]> git.karo-electronics.de Git - mv-sheeva.git/blobdiff - arch/x86/kvm/mmu_audit.c
Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[mv-sheeva.git] / arch / x86 / kvm / mmu_audit.c
index ba2bcdde6221a7db194a6dd3ce4b77b38d6d408f..5f6223b8bcf734257f3da577be93448e032e4c76 100644 (file)
 
 #include <linux/ratelimit.h>
 
-static int audit_point;
-
-#define audit_printk(fmt, args...)             \
+#define audit_printk(kvm, fmt, args...)                \
        printk(KERN_ERR "audit: (%s) error: "   \
-               fmt, audit_point_name[audit_point], ##args)
+               fmt, audit_point_name[kvm->arch.audit_point], ##args)
 
 typedef void (*inspect_spte_fn) (struct kvm_vcpu *vcpu, u64 *sptep, int level);
 
@@ -97,18 +95,21 @@ static void audit_mappings(struct kvm_vcpu *vcpu, u64 *sptep, int level)
 
        if (sp->unsync) {
                if (level != PT_PAGE_TABLE_LEVEL) {
-                       audit_printk("unsync sp: %p level = %d\n", sp, level);
+                       audit_printk(vcpu->kvm, "unsync sp: %p "
+                                    "level = %d\n", sp, level);
                        return;
                }
 
                if (*sptep == shadow_notrap_nonpresent_pte) {
-                       audit_printk("notrap spte in unsync sp: %p\n", sp);
+                       audit_printk(vcpu->kvm, "notrap spte in unsync "
+                                    "sp: %p\n", sp);
                        return;
                }
        }
 
        if (sp->role.direct && *sptep == shadow_notrap_nonpresent_pte) {
-               audit_printk("notrap spte in direct sp: %p\n", sp);
+               audit_printk(vcpu->kvm, "notrap spte in direct sp: %p\n",
+                            sp);
                return;
        }
 
@@ -125,8 +126,9 @@ static void audit_mappings(struct kvm_vcpu *vcpu, u64 *sptep, int level)
 
        hpa =  pfn << PAGE_SHIFT;
        if ((*sptep & PT64_BASE_ADDR_MASK) != hpa)
-               audit_printk("levels %d pfn %llx hpa %llx ent %llxn",
-                                  vcpu->arch.mmu.root_level, pfn, hpa, *sptep);
+               audit_printk(vcpu->kvm, "levels %d pfn %llx hpa %llx "
+                            "ent %llxn", vcpu->arch.mmu.root_level, pfn,
+                            hpa, *sptep);
 }
 
 static void inspect_spte_has_rmap(struct kvm *kvm, u64 *sptep)
@@ -142,8 +144,8 @@ static void inspect_spte_has_rmap(struct kvm *kvm, u64 *sptep)
        if (!gfn_to_memslot(kvm, gfn)) {
                if (!printk_ratelimit())
                        return;
-               audit_printk("no memslot for gfn %llx\n", gfn);
-               audit_printk("index %ld of sp (gfn=%llx)\n",
+               audit_printk(kvm, "no memslot for gfn %llx\n", gfn);
+               audit_printk(kvm, "index %ld of sp (gfn=%llx)\n",
                       (long int)(sptep - rev_sp->spt), rev_sp->gfn);
                dump_stack();
                return;
@@ -153,7 +155,8 @@ static void inspect_spte_has_rmap(struct kvm *kvm, u64 *sptep)
        if (!*rmapp) {
                if (!printk_ratelimit())
                        return;
-               audit_printk("no rmap for writable spte %llx\n", *sptep);
+               audit_printk(kvm, "no rmap for writable spte %llx\n",
+                            *sptep);
                dump_stack();
        }
 }
@@ -168,8 +171,9 @@ static void audit_spte_after_sync(struct kvm_vcpu *vcpu, u64 *sptep, int level)
 {
        struct kvm_mmu_page *sp = page_header(__pa(sptep));
 
-       if (audit_point == AUDIT_POST_SYNC && sp->unsync)
-               audit_printk("meet unsync sp(%p) after sync root.\n", sp);
+       if (vcpu->kvm->arch.audit_point == AUDIT_POST_SYNC && sp->unsync)
+               audit_printk(vcpu->kvm, "meet unsync sp(%p) after sync "
+                            "root.\n", sp);
 }
 
 static void check_mappings_rmap(struct kvm *kvm, struct kvm_mmu_page *sp)
@@ -202,8 +206,9 @@ static void audit_write_protection(struct kvm *kvm, struct kvm_mmu_page *sp)
        spte = rmap_next(kvm, rmapp, NULL);
        while (spte) {
                if (is_writable_pte(*spte))
-                       audit_printk("shadow page has writable mappings: gfn "
-                                    "%llx role %x\n", sp->gfn, sp->role.word);
+                       audit_printk(kvm, "shadow page has writable "
+                                    "mappings: gfn %llx role %x\n",
+                                    sp->gfn, sp->role.word);
                spte = rmap_next(kvm, rmapp, spte);
        }
 }
@@ -238,7 +243,7 @@ static void kvm_mmu_audit(void *ignore, struct kvm_vcpu *vcpu, int point)
        if (!__ratelimit(&ratelimit_state))
                return;
 
-       audit_point = point;
+       vcpu->kvm->arch.audit_point = point;
        audit_all_active_sps(vcpu->kvm);
        audit_vcpu_spte(vcpu);
 }