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authorIgor Mammedov <imammedo@redhat.com>2019-10-08 07:33:17 -0400
committerEduardo Habkost <ehabkost@redhat.com>2019-10-23 23:37:42 -0300
commit2def24f159c687328ada923d585307c014c2d095 (patch)
treefd813f2071611f2719adc315104ef261ddf1cc5d /hw
parent6966631c3e1004a1a20bfd01f3c26a403c31f36f (diff)
ppc: rs6000_mc: drop usage of memory_region_allocate_system_memory()
rs6000mc_realize() violates memory_region_allocate_system_memory() contract by calling it multiple times which could break -mem-path. Replace it with plain memory_region_init_ram() instead. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20191008113318.7012-3-imammedo@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/ppc/rs6000_mc.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/hw/ppc/rs6000_mc.c b/hw/ppc/rs6000_mc.c
index df7c0006fc..66b14db5fa 100644
--- a/hw/ppc/rs6000_mc.c
+++ b/hw/ppc/rs6000_mc.c
@@ -144,6 +144,7 @@ static void rs6000mc_realize(DeviceState *dev, Error **errp)
RS6000MCState *s = RS6000MC_DEVICE(dev);
int socket = 0;
unsigned int ram_size = s->ram_size / MiB;
+ Error *local_err = NULL;
while (socket < 6) {
if (ram_size >= 64) {
@@ -165,19 +166,21 @@ static void rs6000mc_realize(DeviceState *dev, Error **errp)
if (s->simm_size[socket]) {
char name[] = "simm.?";
name[5] = socket + '0';
- memory_region_allocate_system_memory(&s->simm[socket], OBJECT(dev),
- name,
- s->simm_size[socket] * MiB);
+ memory_region_init_ram(&s->simm[socket], OBJECT(dev), name,
+ s->simm_size[socket] * MiB, &local_err);
+ if (local_err) {
+ goto out;
+ }
memory_region_add_subregion_overlap(get_system_memory(), 0,
&s->simm[socket], socket);
}
}
if (ram_size) {
/* unable to push all requested RAM in SIMMs */
- error_setg(errp, "RAM size incompatible with this board. "
+ error_setg(&local_err, "RAM size incompatible with this board. "
"Try again with something else, like %" PRId64 " MB",
s->ram_size / MiB - ram_size);
- return;
+ goto out;
}
if (s->autoconfigure) {
@@ -193,6 +196,8 @@ static void rs6000mc_realize(DeviceState *dev, Error **errp)
isa_register_portio_list(ISA_DEVICE(dev), &s->portio, 0x0,
rs6000mc_port_list, s, "rs6000mc");
+out:
+ error_propagate(errp, local_err);
}
static const VMStateDescription vmstate_rs6000mc = {