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 EEDD9A925 for ; Wed, 31 May 2023 06:30:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 696C0C433D2; Wed, 31 May 2023 06:30:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1685514656; bh=DOrJw/Yu+3HP/enxWknLVzppckY+Vfwhgf5NKSUm6Z0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=SgG3MQwq5sTeyl4dM+tNVJoqSw1EOYJiJrO4e/dekneZTqmvsBnvRAWaX24dX8iJ3 0pWutt6CKxvzZdfTKcw6hMyICxk6JRNbdeIIXe6o611aGqzot5cBur6tPxFM9bnJfN T1GQs8eI4EUnyrAUhFGVO6Ghw8nYQ4z5J5H4PZCef3OvbaSY0Ds0P4q6oTfTPoVO7R ldGDLezq1YBxSsJJIpchfI/1igAfuSuYH2J3lJ6IsV8rcR/HZpFhtKdPqTHYEBFjnd 7fUTKay6fRD08jinoqWVn6GabAZjmXK8Lm0TumC8GtiLwNezumk2t3arZyy/Qh1b4X Meo7aFGgywiQw== Date: Tue, 30 May 2023 23:30:55 -0700 From: Jakub Kicinski To: Heiner Kallweit Cc: David Miller , Eric Dumazet , Paolo Abeni , "netdev@vger.kernel.org" Subject: Re: [PATCH net-next] net: don't set sw irq coalescing defaults in case of PREEMPT_RT Message-ID: <20230530233055.44e18e3a@kernel.org> In-Reply-To: References: 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 Sun, 28 May 2023 19:39:59 +0200 Heiner Kallweit wrote: > If PREEMPT_RT is set, then assume that the user focuses on minimum > latency. Therefore don't set sw irq coalescing defaults. > This affects the defaults only, users can override these settings > via sysfs. Did someone complain? I don't have an opinion, but I'm curious what prompted the patch.