From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 1D0B43EFD03; Wed, 17 Jun 2026 12:12:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781698340; cv=none; b=TLaZEV537z0Dgv6+ydtauBhJmiyNxZf40053UPHFGrxA0Ef7kw+UgWtZ3z+is18e5h58HPmFHkHvmwCTRWiK5ipmoqZ6L0B6wA5S2qT/O9HysnobBfWPKww+5COusIDU5+5Sa3Wi4sVJx41+xn7r0tNdnMPozfJMYH/cC8dvauo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781698340; c=relaxed/simple; bh=IsqaLnjugtd3smeJmbHPULGQBZjkK9oUq6b+E8D5M98=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=Fa9x+6m1zXuiHFzTDiERZOTfmDFCLfJ8ASWsO5ZdliQOvjGgpqR9IhuInr/jEsN37hezzjPj1m3mQHJUEpqlSEpVVq+q2MOeeoAy+fd3kcxzDHwlScDcQYf7x4rSX6JjveXW5rK+fLjlM0osKbbZBfiDslNyEGRLKoTu2xQTR6I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=pVWUvgXK; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=LQ4Z2Guy; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="pVWUvgXK"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="LQ4Z2Guy" From: John Ogness DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1781698336; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=IsqaLnjugtd3smeJmbHPULGQBZjkK9oUq6b+E8D5M98=; b=pVWUvgXKW5iucBs9vLdji2/haud+0IliNzfsVcRDFMXGPO72i6LJbquHjPNVGiqKMoD4Zj 9Q/Ky6JiewXF4kS8lBcBIa5P41U6DbuKk6rGaPLiFeiNKT24d9CHp4oRPaSD9zcvoIDs2h K1kRUePCRK0IBrJX40vNdu5T8J5qzMb6OBBbOLvbajIhs4+2XXx3pvu+zD+jCMjjYkZcgx GQUN5lfsw8VAFCRshoyiCOIYk8BHnh+uWNjdsbJR6Fg/tlJZ7W8nua4QjpXJh6XTb2EV0W QJIuFfht/xYk/oynsdHI9we6eVnfJjn6J9G46bAPS2Iy0zJdcwUU6VK5FcOtQg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1781698336; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=IsqaLnjugtd3smeJmbHPULGQBZjkK9oUq6b+E8D5M98=; b=LQ4Z2GuyjEYKyFohvTfS1YZqc3+q+cnn9BhhN7lLEAuSC3ZNLthtFH9ow/0WDHKDNfBpsC jVjKYqz+exefjrCw== To: Petr Mladek , Peter Zijlstra Cc: Sebastian Andrzej Siewior , Jakub Kicinski , Sergey Senozhatsky , Vlad Poenaru , Thomas Gleixner , netdev@vger.kernel.org, "David S . Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Breno Leitao , Clark Williams , Steven Rostedt , linux-rt-devel@lists.linux.dev, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Frederic Weisbecker , Ingo Molnar , Vincent Guittot , Dietmar Eggemann , K Prateek Nayak Subject: Re: [PATCH net] netpoll: run NAPI poll in softirq context to avoid rq->lock self-deadlock In-Reply-To: References: <20260610183621.3915271-1-vlad.wing@gmail.com> <20260611191114.5bc43a59@kernel.org> <20260616103529.Yh9Dxsjp@linutronix.de> <20260616081128.04e2c8dd@kernel.org> <20260616153122.keHMKvVT@linutronix.de> <20260617111504.GK49951@noisy.programming.kicks-ass.net> Date: Wed, 17 Jun 2026 14:18:15 +0206 Message-ID: <87v7bh9xi8.fsf@jogness.linutronix.de> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On 2026-06-17, Petr Mladek wrote: > On Wed 2026-06-17 13:15:04, Peter Zijlstra wrote: >> Can't we push all the legacy consoles into a single legacy kthread? I >> mean, converting all consoles is of course awesome, but should we really >> wait for that? > > I am afraid that converting the consoles one by one is the deal with > Linus. I could imagine to moving last few sinners into the kthread > when the majority is converted. But we are far from there :-/ Note that the proposed patch is only for older kernels. For mainline it is moot because netconsole is already converted to nbcon. John