From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794767191; b=cKFKOvWqdkTNW999Pwo8ZjyzI+Vq274d/5pz1VRVQNvFYwNxpUxoB0TxmrTHWoX2t8j+ bbpkFu53vPs7ihOMiLcK0yJuvVqtVnjcxrgFxWWwsRfdEhsaZjFIOcWFlXV7/lo3rfhit U+2rWZ9Rwn5vIEvi+Nnn9QMRD5Q7vcnWKmrGEuIl+1XVAT72Yz/hhpyHH/Ho9jnVu+6SE FRUvy6/gVJ7f6zPV4DBrkOLWL0MYOT6cyiYHWThCuljmVTPYctPJxxhm6AGLYlg6CyMzH 6QXOgTRp9G6qUZCwRGOENDNxymdUwozogSkLwZ0WS1P6D6GaBSEfrEL4BjZ8HX8i3yQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794767191; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=eneHgnMAcOc/djCTrB0nOV0g2dEReb07JOlhFtlo25k=; b=E7IKhibfPFFPfqRE1h236FhkOc11imbBYv/1JZ1vP72mP3NBtqVlSOGtrvH65ylleOHV OrYfPJZpXt83clGqLjJpKGPmxhsGYc0oSh/lXWakFGv/PSTSDM5KGDS8VpfzFChWAK6jG H452MqkduzUJv3SquqNfyEkP4BC39sbKD9DLtNpTfnxwihITn71/tnK403+qMKkEUof+Y fdmUQMBNdyaIxVUdRgzNJ4/bYKMBdbZa6mP4nh2S+7tiQgomewuonSQe3Q3gXlYfx8OdE cB97HwGle0AC3Ko9YrxGhmUBdVAvKFScva4IJaqYKPRVoAyWcSrBNhHX+2tlPW7vYdA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=FHAShk+4; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0D515606A31D; Sun, 15 Nov 2026 18:26:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=FHAShk+4 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30F7B1F000C4; Sun, 15 Nov 2026 18:26:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794767190; bh=eneHgnMAcOc/djCTrB0nOV0g2dEReb07JOlhFtlo25k=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=FHAShk+4mVyHfMAnpqQb+OFmANjbslij+dPs+VKBbPKcwALFWzseYnDCBD+Y0KQnB eZokN67v9HcpcVJzMu7QcL2WCh42NL4Jex13p2ac4N3IIHZLw2O4XSIe/9Kfp/XdvD WXBuKRM3/+YhgaTJjotCcRv5viJktfdeNs8F/zCfTRuaRLdxr8hDrCdz+K0mYCdgB/ uEix9WPF/7xr9GTPwHKLwEtWoHho4M2v9+PfaJ8HR8fzuAmpMNJz3uNCmGQGYNHKKB Qk6cs37sqaqI1unCeXDFET6gh6hEjUE+MCU7uUCRV2hHQ9q+VHusvKEf6Qz0/SGvSC PoSu6Qk+5Z31A== Date: Sun, 15 Nov 2026 10:26:29 -0800 From: Jakub Kicinski To: Congjie Zhou Cc: netdev@vger.kernel.org, mst@redhat.com, jasowangio@gmail.com, eperezma@redhat.com, xuanzhuo@linux.alibaba.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@kernel.org, pabeni@redhat.com, horms@kernel.org, virtualization@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH net v2 1/2] net: napi: add completion with an ordered IRQ mask callback Message-ID: <20261115102629.2c6d107d@kernel.org> In-Reply-To: References: X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sun, 15 Nov 2026 15:12:45 +0800 Congjie Zhou wrote: > napi_complete_done() can clear SCHED, arm the watchdog and return false > when deferring hard IRQs. A false return therefore does not guarantee > that the caller still owns NAPI. Masking interrupts after this return > can overwrite the interrupt state established by a successor poll. Please stop submitting this LLM slop. You reported the bug, if maintainers have time they will fix it.