linux-kernel - Re: [PATCH 17/17] arm64: Do not expose PCI mmap through procfs

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Date:   Wed, 22 Mar 2017 14:04:33 +0000
From:   David Woodhouse <dwmw2@...radead.org>
To:     Sinan Kaya <okaya@...eaurora.org>, linux-pci@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Will Deacon <will.deacon@....com>
Subject: Re: [PATCH 17/17] arm64: Do not expose PCI mmap through procfs

On Wed, 2017-03-22 at 09:54 -0400, Sinan Kaya wrote:
> On 3/22/2017 9:25 AM, David Woodhouse wrote:
> > 
> >  
> > +#ifdef __aarch64__
> > +/* ARM64 wants to be special and not expose this through /proc
> > like everyone else */
> > +#undef HAVE_PCI_MMAP
> > +#endif
> > +
> Where is this ARM64 special requirement coming from?

The idea is that as a new platform, ARM64 shouldn't need to implement
legacy userspace interfaces.

http://lists.infradead.org/pipermail/linux-arm-kernel/2016-April/422571.html

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