aboutsummaryrefslogtreecommitdiff
path: root/hw/s390x
diff options
context:
space:
mode:
Diffstat (limited to 'hw/s390x')
-rw-r--r--hw/s390x/s390-virtio-ccw.c30
1 files changed, 3 insertions, 27 deletions
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 8bfb668..18ad279 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -154,39 +154,15 @@ static void virtio_ccw_register_hcalls(void)
virtio_ccw_hcall_early_printk);
}
-/*
- * 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. If we have a guest beyond that we will split off
- * new subregions. The split must happen on a segment boundary (1MB).
- */
-#define KVM_MEM_MAX_NR_PAGES ((1ULL << 31) - 1)
-#define SEG_MSK (~0xfffffULL)
-#define KVM_SLOT_MAX_BYTES ((KVM_MEM_MAX_NR_PAGES * TARGET_PAGE_SIZE) & SEG_MSK)
static void s390_memory_init(ram_addr_t mem_size)
{
MemoryRegion *sysmem = get_system_memory();
- ram_addr_t chunk, offset = 0;
- unsigned int number = 0;
+ MemoryRegion *ram = g_new(MemoryRegion, 1);
Error *local_err = NULL;
- gchar *name;
/* allocate RAM for core */
- name = g_strdup_printf("s390.ram");
- while (mem_size) {
- MemoryRegion *ram = g_new(MemoryRegion, 1);
- uint64_t size = mem_size;
-
- /* KVM does not allow memslots >= 8 TB */
- chunk = MIN(size, KVM_SLOT_MAX_BYTES);
- memory_region_allocate_system_memory(ram, NULL, name, chunk);
- memory_region_add_subregion(sysmem, offset, ram);
- mem_size -= chunk;
- offset += chunk;
- g_free(name);
- name = g_strdup_printf("s390.ram.%u", ++number);
- }
- g_free(name);
+ memory_region_allocate_system_memory(ram, NULL, "s390.ram", mem_size);
+ memory_region_add_subregion(sysmem, 0, ram);
/*
* Configure the maximum page size. As no memory devices were created