From 2ed152afc7ed61830b848b32936e1541a1a57799 Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Wed, 10 Mar 2010 19:00:43 +0800 Subject: [PATCH] KVM: cleanup kvm trace This patch does: - no need call tracepoint_synchronize_unregister() when kvm module is unloaded since ftrace can handle it - cleanup ftrace's macro Signed-off-by: Xiao Guangrong Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 1 - arch/x86/kvm/mmutrace.h | 7 +++++-- arch/x86/kvm/trace.h | 7 +++++-- arch/x86/kvm/x86.c | 2 +- include/trace/events/kvm.h | 1 - virt/kvm/kvm_main.c | 1 - 6 files changed, 11 insertions(+), 8 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 19a8906..3af2dfd 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -148,7 +148,6 @@ module_param(oos_shadow, bool, 0644); #include -#undef TRACE_INCLUDE_FILE #define CREATE_TRACE_POINTS #include "mmutrace.h" diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h index 3e4a5c6..1fe956a 100644 --- a/arch/x86/kvm/mmutrace.h +++ b/arch/x86/kvm/mmutrace.h @@ -6,8 +6,6 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM kvmmmu -#define TRACE_INCLUDE_PATH . -#define TRACE_INCLUDE_FILE mmutrace #define KVM_MMU_PAGE_FIELDS \ __field(__u64, gfn) \ @@ -216,5 +214,10 @@ TRACE_EVENT( #endif /* _TRACE_KVMMMU_H */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE mmutrace + /* This part must be outside protection */ #include diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index 17b52cc..b75efef 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -5,8 +5,6 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM kvm -#define TRACE_INCLUDE_PATH arch/x86/kvm -#define TRACE_INCLUDE_FILE trace /* * Tracepoint for guest mode entry. @@ -575,5 +573,10 @@ TRACE_EVENT(kvm_skinit, #endif /* _TRACE_KVM_H */ +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH arch/x86/kvm +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace + /* This part must be outside protection */ #include diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 2b34dc7..74e70d9 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -41,7 +41,7 @@ #include #include #include -#undef TRACE_INCLUDE_FILE + #define CREATE_TRACE_POINTS #include "trace.h" diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h index b17d49d..6dd3a51 100644 --- a/include/trace/events/kvm.h +++ b/include/trace/events/kvm.h @@ -5,7 +5,6 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM kvm -#define TRACE_INCLUDE_FILE kvm #if defined(__KVM_HAVE_IOAPIC) TRACE_EVENT(kvm_set_irq, diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 5bac6eb..b152b23 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2279,7 +2279,6 @@ EXPORT_SYMBOL_GPL(kvm_init); void kvm_exit(void) { - tracepoint_synchronize_unregister(); kvm_exit_debug(); misc_deregister(&kvm_dev); kmem_cache_destroy(kvm_vcpu_cache); -- 2.7.4