From: Liu Ping Fan <pingf...@linux.vnet.ibm.com> For those address spaces which want to be able out of big lock, they will be protected by their own local.
Signed-off-by: Liu Ping Fan <pingf...@linux.vnet.ibm.com> --- memory.c | 1 + memory.h | 3 +++ 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/memory.c b/memory.c index 2f68d67..18425fd 100644 --- a/memory.c +++ b/memory.c @@ -1535,6 +1535,7 @@ void memory_listener_unregister(MemoryListener *listener) void address_space_init(AddressSpace *as, MemoryRegion *root) { memory_region_transaction_begin(); + qemu_mutex_init(&as->lock); as->root = root; as->current_map = g_new(FlatView, 1); flatview_init(as->current_map); diff --git a/memory.h b/memory.h index 79393f1..13a9e3e 100644 --- a/memory.h +++ b/memory.h @@ -22,6 +22,7 @@ #include "cpu-common.h" #include "targphys.h" #include "qemu-queue.h" +#include "qemu-thread.h" #include "iorange.h" #include "ioport.h" #include "int128.h" @@ -164,6 +165,7 @@ typedef struct AddressSpace AddressSpace; */ struct AddressSpace { /* All fields are private. */ + QemuMutex lock; const char *name; MemoryRegion *root; struct FlatView *current_map; @@ -801,6 +803,7 @@ void mtree_info(fprintf_function mon_printf, void *f); * * @as: an uninitialized #AddressSpace * @root: a #MemoryRegion that routes addesses for the address space + * @lock: if true, the physmap protected by local lock, otherwise big lock */ void address_space_init(AddressSpace *as, MemoryRegion *root); -- 1.7.4.4