Messages in this thread | | | Date | Wed, 1 May 2013 21:35:01 +0200 | From | Jens Axboe <> | Subject | Re: [PATCH 8/9] rsxx: Fixes CPU usage issues on RHEL 6 Kernels. |
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On Wed, May 01 2013, Philip J. Kelleher wrote: > Again, thanks for the prompt reply. > > Also, sorry for my poor explaination skills :) > > The RHEL 6.x version of the driver is using the legacy > worqueue create function, 'create_singlethread_workqueue'. > This would cause heavy usage of one CPU if data was being > thrashed pretty hard. So, in order to fix it, workqueues > are now being created with 'create_workqueue' and > synchronization with mutexes.
See, that is what should have been in the changelog!
-- Jens Axboe
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