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author | Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> | 2011-11-30 04:43:24 -0500 |
---|---|---|
committer | Avi Kivity <avi@redhat.com> | 2011-12-27 04:22:12 -0500 |
commit | e37fa7853c276403da2fea8792c579e8bfd75042 (patch) | |
tree | 2ada19688af6ef30bba12b011d38e0166976170d /arch/x86/kvm/mmu_audit.c | |
parent | d750ea28865dbff6a73444358d189dd811c68c50 (diff) |
KVM: MMU: audit: inline audit function
inline audit function and little cleanup
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu_audit.c')
-rw-r--r-- | arch/x86/kvm/mmu_audit.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/arch/x86/kvm/mmu_audit.c b/arch/x86/kvm/mmu_audit.c index 5df6736a5afb..fe15dcc07a6b 100644 --- a/arch/x86/kvm/mmu_audit.c +++ b/arch/x86/kvm/mmu_audit.c | |||
@@ -19,6 +19,15 @@ | |||
19 | 19 | ||
20 | #include <linux/ratelimit.h> | 20 | #include <linux/ratelimit.h> |
21 | 21 | ||
22 | char const *audit_point_name[] = { | ||
23 | "pre page fault", | ||
24 | "post page fault", | ||
25 | "pre pte write", | ||
26 | "post pte write", | ||
27 | "pre sync", | ||
28 | "post sync" | ||
29 | }; | ||
30 | |||
22 | #define audit_printk(kvm, fmt, args...) \ | 31 | #define audit_printk(kvm, fmt, args...) \ |
23 | printk(KERN_ERR "audit: (%s) error: " \ | 32 | printk(KERN_ERR "audit: (%s) error: " \ |
24 | fmt, audit_point_name[kvm->arch.audit_point], ##args) | 33 | fmt, audit_point_name[kvm->arch.audit_point], ##args) |
@@ -227,18 +236,22 @@ static void audit_vcpu_spte(struct kvm_vcpu *vcpu) | |||
227 | static bool mmu_audit; | 236 | static bool mmu_audit; |
228 | static struct jump_label_key mmu_audit_key; | 237 | static struct jump_label_key mmu_audit_key; |
229 | 238 | ||
230 | static void kvm_mmu_audit(struct kvm_vcpu *vcpu, int point) | 239 | static void __kvm_mmu_audit(struct kvm_vcpu *vcpu, int point) |
231 | { | 240 | { |
232 | static DEFINE_RATELIMIT_STATE(ratelimit_state, 5 * HZ, 10); | 241 | static DEFINE_RATELIMIT_STATE(ratelimit_state, 5 * HZ, 10); |
233 | 242 | ||
234 | if (static_branch((&mmu_audit_key))) { | 243 | if (!__ratelimit(&ratelimit_state)) |
235 | if (!__ratelimit(&ratelimit_state)) | 244 | return; |
236 | return; | ||
237 | 245 | ||
238 | vcpu->kvm->arch.audit_point = point; | 246 | vcpu->kvm->arch.audit_point = point; |
239 | audit_all_active_sps(vcpu->kvm); | 247 | audit_all_active_sps(vcpu->kvm); |
240 | audit_vcpu_spte(vcpu); | 248 | audit_vcpu_spte(vcpu); |
241 | } | 249 | } |
250 | |||
251 | static inline void kvm_mmu_audit(struct kvm_vcpu *vcpu, int point) | ||
252 | { | ||
253 | if (static_branch((&mmu_audit_key))) | ||
254 | __kvm_mmu_audit(vcpu, point); | ||
242 | } | 255 | } |
243 | 256 | ||
244 | static void mmu_audit_enable(void) | 257 | static void mmu_audit_enable(void) |