Changeset 6d351e6 in mainline

Timestamp:

2016-08-29T07:53:23Z (8 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

bc117a5

Parents:

519a97d

Message:

Revert changeset jakub@…

We will use the possibility to specify a different answerbox for replies
for sending page in and page out requests from the user_backend page
fault handler.

Location:

kernel/generic

Files:

• include/ipc/ipc.h (modified) (1 diff)
• src/ipc/ipc.c (modified) (2 diffs)

kernel/generic/include/ipc/ipc.h

@@ -147 +147 @@
         struct task *sender;
         
+        /*
+         * Answerbox that will receive the answer.
+         * This will most of the times be the sender's answerbox,
+         * but we allow for useful exceptions.
+         */
+        answerbox_t *callerbox;
+
         /** Phone which was used to send the call. */
         phone_t *caller_phone;

kernel/generic/src/ipc/ipc.c

@@ -77 +77 @@
         call->forget = false;
         call->sender = NULL;
+        call->callerbox = &TASK->answerbox;
         call->buffer = NULL;
 }
@@ -220 +221 @@
         spinlock_unlock(&call->forget_lock);
 
-        answerbox_t *callerbox = &call->sender->answerbox;
+        answerbox_t *callerbox = call->callerbox;
         bool do_lock = ((!selflocked) || (callerbox != &TASK->answerbox));