KVM: x86: increase recommended max vcpus to 160

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Increase recommended max vcpus from 64 to 160 (tested internally
at Red Hat).

Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx>

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 4610166..782d973 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -29,7 +29,7 @@
 #include <asm/msr-index.h>
 
 #define KVM_MAX_VCPUS 254
-#define KVM_SOFT_MAX_VCPUS 64
+#define KVM_SOFT_MAX_VCPUS 160
 #define KVM_MEMORY_SLOTS 32
 /* memory slots that does not exposed to userspace */
 #define KVM_PRIVATE_MEM_SLOTS 4

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