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s390x/s390-skeys: prepare for memory devices

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With memory devices, we will have storage keys for memory that
exceeds the initial ram size.

The TODO already states that current handling is subopimal,
but we won't worry about improving that (TCG-only) thing for now.

Message-ID: <20241219144115.2820241-10-david@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand 2024-12-19 15:41:10 +01:00
parent 241e6b2d27
commit d1e3c2ac41
1 changed files with 3 additions and 3 deletions
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6
hw/s390x/s390-skeys.c
View file

@ -11,7 +11,7 @@
#include "qemu/osdep.h"
#include "qemu/units.h"
#include "hw/boards.h"
#include "hw/s390x/s390-virtio-ccw.h"
#include "hw/qdev-properties.h"
#include "hw/s390x/storage-keys.h"
#include "qapi/error.h"
@ -251,9 +251,9 @@ static bool qemu_s390_enable_skeys(S390SKeysState *ss)
* g_once_init_enter() is good enough.
*/
if (g_once_init_enter(&initialized)) {
MachineState *machine = MACHINE(qdev_get_machine());
S390CcwMachineState *s390ms = S390_CCW_MACHINE(qdev_get_machine());
skeys->key_count = machine->ram_size / TARGET_PAGE_SIZE;
skeys->key_count = s390_get_memory_limit(s390ms) / TARGET_PAGE_SIZE;
skeys->keydata = g_malloc0(skeys->key_count);
g_once_init_leave(&initialized, 1);
}