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| author | Igor Mammedov <imammedo@redhat.com> | 2019-10-08 07:33:17 -0400 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2019-10-23 23:37:42 -0300 |
| commit | 2def24f159c687328ada923d585307c014c2d095 (patch) | |
| tree | fd813f2071611f2719adc315104ef261ddf1cc5d /hw/ppc | |
| parent | 6966631c3e1004a1a20bfd01f3c26a403c31f36f (diff) | |
| download | qemu-2def24f159c687328ada923d585307c014c2d095.zip qemu-2def24f159c687328ada923d585307c014c2d095.tar.gz qemu-2def24f159c687328ada923d585307c014c2d095.tar.bz2 | |
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/ppc')
| -rw-r--r-- | hw/ppc/rs6000_mc.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/hw/ppc/rs6000_mc.c b/hw/ppc/rs6000_mc.c index df7c000..66b14db 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 = { |