On May 27, 2021 4:14:17 PM GMT-03:00, Andrii Nakryiko [off-list ref] wrote:

On Thu, May 27, 2021 at 12:06 PM Arnaldo [off-list ref]
wrote:

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On May 27, 2021 1:54:40 PM GMT-03:00, Andrii Nakryiko

[off-list ref] wrote:

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On Thu, May 27, 2021 at 8:20 AM Arnaldo Carvalho de Melo
[off-list ref] wrote:

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Hi guys,

        Its important to have 1.22 out of the door ASAP, so please

clone

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what is in tmp.master and report your results.

Hey Arnaldo,

If we are going to make pahole 1.22 a new mandatory minimal version

of

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pahole, I think we should take a little bit of time and fix another
problematic issue and clean up Kbuild significantly.

We discussed this before, it would be great to have an ability to

dump

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generated BTF into a separate file instead of modifying vmlinux

image

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in place. I'd say let's try to push for [0] to land as a temporary
work around to buy us a bit of time to implement this feature. Then,
when pahole 1.22 is released and packaged into major distros, we can
follow up in kernel with Kbuild clean ups and making pahole 1.22
mandatory.

What do you think? If anyone agrees, please consider chiming in on

the

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above thread ([0]).

There's multiple fixes that affects lots of stakeholders, so I'm more

inclined to release 1.22 sooner rather than later.

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If anyone has cycles right now to work on that detached BTF feature,

releasing 1.23 as soon as that feature is complete and tested shouldn't
be a problem.

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Then 1.23 the mandatory minimal version.

Wdyt?

If we make 1.22 mandatory there will be no good reason to make 1.23
mandatory again. So I will have absolutely no inclination to work on
this, for example. So we are just wasting a chance to clean up the
Kbuild story w.r.t. pahole. And we are talking about just a few days
at most, while we do have a reasonable work around on the kernel side.

So there were patches for stop using objcopy, which we thought could uncover some can of worms, were there patches for the detached BTF  file?

- Arnaldo

-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.