diff options
Diffstat (limited to 'target/s390x/kvm.c')
| -rw-r--r-- | target/s390x/kvm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c index 97a662a..c24c869 100644 --- a/target/s390x/kvm.c +++ b/target/s390x/kvm.c @@ -28,6 +28,7 @@ #include "cpu.h" #include "internal.h" #include "kvm_s390x.h" +#include "sysemu/kvm_int.h" #include "qapi/error.h" #include "qemu/error-report.h" #include "qemu/timer.h" @@ -122,6 +123,14 @@ */ #define VCPU_IRQ_BUF_SIZE(max_cpus) (sizeof(struct kvm_s390_irq) * \ (max_cpus + NR_LOCAL_IRQS)) +/* + * KVM does only support memory slots up to KVM_MEM_MAX_NR_PAGES pages + * as the dirty bitmap must be managed by bitops that take an int as + * position indicator. This would end at an unaligned address + * (0x7fffff00000). As future variants might provide larger pages + * and to make all addresses properly aligned, let us split at 4TB. + */ +#define KVM_SLOT_MAX_BYTES (4UL * TiB) static CPUWatchpoint hw_watchpoint; /* @@ -355,6 +364,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) */ /* kvm_vm_enable_cap(s, KVM_CAP_S390_AIS, 0); */ + kvm_set_max_memslot_size(KVM_SLOT_MAX_BYTES); return 0; } |