Re: [PATCH riscv-next] riscv: bpf: Fix eBPF's exception tables

From: Palmer Dabbelt
Date: Wed Jan 19 2022 - 13:04:35 EST


On Wed, 19 Jan 2022 07:59:40 PST (-0800), Bjorn Topel wrote:
On Wed, 19 Jan 2022 at 16:42, Daniel Borkmann <daniel@xxxxxxxxxxxxx> wrote:

[...]
> AFAIK, Jisheng's extable work is still in Palmer's for-next tree.
>
> Daniel/Alexei: This eBPF must follow commit 1f77ed9422cb ("riscv:
> switch to relative extable and other improvements"), which is in
> Palmer's tree. It cannot go via bpf-next.

Thanks for letting us know, then lets route this fix via Palmer. Maybe he could
also add Fixes tags when applying, so stable can pick it up later on.


It shouldn't have a fixes-tag, since it's a new feature for RV. This
was adapting to that new feature. It hasn't made it upstream yet (I
hope!).

That was actually just merged this morning into Linus' tree. I'm still happy to take the fix via my tree, but you're welcome to take it via a BPF tree as well. I'm juggling some other patches right now, just LMK what works on your end.

IMO it should have a fixes tag: it's a bit of a grey area, but one something's in I generally try and put those tags on it. That way folks who try and backport features at least have a shot at finding the fix (or at least, finding the fix without chasing around the bug ;)).

I also tried poking you guys on the BPF Slack, but I don't really use it and I'm not sure if anyone else does either.