Re: [PATCH 2/2] x86/cfi,bpf: Fix BPF JIT call

[Sami Tolvanen]

On Wed, Nov 22, 2023 at 3:15 AM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> So the kCFI thing is 'new' but readily inspected by objdump or godbolt:
>
>   https://godbolt.org/z/sGe18z3ca
>
> (@Sami, that .Ltmp15 thing, I don't see that in the kernel, what
> compiler flag makes that go away?)

Hmm, that looks like that's what we emit to .kcfi_traps. I suppose
Godbolt just doesn't show the section directives?

https://github.com/llvm/llvm-project/blob/main/llvm/test/CodeGen/X86/kcfi.ll#L30

Sami