From patchwork Fri May 17 11:45:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 13666906 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 80A023BB35; Fri, 17 May 2024 11:47:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715946431; cv=none; b=NvKxcx3bNhSk1M+7T8Tum6AWzwaezx/WlZB4P2/3f+xTGvSFdMPcoKWRQzTtWt0UsCUvFnzaB1t7zKcypeptxolu4jy60oIa9MrmEHIaUOtK2wEUIQ5Ig7Amnj7CgpEHuI6y1lolOn2LXuDIBeJcjj5AfTNbH1/GBnRA5VIqhXg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715946431; c=relaxed/simple; bh=QPxik8B0uZ4chhltJzrxGabUS/wR7kyYGqGWD9+nCgc=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=TbNbuRWvoGIsBSCYXAr+RwUpUOJa5/NqxzsLoiYB0u3jm3vB7Dsw3t6Hnfowb1DT5NRlo+RODVx03S8sbu6fHq4dje1jAVnWOwzwf9kDGgpEEzj1bL5lTvQIHnuUSk5HsNDOGXc5ngGnt60pzq/+613yH7NDZgQOjDCZnSkEtS0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kryf/Hid; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kryf/Hid" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A300C2BD10; Fri, 17 May 2024 11:47:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1715946431; bh=QPxik8B0uZ4chhltJzrxGabUS/wR7kyYGqGWD9+nCgc=; h=From:To:Cc:Subject:Date:From; b=kryf/Hidpo82T7jbyBP0ORsBFGOksfU1ecIjD8wq256hwJ9ovWXPvozuYKc3zpXkS 9tg19TrH5cemLG5+m9ZrGglcGXhaGOK6LN205CxeJOFAc5FhIBLzyIv00FH2A/pofq QNvaw4pkwgct0oPQNGTSqdwhj3En0wKh8RJBrxqs2HlDz3xSZZo6FrKsWPGKn3L8K2 f002pLW1EY4P+hbmPuu97A2a6dydPtcSNuDOtmFEYGaJrwCCUBtgdPaTEFHsm9jaY0 nQgHVk7VT0eOzwXq/OA5+qq9SZmoj8K9Oe7nyJLLlmqE73W6Zc3Vgyx8YrABNFoK6R qlvkN6cNSebHA== From: Masahiro Yamada To: Kees Cook , Andy Lutomirski , Will Drewry , linux-kselftest@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Masahiro Yamada , Alexandre Belloni , Benjamin Tissoires , Christian Borntraeger , Claudio Imbrenda , David Hildenbrand , Janosch Frank , Jiri Kosina , Shuah Khan , bpf@vger.kernel.org, kvm@vger.kernel.org, linux-input@vger.kernel.org, linux-rtc@vger.kernel.org Subject: [PATCH 0/2] selftests: harness: refactor __constructor_order Date: Fri, 17 May 2024 20:45:04 +0900 Message-Id: <20240517114506.1259203-1-masahiroy@kernel.org> X-Mailer: git-send-email 2.40.1 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This series refactors __constructor_order because __constructor_order_last() is unneeded. BTW, the comments in kselftest_harness.h was confusing to me. As far as I tested, all arches executed constructors in the forward order. [test code] #include static int x; static void __attribute__((constructor)) increment(void) { x += 1; } static void __attribute__((constructor)) multiply(void) { x *= 2; } int main(void) { printf("foo = %d\n", x); return 0; } It should print 2 for forward order systems, 1 for reverse order systems. I executed it on some archtes by using QEMU. I always got 2. Masahiro Yamada (2): selftests: harness: remove unneeded __constructor_order_last() selftests: harness: rename __constructor_order for clarification .../drivers/s390x/uvdevice/test_uvdevice.c | 6 ------ tools/testing/selftests/hid/hid_bpf.c | 6 ------ tools/testing/selftests/kselftest_harness.h | 18 ++++-------------- tools/testing/selftests/rtc/rtctest.c | 7 ------- 4 files changed, 4 insertions(+), 33 deletions(-)