-by: Xiaoyao Li <>

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