linux-kernel - Re: [PATCH] LinuxPPS (with new syscalls API)

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Message-Id: <1183135253.17622.5.camel@shinybook.infradead.org>
Date:	Fri, 29 Jun 2007 17:40:52 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Rodolfo Giometti <giometti@...eenne.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] LinuxPPS (with new syscalls API) - new version

On Fri, 2007-06-29 at 18:34 +0200, Rodolfo Giometti wrote:
> Gulp! Can you please give me some advices in order to solve also this
> problem? Should I use some "ifdef CONFIG_COMPAT" into those
> structures? :-o 

Remember you have to support _both_ 32-bit and 64-bit system calls. You
need to define struct compat_pps_info and struct compat_pps_params, and 
you'll have to provide a compat wrapper for sys_time_pps_getparams() and
sys_time_pps_setparams(). You'll also need to extend your
compat_sys_time_pps_fetch() wrapper to handle the struct pps_info too.

-- 
dwmw2

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