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From: Peter Zijlstra <peterz@infradead.org>
To: Keno Fischer <keno@juliacomputing.com>
Cc: linux-kernel@vger.kernel.org, vincent.weaver@maine.edu, mingo@redhat.com
Subject: Re: How does the size field work in IOCTL numbers?
Date: Sat, 3 Sep 2016 14:35:44 +0200	[thread overview]
Message-ID: <20160903123544.GE2794@worktop> (raw)
In-Reply-To: <CABV8kRyzR1-0XYjY2i-imU51NF3hkg-HQmvRMVTgggyOyHV2FQ@mail.gmail.com>

On Fri, Sep 02, 2016 at 07:27:27PM -0400, Keno Fischer wrote:
> I don't understand what the rule is for what to put in that third
> argument, or is it ioctl specific? Please let me know if I missed
> something.

You can do whatever you like, but everything that is different between
ILP32 and LP64 requires COMPAT fixups.

      reply	other threads:[~2016-09-03 12:35 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-02 23:27 How does the size field work in IOCTL numbers? Keno Fischer
2016-09-03 12:35 ` Peter Zijlstra [this message]

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