From: Jason Gunthorpe <jgg-uk2M96/98Pc@public.gmane.org>
To: Yixian Liu <liuyixian-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Cc: leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v2 for-next 1/2] RDMA/hns: Add detailed comments for mb() call
Date: Wed, 27 Dec 2017 09:45:51 -0700 [thread overview]
Message-ID: <20171227164551.GC25436@ziepe.ca> (raw)
In-Reply-To: <1514372644-171663-2-git-send-email-liuyixian-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
On Wed, Dec 27, 2017 at 07:04:03PM +0800, Yixian Liu wrote:
> This patch adds more detailed comments when we call the
> memory barrier function, such as rmb, wmb and mb. Three
> mb() callers are deleted since they are unnecessary.
Are you sure none of these need to be dma_*mb ?
Jason
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next prev parent reply other threads:[~2017-12-27 16:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-27 11:04 [PATCH v2 for-next 0/2] Bugfixes for eq support in hns Yixian Liu
[not found] ` <1514372644-171663-1-git-send-email-liuyixian-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2017-12-27 11:04 ` [PATCH v2 for-next 1/2] RDMA/hns: Add detailed comments for mb() call Yixian Liu
[not found] ` <1514372644-171663-2-git-send-email-liuyixian-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2017-12-27 16:45 ` Jason Gunthorpe [this message]
[not found] ` <20171227164551.GC25436-uk2M96/98Pc@public.gmane.org>
2017-12-28 13:13 ` Liuyixian (Eason)
2017-12-27 11:04 ` [PATCH v2 for-next 2/2] RDMA/hns: Fix alignment problem of the doorbell Yixian Liu
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