From mboxrd@z Thu Jan 1 00:00:00 1970 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 B5DFC34CFD1; Fri, 21 Nov 2025 14:35:08 +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=1763735708; cv=none; b=t8AVxU5NB+245E1rIDvwUuJHRnS7FhmYeAO6/3BzcDRxX1GL4JcC9grWCUnKwheXorO0CoQoXp6EZrUH53tG3mihhT93U4ysMNgCF7AffvpFBTUkvTfGQUhJnXM+Scl2/hPBKkejELtSD9t4Yuy69ZAetmR48pOtmF4ro6HSeGU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763735708; c=relaxed/simple; bh=QDb2eatKiuZjTbqzmxGKoL+jm2p5mamd0Yx60gDcOd0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=i+DRSitsr9uAei/LG/xNnrgBdSN7nCO1CW89UyueVNznUV7rtFVGjEybpvkn9XptmqhBHYt1Ws8fn3+MO01yj4zR2QldsbX3sTZkiedzUTOy1MTatqTlBd5bpgJzMVbUlNCZSNU5Af+qRYwJnAxv0J/ENAL/N3MO49EfqvU7HhI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=muQXtMDO; 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="muQXtMDO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9839DC4CEF1; Fri, 21 Nov 2025 14:35:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763735708; bh=QDb2eatKiuZjTbqzmxGKoL+jm2p5mamd0Yx60gDcOd0=; h=From:To:Cc:Subject:Date:From; b=muQXtMDOImC7QQPxGRYlwqz0wN+NyVC7xucpyRYbMTi1tclW0TFl3MjodqKhKDO/B GR483G4Y/jMINYj3+cFXoDXYvCJ4GYWREDpgNtV616WrOV0wthW/6IzZ42rCfuehe0 Ea0/R5MxArXYEu4DbRr4lYeQhGlIn58G0SZIXIutg59u7YGPNj/vo82mKF1qEbFn7W LG8N8jQVB5p0yf7PMpwxYM4s0ARrYJ5Z1PPSixYjaYC9T4f+PRz/Bdarzjr7d8A5Xa gAA8Ywov1HFoA29PQbUQafBxiVM4FGeysKJ4rZ5oZEi876rkivLMJ/sGgmcD4zA6nN KcYQ+tetooS5g== From: Frederic Weisbecker To: Thomas Gleixner Cc: LKML , Frederic Weisbecker , Marek Szyprowski , Marco Crivellari , Waiman Long , cgroups@vger.kernel.org Subject: [PATCH 0/3 v3] genirq: Fix IRQ threads VS cpuset Date: Fri, 21 Nov 2025 15:34:57 +0100 Message-ID: <20251121143500.42111-1-frederic@kernel.org> X-Mailer: git-send-email 2.51.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi, Here is another take after some last minutes issues reported by Marek Szyprowski : https://lore.kernel.org/all/73356b5f-ab5c-4e9e-b57f-b80981c35998@samsung.com/ Changes since v2: * Fix early spurious IRQ thread wake-up (to be SOB'ed by Thomas) * Instead of applying the affinity remotely, set PF_NO_SETAFFINITY early, right after kthread creation, and wait for the thread to apply the affinity by itself. This is to prevent from early wake-up to mess up with kthread_bind_mask(), as reported by Marek Szyprowski Frederic Weisbecker (2): genirq: Fix interrupt threads affinity vs. cpuset isolated partitions genirq: Remove cpumask availability check on kthread affinity setting Thomas Gleixner (1): genirq: Prevent from early irq thread spurious wake-ups kernel/irq/handle.c | 10 +++++++++- kernel/irq/manage.c | 40 +++++++++++++++++++--------------------- 2 files changed, 28 insertions(+), 22 deletions(-) -- 2.51.1