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| author | Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> | 2011-11-30 17:43:24 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-12-27 11:22:12 +0200 |
| commit | e37fa7853c276403da2fea8792c579e8bfd75042 (patch) | |
| tree | 2ada19688af6ef30bba12b011d38e0166976170d /arch | |
| parent | d750ea28865dbff6a73444358d189dd811c68c50 (diff) | |
| download | linux-3.10-e37fa7853c276403da2fea8792c579e8bfd75042.tar.gz linux-3.10-e37fa7853c276403da2fea8792c579e8bfd75042.tar.bz2 linux-3.10-e37fa7853c276403da2fea8792c579e8bfd75042.zip | |
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')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 28 | ||||
| -rw-r--r-- | arch/x86/kvm/mmu_audit.c | 29 |
2 files changed, 28 insertions, 29 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index b1178d1bb8f..7a8e99c6dc8 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -59,21 +59,6 @@ enum { AUDIT_POST_SYNC }; -char *audit_point_name[] = { - "pre page fault", - "post page fault", - "pre pte write", - "post pte write", - "pre sync", - "post sync" -}; - -#ifdef CONFIG_KVM_MMU_AUDIT -static void kvm_mmu_audit(struct kvm_vcpu *vcpu, int point); -#else -static void kvm_mmu_audit(struct kvm_vcpu *vcpu, int point) { } -#endif - #undef MMU_DEBUG #ifdef MMU_DEBUG @@ -1539,6 +1524,13 @@ static int kvm_sync_page_transient(struct kvm_vcpu *vcpu, return ret; } +#ifdef CONFIG_KVM_MMU_AUDIT +#include "mmu_audit.c" +#else +static void kvm_mmu_audit(struct kvm_vcpu *vcpu, int point) { } +static void mmu_audit_disable(void) { } +#endif + static int kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, struct list_head *invalid_list) { @@ -4035,12 +4027,6 @@ void kvm_mmu_destroy(struct kvm_vcpu *vcpu) mmu_free_memory_caches(vcpu); } -#ifdef CONFIG_KVM_MMU_AUDIT -#include "mmu_audit.c" -#else -static void mmu_audit_disable(void) { } -#endif - void kvm_mmu_module_exit(void) { mmu_destroy_caches(); diff --git a/arch/x86/kvm/mmu_audit.c b/arch/x86/kvm/mmu_audit.c index 5df6736a5af..fe15dcc07a6 100644 --- a/arch/x86/kvm/mmu_audit.c +++ b/arch/x86/kvm/mmu_audit.c @@ -19,6 +19,15 @@ #include <linux/ratelimit.h> +char const *audit_point_name[] = { + "pre page fault", + "post page fault", + "pre pte write", + "post pte write", + "pre sync", + "post sync" +}; + #define audit_printk(kvm, fmt, args...) \ printk(KERN_ERR "audit: (%s) error: " \ fmt, audit_point_name[kvm->arch.audit_point], ##args) @@ -227,18 +236,22 @@ static void audit_vcpu_spte(struct kvm_vcpu *vcpu) static bool mmu_audit; static struct jump_label_key mmu_audit_key; -static void kvm_mmu_audit(struct kvm_vcpu *vcpu, int point) +static void __kvm_mmu_audit(struct kvm_vcpu *vcpu, int point) { static DEFINE_RATELIMIT_STATE(ratelimit_state, 5 * HZ, 10); - if (static_branch((&mmu_audit_key))) { - if (!__ratelimit(&ratelimit_state)) - return; + if (!__ratelimit(&ratelimit_state)) + return; - vcpu->kvm->arch.audit_point = point; - audit_all_active_sps(vcpu->kvm); - audit_vcpu_spte(vcpu); - } + vcpu->kvm->arch.audit_point = point; + audit_all_active_sps(vcpu->kvm); + audit_vcpu_spte(vcpu); +} + +static inline void kvm_mmu_audit(struct kvm_vcpu *vcpu, int point) +{ + if (static_branch((&mmu_audit_key))) + __kvm_mmu_audit(vcpu, point); } static void mmu_audit_enable(void) |