selftests/bpf: Emit nop,nop5 instructions combo for x86_64 arch

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Syncing latest usdt.h change [1].

Now that we have nop5 optimization support in kernel, let's emit
nop,nop5 for usdt probe. We leave it up to the library to use
desirable nop instruction.

[1] c9865d1589
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20260224103915.1369690-4-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Jiri Olsa 2026-02-24 11:39:13 +01:00 • committed by Alexei Starovoitov

parent 41a5c7df44

commit 0c178e9deb

1 changed files with 2 additions and 0 deletions

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tools/testing/selftests/bpf/usdt.h

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