Kernel space: Interview with Andrew Morton
Andrew Morton is well-known in the kernel community for doing a wide variety of different tasks: maintaining the -mm tree for patches that may be on their way to the mainline, reviewing lots of patches, giving presentations about working with the community, and, in general, handling lots of important and visible kernel development chores. Things are changing in the way he does things, though, so we asked him a few questions by email. He responded at length about the -mm tree and how that is changing with the advent of linux-next, kernel quality, and what folks can do to help make the kernel better.
Years ago, there was a great deal of worry about the possibility of burning out Linus. Life seems to have gotten easier for him since then; now instead, I've heard concerns about burning out Andrew. It seems that you do a lot; how do you keep the pace and how long can we expect you to stay at it?
I do less than I used to. Mainly because I have to - you can't do the same thing at a high level of intensity for over five years and stay sane.
I'm still keeping up with the reviewing and merging but the -mm release periods are now far too long.
There are of course many things which I should do but which I do not.
Over the years my role has fortunately decreased - more maintainers are running their own trees and the introduction of the linux-next tree (operated by Stephen Rothwell) has helped a lot.
The linux-next tree means that 85% of the code which I used to redistribute for external testing is now being redistributed by Stephen. Some time in the next month or two I will dive into my scripts and will find a way to get the sufficiently-stable parts of the -mm tree into linux-next and then I will hopefully be able to stop doing -mm releases altogether.
So. The work level is ramping down, and others are taking things on.
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