From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Arnd Bergmann <arnd@arndb.de>
Subject: Re: [Bug 14537] New: missing compat_ioctl on x86_64
Date: Sat, 7 Nov 2009 22:10:55 +0100
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Cc: Pavel Machek <pavel@ucw.cz>, Thomas Gleixner <tglx@linutronix.de>,
       LKML <linux-kernel@vger.kernel.org>,
       Thierry Vignaud <tvignaud@mandriva.com>,
       bugzilla-daemon@bugzilla.kernel.org
References: <bug-14537-6666@http.bugzilla.kernel.org/> <200911072006.36904.rjw@sisk.pl> <200911072152.56586.arnd@arndb.de>
In-Reply-To: <200911072152.56586.arnd@arndb.de>
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On Saturday 07 November 2009, Arnd Bergmann wrote:
> On Saturday 07 November 2009, Rafael J. Wysocki wrote:
> > > Actually... it would be nice to fix that one day, if someone submitted
> > > nice patch... :-).   
> > 
> > It must be fixed in s2disk first, but that would probably require us to drop
> > support for older kernels.  Which is not unthinkable, but might hurt some
> > users.
> 
> You don't need to drop support for older kernels if s2disk simply tries the
> new interface first and falls back to the current one if that fails.

Compat ioctls support is not possible with the old interface.

Thanks,
Rafael
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