Re: [PATCH bpf-next v3 1/2] arm64: stacktrace: Implement arch_bpf_stack_walk() for the BPF JIT

[Catalin Marinas]

On Thu, Feb 22, 2024 at 06:04:35PM -0800, Alexei Starovoitov wrote:
> On Thu, Feb 22, 2024 at 11:28 AM Catalin Marinas
> <catalin.marinas@xxxxxxx> wrote:
> > On Thu, Feb 01, 2024 at 12:52:24PM +0000, Puranjay Mohan wrote:
> > > This will be used by bpf_throw() to unwind till the program marked as
> > > exception boundary and run the callback with the stack of the main
> > > program.
> > >
> > > This is required for supporting BPF exceptions on ARM64.
> > >
> > > Signed-off-by: Puranjay Mohan <puranjay12@xxxxxxxxx>
> > > ---
> > >  arch/arm64/kernel/stacktrace.c | 26 ++++++++++++++++++++++++++
> > >  1 file changed, 26 insertions(+)
[...]
> > I guess you want this to be merged via the bpf tree?
> 
> We typically take bpf jit patches through bpf-next, since
> we do cross arch jits refactoring from time to time,
> but nothing like this is pending for this merge window,
> so if you want it to go through arm64 tree that's fine with us.

I don't have any preference. I can add it on top of the other arm64
patches if there are no dependencies on it from your side.

-- 
Catalin