Re: [PATCH AUTOSEL for 4.14 015/161] printk: Add console owner and waiter logic to load balance console writes

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On Thu, Apr 19, 2018 at 06:04:26PM +0300, Thomas Backlund wrote:
>Den 19.04.2018 kl. 16:59, skrev Greg KH:
>>Anyway, we are trying not to do this, but it does, and will,
>>occasionally happen.  Look, we just did that for one platform for
>>4.9.94!  And the key to all of this is good testing, which we are now
>>doing, and hopefully you are also doing as well.
>
>Yeah, but having to test stuff with known breakages is no fun, so we 
>try to avoid that

Known breakages are easier to deal with than unknown ones :)

I think that that "bug compatability" is basically a policy on *which*
regressions you'll see vs *if* you'll see a regression.

We'll never pull in a commit that introduces a bug but doesn't fix
another one, right? So if you have to deal with a regression anyway,
might as well deal with a regression that is also seen on mainline, so
that when you upgrade your stable kernel you'll keep the same set of
regressions to deal with.




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