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hostmem-ram: don't exit qemu if size of memory-backend-ram is way too big

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When using monitor command object_add to add a memory backend whose
size is way too big to allocate memory for it, qemu just exits. In
the case we'd better give an error message and keep guest running.

The problem can be reproduced as follows:

1. run qemu
2. (monitor)object_add memory-backend-ram,size=100000G,id=ram0

Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Hu Tao 2014-09-09 13:27:58 +08:00 committed by Paolo Bonzini
parent 33e0eb5297
commit d42e2de7bc
1 changed files with 1 additions and 1 deletions
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2
backends/hostmem-ram.c
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@ -27,7 +27,7 @@ ram_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
path = object_get_canonical_path_component(OBJECT(backend)); path = object_get_canonical_path_component(OBJECT(backend));
memory_region_init_ram(&backend->mr, OBJECT(backend), path, memory_region_init_ram(&backend->mr, OBJECT(backend), path,
backend->size, &error_abort); backend->size, errp);
g_free(path); g_free(path);
} }