Changeset 1295a1da in mainline for kernel/generic/include/lib/ra.h

Timestamp:

2012-05-06T17:27:16Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

25ebfbd

Parents:

caed0279

Message:

Make the ra_arena_t spinlock IRQ save.

• The lock is currently being taken by code which performs TLB shootdown sequence and hence it could create a deadlock situation.

File:

• kernel/generic/include/lib/ra.h (modified) (1 diff)

kernel/generic/include/lib/ra.h

@@ -42 +42 @@
 
 typedef struct {
-        SPINLOCK_DECLARE(lock);
+        IRQ_SPINLOCK_DECLARE(lock);
         list_t spans;           /**< List of arena's spans. */
 } ra_arena_t;