From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EF309C531D0 for ; Mon, 27 Jul 2026 14:29:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=7tHghUuh4abL0fwwnOGlOayUFDXuWG+n5PvNG2j5QBw=; b=vww9Aq53hDEDh1Ffn/wYLQtu6R bC5ydd7iAvFGirijS/KEVZARAkSm0bVv1gyTi0xqUgu516h4+Mz33c7QupR9H4Ql+rSI7HSsq+4/1 qEA9duQL288mW7GsW4wdb2tEPjF7JVaaTTPIy3mFQ/LgntD3SrIJl3R3aZ8agup5AQQFhek8Y3yuh gXuzcD3qEGheVHx7guiJjL8OAqIggd5MZy8vl1TvTPF27/iCgzHohzBrfYumBWoftGuTwYALBVd1u zzN/cb9lP9NneTl2qICOAbwZWLAecF3f2heSiR9OGb0x+Idh1fp2XGGx/t/DhVtOl0uxTHQO9he2D cF/7WdEA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1woMKz-00000002zhV-1weM; Mon, 27 Jul 2026 14:29:49 +0000 Received: from out-170.mta1.migadu.com ([95.215.58.170]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1woMKv-00000002zfs-3v9w for linux-arm-kernel@lists.infradead.org; Mon, 27 Jul 2026 14:29:47 +0000 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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260727_072946_117706_CC1DEB59 X-CRM114-Status: UNSURE ( 6.72 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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