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 75D4D6AA7 for ; Wed, 2 Jul 2025 01:31:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751419868; cv=none; b=kDF0rpZmWJuJCJQ07sKAnO7w90NE8fQUIMd9tF7NRIxnUp1cVzSDMUwQs9TGnsN7F154ZNZsdY8QI1iI9+IiXPWmTH1HoArkxwuwIpVyWAotuwgDdSFZOhJ61J0bIV8Hd4lPa8lVUMJD1Hh2gElOPGPwTDaHeyGjUwal9g0LdpU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751419868; c=relaxed/simple; bh=haLaXhadvYR6dzWWdauwWEBY2ULNfvN5Sl+PDtsxX0o=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ocu2ZSbiTtGxBMQQ+v5PcpXZ7wx83p9p+nusc1gFjb1L/0lyXQOwbIFXZoaoxXhUXd5nSApXQ4QsyZWFVhQd8vl7XlIXG7NNM/prNAEyl7EHMTOl0QTEbvwwM3NZ/0Hipd0s6r81RUTvCgNgzrk+wNbFllABz4mfJ4qCmS5hwt8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=X9uu6JaR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="X9uu6JaR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3BA8C4CEEB; Wed, 2 Jul 2025 01:31:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751419868; bh=haLaXhadvYR6dzWWdauwWEBY2ULNfvN5Sl+PDtsxX0o=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=X9uu6JaRCme+4yZuP+IH05qaT4baZcuAcYZcZAKG/LhYM2IQ4n/O0I9w1yI2cVLT/ uK1gz3B+Wig0rDOpPKTJOHLU768YHYkJngv+FtGwkh7ubt7nj/XUb0gb5ueEuADY/6 g6K336ToEM2fcS7YwpbJ4YlpcCZorNih7Tc3hqSc3TkobLAv8keVVHEiCb2jD3qCTn fK353H3C68lEA7viRiAVlF11utaaUfv3yE5r+FWr6+keDHwFZAKw2rdGlhesLoviUL 7fe2GZkk9gBnM4QCb+xKuE/0o7l+J4+UAB883YaP4UGkr9FmZV25JJ64ZxHL9wp0jN hWM0aH9pXJ9DQ== Date: Tue, 1 Jul 2025 18:31:07 -0700 From: Jakub Kicinski To: Mingming Cao Cc: netdev@vger.kernel.org, bjking1@linux.ibm.com, haren@linux.ibm.com, ricklind@linux.ibm.com Subject: Re: [PATCH net-next 4/4] ibmvnic: Make max subcrq indirect entries tunable via module param Message-ID: <20250701183107.6f6411c1@kernel.org> In-Reply-To: <20250630234806.10885-5-mmc@linux.ibm.com> References: <20250630234806.10885-1-mmc@linux.ibm.com> <20250630234806.10885-5-mmc@linux.ibm.com> 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 Mon, 30 Jun 2025 16:48:06 -0700 Mingming Cao wrote: > This patch increased the default of max subcrq indirect entries , > and introduces a way to tune the maximum number of indirect > subcrq descriptors via a module parameter. The default now is set to 128, > as supported on P9, allowing for better throughput performance on > large system workloads while maintaining flexibility to fall back > to a smaller maximum limit on P8 or systems with limited memory resources Module parameters are strongly discouraged. Please provide more details about what this parameter does, I supposed it should be mapped to on of the ethtool -g options. -- pw-bot: cr