KVM: Make KVM_PRIVATE_MEM_SLOTS optional
Seems like everyone copied x86 and defined 4 private memory slots that never actually get used. Even x86 only uses 3 of the 4. These aren't exposed so there's no need to add padding. Reviewed-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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@ -24,8 +24,6 @@
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#define __ASM_KVM_HOST_H
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#define KVM_USER_MEM_SLOTS 32
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/* memory slots that does not exposed to userspace */
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#define KVM_PRIVATE_MEM_SLOTS 4
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#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
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@ -38,9 +38,7 @@
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#define KVM_MAX_VCPUS NR_CPUS
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#define KVM_MAX_VCORES NR_CPUS
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#define KVM_USER_MEM_SLOTS 32
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/* memory slots that does not exposed to userspace */
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#define KVM_PRIVATE_MEM_SLOTS 4
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#define KVM_MEM_SLOTS_NUM (KVM_USER_MEM_SLOTS + KVM_PRIVATE_MEM_SLOTS)
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#define KVM_MEM_SLOTS_NUM KVM_USER_MEM_SLOTS
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#ifdef CONFIG_KVM_MMIO
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#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
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@ -21,8 +21,6 @@
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#define KVM_MAX_VCPUS 64
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#define KVM_USER_MEM_SLOTS 32
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/* memory slots that does not exposed to userspace */
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#define KVM_PRIVATE_MEM_SLOTS 4
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struct sca_entry {
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atomic_t scn;
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@ -34,8 +34,8 @@
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#define KVM_MAX_VCPUS 254
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#define KVM_SOFT_MAX_VCPUS 160
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#define KVM_USER_MEM_SLOTS 32
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/* memory slots that does not exposed to userspace */
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#define KVM_PRIVATE_MEM_SLOTS 4
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/* memory slots that are not exposed to userspace */
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#define KVM_PRIVATE_MEM_SLOTS 3
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#define KVM_MEM_SLOTS_NUM (KVM_USER_MEM_SLOTS + KVM_PRIVATE_MEM_SLOTS)
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#define KVM_MMIO_SIZE 16
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@ -313,6 +313,10 @@ struct kvm_irq_routing_table {};
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#endif
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#ifndef KVM_PRIVATE_MEM_SLOTS
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#define KVM_PRIVATE_MEM_SLOTS 0
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#endif
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#ifndef KVM_MEM_SLOTS_NUM
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#define KVM_MEM_SLOTS_NUM (KVM_USER_MEM_SLOTS + KVM_PRIVATE_MEM_SLOTS)
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#endif
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