Changeset f619ec11 in mainline for kernel/generic/src/ddi/irq.c

Timestamp:

2007-02-03T21:26:54Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

cf5ddf6

Parents:

80bcaed

Message:

When clock() is called by an external interrupt dispatched by the IRQ dispatcher,
no spinlock can be held or the kernel will not be preemptive. This fixes Ticket #24.

Formating and indentation fixes.

File:

• kernel/generic/src/ddi/irq.c (modified) (2 diffs)

kernel/generic/src/ddi/irq.c

@@ -303 +303 @@
         spinlock_lock(&irq->lock);
         if (devno == -1) {
-                /* Invoked by irq_dispatch(). */
+                /* Invoked by irq_dispatch_and_lock(). */
                 rv = ((irq->inr == inr) && (irq->claim() == IRQ_ACCEPT));
         } else {
-                /* Invoked by irq_find(). */
+                /* Invoked by irq_find_and_lock(). */
                 rv = ((irq->inr == inr) && (irq->devno == devno));
         }
@@ -362 +362 @@
         spinlock_lock(&irq->lock);
         if (devno == -1) {
-                /* Invoked by irq_dispatch() */
+                /* Invoked by irq_dispatch_and_lock() */
                 rv = (irq->claim() == IRQ_ACCEPT);
         } else {
-                /* Invoked by irq_find() */
+                /* Invoked by irq_find_and_lock() */
                 rv = (irq->devno == devno);
         }