Messages in this thread |  | | | Date | Tue, 29 Mar 2011 17:41:21 +0800 | | From | Lai Jiangshan <> | | Subject | Re: [RFC PATCH 4/5] RCU: Add TASK_RCU_OFFSET |
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On 03/28/2011 04:35 PM, Jan Beulich wrote: >>>> On 28.03.11 at 05:00, Lai Jiangshan <laijs@cn.fujitsu.com> wrote: >> >> We can not include linux/sched.h in linux/rcupdate.h. >> If we access task's task_rcu_strut without linux/sched.h included, >> We will failed with compiling error. >> >> So we add TASK_RCU_OFFSET, which help us access >> task's task_rcu_strut without linux/sched.h included. >> Now, task_rcu_struct(), current_task_rcu_struct(), task_of_task_rcu() and >> rcu_copy_process() can be used anywhere without linux/sched.h included. > > Aren't the offsets-generation methods meant for assembly > consumption only? Header dependency problems normally can > be solved by splitting headers into a type declaration one and > a second one carrying inline function implementations. Is that > indeed completely impossible here? >
That will need to split >100 header files, it is almost impossible.
Thanks, Lai
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