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KVM: implement multiple address spaces

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Only two ioctls have to be modified; the address space id is
placed in the higher 16 bits of their slot id argument.

As of this patch, no architecture defines more than one
address space; x86 will be the first.

Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-05-17 17:30:37 +02:00
parent 8e73485c79
commit f481b069e6
5 changed files with 79 additions and 32 deletions
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1
include/uapi/linux/kvm.h
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@ -816,6 +816,7 @@ struct kvm_ppc_smmu_info {
#define KVM_CAP_PPC_HWRNG 115
#define KVM_CAP_DISABLE_QUIRKS 116
#define KVM_CAP_X86_SMM 117
#define KVM_CAP_MULTI_ADDRESS_SPACE 118
#ifdef KVM_CAP_IRQ_ROUTING