Changeset b9a2725 in mainline for kernel/generic/src/ipc/ipc.c

Timestamp:

2018-11-09T22:03:24Z (6 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

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

Children:

c222816

Parents:

c0ea739

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2018-11-09 20:54:46)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2018-11-09 22:03:24)

Message:

Allocate call for ipc_phone_hangup() ahead of time

File:

• kernel/generic/src/ipc/ipc.c (modified) (3 diffs)

kernel/generic/src/ipc/ipc.c

@@ -116 +116 @@
 call_t *ipc_call_alloc(unsigned int flags)
 {
+        // TODO: Allocate call and kobject in single allocation
+
         call_t *call = slab_alloc(call_cache, flags);
         if (!call)
@@ -483 +485 @@
                 kobject_put(phone->kobject);
 
-                call_t *call = ipc_call_alloc(0);
+                call_t *call = phone->hangup_call;
+                phone->hangup_call = NULL;
+                assert(call);
+
                 IPC_SET_IMETHOD(call->data, IPC_M_PHONE_HUNGUP);
                 call->request_method = IPC_M_PHONE_HUNGUP;
@@ -685 +690 @@
                          * to exist as soon as we release it.
                          */
-                        call_t *call = ipc_call_alloc(0);
+                        call_t *call = phone->hangup_call;
+                        phone->hangup_call = NULL;
+                        assert(call);
+
                         IPC_SET_IMETHOD(call->data, IPC_M_PHONE_HUNGUP);
                         call->request_method = IPC_M_PHONE_HUNGUP;