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[PATCH] m68k: introduce task_thread_info

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new helper - task_thread_info(task).  On platforms that have thread_info
allocated separately (i.e.  in default case) it simply returns
task->thread_info.  m68k wants (and for good reasons) to embed its thread_info
into task_struct.  So it will (in later patch) have task_thread_info() of its
own.  For now we just add a macro for generic case and convert existing
instances of its body in core kernel to uses of new macro.  Obviously safe -
all normal architectures get the same preprocessor output they used to get.

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2005-11-13 16:06:55 -08:00 • committed by Linus Torvalds
parent 7feacd5334
commit a1261f5461
4 changed files with 15 additions and 13 deletions
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2
kernel/exit.c
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@ -859,7 +859,7 @@ fastcall NORET_TYPE void do_exit(long code)
if (group_dead && tsk->signal->leader)
disassociate_ctty(1);
module_put(tsk->thread_info->exec_domain->module);
module_put(task_thread_info(tsk)->exec_domain->module);
if (tsk->binfmt)
module_put(tsk->binfmt->module);