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 E089A19BBF for ; Fri, 18 Aug 2023 16:21:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 55132C433C8; Fri, 18 Aug 2023 16:21:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692375672; bh=F4hu+ZSGYoWCRdUdfsCxfVt10gS2gebSaptHFSyZ0rg=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=cjDtFUU8eNav46CbF/zksDLJ6ng2War+LGduWysDW0s+Lmkcq0/Ke9m7Z18+YGblP /oWBnuokIWWyib8Mn6QEdc8eXYAzMZih5TbtFr0jR2yDbxfinK0rNJdM/hK/MIMG5W aPnFZ7D01SZc3UFJAhPhCvdGD+EL9pJx0RhnSl2ZKqwfAxZR9m5S50CtMA6N8h9ZGo Hu4FbDMijaPofsi6x1jLdLik5IoFWNUlGaa6ISTa5yZ+kR1rNI8AeLGAva2tPVk3iF dXKkydImC+K2Zp9302csEoN7KQSu3pZ652ghYJIHFbRyKBrpzOCPar0rHdQWsXUo+V awXViSsjHW7wQ== Date: Fri, 18 Aug 2023 09:21:11 -0700 From: Jakub Kicinski To: Sebastian Andrzej Siewior Cc: Yan Zhai , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, "David S. Miller" , Eric Dumazet , Paolo Abeni , Peter Zijlstra , Thomas Gleixner , Wander Lairson Costa , Jesper Dangaard Brouer Subject: Re: [RFC PATCH net-next 0/2] net: Use SMP threads for backlog NAPI. Message-ID: <20230818092111.5d86e351@kernel.org> In-Reply-To: <20230818145734.OgLYhPh1@linutronix.de> References: <20230814093528.117342-1-bigeasy@linutronix.de> <20230814112421.5a2fa4f6@kernel.org> <20230817131612.M_wwTr7m@linutronix.de> <20230818145734.OgLYhPh1@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; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 18 Aug 2023 16:57:34 +0200 Sebastian Andrzej Siewior wrote: > As of now Jakub isn't eager to have it and my testing/ convincing is > quite limited. If nobody else yells that something like that would be > helpful I would simply go and convince PeterZ/tglx to apply 2/2 of this > series. As tempting as code removal would be, we can still try to explore the option of letting backlog processing run in threads - as an opt-in on normal kernels and force it on RT? But it would be good to wait ~2 weeks before moving forward, if you don't mind, various core folks keep taking vacations..