Messages in this thread | | | Date | Mon, 6 Feb 2012 16:39:48 -0800 | From | Tejun Heo <> | Subject | Re: [patch]block: fix ioc locking warning |
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Hello,
On Tue, Feb 07, 2012 at 08:31:22AM +0800, Shaohua Li wrote: > Since you are talking about performance, one of our microbenchmark (swap) > shows a regression. Alex bisect it to be b2efa05265d62bc2, which is related to > the ioc change. A little strange to me, don't expect such change can cause > performance issue. I haven't double check the issue, but if you have > ideas, please let me know.
Hmmm... I think the only thing which can be made slower by that patch is ioc release (ie. task exits). What does the microbench do?
Thanks.
-- tejun
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