Avi Kivity wrote: > On 02/07/2010 02:33 PM, Jan Kiszka wrote: >> Avi Kivity wrote: >> >>> On 02/05/2010 10:26 AM, Jan Kiszka wrote: >>> >>>> Avi Kivity wrote: >>>> >>>> >>>>> 'mask' is always a constant, so we can check whether it includes a >>>>> bit that >>>>> might be owned by the guest very cheaply, and avoid the decache >>>>> call. Saves >>>>> a few hundred bytes of module text. >>>>> >>>>> >>>> -no-kvm-irqchip -smp 2 is broken for my Linux guests since this commit. >>>> Their user space applications receive #UD and things fall apart. >>>> >>>> >>>> >>> Does 2c8232fc help? >>> >>> >> Nope, unfortunately. >> >> > > Which specific guests exhibit the behaviour? > 64-bit Linux, various kernels from 2.6.27 to 32. x86-32 appears to be unaffected. Jan
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