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authorWei Yang <richard.weiyang@gmail.com>2018-10-09 10:41:15 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2018-10-17 00:30:13 +0200
commit970c0d4b94efcba5610b37f0118cb1a2286ba962 (patch)
treecea016013a79f182f6abbfd0e8b84bce86d6f636 /virt
parente7912386ede89d2aa1f72ebb74969e48e9d5f56c (diff)
downloadlinux-aarch64-970c0d4b94efcba5610b37f0118cb1a2286ba962.tar.gz
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 <richard.weiyang@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c8
1 files 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)