VirtualBox

Ignore:
Timestamp:
Feb 24, 2015 2:56:21 AM (10 years ago)
Author:
vboxsync
Message:

SUPDrv-win.cpp: We can do cross calls using IPI too for a month or two.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/src/VBox/HostDrivers/Support/win/SUPDrv-win.cpp

    r53396 r54412  
    16601660bool VBOXCALL  supdrvOSAreTscDeltasInSync(void)
    16611661{
    1662     /* Windows writes back the hardware TSC registers to adjust for inter-CPU deltas. */
    1663     return true;
     1662    /* If IPRT didn't find KeIpiGenericCall we pretend windows(, the firmware,
     1663       or whoever) always configures TSCs perfectly. */
     1664    return !RTMpOnPairIsConcurrentExecSupported();
    16641665}
    16651666
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