Re: linux-next: question about the luto-misc tree

From: Andy Lutomirski
Date: Sun Dec 14 2014 - 12:41:32 EST

On Sun, Dec 14, 2014 at 9:37 AM, Paul E. McKenney
<paulmck@xxxxxxxxxxxxxxxxxx> wrote:
> On Sun, Dec 14, 2014 at 08:29:33AM -0800, Andy Lutomirski wrote:
>> On Sun, Dec 14, 2014 at 4:03 AM, Paul E. McKenney
>> <paulmck@xxxxxxxxxxxxxxxxxx> wrote:
>> > On Sat, Dec 13, 2014 at 11:26:36PM -0800, Andy Lutomirski wrote:
>> >> On Dec 13, 2014 10:58 PM, "Stephen Rothwell" <sfr@xxxxxxxxxxxxxxxx> wrote:
>> >> >
>> >> > Hi Andy,
>> >> >
>> >> > The luto-misc tree seems to have a whole series of commits in it that
>> >> > have just bee removed from the rcu tree ... You really have to be very
>> >> > careful if you base your work on a tree that is regularly rebased.
>> >>
>> >> Hmm. They were there a couple days ago. Paul, what should I do about
>> >> this? I only need the one NMI nesting change for the stuff in
>> >> luto/next.
>> >>
>> >> > I also wonder if the other commits in that tree are destined for
>> >> > v3.19? If they are for v3.20, then they should not be in linux-next
>> >> > until after v3.19-rc1 has been released.
>> >>
>> >> They're for 3.20. I'll drop the whole series from the next branch for now.
>> >
>> > You mean the NMI nesting change below, correct? One approach would be
>> > to include the branch rcu/dev from my -rcu tree. Would that work for you?
>> That would work.
>> The problem is that, if you rebase again and I don't notice, then
>> it'll generate a pile of conflicts. Is there someway that I can flag
>> my next tree as depending on a certain commi existing in another tree
>> so that the scripts that generate linux-next will ignore it if the
>> base commit goes away?
> The commits would still stick around because I keep date-encoded branches.
> But just to make things easier, I created a andy.2014.11.21a branch that
> points to the current commit and will stay there. Please let me know how
> it goes.

That's the same commit that's in rcu/dev and was in luto/next, I
think. Is the issue just that you pulled the whole thing from
whichever linux-rcu branch is in -next, but I still had it, so it
caused a problem?

In any case, I'll wait for 3.19-rc1 before re-adding any of this.


> Thanx, Paul

Andy Lutomirski
AMA Capital Management, LLC
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