ARM: 6490/1: MM: bugfix: initialize spinlock for init_mm.context

[linux-beck.git] / arch / arm / include / asm / mmu.h

diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index 68870c7766712a4778b32278e64f82484d12f5e5..b4ffe9d5b5262bbdf01f82218144d74d0823005c 100644 (file)
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -13,6 +13,10 @@ typedef struct {
 
 #ifdef CONFIG_CPU_HAS_ASID
 #define ASID(mm)       ((mm)->context.id & 255)
+
+/* init_mm.context.id_lock should be initialized. */
+#define INIT_MM_CONTEXT(name)                                                 \
+       .context.id_lock    = __SPIN_LOCK_UNLOCKED(name.context.id_lock),
 #else
 #define ASID(mm)       (0)
 #endif