Re: [PATCH bpf-next v3 00/17] Exceptions - 1/2

Puranjay Mohan
2023-09-12T23:53:42Z

Hi,

On Wed, Sep 13, 2023 at 1:32 AM Kumar Kartikeya Dwivedi
<memxor@gmail.com> wrote:
>
> This series implements the _first_ part of the runtime and verifier
> support needed to enable BPF exceptions. Exceptions thrown from programs
> are processed as an immediate exit from the program, which unwinds all
> the active stack frames until the main stack frame, and returns to the
> BPF program's caller. The ability to perform this unwinding safely
> allows the program to test conditions that are always true at runtime
> but which the verifier has no visibility into.

I am working with Kartikeya on enabling this on ARM64.

Here is the patch:
https://lore.kernel.org/bpf/20230912233942.6734-1-puranjay12@gmail.com/

Thanks,
Puranjay