netdev - Re: [PATCH v2] RDMA: Split kernel-only global device caps from uverbs device caps

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Message-ID: <20220406215431.GK2120790@nvidia.com>
Date:   Wed, 6 Apr 2022 18:54:31 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Max Gurtovoy <mgurtovoy@...dia.com>
Cc:     Ariel Elior <aelior@...vell.com>, Anna Schumaker <anna@...nel.org>,
        Jens Axboe <axboe@...com>,
        Christian Benvenuti <benve@...co.com>,
        Potnuri Bharat Teja <bharat@...lsio.com>,
        Bernard Metzler <bmt@...ich.ibm.com>,
        Bart Van Assche <bvanassche@....org>,
        Chuck Lever <chuck.lever@...cle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
        Christoph Hellwig <hch@....de>,
        Keith Busch <kbusch@...nel.org>,
        Chaitanya Kulkarni <kch@...dia.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Leon Romanovsky <leon@...nel.org>, linux-cifs@...r.kernel.org,
        linux-nfs@...r.kernel.org, linux-nvme@...ts.infradead.org,
        linux-rdma@...r.kernel.org,
        Mike Marciniszyn <mike.marciniszyn@...nelisnetworks.com>,
        Michal Kalderon <mkalderon@...vell.com>,
        Mustafa Ismail <mustafa.ismail@...el.com>,
        Nelson Escobar <neescoba@...co.com>, netdev@...r.kernel.org,
        Paolo Abeni <pabeni@...hat.com>, rds-devel@....oracle.com,
        Sagi Grimberg <sagi@...mberg.me>,
        samba-technical@...ts.samba.org,
        Santosh Shilimkar <santosh.shilimkar@...cle.com>,
        Selvin Xavier <selvin.xavier@...adcom.com>,
        Steve French <sfrench@...ba.org>,
        Shiraz Saleem <shiraz.saleem@...el.com>,
        target-devel@...r.kernel.org,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Yishai Hadas <yishaih@...dia.com>,
        Zhu Yanjun <zyjzyj2000@...il.com>
Subject: Re: [PATCH v2] RDMA: Split kernel-only global device caps from
 uverbs device caps

On Thu, Apr 07, 2022 at 12:01:44AM +0300, Max Gurtovoy wrote:

> > @@ -267,59 +258,53 @@ enum ib_device_cap_flags {
> >   	 * stag.
> >   	 */
> >   	IB_DEVICE_MEM_MGT_EXTENSIONS = IB_UVERBS_DEVICE_MEM_MGT_EXTENSIONS,
> 
> MEM_MGT_EXTENSIONS is used also in the kernel ULPs (storage)

It is not about where it is used, it is about if it is part of the
uapi or not. Cleanly separating uapi from not uapi

Jason