KVM: Clean up and extend rate-limited output
The use of printk_ratelimit is discouraged, replace it with
pr*_ratelimited or __ratelimit. While at it, convert remaining
guest-triggerable printks to rate-limited variants.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/arch/x86/kvm/mmu_audit.c b/arch/x86/kvm/mmu_audit.c
index 2460a26..746ec25 100644
--- a/arch/x86/kvm/mmu_audit.c
+++ b/arch/x86/kvm/mmu_audit.c
@@ -121,16 +121,16 @@
static void inspect_spte_has_rmap(struct kvm *kvm, u64 *sptep)
{
+ static DEFINE_RATELIMIT_STATE(ratelimit_state, 5 * HZ, 10);
unsigned long *rmapp;
struct kvm_mmu_page *rev_sp;
gfn_t gfn;
-
rev_sp = page_header(__pa(sptep));
gfn = kvm_mmu_page_get_gfn(rev_sp, sptep - rev_sp->spt);
if (!gfn_to_memslot(kvm, gfn)) {
- if (!printk_ratelimit())
+ if (!__ratelimit(&ratelimit_state))
return;
audit_printk(kvm, "no memslot for gfn %llx\n", gfn);
audit_printk(kvm, "index %ld of sp (gfn=%llx)\n",
@@ -141,7 +141,7 @@
rmapp = gfn_to_rmap(kvm, gfn, rev_sp->role.level);
if (!*rmapp) {
- if (!printk_ratelimit())
+ if (!__ratelimit(&ratelimit_state))
return;
audit_printk(kvm, "no rmap for writable spte %llx\n",
*sptep);