Re: [PATCH v2 0/2] KVM: x86: nSVM: fixes for SYSENTER emulation

2021-04-01 Thread Paolo Bonzini
On 01/04/21 13:19, Maxim Levitsky wrote: This is a result of a deep rabbit hole dive in regard to why currently the nested migration of 32 bit guests is totally broken on AMD. It turns out that due to slight differences between the original AMD64 implementation and the Intel's remake, SYSENTER

[PATCH v2 0/2] KVM: x86: nSVM: fixes for SYSENTER emulation

2021-04-01 Thread Maxim Levitsky
This is a result of a deep rabbit hole dive in regard to why currently the nested migration of 32 bit guests is totally broken on AMD. It turns out that due to slight differences between the original AMD64 implementation and the Intel's remake, SYSENTER instruction behaves a bit differently on