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[for-1.7,2/2] Revert "exec: limit system memory size"

Message ID 1384085725-23522-3-git-send-email-marcel.a@redhat.com
State New
Headers show

Commit Message

Marcel Apfelbaum Nov. 10, 2013, 12:15 p.m. UTC 
From: "Michael S. Tsirkin" <mst@redhat.com>

This reverts commit 818f86b88394b7b2b59d313e51043fe15a8004db.

This was a work-around for bugs elsewhere in the system,
exposed by commit a53ae8e934cd54686875b5bcfc2f434244ee55d6:
    "hw/pci: partially handle pci master abort"
since that's reverted now, the work-around is not required for 1.7
anymore.
The proper fix is supporting full 64 bit addresses in the radix tree.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
---
 exec.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)
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Patch

diff --git a/exec.c b/exec.c
index 79610ce..b453713 100644
--- a/exec.c
+++ b/exec.c
@@ -1741,12 +1741,7 @@  void address_space_destroy_dispatch(AddressSpace *as)
 static void memory_map_init(void)
 {
     system_memory = g_malloc(sizeof(*system_memory));
-
-    assert(TARGET_PHYS_ADDR_SPACE_BITS <= 64);
-
-    memory_region_init(system_memory, NULL, "system",
-                       TARGET_PHYS_ADDR_SPACE_BITS == 64 ?
-                       UINT64_MAX : (0x1ULL << TARGET_PHYS_ADDR_SPACE_BITS));
+    memory_region_init(system_memory, NULL, "system", INT64_MAX);
     address_space_init(&address_space_memory, system_memory, "memory");
 
     system_io = g_malloc(sizeof(*system_io));