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[180.39.242.157]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a2f3c83325sm341874445ad.34.2025.12.31.19.50.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 31 Dec 2025 19:50:35 -0800 (PST) From: FUJITA Tomonori To: boqun.feng@gmail.com, ojeda@kernel.org Cc: a.hindborg@kernel.org, aliceryhl@google.com, bjorn3_gh@protonmail.com, dakr@kernel.org, gary@garyguo.net, lossin@kernel.org, tmgross@umich.edu, acourbot@nvidia.com, rust-for-linux@vger.kernel.org, linux-arch@vger.kernel.org Subject: [PATCH v2 2/2] rust: sync: atomic: Add atomic bool tests Date: Thu, 1 Jan 2026 12:49:22 +0900 Message-ID: <20260101034922.2020334-3-fujita.tomonori@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260101034922.2020334-1-fujita.tomonori@gmail.com> References: <20260101034922.2020334-1-fujita.tomonori@gmail.com> Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Add tests for Atomic operations. Atomic does not fit into the existing u8/16/32/64 tests so introduce a dedicated tests for it. Signed-off-by: FUJITA Tomonori --- rust/kernel/sync/atomic/predefine.rs | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/rust/kernel/sync/atomic/predefine.rs b/rust/kernel/sync/atomic/predefine.rs index 3fc99174b086..42067c6a266c 100644 --- a/rust/kernel/sync/atomic/predefine.rs +++ b/rust/kernel/sync/atomic/predefine.rs @@ -199,4 +199,20 @@ fn atomic_arithmetic_tests() { assert_eq!(v + 25, x.load(Relaxed)); }); } + + #[test] + fn atomic_bool_tests() { + let x = Atomic::new(false); + + assert_eq!(false, x.load(Relaxed)); + x.store(true, Relaxed); + assert_eq!(true, x.load(Relaxed)); + + assert_eq!(true, x.xchg(false, Relaxed)); + assert_eq!(false, x.load(Relaxed)); + + assert_eq!(Err(false), x.cmpxchg(true, true, Relaxed)); + assert_eq!(false, x.load(Relaxed)); + assert_eq!(Ok(false), x.cmpxchg(false, true, Full)); + } } -- 2.43.0