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From: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Jason Gunthorpe <jgg-uk2M96/98Pc@public.gmane.org>
Cc: "Amrani,
	Ram" <Ram.Amrani-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>,
	"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"Elior,
	Ariel" <Ariel.Elior-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>,
	"Kalderon,
	Michal" <Michal.Kalderon-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>,
	Matan Barak <matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Bodong Wang <bodong-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: How far back does rdma-core X supports the kernel Y?
Date: Thu, 2 Nov 2017 07:54:33 +0200	[thread overview]
Message-ID: <20171102055433.GV16127@mtr-leonro.local> (raw)
In-Reply-To: <20171101173324.GF1030-uk2M96/98Pc@public.gmane.org>

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On Wed, Nov 01, 2017 at 11:33:24AM -0600, Jason Gunthorpe wrote:
> On Wed, Nov 01, 2017 at 05:27:22PM +0000, Amrani, Ram wrote:
>
> > Also, currently they are marked in ib_verbs.h as reserved. This is misleading as
> > it hints they are for future use. We should mark them as don't ever use.
>
> We have tended to use reserved to mean dont use. Someone should
> inspect the git history before trying to use a reserved value..

Why don't we properly export these defines in uapi/rdma/ib_user_verbs.h?

The fact that change in internal to kernel value breaks user space
shows that interface between user-space (rdma-core) <-> kernel needs
improvement in sharing of the headers.

Thanks

>
> Jason
> --
> To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

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  parent reply	other threads:[~2017-11-02  5:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-01 12:07 How far back does rdma-core X supports the kernel Y? Amrani, Ram
     [not found] ` <BN3PR07MB2578883C85DD3855C496F367F85F0-EldUQEzkDQfpW3VS/XPqkOFPX92sqiQdvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-01 16:39   ` Jason Gunthorpe
     [not found]     ` <20171101163915.GB1030-uk2M96/98Pc@public.gmane.org>
2017-11-01 17:27       ` Amrani, Ram
     [not found]         ` <BN3PR07MB257867500E3A15914B2AD075F85F0-EldUQEzkDQfpW3VS/XPqkOFPX92sqiQdvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-01 17:33           ` Jason Gunthorpe
     [not found]             ` <20171101173324.GF1030-uk2M96/98Pc@public.gmane.org>
2017-11-02  5:54               ` Leon Romanovsky [this message]
2017-11-02  7:01               ` Amrani, Ram
     [not found]                 ` <BN3PR07MB257829836974C1D0F1257387F85C0-EldUQEzkDQfpW3VS/XPqkOFPX92sqiQdvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-02 21:35                   ` Jason Gunthorpe
2017-11-01 17:28       ` Yishai Hadas
     [not found]         ` <287a10c2-15a7-0748-c59e-3f084e7538f4-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-11-01 18:00           ` Jason Gunthorpe
     [not found]             ` <20171101180001.GH1030-uk2M96/98Pc@public.gmane.org>
2017-11-01 18:22               ` Yishai Hadas
     [not found]                 ` <3424c3a1-22cb-7330-81d6-0e1bf45ab755-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-11-01 18:53                   ` Jason Gunthorpe
     [not found]                     ` <20171101185319.GK1030-uk2M96/98Pc@public.gmane.org>
2017-11-02  6:55                       ` Amrani, Ram

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