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| author |   Wei Yang <richard.weiyang@gmail.com> | 2018-10-09 10:41:15 +0800 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2018-10-17 00:30:13 +0200 |
| commit | 970c0d4b94efcba5610b37f0118cb1a2286ba962 (patch) | |
| tree | cea016013a79f182f6abbfd0e8b84bce86d6f636 /virt/kvm/kvm_main.c | |
| parent | KVM: x86: reintroduce pte_list_remove, but including mmu_spte_clear_track_bits (diff) | |
| download | linux-dev-970c0d4b94efcba5610b37f0118cb1a2286ba962.tar.xz linux-dev-970c0d4b94efcba5610b37f0118cb1a2286ba962.zip | |
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/kvm/kvm_main.c')
| -rw-r--r-- | virt/kvm/kvm_main.c | 8 |
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) |