Messages in this thread | | | Date | Thu, 13 Mar 2014 15:02:45 -0600 | From | Jens Axboe <> | Subject | Re: [PATCH] mtip32xx: mtip_async_complete() bug fixes |
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On 03/13/2014 03:09 PM, Sam Bradshaw wrote: > This patch fixes 2 issues in the fast completion path: > 1) Possible double completions / double dma_unmap_sg() calls due to lack > of atomicity in the check and subsequent dereference of the upper layer > callback function. Fixed with cmpxchg before unmap and callback. > 2) Regression in unaligned IO constraining workaround for p420m devices. > Fixed by checking if IO is unaligned and using proper semaphore if so.
Sam, what is this patch against? It doesn't apply to -rc6 and it doesn't apply to for-3.15/drivers (the latter would be preferred/required). It also seems to have line break issues.
-- Jens Axboe
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