From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-171.mta1.migadu.com (out-171.mta1.migadu.com [95.215.58.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 36A46376465 for ; Mon, 27 Jul 2026 14:29:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785162586; cv=none; b=QzGxOeOAuJg9vQs78yf2kSh+TIBNuWbbRaFUM7Ui478BbzbnrT0kvI4+3dDy8geOxeoyxJ07d6fcp4DzYiSHEZIovM//TpP/cOqAQmXp0npijLenYan+QfaxJ7hfH780ibfR5jWV5TFQEuxjv/GuwAv3lOe8kA3WvRAusOvaU4Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785162586; c=relaxed/simple; bh=rnLaruOSRQ5uDK5ZU7HDhI+DpzKpD8VvDeOSpc/EcEY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=BmLEZuXAOs6HDA/vFTsQaty409LyGyPrA3tMS+hlVS7lgsJm4XmKuO5gA0WWXoau8OAWVx5O6J/h+3ZsFKs5cukYKiRlmELz02rU0nJa2fuN+zqlVYntM6YQUuE0iPjAOxBow7wOTWjnWkUZ5iCFyzgKrux9S2+B1p12duSMdS4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=g3M+DqJk; arc=none smtp.client-ip=95.215.58.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="g3M+DqJk" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1785162579; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=7tHghUuh4abL0fwwnOGlOayUFDXuWG+n5PvNG2j5QBw=; b=g3M+DqJkQz7oVE7zYcnCb3KUfo0PuPSR/Dp6zubbXXsm8bnX9toxZx/W8oEBBSpY8cvZdP Zkf0hJ/aJ/hY+gSQS39O/06Y3kgBfy3kLsFuLTSuVMyoRmnweLX7hJfdqk0ScnsFARuor1 croZ7gE4Yzs+dCd/ZRysqs8/yibw01o= From: Leon Hwang To: Catalin Marinas , Will Deacon , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi , Martin KaFai Lau , Song Liu , Yonghong Song , Jiri Olsa , Emil Tsalapatis , Shuah Khan , Leon Hwang Cc: bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH 0/2] arm64: ftrace: enable single ftrace_ops for direct calls Date: Mon, 27 Jul 2026 22:28:42 +0800 Message-ID: <20260727142844.21212-1-leon.hwang@linux.dev> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Beyond the DIRECT_CALLS support on arm64 [1], select HAVE_SINGLE_FTRACE_DIRECT_OPS for arm64, which enables the BPF tracing_multi link on arm64 [2]. All tracing_multi link selftests are passed on arm64. cd tools/testing/selftests/bpf ./test_progs -a 'tracing_multi_*' #545/1 tracing_multi_attach_rollback/put:OK #545/2 tracing_multi_attach_rollback/unlink:OK #545 tracing_multi_attach_rollback:OK #546 tracing_multi_bench_attach:OK #547/1 tracing_multi_test/skel_api:OK #547/2 tracing_multi_test/link_api_pattern:OK #547/3 tracing_multi_test/link_api_ids:OK #547/4 tracing_multi_test/module_skel_api:OK #547/5 tracing_multi_test/module_link_api_pattern:OK #547/6 tracing_multi_test/module_link_api_ids:OK #547/7 tracing_multi_test/intersect:OK #547/8 tracing_multi_test/cookies:OK #547/9 tracing_multi_test/session:OK #547/10 tracing_multi_test/attach_api_fails:OK #547/11 tracing_multi_test/fentry_direct_access:OK #547/12 tracing_multi_test/fexit_direct_access:OK #547/13 tracing_multi_test/fsession_direct_access:OK #547/14 tracing_multi_test/fentry_after_multi:OK #547 tracing_multi_test:OK Summary: 3/16 PASSED, 0 SKIPPED, 0 FAILED ./test_progs -a 'fill_link_info/tracing_multi_*' #132/11 fill_link_info/tracing_multi_link_info:OK #132/12 fill_link_info/tracing_multi_invalid_ubuff:OK #132 fill_link_info:OK Summary: 1/2 PASSED, 0 SKIPPED, 0 FAILED Links: [1] https://lore.kernel.org/all/20260609-arm64-ftrace-direct-calls-v1-0-4a46f266697f@linux.dev/ [2] https://github.com/kernel-patches/bpf/pull/12986 Leon Hwang (2): arm64: ftrace: enable single ftrace_ops for direct calls selftests/bpf: Enable tracing_multi tests on arm64 arch/arm64/Kconfig | 2 ++ arch/arm64/kernel/ftrace.c | 3 +-- tools/testing/selftests/bpf/prog_tests/tracing_multi.c | 9 +++++++-- tools/testing/selftests/bpf/test_progs.h | 6 ++++++ 4 files changed, 16 insertions(+), 4 deletions(-) -- 2.55.0