Re: [PATCH v20 06/21] s390x/cpu topology: interception of PTF instruction

2023-05-05 Thread Pierre Morel
On 5/4/23 13:03, Nina Schoetterl-Glausch wrote: On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote: When the host supports the CPU topology facility, the PTF instruction with function code 2 is interpreted by the SIE, provided that the userland hypervisor activates the interpretation by usi

Re: [PATCH v20 06/21] s390x/cpu topology: interception of PTF instruction

2023-05-04 Thread Nina Schoetterl-Glausch
On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote: > When the host supports the CPU topology facility, the PTF > instruction with function code 2 is interpreted by the SIE, > provided that the userland hypervisor activates the interpretation > by using the KVM_CAP_S390_CPU_TOPOLOGY KVM extensio