Re: [PATCH RFCv3 00/23] uprobes: Add support to optimize usdt probes on x86_64

Jiri Olsa
2025-03-20T13:51:28Z

On Thu, Mar 20, 2025 at 01:23:44PM +0100, Oleg Nesterov wrote:
> On 03/20, Jiri Olsa wrote:
> >
> > hi,
> > this patchset adds support to optimize usdt probes on top of 5-byte
> > nop instruction.
>
> Just in case... This series conflicts with (imo very important) changes
> from David,
>
> [PATCH v2 0/3] kernel/events/uprobes: uprobe_write_opcode() rewrite
> https://lore.kernel.org/all/20250318221457.3055598-1-david@redhat.com/
>
> I think they should be merged first.

ok, I'll check on those

thanks,
jirka

>
> (and I am not sure yet, but it seems that we should cleanup (fix?) the
> update_ref_ctr() logic before other changes).
>
> Oleg.
>