Re: [PATCH 2/2] arm64: Implement HAVE_LIVEPATCH

[Miroslav Benes]

Hi,

On Fri, 7 Mar 2025, Song Liu wrote:

> This is largely based on [1] by Suraj Jitindar Singh.
> 
> Test coverage:
> 
> - Passed manual tests with samples/livepatch.
> - Passed all but test-kprobe.sh in selftests/livepatch.
>   test-kprobe.sh is expected to fail, because arm64 doesn't have
>   KPROBES_ON_FTRACE.

Correct. The test should take into account and bail out.

> - Passed tests with kpatch-build [2]. (This version includes commits that
>   are not merged to upstream kpatch yet).
> 
> [1] https://lore.kernel.org/all/20210604235930.603-1-surajjs@xxxxxxxxxx/
> [2] https://github.com/liu-song-6/kpatch/tree/fb-6.13
> Cc: Suraj Jitindar Singh <surajjs@xxxxxxxxxx>
> Cc: Torsten Duwe <duwe@xxxxxxx>
> Signed-off-by: Song Liu <song@xxxxxxxxxx>

Acked-by: Miroslav Benes <mbenes@xxxxxxx>

Also as mentioned in the other thread, parts of this patch will go once 
arm64 is converted to generic entry infrastructure.

Thank you,
Miroslav