From 970c0d4b94efcba5610b37f0118cb1a2286ba962 Mon Sep 17 00:00:00 2001 From: Wei Yang Date: Tue, 9 Oct 2018 10:41:15 +0800 Subject: [PATCH] KVM: refine the comment of function gfn_to_hva_memslot_prot() The original comment is little hard to understand. No functional change, just amend the comment a little. Signed-off-by: Wei Yang Signed-off-by: Paolo Bonzini --- virt/kvm/kvm_main.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 067b71abae00..786ade1843a2 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1314,8 +1314,12 @@ unsigned long kvm_vcpu_gfn_to_hva(struct kvm_vcpu *vcpu, gfn_t gfn) EXPORT_SYMBOL_GPL(kvm_vcpu_gfn_to_hva); /* - * If writable is set to false, the hva returned by this function is only - * allowed to be read. + * Return the hva of a @gfn and the R/W attribute if possible. + * + * @slot: the kvm_memory_slot which contains @gfn + * @gfn: the gfn to be translated + * @writable: used to return the read/write attribute of the @slot if the hva + * is valid and @writable is not NULL */ unsigned long gfn_to_hva_memslot_prot(struct kvm_memory_slot *slot, gfn_t gfn, bool *writable)