Re: [RFC PATCH] KVM: PPC: Book3S HV: Add KVM_CAP_PPC_GTSE

2022-03-09 Thread Paul Mackerras
On Tue, Mar 08, 2022 at 10:23:38PM -0300, Fabiano Rosas wrote: > This patch adds a new KVM capability to address a crash we're > currently having inside the nested guest kernel when running with > GTSE disabled in the nested hypervisor. I think the patch needs to add a description of KVM_CAP_PPC_G

[RFC PATCH] KVM: PPC: Book3S HV: Add KVM_CAP_PPC_GTSE

2022-03-08 Thread Fabiano Rosas
This patch adds a new KVM capability to address a crash we're currently having inside the nested guest kernel when running with GTSE disabled in the nested hypervisor. The summary is: We allow any guest a cmdline override of GTSE for migration purposes. The nested guest does not know it needs to