Messages in this thread | | | Date | Fri, 10 Feb 2012 13:14:09 +0800 | Subject | Re: [PATCH] block: strip out locking optimization in put_io_context() | From | Shaohua Li <> |
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2012/2/10 Tejun Heo <tj@kernel.org>: > Hello, Shaohua. > > Can you please test the following one? It's probably the simplest > version w/o RCU and wq deferring. RCUfying isn't too bad but I'm > still a bit hesitant because RCU coverage needs to be extended to > request_queue via conditional synchronize_rcu() in queue exit path > (can't enforce delayed RCU free on request_queues and unconditional > synchronize_rcu() may cause excessive delay during boot for certain > configurations). It now can be done in the block core layer proper so > it shouldn't be as bad tho. If this too flops, I'll get to that. doesn't work. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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