Re: [PATCH bpf] s390/bpf: Pass through tail call counter in trampolines

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Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:

On Wed,  6 Sep 2023 02:44:19 +0200 you wrote:
> s390x eBPF programs use the following extension to the s390x calling
> convention: tail call counter is passed on stack at offset
> STK_OFF_TCCNT, which callees otherwise use as scratch space.
> 
> Currently trampoline does not respect this and clobbers tail call
> counter. This breaks enforcing tail call limits in eBPF programs, which
> have trampolines attached to them.
> 
> [...]

Here is the summary with links:
  - [bpf] s390/bpf: Pass through tail call counter in trampolines
    https://git.kernel.org/bpf/bpf/c/a192103a1146

You are awesome, thank you!
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