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Message-Id: <201005112013.56392.arnd@arndb.de> Date: Tue, 11 May 2010 20:13:55 +0200 From: Arnd Bergmann <arnd@...db.de> To: Greg KH <greg@...ah.com> Cc: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, Rusty Russell <rusty@...tcorp.com.au>, linux-kernel@...r.kernel.org, Ken Werner <ken.werner@....de>, Andi Kleen <andi@...stfloor.org>, stable@...nel.org Subject: Re: [stable] cpumask: fix compat getaffinity On Tuesday 11 May 2010 17:20:02 Greg KH wrote: > > AFAIK, -stable is mainly used for distro and they have many and many > > packages. we can't assume no app read /sys files directly. > > IOW, To change /sys printing format is a bit risky change. frequently > > compatibility breaking natually break code stability. > > Ah, the sysfs user/kernel API is what you are referring to here, right? > If so, remember, any changes need to be documented in Documentation/API > :) > And as for distros using -stable for their releases, that's fine, they > well know the risks/benefits for that and handle changes on their own. Would it make sense to use my initial patch for -stable, which reverts the ABI back to before the change that caused the problem, but apply the correct fix (changing the ABI throughout) for future releases? 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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