From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=114.111.35.58 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793335361; b=YzL33sveVW7gJNFb9CTptyi45rQg9omTBiWpUmOXx1ZUrwyPcLz6TZXVxOjtrbsH8YW6 pTzErruKFhJes7Cgbbd8TRUwUtOUpwUWDyQsJ5t6ZxbeFn2UFfLbJsFLNuPxGGNBSpJpB goLQ122xoxI1VLYGpCpy5YZqKiyzZ3HfcAgOtAXqfmArA51uTXM58/pJgAN5hl2Vt1Vhd NIqwnoHf4ldCQXJOosIorE4SvyAc7pIIX1P6kgdNQsBvVpdJVHmRX89q/H5qKUT9wR73V YLOZSph9f6/GBfA8mLO0Meg4+X0NSkpve+CkNMj38yQ1dF9tzkGvGXMo9tNACpI5eEg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793335361; h=DMARC-Filter:X-Originating-IP:Received:DKIM-Signature:X-Session-ID: X-Originating-IP:X-Works-Send-Opt:X-Works-Smtp-Source:Received:From: To:Cc:Subject:Date:Message-Id:X-Mailer:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding; bh=wDxxms1bv5/o+/3MhiBxEI7oF1cgDh8buYrPsh2YVoU=; b=FLkKk8PI0iHej4JbBDR5VLYcayEaOg7hmKW+4/pOoBoRNK1KYFT4oF3fmYlppvt3rlrP AJSKvRyF5lAZgxxQlBJm9lON3mQfdPQK5f2TxdYFTirNKOaI1Qp2C0He6uaYvjfPkuWSN WYdHnQCZyS8WV3d5Qyv3UMvYi9YRGMf+mvHIglkjGNIBWzLAN4kpf1yB+7WqKOwaIERTc hhZDFApsVt1g2EuLVeKGuJiWneDgftG37nfjTbXZtQW1bN7MLfehXo30w5WU2YzOyCn1V Si0TbLho+UhzCh5t+LDQGxQlVTf3owwR2SYtBLe2dT8emlp2P379ezopPYdZa/Dvdww== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=navercorp.com; spf=pass smtp.mailfrom=navercorp.com; dkim=pass header.d=navercorp.com header.i=@navercorp.com header.a=rsa-sha256 header.s=s20171120 header.b=KRQO+C68; arc=none smtp.remote-ip=114.111.35.58 Received: from cvsmtppost02.nmdf.navercorp.com (cvsmtppost02.nmdf.navercorp.com [114.111.35.58]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BFE9F606A31E for ; Fri, 30 Oct 2026 04:42:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org BFE9F606A31E Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=navercorp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=navercorp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=navercorp.com header.i=@navercorp.com header.a=rsa-sha256 header.s=s20171120 header.b=KRQO+C68 Received: from kr0s-hmac-real-0 ([10.180.30.112]) by cvsmtppost02.nmdf.navercorp.com with ESMTP id qNwEKrwIT1CRU+ENy66Qjw for ; Fri, 30 Oct 2026 04:42:31 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=navercorp.com; s=s20171120; t=1793335351; bh=wDxxms1bv5/o+/3MhiBxEI7oF1cgDh8buYrPsh2YVoU=; h=From:To:Subject:Date:Message-Id:From:Subject:Feedback-ID: X-Works-Security; b=KRQO+C68DxEvsSwOBlPZTsXCevr+YLfwKFYtnJiVBxPcsWHuJfn1FTyhBfT0DHvSp VvOdOIwafcIv80cdjxKN3NaaQ0843MJ5kpWIYqQZyvPcLzhA+Mbn8hH9CuDo/2zv+5 vcVNKkhEU/VkhYWxb/Vz2YOlR/Tbj4qrP2Cb4Jyd4KLFHlch51xaxMJn0BOGxQqtWV hh/wxA4UmM4TqLt9xxnfMbPdNYwKIK31oWQbHzprk5Ya2OhO/mmXq8fwlLTKDrxIMX z7E0CVVMVDx8jA9qi50/2WdBMvOcIdLeJBL53vP2J7sorPWIg/a5Z+3+0e7Xc7Uydq p/NI6BswNgXLw== X-Session-ID: axEJGcA2Qpem4vHPMyrmQA X-Works-Send-Opt: TdYwjAumKAumKAbZjAgmKqKXKoJYFHmwKBwYjHmm X-Works-Smtp-Source: XqKmKqKlFqJZ+HmmFxvZ+6E= Received: from localhost.localdomain ([10.25.101.111]) by cvnsmtp02.nmdf.navercorp.com with ESMTP id axEJGcA2Qpem4vHPMyrmQA for (version=TLSv1.3 cipher=TLS_CHACHA20_POLY1305_SHA256); Fri, 30 Oct 2026 04:42:30 -0000 From: Gyutae Bae To: Paolo Abeni , stable@vger.kernel.org Cc: Thomas Gleixner , Eric Dumazet , Jakub Kicinski , Sebastian Andrzej Siewior , Jason Xing , Peter Zijlstra , "Paul E. McKenney" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Minsu Jeon , Jonghyeon Kim , Siwan Kim , Gyutae Bae Subject: Re: Backport request: Revert "softirq: Let ksoftirqd do its job" (d15121be7485) Date: Fri, 30 Oct 2026 13:42:28 +0900 Message-Id: <20261030044228.7815-1-gyutae.opensource@navercorp.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <9024faed-854d-411d-96c1-7cefd4d68dc6@redhat.com> References: <20261029054200.97234-1-gyutae.opensource@navercorp.com> <9024faed-854d-411d-96c1-7cefd4d68dc6@redhat.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On 10/29/26 09:33, Paolo Abeni wrote: > IMHO such change should not land to stable lightly. It's a behavioural > change with subtle side effects. The threaded napi feature is disabled > by default for the same reason. Also the revert has some soft functional > dependencies in napi threaded cleanup and improvements landed into v6.4, > i.e. 6bb218b5a6e3f3c5e2e76faf8fc976f3f6f72496, likely more. Thanks for taking a look. I understand the concern about changing behavior in stable kernels. Gyutae Bae