linux-kernel - Re: [PATCH v2 6/7] ocxl: Add an IOCTL so userspace knows what CPU features are available

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Message-Id: <1525740115.7796.46.camel@au1.ibm.com>
Date:   Tue, 08 May 2018 10:41:55 +1000
From:   "Alastair D'Silva" <alastair@....ibm.com>
To:     Frederic Barrat <fbarrat@...ux.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        mikey@...ling.org, vaibhav@...ux.vnet.ibm.com,
        aneesh.kumar@...ux.vnet.ibm.com, malat@...ian.org,
        felix@...ux.vnet.ibm.com, pombredanne@...b.com,
        sukadev@...ux.vnet.ibm.com, npiggin@...il.com,
        gregkh@...uxfoundation.org, arnd@...db.de,
        andrew.donnellan@....ibm.com, fbarrat@...ux.vnet.ibm.com,
        corbet@....net
Subject: Re: [PATCH v2 6/7] ocxl: Add an IOCTL so userspace knows what CPU
 features are available

On Mon, 2018-05-07 at 20:14 +0200, Frederic Barrat wrote:
> 
> Le 18/04/2018 à 03:08, Alastair D'Silva a écrit :
> > From: Alastair D'Silva <alastair@...ilva.org>
> > 
> > In order for a userspace AFU driver to call the Power9 specific
> > OCXL_IOCTL_ENABLE_P9_WAIT, it needs to verify that it can actually
> > make that call.
> > 
> > Signed-off-by: Alastair D'Silva <alastair@...ilva.org>
> > ---
> >   Documentation/accelerators/ocxl.rst |  1 -
> >   drivers/misc/ocxl/file.c            | 25
> > +++++++++++++++++++++++++
> >   include/uapi/misc/ocxl.h            |  4 ++++
> >   3 files changed, 29 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/accelerators/ocxl.rst
> > b/Documentation/accelerators/ocxl.rst
> > index ddcc58d01cfb..7904adcc07fd 100644
> > --- a/Documentation/accelerators/ocxl.rst
> > +++ b/Documentation/accelerators/ocxl.rst
> > @@ -157,7 +157,6 @@ OCXL_IOCTL_GET_METADATA:
> >     Obtains configuration information from the card, such at the
> > size of
> >     MMIO areas, the AFU version, and the PASID for the current
> > context.
> > 
> > -
> 
> 
> Intended?
> 
> Other than that,
> Acked-by: Frederic Barrat <fbarrat@...ux.vnet.ibm.com>
> 

Nope, I'll fix that, thanks.

-- 
Alastair D'Silva
Open Source Developer
Linux Technology Centre, IBM Australiamob: 0423 762 819