Changeset 9a61ba5 in mainline for kernel/generic/src/main/uinit.c

Timestamp:

2009-07-13T19:34:44Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

716fb9d

Parents:

450448d

Message:

IRQ-safe switch to userspace.

File:

• kernel/generic/src/main/uinit.c (modified) (1 diff)

kernel/generic/src/main/uinit.c

@@ -80 +80 @@
 
         free((uspace_arg_t *) arg);
+        
+        /*
+         * Disable interrupts so that the execution of userspace() is not
+         * disturbed by any interrupts as some of the userspace()
+         * implementations will switch to the userspace stack before switching
+         * the mode.
+         */
+        (void) interrupts_disable();
         userspace(&uarg);
 }