Re: [PATCH 0/3] Fix doorbell emulation for nested KVM guests in V1 API

2024-11-17 Thread Michael Ellerman
On Sat, 09 Nov 2024 12:02:54 +0530, Gautam Menghani wrote: > Doorbell emulation for nested KVM guests in V1 API is broken because of > 2 reasons: > 1. L0 presenting H_EMUL_ASSIST to L1 instead of H_FAC_UNAVAIL > 2. Broken plumbing for passing around doorbell state. > > Fix the trap passed to L1 an

[PATCH 0/3] Fix doorbell emulation for nested KVM guests in V1 API

2024-11-08 Thread Gautam Menghani
Doorbell emulation for nested KVM guests in V1 API is broken because of 2 reasons: 1. L0 presenting H_EMUL_ASSIST to L1 instead of H_FAC_UNAVAIL 2. Broken plumbing for passing around doorbell state. Fix the trap passed to L1 and the plumbing for maintaining doorbell state. Gautam Menghani (3):