Re: [PATCH 0/2] arm64: stacktrace: Enable reliable stacktrace

Song Liu <[email protected]> Fri, 20 Jun 2025 13:45:30 -0700

Newsgroups	org.kernel.vger.linux-toolchains,org.infradead.lists.linux-arm-kernel,org.kernel.vger.live-patching
Message-ID	<CAPhsuW4s+vGdMqJiGSvacUtq_-JQeRyk2jqBRPiB=7WBXvpj3A@mail.gmail.com>

Hi Catalin,

Thanks for landing these patches!

On Fri, Jun 20, 2025 at 5:36 AM Catalin Marinas <[email protected]> wrote:
>
> On Wed, 21 May 2025 12:09:58 +0100, Mark Rutland wrote:
> > These patches enable (basic) reliable stacktracing for arm64,
> > terminating at exception boundaries as we do not yet have data necessary
> > to determine whether or not the LR is live.
> >
> > The key changes are in patch 2, which is derived from Song Liu's earlier
> > patch:
> >
> > [...]
>
> Applied to arm64 (for-next/livepatch), thanks!
>
> [1/2] arm64: stacktrace: Check kretprobe_find_ret_addr() return value
>       https://git.kernel.org/arm64/c/beecfd6a88a6
> [2/2] arm64: stacktrace: Implement arch_stack_walk_reliable()
>       https://git.kernel.org/arm64/c/805f13e403cd


At the moment, we still need [1] to enable livepatch for arm64.
Would you mind landing it soon?

Thanks,
Song


[1] https://lore.kernel.org/live-patching/[email protected]/