KVM: x86: bump MAX_VCPUS to 288
288 is in high demand because of Knights Landing CPU.
We cannot set the limit to 640k, because that would be wasting space.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 074b5c7..21a40dc 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -34,7 +34,7 @@
#include <asm/asm.h>
#include <asm/kvm_page_track.h>
-#define KVM_MAX_VCPUS 255
+#define KVM_MAX_VCPUS 288
#define KVM_SOFT_MAX_VCPUS 240
#define KVM_USER_MEM_SLOTS 509
/* memory slots that are not exposed to userspace */