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[66.111.4.228]) by smtp.gmail.com with ESMTPSA id j14-20020a0cc34e000000b005dd8b9345fasm11464qvi.146.2023.03.30.11.51.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Mar 2023 11:51:52 -0700 (PDT) Received: from compute6.internal (compute6.nyi.internal [10.202.2.47]) by mailauth.nyi.internal (Postfix) with ESMTP id 38D4C27C0054; Thu, 30 Mar 2023 14:51:52 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute6.internal (MEProxy); Thu, 30 Mar 2023 14:51:52 -0400 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrvdehledgfeelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvvefufffkofgjfhgggfestdekredtredttdenucfhrhhomhepuehoqhhu nhcuhfgvnhhguceosghoqhhunhdrfhgvnhhgsehgmhgrihhlrdgtohhmqeenucggtffrrg htthgvrhhnpeegleejiedthedvheeggfejveefjeejkefgveffieeujefhueeigfegueeh geeggfenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpe gsohhquhhnodhmvghsmhhtphgruhhthhhpvghrshhonhgrlhhithihqdeiledvgeehtdei gedqudejjeekheehhedvqdgsohhquhhnrdhfvghngheppehgmhgrihhlrdgtohhmsehfih igmhgvrdhnrghmvg X-ME-Proxy: Feedback-ID: iad51458e:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 30 Mar 2023 14:51:51 -0400 (EDT) From: Boqun Feng To: Peter Zijlstra Cc: Wedson Almeida Filho , rust-for-linux@vger.kernel.org, Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?UTF-8?q?Bj=C3=B6rn=20Roy=20Baron?= , linux-kernel@vger.kernel.org, Wedson Almeida Filho , Ingo Molnar , Will Deacon , Waiman Long Subject: [DRAFT 1/2] locking/selftest: Add test infrastructure for Rust locking APIs Date: Thu, 30 Mar 2023 11:51:02 -0700 Message-Id: <20230330185103.1444086-1-boqun.feng@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: rust-for-linux@vger.kernel.org Signed-off-by: Boqun Feng --- MAINTAINERS | 1 + lib/Makefile | 3 +++ lib/locking-selftest.c | 9 +++++++++ lib/rust_locking_selftest.rs | 12 ++++++++++++ 4 files changed, 25 insertions(+) create mode 100644 lib/rust_locking_selftest.rs diff --git a/MAINTAINERS b/MAINTAINERS index 8d5bc223f305..c1878e18f98a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12060,6 +12060,7 @@ F: include/linux/seqlock.h F: include/linux/spinlock*.h F: kernel/locking/ F: lib/locking*.[ch] +F: lib/rust-locking-selftest.rs X: kernel/locking/locktorture.c LOGICAL DISK MANAGER SUPPORT (LDM, Windows 2000/XP/Vista Dynamic Disks) diff --git a/lib/Makefile b/lib/Makefile index baf2821f7a00..940374c08edd 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -148,6 +148,9 @@ obj-$(CONFIG_GENERIC_PCI_IOMAP) += pci_iomap.o obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o +ifdef CONFIG_RUST +obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += rust_locking_selftest.o +endif lib-y += logic_pio.o diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c index 8d24279fad05..9ef3ad92bc47 100644 --- a/lib/locking-selftest.c +++ b/lib/locking-selftest.c @@ -2854,6 +2854,11 @@ static void hardirq_deadlock_softirq_not_deadlock(void) HARDIRQ_ENABLE(); } +#ifdef CONFIG_RUST +void rust_locking_test(void); +#else +#define rust_locking_test() +#endif void locking_selftest(void) { /* @@ -3010,6 +3015,10 @@ void locking_selftest(void) printk("---------------------------------\n"); debug_locks = 1; } + + /* Rust locking API tests */ + rust_locking_test(); + lockdep_set_selftest_task(NULL); debug_locks_silent = 0; } diff --git a/lib/rust_locking_selftest.rs b/lib/rust_locking_selftest.rs new file mode 100644 index 000000000000..61560a2f3c6b --- /dev/null +++ b/lib/rust_locking_selftest.rs @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 + +//! Selftests for Rust locking APIs. + +use kernel::prelude::*; +const __LOG_PREFIX: &[u8] = b"locking selftest\0"; + +/// Entry point for tests. +#[no_mangle] +pub extern "C" fn rust_locking_test() { + pr_info!("Selftests for Rust locking APIs"); +} -- 2.39.2