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vbox: poke timer emt thread from time to time

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Fixes #2110
This commit is contained in:
Alexander Boettcher 2016-10-11 16:55:54 +02:00 committed by Christian Helmuth
parent 14049d87da
commit 9d49749a49
3 changed files with 34 additions and 2 deletions
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2
repos/ports/ports/virtualbox.hash
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@ -1 +1 @@
cfd788e7883eb32d28a8d9504f55e0dfd09421a0
6efb7a0f12074907d7d1bec973cc47b7ccbb50bf

2
repos/ports/ports/virtualbox5.hash
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@ -1 +1 @@
3fa7f8218dd03a4752dc8cf34e113cbacc720b98
7ebd52c12b8c8d332d348cea047c38640cb57c81

32
repos/ports/src/virtualbox/patches/tm_tpr.patch
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@ -1,5 +1,37 @@
--- a/src/app/virtualbox/src/VBox/VMM/VMMR3/TM.cpp
+++ b/src/app/virtualbox/src/VBox/VMM/VMMR3/TM.cpp
@@ -1900,6 +1900,8 @@
PVMCPU pVCpuDst = &pVM->aCpus[pVM->tm.s.idTimerCpu];
NOREF(pTimer);
+ bool ff_scheduled = false;
+
AssertCompile(TMCLOCK_MAX == 4);
#ifdef DEBUG_Sander /* very annoying, keep it private. */
if (VMCPU_FF_IS_SET(pVCpuDst, VMCPU_FF_TIMER))
@@ -1916,6 +1918,7 @@
&& !pVM->tm.s.fRunningQueues
)
{
+ ff_scheduled = true;
Log5(("TM(%u): FF: 0 -> 1\n", __LINE__));
VMCPU_FF_SET(pVCpuDst, VMCPU_FF_TIMER);
#ifdef VBOX_WITH_REM
@@ -1924,6 +1927,14 @@
VMR3NotifyCpuFFU(pVCpuDst->pUVCpu, VMNOTIFYFF_FLAGS_DONE_REM /** @todo | VMNOTIFYFF_FLAGS_POKE ?*/);
STAM_COUNTER_INC(&pVM->tm.s.StatTimerCallbackSetFF);
}
+
+ if (!ff_scheduled
+ && VMCPU_FF_IS_PENDING(pVCpuDst, VMCPU_FF_TIMER)
+ && VMCPU_GET_STATE(pVCpuDst) == VMCPUSTATE_STARTED_EXEC
+ )
+ {
+ VMR3NotifyCpuFFU(pVCpuDst->pUVCpu, VMNOTIFYFF_FLAGS_POKE);
+ }
}
@@ -1934,6 +1947,7 @@
*
* @thread EMT (actually EMT0, but we fend off the others)