Re: [stable] cpumask: fix compat getaffinity

[Arnd Bergmann]

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
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