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kvm: make KVM_COALESCED_MMIO_PAGE_OFFSET public

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Its value has never changed; we might as well make it part of the ABI instead
of using the return value of KVM_CHECK_EXTENSION(KVM_CAP_COALESCED_MMIO).

Because PPC does not always make MMIO available, the code has to be made
dependent on CONFIG_KVM_MMIO rather than KVM_COALESCED_MMIO_PAGE_OFFSET.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
This commit is contained in:
Paolo Bonzini
2017-03-31 13:53:23 +02:00
committed by Radim Krčmář
parent 3042255899
commit 4b4357e025
12 changed files with 18 additions and 14 deletions
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include/linux/kvm_host.h
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@@ -403,7 +403,7 @@ struct kvm {
struct kvm_vm_stat stat;
struct kvm_arch arch;
refcount_t users_count;
#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
#ifdef CONFIG_KVM_MMIO
struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
spinlock_t ring_lock;
struct list_head coalesced_zones;