Messages in this thread |  | | Date | Tue, 11 Jan 2011 22:00:05 +0800 | From | Yong Zhang <> | Subject | Re: [PATCH -tip 1/2] [PATCH -tip 1/2] sched: Reinstate group names in /proc/sched_debug. |
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On Tue, Jan 11, 2011 at 07:12:44PM +0530, Bharata B Rao wrote: > The group name is generated in a global buffer which is protected by > this lock. Earlier small sized local buffer (on stack) was used for > this purpose which wasn't ideal. Also since we can be here from > interrupt context, I wanted to avoid allocation too. Hence went for > a global buffer protected by a lock.
Sounds good ;)
BTW, I guess we can also remove rcu_read_lock/unlock() in print_rt_stats() and print_cfs_stats() with sched_debug_lock hold.
Thanks, Yong
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