From nobody Mon Feb 9 13:01:38 2026 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 58E2425D1E9; Sun, 2 Nov 2025 21:44:39 +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=1762119880; cv=none; b=Bhzu9wXM5CPmKOCrYdu4RwVDPMxrF8j39S7iEcoIeruWPIVbfySKu8Cd9X5Ik8NeragMp0TCJ+JxL3ittvaiWLQlISE/gqndSzv2w5YIB55YXQzgFTtTHG0hJQ7E0YxNDpDXekllg+kWvO8j8Fr1jcq1qM8329MYYTL6zDbNw8I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762119880; c=relaxed/simple; bh=/aBUUqkdfQzZ+qxvU0KljxF2xX83n5VIIQG+jKSVdFg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=CYQgeO9N5nv7EiIFd5WAHNTBoMg6789MEPwbQMYh25PmpnQ8fFcL3oCCozptPVES4EqG/h/gvFnqe9KkZvSZSvi8w7vB6wheuLP5uNgo1Gpp4MlXk19oJ1l99QFMYw5/ssnKGDrScZS9DDri3Ymfi7Fxid/x0r+iogo8u1vxThM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=b1EMTg8l; 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="b1EMTg8l" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D540BC19421; Sun, 2 Nov 2025 21:44:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762119879; bh=/aBUUqkdfQzZ+qxvU0KljxF2xX83n5VIIQG+jKSVdFg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b1EMTg8lMaI3kCLR83XoezsSTL6mrs8DEEBygsr+3BXTpFSs3kLPOVCML1iT8EATe yp6jClEyIv+rwQmjWwSBVJ9HRudvPCrEznxW2GU59oRlNVAl+jh/bEr+a9xt+qYrfn XQLngiIwZpC8d6xcvz+vQomUMCAVJAWT9MfbsxXLr4AKPv4Ow1YcE6xLaoW9g10aRv LDNFcEStfXlPpZYU7hgqmhY0riU3dQt19CNZbFXKEuoenI+t+7um0bmbbeDQ2GdR1j t2L+urzjZUpI7Q576QcRrTU4m6o86+kgSwn/YAxexaecZX4XFb5y0lkBzfKqwYZUmE IAUiGqdnalnbw== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id AA4BCCE16DB; Sun, 2 Nov 2025 13:44:37 -0800 (PST) From: "Paul E. McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com, rostedt@goodmis.org, "Paul E. McKenney" Subject: [PATCH 19/19] rcutorture: Remove redundant rcutorture_one_extend() from rcu_torture_one_read() Date: Sun, 2 Nov 2025 13:44:36 -0800 Message-Id: <20251102214436.3905633-19-paulmck@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <082fb8ba-91b8-448e-a472-195eb7b282fd@paulmck-laptop> References: <082fb8ba-91b8-448e-a472-195eb7b282fd@paulmck-laptop> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This commit removes a harmless but potentially confusing invocation of rcutorture_one_extend() within rcu_torture_one_read(). The immediately preceding call to rcu_torture_one_read_start() already does this cleanup, and the other call to rcu_torture_one_read_start() already relies on this. Signed-off-by: Paul E. McKenney --- kernel/rcu/rcutorture.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 820c5e5b106b..423c4bddd17c 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -2440,10 +2440,8 @@ static bool rcu_torture_one_read(struct torture_rand= om_state *trsp, long myid) newstate =3D rcutorture_extend_mask(rtors.readstate, trsp); WARN_ON_ONCE(newstate & RCUTORTURE_RDR_UPDOWN); rcutorture_one_extend(&rtors.readstate, newstate, trsp, rtors.rtrsp++); - if (!rcu_torture_one_read_start(&rtors, trsp, myid)) { - rcutorture_one_extend(&rtors.readstate, 0, trsp, rtors.rtrsp); + if (!rcu_torture_one_read_start(&rtors, trsp, myid)) return false; - } rtors.rtrsp =3D rcutorture_loop_extend(&rtors.readstate, trsp, rtors.rtrs= p); rcu_torture_one_read_end(&rtors, trsp); return true; --=20 2.40.1