On 06/10/2010 05:21 AM, Zhang, Yanmin wrote:
I see. So put it in a union. Or perhaps not even in a union - what if
a kvm guest is also acting as a kvm host?
My patch has consideration on it. I compiled kernel with host and guest support
at the same time. The accessing to perf_event->shadow is really under specific
scenarios, or they are just in specific functions. These functions are called
just bu host kernel , or just by guest kernel.
But a kernel can be both guest and host at the same time. Currently
this only works on AMD, but there was some work to bring it to Intel as
well.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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