Re: [PATCH v3 5/6] KVM: PPC: mmio: Return to guest after emulation failure

2022-01-11 Thread Fabiano Rosas
Nicholas Piggin writes: > Excerpts from Alexey Kardashevskiy's message of January 11, 2022 9:51 am: >> >> >> On 1/10/22 18:36, Nicholas Piggin wrote: >>> Excerpts from Fabiano Rosas's message of January 8, 2022 7:00 am: If MMIO emulation fails we don't want to crash the whole guest by

Re: [PATCH v3 5/6] KVM: PPC: mmio: Return to guest after emulation failure

2022-01-10 Thread Nicholas Piggin
Excerpts from Alexey Kardashevskiy's message of January 11, 2022 9:51 am: > > > On 1/10/22 18:36, Nicholas Piggin wrote: >> Excerpts from Fabiano Rosas's message of January 8, 2022 7:00 am: >>> If MMIO emulation fails we don't want to crash the whole guest by >>> returning to userspace. >>> >>>

Re: [PATCH v3 5/6] KVM: PPC: mmio: Return to guest after emulation failure

2022-01-10 Thread Alexey Kardashevskiy
On 1/10/22 18:36, Nicholas Piggin wrote: Excerpts from Fabiano Rosas's message of January 8, 2022 7:00 am: If MMIO emulation fails we don't want to crash the whole guest by returning to userspace. The original commit bbf45ba57eae ("KVM: ppc: PowerPC 440 KVM implementation") added a todo:

Re: [PATCH v3 5/6] KVM: PPC: mmio: Return to guest after emulation failure

2022-01-09 Thread Nicholas Piggin
Excerpts from Fabiano Rosas's message of January 8, 2022 7:00 am: > If MMIO emulation fails we don't want to crash the whole guest by > returning to userspace. > > The original commit bbf45ba57eae ("KVM: ppc: PowerPC 440 KVM > implementation") added a todo: > > /* XXX Deliver Program interrupt

[PATCH v3 5/6] KVM: PPC: mmio: Return to guest after emulation failure

2022-01-07 Thread Fabiano Rosas
If MMIO emulation fails we don't want to crash the whole guest by returning to userspace. The original commit bbf45ba57eae ("KVM: ppc: PowerPC 440 KVM implementation") added a todo: /* XXX Deliver Program interrupt to guest. */ and later the commit d69614a295ae ("KVM: PPC: Separate loadstore