Re: [tip: perf/core] libbpf: Change has_nop_combo to work on top of nop10
From: Ingo Molnar
Date: Sat Jul 04 2026 - 04:59:51 EST
* tip-bot2 for Jiri Olsa <tip-bot2@xxxxxxxxxxxxx> wrote:
> The following commit has been merged into the perf/core branch of tip:
>
> Commit-ID: c005cd83b07a0ea1ffe3115f321ed3190fb3894b
> Gitweb: https://git.kernel.org/tip/c005cd83b07a0ea1ffe3115f321ed3190fb3894b
> Author: Jiri Olsa <jolsa@xxxxxxxxxx>
> AuthorDate: Fri, 03 Jul 2026 13:49:10 +02:00
> Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> CommitterDate: Fri, 03 Jul 2026 16:30:36 +02:00
>
> libbpf: Change has_nop_combo to work on top of nop10
>
> We now expect nop combo with 10 bytes nop instead of 5 bytes nop,
> fixing has_nop_combo to reflect that.
>
> Fixes: 41a5c7df4466 ("libbpf: Add support to detect nop,nop5 instructions combo for usdt probe")
> Fixes: af734a7ddb4e ("uprobes/x86: Move optimized uprobe from nop5 to nop10")
The second Fixes tag is bogus in this commit too - I fixed it to:
554ba38456da ("uprobes/x86: Move optimized uprobe from nop5 to nop10")
Thanks,
Ingo