Date: Mon, 19 Apr 2004 13:55:03 -0400
From: Joe Korty <joe.korty@ccur.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: siginfo & 32 bits compat, what is the story ?
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On Mon, Apr 19, 2004 at 05:35:55PM +1000, Benjamin Herrenschmidt wrote:
> So I've been playing around the siginfo copy code for 32 bits
> processes on ppc64 and found some interesting stuffs that I don't
> know how to fix at this point.
> 
> I looked at x86-64, and they always copy/convert those 3 fields,
> never copy the rest of the siginfo. I looked at s390 and they do
> the opposite: just copy the rest of the structure...

I believe the x86_64 method is correct.

It might be worth moving this compatibility code to a
common place where all architectures could reference it.

Joe
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