On Thu, 2026-10-08 at 08:51 -0700, Paul E. McKenney wrote:
> On Thu, Oct 08, 2026 at 09:39:29AM +0200, David Woodhouse wrote:
> > If it isn't already too late (i.e. if it hasn't already made it to a
> > tree where changing commit-ids is painful), please could you change my
> > attribution to use the [email protected] email address for both Co-
> > developed-by: and Signed-off-by: tags? I'm fairly sure you made up that
> > Signed-off-by: with the infradead address, which is naughty of you :)
> 
> Indeed, I would have grabbed the first email I could find from you and
> applied the From: field from that email, as opposed to finding the exact
> email containing your prototype of the patch and then locating and copying
> out the Signed-off-by.  And if I were to happen to find the email that
> I am now replying to, I would once again get infradead rather than amazon.
> 
> Apologies, but life was flowing fast, and it probably will be from time
> to time in the future.  So thank you for checking and please continue
> to do so.

Yeah, no problem. I do try to be good and give a SoB even when I'm
throwing out a snippet of code that's *directional* and doesn't even
compile. Mostly because I hate it when I'm on the receiving end of
such, *use* the snippet I'm given, and then have to chase for a real
SoB from a drive-by co-author.

In this case I think it was 
https://lore.kernel.org/all/[email protected]/
which did have them both on the patch itself.

> > I tell people you should only ever cut-and-paste SoB lines, because
> > that way the magic is intact. So here are the two you need for patches
> > 4 and 5 of this series:
> > 
> > Signed-off-by: David Woodhouse <[email protected]>
> > Signed-off-by: David Woodhouse <[email protected]>
> 
> Thank you again, and I have this note to myself for my next rebase:
> 
> a5130cf7b27f ("srcutree: Add an atomic Tree SRCU")
> 85d5f89bdc42 ("srcutiny: Add an atomic Tiny SRCU")
>       Co-developed-by: David Woodhouse <[email protected]>
>       Signed-off-by: David Woodhouse <[email protected]>
> 
> Does that cover it?

Looks good, thanks!

> And while we are discussing, how goes the use case?

It's working well. Torture tests and Sashiko reviews have tweaked it a
bit, and found one issue that was already there in the upstream kernel.
https://git.infradead.org/?p=users/dwmw2/linux.git;a=shortlog;h=refs/heads/gpc-srcu-v2

I've also backported it to a production tree (albeit using non-atomic
SRCU there for now) and it works there too.

I still have to put my own eyes on some of those latest tweaks (and
probably rewrite/decimate the commit messages). Will do so once the
dust settles on the atomic-srcu work and I can rebase on top of a
stable commit. But there's no rush; this whole thing has been on the
back burner for a long time.

Thanks.

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