Merge branch 'linus' into x86/mm, to refresh the branch and pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 10 insertions, 23 deletions

diff --git a/scripts/gdb/linux/tasks.py b/scripts/gdb/linux/tasks.py
index 17ec19e9b5bf..6793d6e86e77 100644
--- a/scripts/gdb/linux/tasks.py
+++ b/scripts/gdb/linux/tasks.py
@@ -13,7 +13,7 @@
 
 import gdb
 
-from linux import utils
+from linux import utils, lists
 
 
 task_type = utils.CachedType("struct task_struct")
@@ -22,19 +22,15 @@ task_type = utils.CachedType("struct task_struct")
 def task_lists():
     task_ptr_type = task_type.get_type().pointer()
     init_task = gdb.parse_and_eval("init_task").address
-    t = g = init_task
+    t = init_task
 
     while True:
-        while True:
-            yield t
+        thread_head = t['signal']['thread_head']
+        for thread in lists.list_for_each_entry(thread_head, task_ptr_type, 'thread_node'):
+            yield thread
 
-            t = utils.container_of(t['thread_group']['next'],
-                                   task_ptr_type, "thread_group")
-            if t == g:
-                break
-
-        t = g = utils.container_of(g['tasks']['next'],
-                                   task_ptr_type, "tasks")
+        t = utils.container_of(t['tasks']['next'],
+                               task_ptr_type, "tasks")
         if t == init_task:
             return
 
@@ -86,21 +82,12 @@ LxPs()
 
 thread_info_type = utils.CachedType("struct thread_info")
 
-ia64_task_size = None
-
 
 def get_thread_info(task):
     thread_info_ptr_type = thread_info_type.get_type().pointer()
-    if utils.is_target_arch("ia64"):
-        global ia64_task_size
-        if ia64_task_size is None:
-            ia64_task_size = gdb.parse_and_eval("sizeof(struct task_struct)")
-        thread_info_addr = task.address + ia64_task_size
-        thread_info = thread_info_addr.cast(thread_info_ptr_type)
-    else:
-        if task.type.fields()[0].type == thread_info_type.get_type():
-            return task['thread_info']
-        thread_info = task['stack'].cast(thread_info_ptr_type)
+    if task.type.fields()[0].type == thread_info_type.get_type():
+        return task['thread_info']
+    thread_info = task['stack'].cast(thread_info_ptr_type)
     return thread_info.dereference()