netdev - Re: [PATCH v2] xsk: share the mmap

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Date:   Mon, 11 Feb 2019 20:53:37 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        "David S . Miller" <davem@...emloft.net>,
        Bjorn Topel <bjorn.topel@...el.com>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        netdev@...r.kernel.org, Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH v2] xsk: share the mmap_sem for page pinning

On 02/11/2019 05:15 PM, Davidlohr Bueso wrote:
> Holding mmap_sem exclusively for a gup() is an overkill.
> Lets share the lock and replace the gup call for gup_longterm(),
> as it is better suited for the lifetime of the pinning.
> 
> Cc: David S. Miller <davem@...emloft.net>
> Cc: Bjorn Topel <bjorn.topel@...el.com>
> Cc: Magnus Karlsson <magnus.karlsson@...el.com>
> CC: netdev@...r.kernel.org
> Signed-off-by: Davidlohr Bueso <dbueso@...e.de>

Applied, thanks!