Changeset 55863 in vbox for trunk/include/VBox

Timestamp:

May 14, 2015 6:29:34 PM (10 years ago)

Author:

vboxsync

Message:

IPRT,SUPDrv,VMM: Revised the context switching hook interface. Do less work when enabling the hook (formerly 'registration'). Drop the reference counting (kept internally for solaris) as it complicates restrictions wrt destroying enabled hooks. Bumped support driver version.

Location:

trunk/include/VBox/vmm

Files:

• hm.h (modified) (1 diff)
• vmm.h (modified) (1 diff)

trunk/include/VBox/vmm/hm.h

@@ -182 +182 @@
 VMMR0_INT_DECL(void)            HMR0SavePendingIOPortRead(PVMCPU pVCpu, RTGCPTR GCPtrRip, RTGCPTR GCPtrRipNext,
                                                           unsigned uPort, unsigned uAndVal, unsigned cbSize);
-#ifdef VBOX_STRICT
-# define HM_DISABLE_PREEMPT() \
-    RTTHREADPREEMPTSTATE PreemptStateInternal = RTTHREADPREEMPTSTATE_INITIALIZER; \
-    Assert(!RTThreadPreemptIsEnabled(NIL_RTTHREAD) || VMMR0ThreadCtxHooksAreRegistered(pVCpu)); \
-    RTThreadPreemptDisable(&PreemptStateInternal);
-#else
-# define HM_DISABLE_PREEMPT() \
-    RTTHREADPREEMPTSTATE PreemptStateInternal = RTTHREADPREEMPTSTATE_INITIALIZER; \
-    RTThreadPreemptDisable(&PreemptStateInternal);
-#endif /* VBOX_STRICT */
-# define HM_RESTORE_PREEMPT()   do { RTThreadPreemptRestore(&PreemptStateInternal); } while(0)
-
-
 VMMR0_INT_DECL(int)             HMR0SetupVM(PVM pVM);
 VMMR0_INT_DECL(int)             HMR0RunGuestCode(PVM pVM, PVMCPU pVCpu);

trunk/include/VBox/vmm/vmm.h

@@ -512 +512 @@
 VMMR0_INT_DECL(bool) VMMR0IsLongJumpArmed(PVMCPU pVCpu);
 VMMR0_INT_DECL(bool) VMMR0IsInRing3LongJump(PVMCPU pVCpu);
-VMMR0_INT_DECL(int)  VMMR0ThreadCtxHooksCreate(PVMCPU pVCpu);
-VMMR0_INT_DECL(void) VMMR0ThreadCtxHooksRelease(PVMCPU pVCpu);
-VMMR0_INT_DECL(bool) VMMR0ThreadCtxHooksAreCreated(PVMCPU pVCpu);
-VMMR0_INT_DECL(int)  VMMR0ThreadCtxHooksRegister(PVMCPU pVCpu, PFNRTTHREADCTXHOOK pfnHook);
-VMMR0_INT_DECL(void) VMMR0ThreadCtxHooksDeregister(PVMCPU pVCpu);
-VMMR0_INT_DECL(bool) VMMR0ThreadCtxHooksAreRegistered(PVMCPU pVCpu);
+VMMR0_INT_DECL(int)  VMMR0ThreadCtxHookCreateForEmt(PVMCPU pVCpu);
+VMMR0_INT_DECL(void) VMMR0ThreadCtxHookDestroyForEmt(PVMCPU pVCpu);
+VMMR0_INT_DECL(void) VMMR0ThreadCtxHookDisable(PVMCPU pVCpu);
+VMMR0_INT_DECL(bool) VMMR0ThreadCtxHookIsEnabled(PVMCPU pVCpu);
 
 # ifdef LOG_ENABLED