netdev - Re: [PATCH V2 net 1/1] smc: switch to usage of IB_PD_UNSAFE_GLOBAL

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Message-ID: <20170514060117.GA23423@lst.de>
Date:   Sun, 14 May 2017 08:01:17 +0200
From:   Christoph Hellwig <hch@....de>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Ursula Braun <ubraun@...ux.vnet.ibm.com>, davem@...emloft.net,
        hch@....de, netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        linux-s390@...r.kernel.org, jwi@...ux.vnet.ibm.com,
        schwidefsky@...ibm.com, heiko.carstens@...ibm.com,
        raspl@...ux.vnet.ibm.com
Subject: Re: [PATCH V2 net 1/1] smc: switch to usage of
        IB_PD_UNSAFE_GLOBAL_RKEY

On Sat, May 13, 2017 at 02:29:48PM +0300, Leon Romanovsky wrote:
> I'm glad that you moved to use IB_PD_UNSAFE_GLOBAL_RKEY, so the users
> will see the warning in their dmesg log.
> 
> However can you please update your commit log? There is need to add
> description of security issue (access to whole physical memory), clear
> message that doesn't fix anything and remove mentioning unpredictable
> future (... as soon as possible ...).

Yes, please.