[PATCH v10 01/41] KVM: guest_memfd: Use kvm_mem_is_private() when populating guest_memfd memory
Ackerley Tng via B4 Relay <[email protected]> Fri, 07 Aug 2026 14:52:40 -0700
| Newsgroups | org.kernel.vger.linux-trace-kernel,dev.linux.lists.linux-coco,org.kernel.feeds.b4-sent,org.kernel.vger.kvm,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest,org.kvack.linux-mm |
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| Message-ID | <[email protected]> |
From: Sean Christopherson <[email protected]> Using kvm_mem_is_private() when populating guest_memfd instead of using an open coded equivalent. In addition to simplifying the populate code *now*, this avoids the need to provide a range-based gmem lookup API in the future as well. No functional change intended. Suggested-by: Xiaoyao Li <[email protected]> Signed-off-by: Sean Christopherson <[email protected]> Signed-off-by: Ackerley Tng <[email protected]> --- virt/kvm/guest_memfd.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/virt/kvm/guest_memfd.c b/virt/kvm/guest_memfd.c index b596486d184ca..a11cf6dc785da 100644 --- a/virt/kvm/guest_memfd.c +++ b/virt/kvm/guest_memfd.c @@ -811,9 +811,7 @@ static long __kvm_gmem_populate(struct kvm *kvm, struct kvm_memory_slot *slot, folio_unlock(folio); - if (!kvm_range_has_memory_attributes(kvm, gfn, gfn + 1, - KVM_MEMORY_ATTRIBUTE_PRIVATE, - KVM_MEMORY_ATTRIBUTE_PRIVATE)) { + if (!kvm_mem_is_private(kvm, gfn)) { ret = -EINVAL; goto out_put_folio; } -- 2.55.0.654.g21b8a5bc05-goog