Changeset 208259c in mainline for arch/ia64/src/proc/scheduler.c

Timestamp:

2006-06-09T12:51:12Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

92922e6

Parents:

22870b2

Message:

On ia64, purge DTR entry before overwriting it with new contents.

File:

• arch/ia64/src/proc/scheduler.c (modified) (1 diff)

arch/ia64/src/proc/scheduler.c

@@ -54 +54 @@
                  * Use DTR[TR_KSTACK1] and DTR[TR_KSTACK2] to map it.
                  */
+                 
+                /* purge DTR[TR_STACK1] and DTR[TR_STACK2] */
+                dtr_purge((__address) THREAD->kstack, PAGE_WIDTH+1);
+                
+                /* insert DTR[TR_STACK1] and DTR[TR_STACK2] */
                 dtlb_kernel_mapping_insert((__address) THREAD->kstack, KA2PA(THREAD->kstack), true, DTR_KSTACK1);
                 dtlb_kernel_mapping_insert((__address) THREAD->kstack + PAGE_SIZE, KA2PA(THREAD->kstack) + FRAME_SIZE, true, DTR_KSTACK2);