Re: [PATCH v6 07/13] block: Add PCI P2P flag for request queue and check support for requests
From: Jens Axboe
Date: Wed Sep 12 2018 - 20:28:57 EST
On 9/12/18 6:11 PM, Logan Gunthorpe wrote:
> QUEUE_FLAG_PCI_P2P is introduced meaning a driver's request queue
> supports targeting P2P memory.
>
> When a request is submitted we check if PCI P2PDMA memory is assigned
> to the first page in the bio. If it is, we ensure the queue it's
> submitted to supports it, and enforce REQ_NOMERGE.
This changelog is no longer accurate.
--
Jens Axboe