With the next patch, the memory API will complain if the TARGET_PHYS_ADDR_SPACE_BITS gets dangerously close to an overflow. s390x can handle up to 64 bit of physical address space from its page tables, but we never use that much. Just decrease the value.
Cc: Alexander Graf <ag...@suse.de> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> --- target-s390x/cpu.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h index 0ce82cf..6304c4d 100644 --- a/target-s390x/cpu.h +++ b/target-s390x/cpu.h @@ -34,7 +34,10 @@ #include "exec/cpu-defs.h" #define TARGET_PAGE_BITS 12 -#define TARGET_PHYS_ADDR_SPACE_BITS 64 +/* Actually 64-bits, limited by the memory API to 62 bits. We + * never use that much. + */ +#define TARGET_PHYS_ADDR_SPACE_BITS 62 #define TARGET_VIRT_ADDR_SPACE_BITS 64 #include "exec/cpu-all.h" -- 1.8.1.4