Re: RFC/patch portability: split kvm_vm_ioctl v3

Dong, Eddie
2007-10-30T10:51:08Z

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>-----Original Message-----
>From: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
>[mailto:kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On Behalf Of
>Carsten Otte
>Sent: 2007年10月26日 20:02
>To: Avi Kivity; Zhang, Xiantao; Hollis Blanchard
>Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
>Subject: Re: [kvm-devel] RFC/patch portability: split kvm_vm_ioctl v3
>
>This patch splits kvm_vm_ioctl into archtecture independent parts, and
>x86 specific parts which go to kvm_arch_vcpu_ioctl in x86.c.
>The patch has been updated to current git, and it leaves out
>memory slot
>registration work which is currently subject to a detailed discussion.
>
>Common ioctls for all architectures are:
>KVM_CREATE_VCPU, KVM_GET_DIRTY_LOG, KVM_SET_USER_MEMORY_REGION
>
>KVM_SET_USER_MEMORY_REGION implementation is no longer moved to x86.c.
>It seems to me that more fine-grained refinement then just moving the
>code is required here.
>
>x86 specific ioctls are:
>KVM_SET_MEMORY_REGION,
>KVM_GET/SET_NR_MMU_PAGES, KVM_SET_MEMORY_ALIAS, KVM_CREATE_IRQCHIP,
>KVM_CREATE_IRQ_LINE, KVM_GET/SET_IRQCHIP
>KVM_SET_TSS_ADDR
>
>KVM_SET_TSS_ADDR has been added to the list of x86 specifics, as Izik's
>commit states it is used for emulating real mode on intel.
>
Why KVM_IRQ_LINE is X86b specific? The original idea are based on ACPI spec which
I assume to be generic though S390 may not take.

thx,eddie

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