summaryrefslogtreecommitdiff
path: root/arch/x86/kvm/mmu_audit.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /arch/x86/kvm/mmu_audit.c
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'arch/x86/kvm/mmu_audit.c')
-rw-r--r--arch/x86/kvm/mmu_audit.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/x86/kvm/mmu_audit.c b/arch/x86/kvm/mmu_audit.c
index 9ade5cfb5..03d518e49 100644
--- a/arch/x86/kvm/mmu_audit.c
+++ b/arch/x86/kvm/mmu_audit.c
@@ -114,7 +114,7 @@ static void audit_mappings(struct kvm_vcpu *vcpu, u64 *sptep, int level)
return;
gfn = kvm_mmu_page_get_gfn(sp, sptep - sp->spt);
- pfn = gfn_to_pfn_atomic(vcpu->kvm, gfn);
+ pfn = kvm_vcpu_gfn_to_pfn_atomic(vcpu, gfn);
if (is_error_pfn(pfn))
return;
@@ -131,12 +131,16 @@ 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;
+ struct kvm_memslots *slots;
+ struct kvm_memory_slot *slot;
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)) {
+ slots = kvm_memslots_for_spte_role(kvm, rev_sp->role);
+ slot = __gfn_to_memslot(slots, gfn);
+ if (!slot) {
if (!__ratelimit(&ratelimit_state))
return;
audit_printk(kvm, "no memslot for gfn %llx\n", gfn);
@@ -146,7 +150,7 @@ static void inspect_spte_has_rmap(struct kvm *kvm, u64 *sptep)
return;
}
- rmapp = gfn_to_rmap(kvm, gfn, rev_sp->role.level);
+ rmapp = __gfn_to_rmap(gfn, rev_sp->role.level, slot);
if (!*rmapp) {
if (!__ratelimit(&ratelimit_state))
return;
@@ -191,19 +195,21 @@ static void audit_write_protection(struct kvm *kvm, struct kvm_mmu_page *sp)
unsigned long *rmapp;
u64 *sptep;
struct rmap_iterator iter;
+ struct kvm_memslots *slots;
+ struct kvm_memory_slot *slot;
if (sp->role.direct || sp->unsync || sp->role.invalid)
return;
- rmapp = gfn_to_rmap(kvm, sp->gfn, PT_PAGE_TABLE_LEVEL);
+ slots = kvm_memslots_for_spte_role(kvm, sp->role);
+ slot = __gfn_to_memslot(slots, sp->gfn);
+ rmapp = __gfn_to_rmap(sp->gfn, PT_PAGE_TABLE_LEVEL, slot);
- for (sptep = rmap_get_first(*rmapp, &iter); sptep;
- sptep = rmap_get_next(&iter)) {
+ for_each_rmap_spte(rmapp, &iter, sptep)
if (is_writable_pte(*sptep))
audit_printk(kvm, "shadow page has writable "
"mappings: gfn %llx role %x\n",
sp->gfn, sp->role.word);
- }
}
static void audit_sp(struct kvm *kvm, struct kvm_mmu_page *sp)
@@ -291,7 +297,7 @@ static int mmu_audit_set(const char *val, const struct kernel_param *kp)
return 0;
}
-static struct kernel_param_ops audit_param_ops = {
+static const struct kernel_param_ops audit_param_ops = {
.set = mmu_audit_set,
.get = param_get_bool,
};