From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 4D11F327C00 for ; Thu, 28 May 2026 19:12:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779995532; cv=none; b=ZojZWNv8KvjpsKFCmgzYpRQjGb6Yc+IIqIY75l8OZowLnt1om5d9VtVoWht2ZBanoQh0ECjyLhtdzTe3mYl2aWVUdw8jhc5wqZKbbQTV0SJPpdtdab4gN3m0KvQjyIIuypWnYp5G5/LL7CNaQuHs20PqVlHBEo7m+sKn83qMXqw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779995532; c=relaxed/simple; bh=PXKn2fj8MiB6ZRn+FpH6vI5y0lb+a4h1PKvU9QBWPSE=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=R2sj8/B78S/mABff0f6IdqLGWsW2Py3ThsLjUAB2xoh/VFznH+qk/Jn1Zyy38iOrU9owYfW6EHDXiWrOHRNZmr11LbRqyxHYXMloLAakHZGOWNDsVGxjvBy5OSZpvcsqurxZj1UcFCL2v2ePIp3yVp0bqIh6POSKx3dYgqnPMWI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JQRMEHIp; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JQRMEHIp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4F161F000E9; Thu, 28 May 2026 19:12:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779995531; bh=VlcLyxzqqQ611AZcuYt9h0jVgmDu431mMCnzpC64ho4=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=JQRMEHIpWgY8LfCau6zfRNgCi+wUCzLyRJrMW+YYFhgf10HMZFRBNcJTSXqLXLN1s eK4Y8eIrVF2rmN6FKBltc5i6OR1zXIsgG+kPD0X1IS8A757XiXr+X1Kp1Q1FJUmKHS nkrm7q7Kl6HDfjERPXbgRqi2XL3MWDPaCp77kSBV082Vs9+FAYSe2R4IUXeRpcIaoD RVvtJPnY7UcLIFujw/O1Xh4wOTjaSkXch+WxfEjpXre8E85RZP70cS8uWIF+FKMTyc bzKoe87bxpn1mR6iLMkfvA8MebJqqVLF1jITsb+wRT5YRgZUegYTImbrZendqmCCrB TZjNkL9darvLw== Date: Thu, 28 May 2026 12:12:10 -0700 From: Jakub Kicinski To: Oscar Maes Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com Subject: Re: [PATCH net-next v2 2/2] pcnet32: switch to napi_alloc_skb() and napi_gro_receive() Message-ID: <20260528121210.40b0e493@kernel.org> In-Reply-To: <20260528170510-oscmaes92@gmail.com> References: <20260525125437.4061-1-oscmaes92@gmail.com> <20260525125437.4061-3-oscmaes92@gmail.com> <20260525084528.547fe263@kernel.org> <20260528142851-oscmaes92@gmail.com> <20260528080748.3e74355f@kernel.org> <20260528170510-oscmaes92@gmail.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 Thu, 28 May 2026 19:05:10 +0200 Oscar Maes wrote: > On Thu, May 28, 2026 at 08:07:48AM -0700, Jakub Kicinski wrote: > > On Thu, 28 May 2026 16:28:51 +0200 Oscar Maes wrote: > > > On Mon, May 25, 2026 at 08:45:28AM -0700, Jakub Kicinski wrote: > > > Intel x86 > > > > LOL. Please. Which _hardware_ platform. > > Or to ask more directly - is it QEMU. > > It was indeed tested on QEMU. > Either way, the performance measurements were just a sanity check. > Changing the code to use the modern API is just better. Please don't waste our time with optimizations to unused code.