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OpenCloudOS-Kernel
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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 <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Xiao Guangrong 2010-03-10 19:00:43 +08:00 committed by Avi Kivity
parent 06056bfb94
commit 2ed152afc7
6 changed files with 11 additions and 8 deletions
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1
arch/x86/kvm/mmu.c
View File

@ -148,7 +148,6 @@ module_param(oos_shadow, bool, 0644);
#include <trace/events/kvm.h>
#undef TRACE_INCLUDE_FILE
#define CREATE_TRACE_POINTS
#include "mmutrace.h"

7
arch/x86/kvm/mmutrace.h
View File

@ -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 <trace/define_trace.h>

7
arch/x86/kvm/trace.h
View File

@ -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 <trace/define_trace.h>

2
arch/x86/kvm/x86.c
View File

@ -41,7 +41,7 @@
#include <linux/srcu.h>
#include <linux/slab.h>
#include <trace/events/kvm.h>
#undef TRACE_INCLUDE_FILE
#define CREATE_TRACE_POINTS
#include "trace.h"

1
include/trace/events/kvm.h
View File

@ -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,

1
virt/kvm/kvm_main.c
View File

@ -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);