Re: [Qemu-devel] [Bug 1208540] [NEW] RDMSR of register 0x345 (IA32_PERF_CAPABILITIES) fails in guest

2013-08-05 Thread Gleb Natapov
On Mon, Aug 05, 2013 at 05:17:30PM -, Jari Ruusu wrote: > Public bug reported: > > I have a problem with qemu when I attempt to configure qemu in a way that > AES-NI op-codes are enabled in quest. To do that, I have to configure qemu > to emulate a recent CPU. But that causes a problem, becaus

[Qemu-devel] [Bug 1208540] [NEW] RDMSR of register 0x345 (IA32_PERF_CAPABILITIES) fails in guest

2013-08-05 Thread Jari Ruusu
Public bug reported: I have a problem with qemu when I attempt to configure qemu in a way that AES-NI op-codes are enabled in quest. To do that, I have to configure qemu to emulate a recent CPU. But that causes a problem, because with recent CPUs, guest linux kernel code assumes that RDMSR of regi