On Wed, Jun 30, 2010 at 12:25:15PM +0800, Sheng Yang wrote: > Some guest device driver may leverage the "Non-Snoop" I/O, and explicitly > WBINVD or CLFLUSH to a RAM space. Since migration may occur before WBINVD or > CLFLUSH, we need to maintain data consistency either by: > 1: flushing cache (wbinvd) when the guest is scheduled out if there is no > wbinvd exit, or > 2: execute wbinvd on all dirty physical CPUs when guest wbinvd exits. > > Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@xxxxxxxxx> > Signed-off-by: Sheng Yang <sheng@xxxxxxxxxxxxxxx> > --- > arch/x86/include/asm/kvm_host.h | 6 +++++ > arch/x86/kvm/emulate.c | 5 +++- > arch/x86/kvm/svm.c | 7 ++++++ > arch/x86/kvm/vmx.c | 10 ++++++++- > arch/x86/kvm/x86.c | 41 +++++++++++++++++++++++++++++++++++++++ > 5 files changed, 67 insertions(+), 2 deletions(-) Applied, thanks. . -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
