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Message-Id: <200911072212.57645.arnd@arndb.de> Date: Sat, 7 Nov 2009 22:12:57 +0100 From: Arnd Bergmann <arnd@...db.de> To: "Rafael J. Wysocki" <rjw@...k.pl> Cc: Pavel Machek <pavel@....cz>, Thomas Gleixner <tglx@...utronix.de>, LKML <linux-kernel@...r.kernel.org>, Thierry Vignaud <tvignaud@...driva.com>, bugzilla-daemon@...zilla.kernel.org Subject: Re: [Bug 14537] New: missing compat_ioctl on x86_64 On Saturday 07 November 2009, Rafael J. Wysocki wrote: > 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. Right, but that doesn't imply dropping support for something that is working right now. The interesting case is people upgrading the user space or the kernel without breaking stuff. Arnd <>< -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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