From: Jason Gunthorpe <jgg-uk2M96/98Pc@public.gmane.org>
To: "Liuyixian (Eason)" <liuyixian-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Cc: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH for-next 2/2] RDMA/hns: Fix alignment problem of the doorbell
Date: Thu, 28 Dec 2017 09:00:54 -0700 [thread overview]
Message-ID: <20171228160054.GV25436@ziepe.ca> (raw)
In-Reply-To: <2a0a56fb-1ec8-dfc9-3c29-c9bae7bd9bae-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
On Thu, Dec 28, 2017 at 02:48:10PM +0800, Liuyixian (Eason) wrote:
> And I also find a discussion on the usage of union. It also mentions that
> we can only get the "active" member from an union.
> https://stackoverflow.com/questions/2310483/purpose-of-unions-in-c-and-c
linux requires a compiler that supports the C99 model of allowing type
punning with unions.
Jason
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next prev parent reply other threads:[~2017-12-28 16:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-25 13:37 [PATCH for-next 0/2] Bugfixes for eq support in hns Yixian Liu
[not found] ` <1514209039-9388-1-git-send-email-liuyixian-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2017-12-25 13:37 ` [PATCH for-next 1/2] RDMA/hns: Add detailed comments for mb() call Yixian Liu
[not found] ` <1514209039-9388-2-git-send-email-liuyixian-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2017-12-26 7:37 ` Leon Romanovsky
2017-12-25 13:37 ` [PATCH for-next 2/2] RDMA/hns: Fix alignment problem of the doorbell Yixian Liu
[not found] ` <1514209039-9388-3-git-send-email-liuyixian-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2017-12-26 8:15 ` Leon Romanovsky
[not found] ` <20171226081526.GB10734-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-12-27 10:01 ` Liuyixian (Eason)
[not found] ` <6f657295-ab91-a940-c1d8-8d85dcedb4ea-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2017-12-27 16:44 ` Jason Gunthorpe
[not found] ` <20171227164407.GB25436-uk2M96/98Pc@public.gmane.org>
2017-12-28 6:48 ` Liuyixian (Eason)
[not found] ` <2a0a56fb-1ec8-dfc9-3c29-c9bae7bd9bae-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2017-12-28 8:31 ` Liuyixian (Eason)
2017-12-28 16:00 ` Jason Gunthorpe [this message]
2017-12-27 17:40 ` Ruhl, Michael J
[not found] ` <14063C7AD467DE4B82DEDB5C278E86639F0E6137-AtyAts71sc88Ug9VwtkbtrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2017-12-28 6:51 ` Liuyixian (Eason)
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