[kvm-unit-tests PATCH 1/3] x86: vm: add assert to avoid multiple vm init

[Peter Xu <peterx@xxxxxxxxxx>]

Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
---
 lib/x86/vm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/x86/vm.c b/lib/x86/vm.c
index 906fbf2..f7e778b 100644
--- a/lib/x86/vm.c
+++ b/lib/x86/vm.c
@@ -151,6 +151,7 @@ static void setup_mmu(unsigned long len)
 
 void setup_vm()
 {
+    assert(!end_of_memory);
     end_of_memory = fwcfg_get_u64(FW_CFG_RAM_SIZE);
     free_memory(&edata, end_of_memory - (unsigned long)&edata);
     setup_mmu(end_of_memory);
-- 
2.7.4

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