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Re: [Qemu-devel] [Qemu-stable] [PATCH] target-i386: do not read/write MS

From: Peter Lieven
Subject: Re: [Qemu-devel] [Qemu-stable] [PATCH] target-i386: do not read/write MSR_TSC_AUX from KVM if CPUID bit is not set
Date: Thu, 31 Mar 2016 15:12:19 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 
Am 31.03.2016 um 14:56 schrieb Laszlo Ersek:

On 03/30/16 22:59, Paolo Bonzini wrote:

KVM does not let you read or write this MSR if the corresponding CPUID
bit is not set.  This in turn causes MSRs that come after MSR_TSC_AUX
to be ignored by KVM_SET_MRSS.


Is it possible that this causes a freeze when migrating vom qemu 2.2.0 to 2.5.1?

Thanks,
Peter
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