From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.mainlining.org (mail.mainlining.org [5.75.144.95]) (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 9C3643E92B5 for ; Sat, 29 Aug 2026 16:02:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=5.75.144.95 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788019331; cv=none; b=PmjUjAxXR4nRy74jd/WzJkvLPSzcOX2y0WmDmIqIG1qf1YwVrOUruKwFKWqJp++5C8QNZvmFvG/7772CnL/tkX6KjC/xbv4PudXjWG3BvySiflbhPa0zu0Mw++R6X8ymud/XMMnP0RMdb0HVAHEukWcWZcVVPXDs1AnaSPPxdBE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788019331; c=relaxed/simple; bh=yzDb+syqlRp1iiWqbQ32I4hvml+kDYNoe7IqTIqFl08=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=IFsfFzgV2Jl681bNj7qm5PdCJ5k4kZexKPecTfeeFshHmY2RzOO7QPqbISE/mXP+nzYz4wIr4SFbsXETkYp7+MJNdjNwF91fZSd1BhlauXJJAc65FwKPxENth04N87Br6tsKLif7wKp8cG2oxMh8tqks03LQjI1m4z5yLGWRCvw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=reject dis=none) header.from=grrlz.net; spf=pass smtp.mailfrom=mainlining.org; dkim=pass (2048-bit key) header.d=mainlining.org header.i=@mainlining.org header.b=hooGz6tx; dkim=permerror (0-bit key) header.d=mainlining.org header.i=@mainlining.org header.b=RVuO874V; arc=none smtp.client-ip=5.75.144.95 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=reject dis=none) header.from=grrlz.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mainlining.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mainlining.org header.i=@mainlining.org header.b="hooGz6tx"; dkim=permerror (0-bit key) header.d=mainlining.org header.i=@mainlining.org header.b="RVuO874V" DKIM-Signature: v=1; a=rsa-sha256; s=202507r; d=mainlining.org; c=relaxed/relaxed; h=Message-ID:Date:Subject:To:From; t=1788019317; bh=jyod2vdapIzVT0jrWX2kWlx Ck2r1I9RyX4lHKcfNBXo=; b=hooGz6txU1SPyBBENK3UDYSxS52Fn8xH0X/zNMqGlJZg4BhkCn XohZZS8aaQiXGSGt9ACCGAandu3iXQP1qiieN379OrG+JeqYuraPkIATyzZrgBFsxRCIvYPoT9O IEqQOY0rO/mG5HzjeVVkafy7kWgYO4WbQAfqhov0ozLf8/kurK/UnBosJVdyAx3hJ2+lQhBLEMK CHXOfGzP4R44okgDT3BZ173y7MjZ64ibynzERxK3XTe50so1oaaqKCsWQr0IYVayvF5YtMXuPJs 21P/Sxt5X4NRt6+lFan03CQ8FjIFn0LybuDRqCAONcQZjAPT4STI1oqPntEfijgrrIQ==; DKIM-Signature: v=1; a=ed25519-sha256; s=202507e; d=mainlining.org; c=relaxed/relaxed; h=Message-ID:Date:Subject:To:From; t=1788019317; bh=jyod2vdapIzVT0jrWX2kWlx Ck2r1I9RyX4lHKcfNBXo=; b=RVuO874V/oBxSbOUA+YhXIwAcT7801Uh7NArT0spvycsZSqQx5 xV2sC2XOdjPlzTcVa+O4WRX9Txw3iQbN1mBw==; From: Bradley Morgan To: Frederic Weisbecker , Tejun Heo Cc: Peter Zijlstra , linux-kernel@vger.kernel.org, brads@mainlining.org Subject: [PATCH] kthread: remove worker->task self-assignment Date: Sat, 29 Aug 2026 16:01:57 +0000 Message-ID: <20260829160157.6814-1-include@grrlz.net> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Bradley Morgan All kthread worker users now create their workers with kthread_create_worker*(), which sets worker->task before the worker starts. The self-assignment in kthread_worker_fn() is dead code now. Remove it. Signed-off-by: Bradley Morgan --- kernel/kthread.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/kernel/kthread.c b/kernel/kthread.c index 63beb59b7a3d..18bc702e8d2d 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -987,13 +987,6 @@ int kthread_worker_fn(void *worker_ptr) struct kthread_worker *worker = worker_ptr; struct kthread_work *work; - /* - * FIXME: Update the check and remove the assignment when all kthread - * worker users are created using kthread_create_worker*() functions. - */ - WARN_ON(worker->task && worker->task != current); - worker->task = current; - if (worker->flags & KTW_FREEZABLE) set_freezable(); -- 2.47.3