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=1792955828; b=xr2+Edm11qp3Qf29KEkaJJCiSDudghmnNEmL9QEGKEQLDKD0ikcBIK1oP35KMoIiuH5v 4Ewg/jRMg0JsrbIhX1WE4XNKHP2AhsTaEg9wMdYQi4/IHLj0zD8d42w0mHmMyyy/VNDe7 H+9hUgV7hVf9jl4kp3+GCfM4C/rk9gFRW5kiJgN96sN/IB1dIU0LJavhMrkLQs98kuMlh D+JcLzAj021d1looVFPe4ZJrYOejlGZe/XCdkEAbGKclHGSsOEJNtckKLAbDmdNUGRWCo GuM9EZ8KtDnzhcpXtVY4IixnzHpb+peCVUA3l5131RgsK8PgXG1UmTsUTjedRHs2mcA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792955828; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=RR2EMM+rjuO0FNuw5ZlUNaVxsn9wPfqdK7GV5CML76o=; b=bw7d3zJ9rgNjdeM0oYsPd509HmtoFViPF5anxkCgRmExFPFBna/cSz4JcpA74WlzwgaJ R1chXAzXZwv75N9CXV/qZqPgVJeN2S3D/SYfJMBL8tO02AgS4JANk8qYw43WBh+30p09H rmqzY1oGuE3yNlzwGnEFSZGhBF8l/+EtYxeTx2uHAelYte3tNxVEvmgzye7WdD+vHw7/D Z2TDzRX3aFCml5bX5dQ6JdHKEebDu0BPARlglK/sOgYshoRJda/3Ej2eBRgY/CjLRH9oj hsZnFp96tNgq/X/ZgCp52gfYU3P7nB2uvX85bw/wh6hru9taQMxLpgOYUnkfF0eCr+g== 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=kSEBf+tm; 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 1E2F9606A31E for ; Sun, 25 Oct 2026 19:17:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=kSEBf+tm Received: by smtp.kernel.org (Postfix) with ESMTPSA id A03821F01280; Sun, 25 Oct 2026 19:17:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792955827; bh=RR2EMM+rjuO0FNuw5ZlUNaVxsn9wPfqdK7GV5CML76o=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=kSEBf+tmGxLjA4DLmJ3S+tp8sNCmVCO2NyHz+zQqMPMv/8ohIJVYytIrcFBo8/7ZK FaQF4dWZ4Pinh4DE9+fb/8L8/wc3KODRd4cGgLG9KHM+mrbMZkqaDFocqPFbCefyJ4 4iodHzf68nyWuUUwRnbojX/2mWr7b6W8jS8/xRaXRyknSTdz3i0Ifp/wzUzR6aXVoX vMl6GMY1ADvQmEWVTTYaCAKqtyF2lBENC0NX9/8JeLhxJSNZeonjedt2DAkPqddNps 6oWRh/AAnPj+CAbupPdHzfKm6+j2DpNQ1Ebxk2XmmecpEo0YtYNw3ZSiF5TxZAY0CN XTmeX9lcujlgQ== Date: Sun, 25 Oct 2026 14:17:06 -0500 From: Clark Williams To: Wen Yang Cc: Sebastian Andrzej Siewior , Steven Rostedt , linux-rt-devel@lists.linux.dev Subject: Re: [PATCH 6.6-rt 0/5] net: Backport backlog-NAPI threads to resolve PREEMPT_RT softirq warning in SMP flush Message-ID: References: <7f5046fd-f38e-4966-a616-0c8d95833eed@linux.dev> X-Mailing-List: linux-rt-devel@lists.linux.dev 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-Disposition: inline In-Reply-To: <7f5046fd-f38e-4966-a616-0c8d95833eed@linux.dev> On Thu, Oct 22, 2026 at 12:30:22AM +0800, Wen Yang wrote: > > Hi Clark, > > Thanks for checking, and sorry for confusion. > > My understanding is that Sebastian's comment referred to the existing > RT defer_work workaround, which covers deferred freeing but not RPS. > > After rechecking against the upstream code, I haven't found an additional > RPS prerequisite needed for this series. > > Sebastian, could you please check whether this addresses your earlier > concern about RPS coverage? I'd appreciate any pointers to prerequisites > I may have missed. > > Thanks, > Wen Wen, I just released v6.6.159-rt82, which is the five patch series, this time with my SoB attached :). BTW, I just pushed v6.1.190-rt71-rc1 up to v6.1-rt-next. Please check that it's the correct 15-patch series. Clark -- The United States Coast Guard Ruining Natural Selection since 1790